Merge tag 'drm-intel-next-2019-07-30' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

- More changes on simplifying locking mechanisms (Chris)
- Selftests fixes and improvements (Chris)
- More work around engine tracking for better handling (Chris, Tvrtko)
- HDCP debug and info improvements (Ram, Ashuman)
- Add DSI properties (Vandita)
- Rework on sdvo support for better debuggability before fixing bugs (Ville)
- Display PLLs fixes and improvements, specially targeting Ice Lake (Imre, Matt, Ville)
- Perf fixes and improvements (Lionel)
- Enumerate scratch buffers (Lionel)
- Add infra to hold off preemption on a request (Lionel)
- Ice Lake color space fixes (Uma)
- Type-C fixes and improvements (Lucas)
- Fix and improvements around workarounds (Chris, John, Tvrtko)
- GuC related fixes and improvements (Chris, Daniele, Michal, Tvrtko)
- Fix on VLV/CHV display power domain (Ville)
- Improvements around Watermark (Ville)
- Favor intel_ types on intel_atomic functions (Ville)
- Don’t pass stack garbage to pcode (Ville)
- Improve display tracepoints (Steven)
- Don’t overestimate 4:2:0 link symbol clock (Ville)
- Add support for 4th pipe and transcoder (Lucas)
- Introduce initial support for Tiger Lake platform (Daniele, Lucas, Mahesh, Jose, Imre, Mika, Vandita, Rodrigo, Michel)
- PPGTT allocation simplification (Chris)
- Standardize function names and suffixes to make clean, symmetric and let checkpatch happy (Janusz)
- Skip SINK_COUNT read on CH7511 (Ville)
- Fix on kernel documentation (Chris, Michal)
- Add modular FIA (Anusha, Lucas)
- Fix EHL display (Matt, Vivek)
- Enable hotplug retry (Imre, Jose)
- Disable preemption under GVT (Chris)
- OA; Reconfigure context on the fly (Chris)
- Fixes and improvements around engine reset. (Chris)
- Small clean up on display pipe fault mask (Ville)
- Make sure cdclk is high enough for DP audio on VLV/CHV (Ville)
- Drop some wmb() and improve pwrite flush (Chris)
- Fix critical PSR regression (DK)
- Remove unused variables (YueHaibing)
- Use dev_get_drvdata for simplification (Chunhong)
- Use upstream version of header tests (Jani)

drm-intel-next-2019-07-08:
- Signal fence completion from i915_request_wait (Chris)
- Fixes and improvements around rings pin/unpin (Chris)
- Display uncore prep patches (Daniele)
- Execlists preemption improvements (Chris)
- Selftests fixes and improvements (Chris)
- More Elkhartlake enabling work (Vandita, Jose, Matt, Vivek)
- Defer address space cleanup to an RCU worker (Chris)
- Implicit dev_priv removal and GT compartmentalization and other related follow-ups (Tvrtko, Chris)
- Prevent dereference of engine before NULL check in error capture (Chris)
- GuC related fixes (Daniele, Robert)
- Many changes on active tracking, timelines and locking mechanisms (Chris)
- Disable SAMPLER_STATE prefetching on Gen11 (HW W/a) (Kenneth)
- I915_perf fixes (Lionel)
- Add Ice Lake PCI ID (Mika)
- eDP backlight fix (Lee)
- Fix various gen2 tracepoints (Ville)
- Some irq vfunc clean-up and improvements (Ville)
- Move OA files to separated folder (Michal)
- Display self contained headers clean-up (Jani)
- Preparation for 4th pile (Lucas)
- Move atomic commit, watermark and other places to use more intel_crtc_state (Maarten)
- Many Ice Lake Type C and Thunderbolt fixes (Imre)
- Fix some Ice Lake hw w/a whitelist regs (Lionel)
- Fix memleak in runtime wakeref tracking (Mika)
- Remove unused Private PPAT manager (Michal)
- Don't check PPGTT presence on PPGTT-only platforms (Michal)
- Fix ICL DSI suspend/resume (Chris)
- Fix ICL Bandwidth issues (Ville)
- Add N & CTS values for 10/12 bit deep color (Aditya)
- Moving more GT related stuff under gt folder (Chris)
- Forcewake related fixes (Chris)
- Show support for accurate sw PMU busyness tracking (Chris)
- Handle gtt double alloc failures (Chris)
- Upgrade to new GuC version (Michal)
- Improve w/a debug dumps and pull engine w/a initialization into a common (Chris)
- Look for instdone on all engines at hangcheck (Tvrtko)
- Engine lookup simplification  (Chris)
- Many plane color formats fixes and improvements (Ville)
- Fix some compilation issues (YueHaibing)
- GTT page directory clean up and improvements (Mika)

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190801201314.GA23635@intel.com

39 files changed, 3813 insertions, 1696 deletions

diff --git a/drivers/gpu/drm/i915/display/Makefile b/drivers/gpu/drm/i915/display/Makefile
index 1c75b5c9790c..173c305d7866 100644
--- a/drivers/gpu/drm/i915/display/Makefile
+++ b/drivers/gpu/drm/i915/display/Makefile
@@ -1,2 +1,6 @@
+# For building individual subdir files on the command line
+subdir-ccflags-y += -I$(srctree)/$(src)/..
+
 # Extra header tests
-include $(src)/Makefile.header-test
+header-test-pattern-$(CONFIG_DRM_I915_WERROR) := *.h
+header-test- := intel_vbt_defs.h
diff --git a/drivers/gpu/drm/i915/display/Makefile.header-test b/drivers/gpu/drm/i915/display/Makefile.header-test
deleted file mode 100644
index fc7d4e5bd2c6..000000000000
--- a/drivers/gpu/drm/i915/display/Makefile.header-test
+++ /dev/null
@@ -1,16 +0,0 @@
-# SPDX-License-Identifier: MIT
-# Copyright © 2019 Intel Corporation
-
-# Test the headers are compilable as standalone units
-header_test := $(notdir $(filter-out %/intel_vbt_defs.h,$(wildcard $(src)/*.h)))
-
-quiet_cmd_header_test = HDRTEST $@
-      cmd_header_test = echo "\#include \"$(<F)\"" > $@
-
-header_test_%.c: %.h
-	$(call cmd,header_test)
-
-extra-$(CONFIG_DRM_I915_WERROR) += \
-	$(foreach h,$(header_test),$(patsubst %.h,header_test_%.o,$(h)))
-
-clean-files += $(foreach h,$(header_test),$(patsubst %.h,header_test_%.c,$(h)))
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 74448e6bf749..a42348be0438 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -202,63 +202,62 @@ static void dsi_program_swing_and_deemphasis(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
-	enum port port;
+	enum phy phy;
 	u32 tmp;
 	int lane;
 
-	for_each_dsi_port(port, intel_dsi->ports) {
-
+	for_each_dsi_phy(phy, intel_dsi->phys) {
 		/*
 		 * Program voltage swing and pre-emphasis level values as per
 		 * table in BSPEC under DDI buffer programing
 		 */
-		tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port));
+		tmp = I915_READ(ICL_PORT_TX_DW5_LN0(phy));
 		tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK);
 		tmp |= SCALING_MODE_SEL(0x2);
 		tmp |= TAP2_DISABLE | TAP3_DISABLE;
 		tmp |= RTERM_SELECT(0x6);
-		I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp);
+		I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), tmp);
 
-		tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port));
+		tmp = I915_READ(ICL_PORT_TX_DW5_AUX(phy));
 		tmp &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK);
 		tmp |= SCALING_MODE_SEL(0x2);
 		tmp |= TAP2_DISABLE | TAP3_DISABLE;
 		tmp |= RTERM_SELECT(0x6);
-		I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp);
+		I915_WRITE(ICL_PORT_TX_DW5_AUX(phy), tmp);
 
-		tmp = I915_READ(ICL_PORT_TX_DW2_LN0(port));
+		tmp = I915_READ(ICL_PORT_TX_DW2_LN0(phy));
 		tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
 			 RCOMP_SCALAR_MASK);
 		tmp |= SWING_SEL_UPPER(0x2);
 		tmp |= SWING_SEL_LOWER(0x2);
 		tmp |= RCOMP_SCALAR(0x98);
-		I915_WRITE(ICL_PORT_TX_DW2_GRP(port), tmp);
+		I915_WRITE(ICL_PORT_TX_DW2_GRP(phy), tmp);
 
-		tmp = I915_READ(ICL_PORT_TX_DW2_AUX(port));
+		tmp = I915_READ(ICL_PORT_TX_DW2_AUX(phy));
 		tmp &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
 			 RCOMP_SCALAR_MASK);
 		tmp |= SWING_SEL_UPPER(0x2);
 		tmp |= SWING_SEL_LOWER(0x2);
 		tmp |= RCOMP_SCALAR(0x98);
-		I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp);
+		I915_WRITE(ICL_PORT_TX_DW2_AUX(phy), tmp);
 
-		tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port));
+		tmp = I915_READ(ICL_PORT_TX_DW4_AUX(phy));
 		tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
 			 CURSOR_COEFF_MASK);
 		tmp |= POST_CURSOR_1(0x0);
 		tmp |= POST_CURSOR_2(0x0);
 		tmp |= CURSOR_COEFF(0x3f);
-		I915_WRITE(ICL_PORT_TX_DW4_AUX(port), tmp);
+		I915_WRITE(ICL_PORT_TX_DW4_AUX(phy), tmp);
 
 		for (lane = 0; lane <= 3; lane++) {
 			/* Bspec: must not use GRP register for write */
-			tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, port));
+			tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, phy));
 			tmp &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
 				 CURSOR_COEFF_MASK);
 			tmp |= POST_CURSOR_1(0x0);
 			tmp |= POST_CURSOR_2(0x0);
 			tmp |= CURSOR_COEFF(0x3f);
-			I915_WRITE(ICL_PORT_TX_DW4_LN(lane, port), tmp);
+			I915_WRITE(ICL_PORT_TX_DW4_LN(lane, phy), tmp);
 		}
 	}
 }
@@ -364,10 +363,10 @@ static void gen11_dsi_power_up_lanes(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
-	enum port port;
+	enum phy phy;
 
-	for_each_dsi_port(port, intel_dsi->ports)
-		intel_combo_phy_power_up_lanes(dev_priv, port, true,
+	for_each_dsi_phy(phy, intel_dsi->phys)
+		intel_combo_phy_power_up_lanes(dev_priv, phy, true,
 					       intel_dsi->lane_count, false);
 }
 
@@ -375,34 +374,47 @@ static void gen11_dsi_config_phy_lanes_sequence(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
-	enum port port;
+	enum phy phy;
 	u32 tmp;
 	int lane;
 
 	/* Step 4b(i) set loadgen select for transmit and aux lanes */
-	for_each_dsi_port(port, intel_dsi->ports) {
-		tmp = I915_READ(ICL_PORT_TX_DW4_AUX(port));
+	for_each_dsi_phy(phy, intel_dsi->phys) {
+		tmp = I915_READ(ICL_PORT_TX_DW4_AUX(phy));
 		tmp &= ~LOADGEN_SELECT;
-		I915_WRITE(ICL_PORT_TX_DW4_AUX(port), tmp);
+		I915_WRITE(ICL_PORT_TX_DW4_AUX(phy), tmp);
 		for (lane = 0; lane <= 3; lane++) {
-			tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, port));
+			tmp = I915_READ(ICL_PORT_TX_DW4_LN(lane, phy));
 			tmp &= ~LOADGEN_SELECT;
 			if (lane != 2)
 				tmp |= LOADGEN_SELECT;
-			I915_WRITE(ICL_PORT_TX_DW4_LN(lane, port), tmp);
+			I915_WRITE(ICL_PORT_TX_DW4_LN(lane, phy), tmp);
 		}
 	}
 
 	/* Step 4b(ii) set latency optimization for transmit and aux lanes */
-	for_each_dsi_port(port, intel_dsi->ports) {
-		tmp = I915_READ(ICL_PORT_TX_DW2_AUX(port));
+	for_each_dsi_phy(phy, intel_dsi->phys) {
+		tmp = I915_READ(ICL_PORT_TX_DW2_AUX(phy));
 		tmp &= ~FRC_LATENCY_OPTIM_MASK;
 		tmp |= FRC_LATENCY_OPTIM_VAL(0x5);
-		I915_WRITE(ICL_PORT_TX_DW2_AUX(port), tmp);
-		tmp = I915_READ(ICL_PORT_TX_DW2_LN0(port));
+		I915_WRITE(ICL_PORT_TX_DW2_AUX(phy), tmp);
+		tmp = I915_READ(ICL_PORT_TX_DW2_LN0(phy));
 		tmp &= ~FRC_LATENCY_OPTIM_MASK;
 		tmp |= FRC_LATENCY_OPTIM_VAL(0x5);
-		I915_WRITE(ICL_PORT_TX_DW2_GRP(port), tmp);
+		I915_WRITE(ICL_PORT_TX_DW2_GRP(phy), tmp);
+
+		/* For EHL set latency optimization for PCS_DW1 lanes */
+		if (IS_ELKHARTLAKE(dev_priv)) {
+			tmp = I915_READ(ICL_PORT_PCS_DW1_AUX(phy));
+			tmp &= ~LATENCY_OPTIM_MASK;
+			tmp |= LATENCY_OPTIM_VAL(0);
+			I915_WRITE(ICL_PORT_PCS_DW1_AUX(phy), tmp);
+
+			tmp = I915_READ(ICL_PORT_PCS_DW1_LN0(phy));
+			tmp &= ~LATENCY_OPTIM_MASK;
+			tmp |= LATENCY_OPTIM_VAL(0x1);
+			I915_WRITE(ICL_PORT_PCS_DW1_GRP(phy), tmp);
+		}
 	}
 
 }
@@ -412,16 +424,16 @@ static void gen11_dsi_voltage_swing_program_seq(struct intel_encoder *encoder)
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
 	u32 tmp;
-	enum port port;
+	enum phy phy;
 
 	/* clear common keeper enable bit */
-	for_each_dsi_port(port, intel_dsi->ports) {
-		tmp = I915_READ(ICL_PORT_PCS_DW1_LN0(port));
+	for_each_dsi_phy(phy, intel_dsi->phys) {
+		tmp = I915_READ(ICL_PORT_PCS_DW1_LN0(phy));
 		tmp &= ~COMMON_KEEPER_EN;
-		I915_WRITE(ICL_PORT_PCS_DW1_GRP(port), tmp);
-		tmp = I915_READ(ICL_PORT_PCS_DW1_AUX(port));
+		I915_WRITE(ICL_PORT_PCS_DW1_GRP(phy), tmp);
+		tmp = I915_READ(ICL_PORT_PCS_DW1_AUX(phy));
 		tmp &= ~COMMON_KEEPER_EN;
-		I915_WRITE(ICL_PORT_PCS_DW1_AUX(port), tmp);
+		I915_WRITE(ICL_PORT_PCS_DW1_AUX(phy), tmp);
 	}
 
 	/*
@@ -429,33 +441,33 @@ static void gen11_dsi_voltage_swing_program_seq(struct intel_encoder *encoder)
 	 * Note: loadgen select program is done
 	 * as part of lane phy sequence configuration
 	 */
-	for_each_dsi_port(port, intel_dsi->ports) {
-		tmp = I915_READ(ICL_PORT_CL_DW5(port));
+	for_each_dsi_phy(phy, intel_dsi->phys) {
+		tmp = I915_READ(ICL_PORT_CL_DW5(phy));
 		tmp |= SUS_CLOCK_CONFIG;
-		I915_WRITE(ICL_PORT_CL_DW5(port), tmp);
+		I915_WRITE(ICL_PORT_CL_DW5(phy), tmp);
 	}
 
 	/* Clear training enable to change swing values */
-	for_each_dsi_port(port, intel_dsi->ports) {
-		tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port));
+	for_each_dsi_phy(phy, intel_dsi->phys) {
+		tmp = I915_READ(ICL_PORT_TX_DW5_LN0(phy));
 		tmp &= ~TX_TRAINING_EN;
-		I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp);
-		tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port));
+		I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), tmp);
+		tmp = I915_READ(ICL_PORT_TX_DW5_AUX(phy));
 		tmp &= ~TX_TRAINING_EN;
-		I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp);
+		I915_WRITE(ICL_PORT_TX_DW5_AUX(phy), tmp);
 	}
 
 	/* Program swing and de-emphasis */
 	dsi_program_swing_and_deemphasis(encoder);
 
 	/* Set training enable to trigger update */
-	for_each_dsi_port(port, intel_dsi->ports) {
-		tmp = I915_READ(ICL_PORT_TX_DW5_LN0(port));
+	for_each_dsi_phy(phy, intel_dsi->phys) {
+		tmp = I915_READ(ICL_PORT_TX_DW5_LN0(phy));
 		tmp |= TX_TRAINING_EN;
-		I915_WRITE(ICL_PORT_TX_DW5_GRP(port), tmp);
-		tmp = I915_READ(ICL_PORT_TX_DW5_AUX(port));
+		I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), tmp);
+		tmp = I915_READ(ICL_PORT_TX_DW5_AUX(phy));
 		tmp |= TX_TRAINING_EN;
-		I915_WRITE(ICL_PORT_TX_DW5_AUX(port), tmp);
+		I915_WRITE(ICL_PORT_TX_DW5_AUX(phy), tmp);
 	}
 }
 
@@ -484,6 +496,7 @@ static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder)
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
 	u32 tmp;
 	enum port port;
+	enum phy phy;
 
 	/* Program T-INIT master registers */
 	for_each_dsi_port(port, intel_dsi->ports) {
@@ -531,6 +544,14 @@ static void gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder)
 			I915_WRITE(DSI_TA_TIMING_PARAM(port), tmp);
 		}
 	}
+
+	if (IS_ELKHARTLAKE(dev_priv)) {
+		for_each_dsi_phy(phy, intel_dsi->phys) {
+			tmp = I915_READ(ICL_DPHY_CHKN(phy));
+			tmp |= ICL_DPHY_CHKN_AFE_OVER_PPI_STRAP;
+			I915_WRITE(ICL_DPHY_CHKN(phy), tmp);
+		}
+	}
 }
 
 static void gen11_dsi_gate_clocks(struct intel_encoder *encoder)
@@ -538,15 +559,14 @@ static void gen11_dsi_gate_clocks(struct intel_encoder *encoder)
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
 	u32 tmp;
-	enum port port;
+	enum phy phy;
 
 	mutex_lock(&dev_priv->dpll_lock);
-	tmp = I915_READ(DPCLKA_CFGCR0_ICL);
-	for_each_dsi_port(port, intel_dsi->ports) {
-		tmp |= DPCLKA_CFGCR0_DDI_CLK_OFF(port);
-	}
+	tmp = I915_READ(ICL_DPCLKA_CFGCR0);
+	for_each_dsi_phy(phy, intel_dsi->phys)
+		tmp |= ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy);
 
-	I915_WRITE(DPCLKA_CFGCR0_ICL, tmp);
+	I915_WRITE(ICL_DPCLKA_CFGCR0, tmp);
 	mutex_unlock(&dev_priv->dpll_lock);
 }
 
@@ -555,15 +575,14 @@ static void gen11_dsi_ungate_clocks(struct intel_encoder *encoder)
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
 	u32 tmp;
-	enum port port;
+	enum phy phy;
 
 	mutex_lock(&dev_priv->dpll_lock);
-	tmp = I915_READ(DPCLKA_CFGCR0_ICL);
-	for_each_dsi_port(port, intel_dsi->ports) {
-		tmp &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port);
-	}
+	tmp = I915_READ(ICL_DPCLKA_CFGCR0);
+	for_each_dsi_phy(phy, intel_dsi->phys)
+		tmp &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy);
 
-	I915_WRITE(DPCLKA_CFGCR0_ICL, tmp);
+	I915_WRITE(ICL_DPCLKA_CFGCR0, tmp);
 	mutex_unlock(&dev_priv->dpll_lock);
 }
 
@@ -573,24 +592,24 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder,
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
 	struct intel_shared_dpll *pll = crtc_state->shared_dpll;
-	enum port port;
+	enum phy phy;
 	u32 val;
 
 	mutex_lock(&dev_priv->dpll_lock);
 
-	val = I915_READ(DPCLKA_CFGCR0_ICL);
-	for_each_dsi_port(port, intel_dsi->ports) {
-		val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port);
-		val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port);
+	val = I915_READ(ICL_DPCLKA_CFGCR0);
+	for_each_dsi_phy(phy, intel_dsi->phys) {
+		val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy);
+		val |= ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy);
 	}
-	I915_WRITE(DPCLKA_CFGCR0_ICL, val);
+	I915_WRITE(ICL_DPCLKA_CFGCR0, val);
 
-	for_each_dsi_port(port, intel_dsi->ports) {
-		val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port);
+	for_each_dsi_phy(phy, intel_dsi->phys) {
+		val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy);
 	}
-	I915_WRITE(DPCLKA_CFGCR0_ICL, val);
+	I915_WRITE(ICL_DPCLKA_CFGCR0, val);
 
-	POSTING_READ(DPCLKA_CFGCR0_ICL);
+	POSTING_READ(ICL_DPCLKA_CFGCR0);
 
 	mutex_unlock(&dev_priv->dpll_lock);
 }
@@ -744,7 +763,7 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder,
 	enum transcoder dsi_trans;
 	/* horizontal timings */
 	u16 htotal, hactive, hsync_start, hsync_end, hsync_size;
-	u16 hfront_porch, hback_porch;
+	u16 hback_porch;
 	/* vertical timings */
 	u16 vtotal, vactive, vsync_start, vsync_end, vsync_shift;
 
@@ -753,8 +772,6 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder,
 	hsync_start = adjusted_mode->crtc_hsync_start;
 	hsync_end = adjusted_mode->crtc_hsync_end;
 	hsync_size  = hsync_end - hsync_start;
-	hfront_porch = (adjusted_mode->crtc_hsync_start -
-			adjusted_mode->crtc_hdisplay);
 	hback_porch = (adjusted_mode->crtc_htotal -
 		       adjusted_mode->crtc_hsync_end);
 	vactive = adjusted_mode->crtc_vdisplay;
@@ -1487,6 +1504,26 @@ static void icl_dphy_param_init(struct intel_dsi *intel_dsi)
 	intel_dsi_log_params(intel_dsi);
 }
 
+static void icl_dsi_add_properties(struct intel_connector *connector)
+{
+	u32 allowed_scalers;
+
+	allowed_scalers = BIT(DRM_MODE_SCALE_ASPECT) |
+			   BIT(DRM_MODE_SCALE_FULLSCREEN) |
+			   BIT(DRM_MODE_SCALE_CENTER);
+
+	drm_connector_attach_scaling_mode_property(&connector->base,
+						   allowed_scalers);
+
+	connector->base.state->scaling_mode = DRM_MODE_SCALE_ASPECT;
+
+	connector->base.display_info.panel_orientation =
+			intel_dsi_get_panel_orientation(connector);
+	drm_connector_init_panel_orientation_property(&connector->base,
+				connector->panel.fixed_mode->hdisplay,
+				connector->panel.fixed_mode->vdisplay);
+}
+
 void icl_dsi_init(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *dev = &dev_priv->drm;
@@ -1580,6 +1617,8 @@ void icl_dsi_init(struct drm_i915_private *dev_priv)
 	}
 
 	icl_dphy_param_init(intel_dsi);
+
+	icl_dsi_add_properties(intel_connector);
 	return;
 
 err:
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.c b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
index 30bd4e76fff9..ab411d5e093c 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.c
@@ -176,33 +176,49 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_
 	new_crtc_state->data_rate[plane->id] =
 		intel_plane_data_rate(new_crtc_state, new_plane_state);
 
-	return intel_plane_atomic_calc_changes(old_crtc_state,
-					       &new_crtc_state->base,
-					       old_plane_state,
-					       &new_plane_state->base);
+	return intel_plane_atomic_calc_changes(old_crtc_state, new_crtc_state,
+					       old_plane_state, new_plane_state);
 }
 
-static int intel_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *new_plane_state)
+static struct intel_crtc *
+get_crtc_from_states(const struct intel_plane_state *old_plane_state,
+		     const struct intel_plane_state *new_plane_state)
 {
-	struct drm_atomic_state *state = new_plane_state->state;
-	const struct drm_plane_state *old_plane_state =
-		drm_atomic_get_old_plane_state(state, plane);
-	struct drm_crtc *crtc = new_plane_state->crtc ?: old_plane_state->crtc;
-	const struct drm_crtc_state *old_crtc_state;
-	struct drm_crtc_state *new_crtc_state;
-
-	new_plane_state->visible = false;
+	if (new_plane_state->base.crtc)
+		return to_intel_crtc(new_plane_state->base.crtc);
+
+	if (old_plane_state->base.crtc)
+		return to_intel_crtc(old_plane_state->base.crtc);
+
+	return NULL;
+}
+
+static int intel_plane_atomic_check(struct drm_plane *_plane,
+				    struct drm_plane_state *_new_plane_state)
+{
+	struct intel_plane *plane = to_intel_plane(_plane);
+	struct intel_atomic_state *state =
+		to_intel_atomic_state(_new_plane_state->state);
+	struct intel_plane_state *new_plane_state =
+		to_intel_plane_state(_new_plane_state);
+	const struct intel_plane_state *old_plane_state =
+		intel_atomic_get_old_plane_state(state, plane);
+	struct intel_crtc *crtc =
+		get_crtc_from_states(old_plane_state, new_plane_state);
+	const struct intel_crtc_state *old_crtc_state;
+	struct intel_crtc_state *new_crtc_state;
+
+	new_plane_state->base.visible = false;
 	if (!crtc)
 		return 0;
 
-	old_crtc_state = drm_atomic_get_old_crtc_state(state, crtc);
-	new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+	old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc);
+	new_crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
 
-	return intel_plane_atomic_check_with_state(to_intel_crtc_state(old_crtc_state),
-						   to_intel_crtc_state(new_crtc_state),
-						   to_intel_plane_state(old_plane_state),
-						   to_intel_plane_state(new_plane_state));
+	return intel_plane_atomic_check_with_state(old_crtc_state,
+						   new_crtc_state,
+						   old_plane_state,
+						   new_plane_state);
 }
 
 static struct intel_plane *
diff --git a/drivers/gpu/drm/i915/display/intel_atomic_plane.h b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
index 1437a8797e10..cb7ef4f9eafd 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic_plane.h
+++ b/drivers/gpu/drm/i915/display/intel_atomic_plane.h
@@ -8,7 +8,6 @@
 
 #include <linux/types.h>
 
-struct drm_crtc_state;
 struct drm_plane;
 struct drm_property;
 struct intel_atomic_state;
@@ -43,8 +42,8 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_
 					const struct intel_plane_state *old_plane_state,
 					struct intel_plane_state *intel_state);
 int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_state,
-				    struct drm_crtc_state *crtc_state,
+				    struct intel_crtc_state *crtc_state,
 				    const struct intel_plane_state *old_plane_state,
-				    struct drm_plane_state *plane_state);
+				    struct intel_plane_state *plane_state);
 
 #endif /* __INTEL_ATOMIC_PLANE_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
index 840daff12246..c8fd35a7ca42 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -72,6 +72,13 @@ struct dp_aud_n_m {
 	u16 n;
 };
 
+struct hdmi_aud_ncts {
+	int sample_rate;
+	int clock;
+	int n;
+	int cts;
+};
+
 /* Values according to DP 1.4 Table 2-104 */
 static const struct dp_aud_n_m dp_aud_n_m[] = {
 	{ 32000, LC_162M, 1024, 10125 },
@@ -148,12 +155,7 @@ static const struct {
 #define TMDS_594M 594000
 #define TMDS_593M 593407
 
-static const struct {
-	int sample_rate;
-	int clock;
-	int n;
-	int cts;
-} hdmi_aud_ncts[] = {
+static const struct hdmi_aud_ncts hdmi_aud_ncts_24bpp[] = {
 	{ 32000, TMDS_296M, 5824, 421875 },
 	{ 32000, TMDS_297M, 3072, 222750 },
 	{ 32000, TMDS_593M, 5824, 843750 },
@@ -184,6 +186,49 @@ static const struct {
 	{ 192000, TMDS_594M, 24576, 594000 },
 };
 
+/* Appendix C - N & CTS values for deep color from HDMI 2.0 spec*/
+/* HDMI N/CTS table for 10 bit deep color(30 bpp)*/
+#define TMDS_371M 371250
+#define TMDS_370M 370878
+
+static const struct hdmi_aud_ncts hdmi_aud_ncts_30bpp[] = {
+	{ 32000, TMDS_370M, 5824, 527344 },
+	{ 32000, TMDS_371M, 6144, 556875 },
+	{ 44100, TMDS_370M, 8918, 585938 },
+	{ 44100, TMDS_371M, 4704, 309375 },
+	{ 88200, TMDS_370M, 17836, 585938 },
+	{ 88200, TMDS_371M, 9408, 309375 },
+	{ 176400, TMDS_370M, 35672, 585938 },
+	{ 176400, TMDS_371M, 18816, 309375 },
+	{ 48000, TMDS_370M, 11648, 703125 },
+	{ 48000, TMDS_371M, 5120, 309375 },
+	{ 96000, TMDS_370M, 23296, 703125 },
+	{ 96000, TMDS_371M, 10240, 309375 },
+	{ 192000, TMDS_370M, 46592, 703125 },
+	{ 192000, TMDS_371M, 20480, 309375 },
+};
+
+/* HDMI N/CTS table for 12 bit deep color(36 bpp)*/
+#define TMDS_445_5M 445500
+#define TMDS_445M 445054
+
+static const struct hdmi_aud_ncts hdmi_aud_ncts_36bpp[] = {
+	{ 32000, TMDS_445M, 5824, 632813 },
+	{ 32000, TMDS_445_5M, 4096, 445500 },
+	{ 44100, TMDS_445M, 8918, 703125 },
+	{ 44100, TMDS_445_5M, 4704, 371250 },
+	{ 88200, TMDS_445M, 17836, 703125 },
+	{ 88200, TMDS_445_5M, 9408, 371250 },
+	{ 176400, TMDS_445M, 35672, 703125 },
+	{ 176400, TMDS_445_5M, 18816, 371250 },
+	{ 48000, TMDS_445M, 5824, 421875 },
+	{ 48000, TMDS_445_5M, 5120, 371250 },
+	{ 96000, TMDS_445M, 11648, 421875 },
+	{ 96000, TMDS_445_5M, 10240, 371250 },
+	{ 192000, TMDS_445M, 23296, 421875 },
+	{ 192000, TMDS_445_5M, 20480, 371250 },
+};
+
 /* get AUD_CONFIG_PIXEL_CLOCK_HDMI_* value for mode */
 static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_state)
 {
@@ -212,14 +257,24 @@ static u32 audio_config_hdmi_pixel_clock(const struct intel_crtc_state *crtc_sta
 static int audio_config_hdmi_get_n(const struct intel_crtc_state *crtc_state,
 				   int rate)
 {
-	const struct drm_display_mode *adjusted_mode =
-		&crtc_state->base.adjusted_mode;
-	int i;
+	const struct hdmi_aud_ncts *hdmi_ncts_table;
+	int i, size;
+
+	if (crtc_state->pipe_bpp == 36) {
+		hdmi_ncts_table = hdmi_aud_ncts_36bpp;
+		size = ARRAY_SIZE(hdmi_aud_ncts_36bpp);
+	} else if (crtc_state->pipe_bpp == 30) {
+		hdmi_ncts_table = hdmi_aud_ncts_30bpp;
+		size = ARRAY_SIZE(hdmi_aud_ncts_30bpp);
+	} else {
+		hdmi_ncts_table = hdmi_aud_ncts_24bpp;
+		size = ARRAY_SIZE(hdmi_aud_ncts_24bpp);
+	}
 
-	for (i = 0; i < ARRAY_SIZE(hdmi_aud_ncts); i++) {
-		if (rate == hdmi_aud_ncts[i].sample_rate &&
-		    adjusted_mode->crtc_clock == hdmi_aud_ncts[i].clock) {
-			return hdmi_aud_ncts[i].n;
+	for (i = 0; i < size; i++) {
+		if (rate == hdmi_ncts_table[i].sample_rate &&
+		    crtc_state->port_clock == hdmi_ncts_table[i].clock) {
+			return hdmi_ncts_table[i].n;
 		}
 	}
 	return 0;
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 3ef4e9f573cf..b416b394b641 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -28,6 +28,7 @@
 #include <drm/drm_dp_helper.h>
 #include <drm/i915_drm.h>
 
+#include "display/intel_display.h"
 #include "display/intel_gmbus.h"
 
 #include "i915_drv.h"
@@ -1354,12 +1355,27 @@ static const u8 mcc_ddc_pin_map[] = {
 	[MCC_DDC_BUS_DDI_C] = GMBUS_PIN_9_TC1_ICP,
 };
 
+static const u8 tgp_ddc_pin_map[] = {
+	[ICL_DDC_BUS_DDI_A] = GMBUS_PIN_1_BXT,
+	[ICL_DDC_BUS_DDI_B] = GMBUS_PIN_2_BXT,
+	[TGL_DDC_BUS_DDI_C] = GMBUS_PIN_3_BXT,
+	[ICL_DDC_BUS_PORT_1] = GMBUS_PIN_9_TC1_ICP,
+	[ICL_DDC_BUS_PORT_2] = GMBUS_PIN_10_TC2_ICP,
+	[ICL_DDC_BUS_PORT_3] = GMBUS_PIN_11_TC3_ICP,
+	[ICL_DDC_BUS_PORT_4] = GMBUS_PIN_12_TC4_ICP,
+	[TGL_DDC_BUS_PORT_5] = GMBUS_PIN_13_TC5_TGP,
+	[TGL_DDC_BUS_PORT_6] = GMBUS_PIN_14_TC6_TGP,
+};
+
 static u8 map_ddc_pin(struct drm_i915_private *dev_priv, u8 vbt_pin)
 {
 	const u8 *ddc_pin_map;
 	int n_entries;
 
-	if (HAS_PCH_MCC(dev_priv)) {
+	if (HAS_PCH_TGP(dev_priv)) {
+		ddc_pin_map = tgp_ddc_pin_map;
+		n_entries = ARRAY_SIZE(tgp_ddc_pin_map);
+	} else if (HAS_PCH_MCC(dev_priv)) {
 		ddc_pin_map = mcc_ddc_pin_map;
 		n_entries = ARRAY_SIZE(mcc_ddc_pin_map);
 	} else if (HAS_PCH_ICP(dev_priv)) {
@@ -1668,6 +1684,9 @@ parse_general_definitions(struct drm_i915_private *dev_priv,
 		if (!child->device_type)
 			continue;
 
+		DRM_DEBUG_KMS("Found VBT child device with type 0x%x\n",
+			      child->device_type);
+
 		/*
 		 * Copy as much as we know (sizeof) and is available
 		 * (child_dev_size) of the child device. Accessing the data must
@@ -1730,12 +1749,13 @@ init_vbt_missing_defaults(struct drm_i915_private *dev_priv)
 	for (port = PORT_A; port < I915_MAX_PORTS; port++) {
 		struct ddi_vbt_port_info *info =
 			&dev_priv->vbt.ddi_port_info[port];
+		enum phy phy = intel_port_to_phy(dev_priv, port);
 
 		/*
 		 * VBT has the TypeC mode (native,TBT/USB) and we don't want
 		 * to detect it.
 		 */
-		if (intel_port_is_tc(dev_priv, port))
+		if (intel_phy_is_tc(dev_priv, phy))
 			continue;
 
 		info->supports_dvi = (port != PORT_A && port != PORT_E);
@@ -1888,10 +1908,10 @@ out:
 }
 
 /**
- * intel_bios_cleanup - Free any resources allocated by intel_bios_init()
+ * intel_bios_driver_remove - Free any resources allocated by intel_bios_init()
  * @dev_priv: i915 device instance
  */
-void intel_bios_cleanup(struct drm_i915_private *dev_priv)
+void intel_bios_driver_remove(struct drm_i915_private *dev_priv)
 {
 	kfree(dev_priv->vbt.child_dev);
 	dev_priv->vbt.child_dev = NULL;
diff --git a/drivers/gpu/drm/i915/display/intel_bios.h b/drivers/gpu/drm/i915/display/intel_bios.h
index 4e42cfaf61a7..4969189e620f 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.h
+++ b/drivers/gpu/drm/i915/display/intel_bios.h
@@ -42,6 +42,7 @@ enum intel_backlight_type {
 	INTEL_BACKLIGHT_DISPLAY_DDI,
 	INTEL_BACKLIGHT_DSI_DCS,
 	INTEL_BACKLIGHT_PANEL_DRIVER_INTERFACE,
+	INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE,
 };
 
 struct edp_power_seq {
@@ -227,7 +228,7 @@ struct mipi_pps_data {
 } __packed;
 
 void intel_bios_init(struct drm_i915_private *dev_priv);
-void intel_bios_cleanup(struct drm_i915_private *dev_priv);
+void intel_bios_driver_remove(struct drm_i915_private *dev_priv);
 bool intel_bios_is_valid_vbt(const void *buf, size_t size);
 bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv);
 bool intel_bios_is_lvds_present(struct drm_i915_private *dev_priv, u8 *i2c_pin);
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index 7b908e10d32e..ee52c5b4643b 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -65,7 +65,7 @@ static int icl_pcode_read_qgv_point_info(struct drm_i915_private *dev_priv,
 					 struct intel_qgv_point *sp,
 					 int point)
 {
-	u32 val = 0, val2;
+	u32 val = 0, val2 = 0;
 	int ret;
 
 	ret = sandybridge_pcode_read(dev_priv,
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 0d19bbd08122..93b0d190c184 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -545,10 +545,10 @@ static void vlv_set_cdclk(struct drm_i915_private *dev_priv,
 	/* There are cases where we can end up here with power domains
 	 * off and a CDCLK frequency other than the minimum, like when
 	 * issuing a modeset without actually changing any display after
-	 * a system suspend.  So grab the PIPE-A domain, which covers
+	 * a system suspend.  So grab the display core domain, which covers
 	 * the HW blocks needed for the following programming.
 	 */
-	wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A);
+	wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_DISPLAY_CORE);
 
 	vlv_iosf_sb_get(dev_priv,
 			BIT(VLV_IOSF_SB_CCK) |
@@ -606,7 +606,7 @@ static void vlv_set_cdclk(struct drm_i915_private *dev_priv,
 
 	vlv_program_pfi_credits(dev_priv);
 
-	intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A, wakeref);
+	intel_display_power_put(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref);
 }
 
 static void chv_set_cdclk(struct drm_i915_private *dev_priv,
@@ -631,10 +631,10 @@ static void chv_set_cdclk(struct drm_i915_private *dev_priv,
 	/* There are cases where we can end up here with power domains
 	 * off and a CDCLK frequency other than the minimum, like when
 	 * issuing a modeset without actually changing any display after
-	 * a system suspend.  So grab the PIPE-A domain, which covers
+	 * a system suspend.  So grab the display core domain, which covers
 	 * the HW blocks needed for the following programming.
 	 */
-	wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A);
+	wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_DISPLAY_CORE);
 
 	vlv_punit_get(dev_priv);
 	val = vlv_punit_read(dev_priv, PUNIT_REG_DSPSSPM);
@@ -653,7 +653,7 @@ static void chv_set_cdclk(struct drm_i915_private *dev_priv,
 
 	vlv_program_pfi_credits(dev_priv);
 
-	intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A, wakeref);
+	intel_display_power_put(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref);
 }
 
 static int bdw_calc_cdclk(int min_cdclk)
@@ -1756,9 +1756,10 @@ sanitize:
 
 static int icl_calc_cdclk(int min_cdclk, unsigned int ref)
 {
-	int ranges_24[] = { 312000, 552000, 648000 };
-	int ranges_19_38[] = { 307200, 556800, 652800 };
-	int *ranges;
+	static const int ranges_24[] = { 180000, 192000, 312000, 552000, 648000 };
+	static const int ranges_19_38[] = { 172800, 192000, 307200, 556800, 652800 };
+	const int *ranges;
+	int len, i;
 
 	switch (ref) {
 	default:
@@ -1766,19 +1767,22 @@ static int icl_calc_cdclk(int min_cdclk, unsigned int ref)
 		/* fall through */
 	case 24000:
 		ranges = ranges_24;
+		len = ARRAY_SIZE(ranges_24);
 		break;
 	case 19200:
 	case 38400:
 		ranges = ranges_19_38;
+		len = ARRAY_SIZE(ranges_19_38);
 		break;
 	}
 
-	if (min_cdclk > ranges[1])
-		return ranges[2];
-	else if (min_cdclk > ranges[0])
-		return ranges[1];
-	else
-		return ranges[0];
+	for (i = 0; i < len; i++) {
+		if (min_cdclk <= ranges[i])
+			return ranges[i];
+	}
+
+	WARN_ON(min_cdclk > ranges[len - 1]);
+	return ranges[len - 1];
 }
 
 static int icl_calc_cdclk_pll_vco(struct drm_i915_private *dev_priv, int cdclk)
@@ -1792,16 +1796,24 @@ static int icl_calc_cdclk_pll_vco(struct drm_i915_private *dev_priv, int cdclk)
 	default:
 		MISSING_CASE(cdclk);
 		/* fall through */
+	case 172800:
 	case 307200:
 	case 556800:
 	case 652800:
 		WARN_ON(dev_priv->cdclk.hw.ref != 19200 &&
 			dev_priv->cdclk.hw.ref != 38400);
 		break;
+	case 180000:
 	case 312000:
 	case 552000:
 	case 648000:
 		WARN_ON(dev_priv->cdclk.hw.ref != 24000);
+		break;
+	case 192000:
+		WARN_ON(dev_priv->cdclk.hw.ref != 19200 &&
+			dev_priv->cdclk.hw.ref != 38400 &&
+			dev_priv->cdclk.hw.ref != 24000);
+		break;
 	}
 
 	ratio = cdclk / (dev_priv->cdclk.hw.ref / 2);
@@ -1854,14 +1866,23 @@ static void icl_set_cdclk(struct drm_i915_private *dev_priv,
 	dev_priv->cdclk.hw.voltage_level = cdclk_state->voltage_level;
 }
 
-static u8 icl_calc_voltage_level(int cdclk)
+static u8 icl_calc_voltage_level(struct drm_i915_private *dev_priv, int cdclk)
 {
-	if (cdclk > 556800)
-		return 2;
-	else if (cdclk > 312000)
-		return 1;
-	else
-		return 0;
+	if (IS_ELKHARTLAKE(dev_priv)) {
+		if (cdclk > 312000)
+			return 2;
+		else if (cdclk > 180000)
+			return 1;
+		else
+			return 0;
+	} else {
+		if (cdclk > 556800)
+			return 2;
+		else if (cdclk > 312000)
+			return 1;
+		else
+			return 0;
+	}
 }
 
 static void icl_get_cdclk(struct drm_i915_private *dev_priv,
@@ -1912,7 +1933,7 @@ out:
 	 * at least what the CDCLK frequency requires.
 	 */
 	cdclk_state->voltage_level =
-		icl_calc_voltage_level(cdclk_state->cdclk);
+		icl_calc_voltage_level(dev_priv, cdclk_state->cdclk);
 }
 
 static void icl_init_cdclk(struct drm_i915_private *dev_priv)
@@ -1947,7 +1968,8 @@ sanitize:
 	sanitized_state.vco = icl_calc_cdclk_pll_vco(dev_priv,
 						     sanitized_state.cdclk);
 	sanitized_state.voltage_level =
-				icl_calc_voltage_level(sanitized_state.cdclk);
+				icl_calc_voltage_level(dev_priv,
+						       sanitized_state.cdclk);
 
 	icl_set_cdclk(dev_priv, &sanitized_state, INVALID_PIPE);
 }
@@ -1958,7 +1980,8 @@ static void icl_uninit_cdclk(struct drm_i915_private *dev_priv)
 
 	cdclk_state.cdclk = cdclk_state.bypass;
 	cdclk_state.vco = 0;
-	cdclk_state.voltage_level = icl_calc_voltage_level(cdclk_state.cdclk);
+	cdclk_state.voltage_level = icl_calc_voltage_level(dev_priv,
+							   cdclk_state.cdclk);
 
 	icl_set_cdclk(dev_priv, &cdclk_state, INVALID_PIPE);
 }
@@ -2560,7 +2583,7 @@ static int icl_modeset_calc_cdclk(struct intel_atomic_state *state)
 	state->cdclk.logical.vco = vco;
 	state->cdclk.logical.cdclk = cdclk;
 	state->cdclk.logical.voltage_level =
-		max(icl_calc_voltage_level(cdclk),
+		max(icl_calc_voltage_level(dev_priv, cdclk),
 		    cnl_compute_min_voltage_level(state));
 
 	if (!state->active_crtcs) {
@@ -2570,7 +2593,7 @@ static int icl_modeset_calc_cdclk(struct intel_atomic_state *state)
 		state->cdclk.actual.vco = vco;
 		state->cdclk.actual.cdclk = cdclk;
 		state->cdclk.actual.voltage_level =
-			icl_calc_voltage_level(cdclk);
+			icl_calc_voltage_level(dev_priv, cdclk);
 	} else {
 		state->cdclk.actual = state->cdclk.logical;
 	}
@@ -2605,7 +2628,12 @@ static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv)
  */
 void intel_update_max_cdclk(struct drm_i915_private *dev_priv)
 {
-	if (INTEL_GEN(dev_priv) >= 11) {
+	if (IS_ELKHARTLAKE(dev_priv)) {
+		if (dev_priv->cdclk.hw.ref == 24000)
+			dev_priv->max_cdclk_freq = 552000;
+		else
+			dev_priv->max_cdclk_freq = 556800;
+	} else if (INTEL_GEN(dev_priv) >= 11) {
 		if (dev_priv->cdclk.hw.ref == 24000)
 			dev_priv->max_cdclk_freq = 648000;
 		else
diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.c b/drivers/gpu/drm/i915/display/intel_combo_phy.c
index 841708da5a56..ac8218a040ab 100644
--- a/drivers/gpu/drm/i915/display/intel_combo_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_combo_phy.c
@@ -6,13 +6,13 @@
 #include "intel_combo_phy.h"
 #include "intel_drv.h"
 
-#define for_each_combo_port(__dev_priv, __port) \
-	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)	\
-		for_each_if(intel_port_is_combophy(__dev_priv, __port))
+#define for_each_combo_phy(__dev_priv, __phy) \
+	for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++)	\
+		for_each_if(intel_phy_is_combo(__dev_priv, __phy))
 
-#define for_each_combo_port_reverse(__dev_priv, __port) \
-	for ((__port) = I915_MAX_PORTS; (__port)-- > PORT_A;) \
-		for_each_if(intel_port_is_combophy(__dev_priv, __port))
+#define for_each_combo_phy_reverse(__dev_priv, __phy) \
+	for ((__phy) = I915_MAX_PHYS; (__phy)-- > PHY_A;) \
+		for_each_if(intel_phy_is_combo(__dev_priv, __phy))
 
 enum {
 	PROCMON_0_85V_DOT_0,
@@ -38,18 +38,17 @@ static const struct cnl_procmon {
 };
 
 /*
- * CNL has just one set of registers, while ICL has two sets: one for port A and
- * the other for port B. The CNL registers are equivalent to the ICL port A
- * registers, that's why we call the ICL macros even though the function has CNL
- * on its name.
+ * CNL has just one set of registers, while gen11 has a set for each combo PHY.
+ * The CNL registers are equivalent to the gen11 PHY A registers, that's why we
+ * call the ICL macros even though the function has CNL on its name.
  */
 static const struct cnl_procmon *
-cnl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum port port)
+cnl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum phy phy)
 {
 	const struct cnl_procmon *procmon;
 	u32 val;
 
-	val = I915_READ(ICL_PORT_COMP_DW3(port));
+	val = I915_READ(ICL_PORT_COMP_DW3(phy));
 	switch (val & (PROCESS_INFO_MASK | VOLTAGE_INFO_MASK)) {
 	default:
 		MISSING_CASE(val);
@@ -75,32 +74,32 @@ cnl_get_procmon_ref_values(struct drm_i915_private *dev_priv, enum port port)
 }
 
 static void cnl_set_procmon_ref_values(struct drm_i915_private *dev_priv,
-				       enum port port)
+				       enum phy phy)
 {
 	const struct cnl_procmon *procmon;
 	u32 val;
 
-	procmon = cnl_get_procmon_ref_values(dev_priv, port);
+	procmon = cnl_get_procmon_ref_values(dev_priv, phy);
 
-	val = I915_READ(ICL_PORT_COMP_DW1(port));
+	val = I915_READ(ICL_PORT_COMP_DW1(phy));
 	val &= ~((0xff << 16) | 0xff);
 	val |= procmon->dw1;
-	I915_WRITE(ICL_PORT_COMP_DW1(port), val);
+	I915_WRITE(ICL_PORT_COMP_DW1(phy), val);
 
-	I915_WRITE(ICL_PORT_COMP_DW9(port), procmon->dw9);
-	I915_WRITE(ICL_PORT_COMP_DW10(port), procmon->dw10);
+	I915_WRITE(ICL_PORT_COMP_DW9(phy), procmon->dw9);
+	I915_WRITE(ICL_PORT_COMP_DW10(phy), procmon->dw10);
 }
 
 static bool check_phy_reg(struct drm_i915_private *dev_priv,
-			  enum port port, i915_reg_t reg, u32 mask,
+			  enum phy phy, i915_reg_t reg, u32 mask,
 			  u32 expected_val)
 {
 	u32 val = I915_READ(reg);
 
 	if ((val & mask) != expected_val) {
-		DRM_DEBUG_DRIVER("Port %c combo PHY reg %08x state mismatch: "
+		DRM_DEBUG_DRIVER("Combo PHY %c reg %08x state mismatch: "
 				 "current %08x mask %08x expected %08x\n",
-				 port_name(port),
+				 phy_name(phy),
 				 reg.reg, val, mask, expected_val);
 		return false;
 	}
@@ -109,18 +108,18 @@ static bool check_phy_reg(struct drm_i915_private *dev_priv,
 }
 
 static bool cnl_verify_procmon_ref_values(struct drm_i915_private *dev_priv,
-					  enum port port)
+					  enum phy phy)
 {
 	const struct cnl_procmon *procmon;
 	bool ret;
 
-	procmon = cnl_get_procmon_ref_values(dev_priv, port);
+	procmon = cnl_get_procmon_ref_values(dev_priv, phy);
 
-	ret = check_phy_reg(dev_priv, port, ICL_PORT_COMP_DW1(port),
+	ret = check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW1(phy),
 			    (0xff << 16) | 0xff, procmon->dw1);
-	ret &= check_phy_reg(dev_priv, port, ICL_PORT_COMP_DW9(port),
+	ret &= check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW9(phy),
 			     -1U, procmon->dw9);
-	ret &= check_phy_reg(dev_priv, port, ICL_PORT_COMP_DW10(port),
+	ret &= check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW10(phy),
 			     -1U, procmon->dw10);
 
 	return ret;
@@ -134,15 +133,15 @@ static bool cnl_combo_phy_enabled(struct drm_i915_private *dev_priv)
 
 static bool cnl_combo_phy_verify_state(struct drm_i915_private *dev_priv)
 {
-	enum port port = PORT_A;
+	enum phy phy = PHY_A;
 	bool ret;
 
 	if (!cnl_combo_phy_enabled(dev_priv))
 		return false;
 
-	ret = cnl_verify_procmon_ref_values(dev_priv, port);
+	ret = cnl_verify_procmon_ref_values(dev_priv, phy);
 
-	ret &= check_phy_reg(dev_priv, port, CNL_PORT_CL1CM_DW5,
+	ret &= check_phy_reg(dev_priv, phy, CNL_PORT_CL1CM_DW5,
 			     CL_POWER_DOWN_ENABLE, CL_POWER_DOWN_ENABLE);
 
 	return ret;
@@ -157,7 +156,7 @@ static void cnl_combo_phys_init(struct drm_i915_private *dev_priv)
 	I915_WRITE(CHICKEN_MISC_2, val);
 
 	/* Dummy PORT_A to get the correct CNL register from the ICL macro */
-	cnl_set_procmon_ref_values(dev_priv, PORT_A);
+	cnl_set_procmon_ref_values(dev_priv, PHY_A);
 
 	val = I915_READ(CNL_PORT_COMP_DW0);
 	val |= COMP_INIT;
@@ -181,35 +180,39 @@ static void cnl_combo_phys_uninit(struct drm_i915_private *dev_priv)
 }
 
 static bool icl_combo_phy_enabled(struct drm_i915_private *dev_priv,
-				  enum port port)
+				  enum phy phy)
 {
-	return !(I915_READ(ICL_PHY_MISC(port)) &
-		 ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN) &&
-		(I915_READ(ICL_PORT_COMP_DW0(port)) & COMP_INIT);
+	/* The PHY C added by EHL has no PHY_MISC register */
+	if (IS_ELKHARTLAKE(dev_priv) && phy == PHY_C)
+		return I915_READ(ICL_PORT_COMP_DW0(phy)) & COMP_INIT;
+	else
+		return !(I915_READ(ICL_PHY_MISC(phy)) &
+			 ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN) &&
+			(I915_READ(ICL_PORT_COMP_DW0(phy)) & COMP_INIT);
 }
 
 static bool icl_combo_phy_verify_state(struct drm_i915_private *dev_priv,
-				       enum port port)
+				       enum phy phy)
 {
 	bool ret;
 
-	if (!icl_combo_phy_enabled(dev_priv, port))
+	if (!icl_combo_phy_enabled(dev_priv, phy))
 		return false;
 
-	ret = cnl_verify_procmon_ref_values(dev_priv, port);
+	ret = cnl_verify_procmon_ref_values(dev_priv, phy);
 
-	if (port == PORT_A)
-		ret &= check_phy_reg(dev_priv, port, ICL_PORT_COMP_DW8(port),
+	if (phy == PHY_A)
+		ret &= check_phy_reg(dev_priv, phy, ICL_PORT_COMP_DW8(phy),
 				     IREFGEN, IREFGEN);
 
-	ret &= check_phy_reg(dev_priv, port, ICL_PORT_CL_DW5(port),
+	ret &= check_phy_reg(dev_priv, phy, ICL_PORT_CL_DW5(phy),
 			     CL_POWER_DOWN_ENABLE, CL_POWER_DOWN_ENABLE);
 
 	return ret;
 }
 
 void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv,
-				    enum port port, bool is_dsi,
+				    enum phy phy, bool is_dsi,
 				    int lane_count, bool lane_reversal)
 {
 	u8 lane_mask;
@@ -254,66 +257,120 @@ void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv,
 		}
 	}
 
-	val = I915_READ(ICL_PORT_CL_DW10(port));
+	val = I915_READ(ICL_PORT_CL_DW10(phy));
 	val &= ~PWR_DOWN_LN_MASK;
 	val |= lane_mask << PWR_DOWN_LN_SHIFT;
-	I915_WRITE(ICL_PORT_CL_DW10(port), val);
+	I915_WRITE(ICL_PORT_CL_DW10(phy), val);
+}
+
+static u32 ehl_combo_phy_a_mux(struct drm_i915_private *i915, u32 val)
+{
+	bool ddi_a_present = i915->vbt.ddi_port_info[PORT_A].child != NULL;
+	bool ddi_d_present = i915->vbt.ddi_port_info[PORT_D].child != NULL;
+	bool dsi_present = intel_bios_is_dsi_present(i915, NULL);
+
+	/*
+	 * VBT's 'dvo port' field for child devices references the DDI, not
+	 * the PHY.  So if combo PHY A is wired up to drive an external
+	 * display, we should see a child device present on PORT_D and
+	 * nothing on PORT_A and no DSI.
+	 */
+	if (ddi_d_present && !ddi_a_present && !dsi_present)
+		return val | ICL_PHY_MISC_MUX_DDID;
+
+	/*
+	 * If we encounter a VBT that claims to have an external display on
+	 * DDI-D _and_ an internal display on DDI-A/DSI leave an error message
+	 * in the log and let the internal display win.
+	 */
+	if (ddi_d_present)
+		DRM_ERROR("VBT claims to have both internal and external displays on PHY A.  Configuring for internal.\n");
+
+	return val & ~ICL_PHY_MISC_MUX_DDID;
 }
 
 static void icl_combo_phys_init(struct drm_i915_private *dev_priv)
 {
-	enum port port;
+	enum phy phy;
 
-	for_each_combo_port(dev_priv, port) {
+	for_each_combo_phy(dev_priv, phy) {
 		u32 val;
 
-		if (icl_combo_phy_verify_state(dev_priv, port)) {
-			DRM_DEBUG_DRIVER("Port %c combo PHY already enabled, won't reprogram it.\n",
-					 port_name(port));
+		if (icl_combo_phy_verify_state(dev_priv, phy)) {
+			DRM_DEBUG_DRIVER("Combo PHY %c already enabled, won't reprogram it.\n",
+					 phy_name(phy));
 			continue;
 		}
 
-		val = I915_READ(ICL_PHY_MISC(port));
+		/*
+		 * Although EHL adds a combo PHY C, there's no PHY_MISC
+		 * register for it and no need to program the
+		 * DE_IO_COMP_PWR_DOWN setting on PHY C.
+		 */
+		if (IS_ELKHARTLAKE(dev_priv) && phy == PHY_C)
+			goto skip_phy_misc;
+
+		/*
+		 * EHL's combo PHY A can be hooked up to either an external
+		 * display (via DDI-D) or an internal display (via DDI-A or
+		 * the DSI DPHY).  This is a motherboard design decision that
+		 * can't be changed on the fly, so initialize the PHY's mux
+		 * based on whether our VBT indicates the presence of any
+		 * "internal" child devices.
+		 */
+		val = I915_READ(ICL_PHY_MISC(phy));
+		if (IS_ELKHARTLAKE(dev_priv) && phy == PHY_A)
+			val = ehl_combo_phy_a_mux(dev_priv, val);
 		val &= ~ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN;
-		I915_WRITE(ICL_PHY_MISC(port), val);
+		I915_WRITE(ICL_PHY_MISC(phy), val);
 
-		cnl_set_procmon_ref_values(dev_priv, port);
+skip_phy_misc:
+		cnl_set_procmon_ref_values(dev_priv, phy);
 
-		if (port == PORT_A) {
-			val = I915_READ(ICL_PORT_COMP_DW8(port));
+		if (phy == PHY_A) {
+			val = I915_READ(ICL_PORT_COMP_DW8(phy));
 			val |= IREFGEN;
-			I915_WRITE(ICL_PORT_COMP_DW8(port), val);
+			I915_WRITE(ICL_PORT_COMP_DW8(phy), val);
 		}
 
-		val = I915_READ(ICL_PORT_COMP_DW0(port));
+		val = I915_READ(ICL_PORT_COMP_DW0(phy));
 		val |= COMP_INIT;
-		I915_WRITE(ICL_PORT_COMP_DW0(port), val);
+		I915_WRITE(ICL_PORT_COMP_DW0(phy), val);
 
-		val = I915_READ(ICL_PORT_CL_DW5(port));
+		val = I915_READ(ICL_PORT_CL_DW5(phy));
 		val |= CL_POWER_DOWN_ENABLE;
-		I915_WRITE(ICL_PORT_CL_DW5(port), val);
+		I915_WRITE(ICL_PORT_CL_DW5(phy), val);
 	}
 }
 
 static void icl_combo_phys_uninit(struct drm_i915_private *dev_priv)
 {
-	enum port port;
+	enum phy phy;
 
-	for_each_combo_port_reverse(dev_priv, port) {
+	for_each_combo_phy_reverse(dev_priv, phy) {
 		u32 val;
 
-		if (port == PORT_A &&
-		    !icl_combo_phy_verify_state(dev_priv, port))
-			DRM_WARN("Port %c combo PHY HW state changed unexpectedly\n",
-				 port_name(port));
+		if (phy == PHY_A &&
+		    !icl_combo_phy_verify_state(dev_priv, phy))
+			DRM_WARN("Combo PHY %c HW state changed unexpectedly\n",
+				 phy_name(phy));
+
+		/*
+		 * Although EHL adds a combo PHY C, there's no PHY_MISC
+		 * register for it and no need to program the
+		 * DE_IO_COMP_PWR_DOWN setting on PHY C.
+		 */
+		if (IS_ELKHARTLAKE(dev_priv) && phy == PHY_C)
+			goto skip_phy_misc;
 
-		val = I915_READ(ICL_PHY_MISC(port));
+		val = I915_READ(ICL_PHY_MISC(phy));
 		val |= ICL_PHY_MISC_DE_IO_COMP_PWR_DOWN;
-		I915_WRITE(ICL_PHY_MISC(port), val);
+		I915_WRITE(ICL_PHY_MISC(phy), val);
 
-		val = I915_READ(ICL_PORT_COMP_DW0(port));
+skip_phy_misc:
+		val = I915_READ(ICL_PORT_COMP_DW0(phy));
 		val &= ~COMP_INIT;
-		I915_WRITE(ICL_PORT_COMP_DW0(port), val);
+		I915_WRITE(ICL_PORT_COMP_DW0(phy), val);
 	}
 }
 
diff --git a/drivers/gpu/drm/i915/display/intel_combo_phy.h b/drivers/gpu/drm/i915/display/intel_combo_phy.h
index e6e195a83b19..660886f86c59 100644
--- a/drivers/gpu/drm/i915/display/intel_combo_phy.h
+++ b/drivers/gpu/drm/i915/display/intel_combo_phy.h
@@ -7,14 +7,14 @@
 #define __INTEL_COMBO_PHY_H__
 
 #include <linux/types.h>
-#include <drm/i915_drm.h>
 
 struct drm_i915_private;
+enum phy;
 
 void intel_combo_phy_init(struct drm_i915_private *dev_priv);
 void intel_combo_phy_uninit(struct drm_i915_private *dev_priv);
 void intel_combo_phy_power_up_lanes(struct drm_i915_private *dev_priv,
-				    enum port port, bool is_dsi,
+				    enum phy phy, bool is_dsi,
 				    int lane_count, bool lane_reversal);
 
 #endif /* __INTEL_COMBO_PHY_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_connector.c b/drivers/gpu/drm/i915/display/intel_connector.c
index 41310f8e5a2a..d0163d86c42a 100644
--- a/drivers/gpu/drm/i915/display/intel_connector.c
+++ b/drivers/gpu/drm/i915/display/intel_connector.c
@@ -118,7 +118,7 @@ int intel_connector_register(struct drm_connector *connector)
 	if (ret)
 		goto err;
 
-	if (i915_inject_load_failure()) {
+	if (i915_inject_probe_failure()) {
 		ret = -EFAULT;
 		goto err_backlight;
 	}
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 7925a176f900..c6f38c7b397d 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -45,6 +45,7 @@
 #include "intel_lspcon.h"
 #include "intel_panel.h"
 #include "intel_psr.h"
+#include "intel_tc.h"
 #include "intel_vdsc.h"
 
 struct ddi_buf_trans {
@@ -846,8 +847,8 @@ cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries)
 }
 
 static const struct cnl_ddi_buf_trans *
-icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, enum port port,
-			int type, int rate, int *n_entries)
+icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate,
+			int *n_entries)
 {
 	if (type == INTEL_OUTPUT_HDMI) {
 		*n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi);
@@ -867,12 +868,13 @@ icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, enum port port,
 static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port port)
 {
 	int n_entries, level, default_entry;
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 
 	level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift;
 
 	if (INTEL_GEN(dev_priv) >= 11) {
-		if (intel_port_is_combophy(dev_priv, port))
-			icl_get_combo_buf_trans(dev_priv, port, INTEL_OUTPUT_HDMI,
+		if (intel_phy_is_combo(dev_priv, phy))
+			icl_get_combo_buf_trans(dev_priv, INTEL_OUTPUT_HDMI,
 						0, &n_entries);
 		else
 			n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations);
@@ -1486,9 +1488,10 @@ static void icl_ddi_clock_get(struct intel_encoder *encoder,
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dpll_hw_state *pll_state = &pipe_config->dpll_hw_state;
 	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 	int link_clock;
 
-	if (intel_port_is_combophy(dev_priv, port)) {
+	if (intel_phy_is_combo(dev_priv, phy)) {
 		link_clock = cnl_calc_wrpll_link(dev_priv, pll_state);
 	} else {
 		enum intel_dpll_id pll_id = intel_get_shared_dpll_id(dev_priv,
@@ -1770,7 +1773,10 @@ void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state)
 
 	/* Enable TRANS_DDI_FUNC_CTL for the pipe to work in HDMI mode */
 	temp = TRANS_DDI_FUNC_ENABLE;
-	temp |= TRANS_DDI_SELECT_PORT(port);
+	if (INTEL_GEN(dev_priv) >= 12)
+		temp |= TGL_TRANS_DDI_SELECT_PORT(port);
+	else
+		temp |= TRANS_DDI_SELECT_PORT(port);
 
 	switch (crtc_state->pipe_bpp) {
 	case 18:
@@ -1850,8 +1856,13 @@ void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state
 	i915_reg_t reg = TRANS_DDI_FUNC_CTL(cpu_transcoder);
 	u32 val = I915_READ(reg);
 
-	val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK | TRANS_DDI_DP_VC_PAYLOAD_ALLOC);
-	val |= TRANS_DDI_PORT_NONE;
+	if (INTEL_GEN(dev_priv) >= 12) {
+		val &= ~(TRANS_DDI_FUNC_ENABLE | TGL_TRANS_DDI_PORT_MASK |
+			 TRANS_DDI_DP_VC_PAYLOAD_ALLOC);
+	} else {
+		val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK |
+			 TRANS_DDI_DP_VC_PAYLOAD_ALLOC);
+	}
 	I915_WRITE(reg, val);
 
 	if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME &&
@@ -2003,10 +2014,19 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder,
 	mst_pipe_mask = 0;
 	for_each_pipe(dev_priv, p) {
 		enum transcoder cpu_transcoder = (enum transcoder)p;
+		unsigned int port_mask, ddi_select;
+
+		if (INTEL_GEN(dev_priv) >= 12) {
+			port_mask = TGL_TRANS_DDI_PORT_MASK;
+			ddi_select = TGL_TRANS_DDI_SELECT_PORT(port);
+		} else {
+			port_mask = TRANS_DDI_PORT_MASK;
+			ddi_select = TRANS_DDI_SELECT_PORT(port);
+		}
 
 		tmp = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
 
-		if ((tmp & TRANS_DDI_PORT_MASK) != TRANS_DDI_SELECT_PORT(port))
+		if ((tmp & port_mask) != ddi_select)
 			continue;
 
 		if ((tmp & TRANS_DDI_MODE_SELECT_MASK) ==
@@ -2085,6 +2105,7 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_digital_port *dig_port;
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 
 	/*
 	 * TODO: Add support for MST encoders. Atm, the following should never
@@ -2102,7 +2123,7 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder,
 	 * ports.
 	 */
 	if (intel_crtc_has_dp_encoder(crtc_state) ||
-	    intel_port_is_tc(dev_priv, encoder->port))
+	    intel_phy_is_tc(dev_priv, phy))
 		intel_display_power_get(dev_priv,
 					intel_ddi_main_link_aux_domain(dig_port));
 
@@ -2122,9 +2143,14 @@ void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state)
 	enum port port = encoder->port;
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 
-	if (cpu_transcoder != TRANSCODER_EDP)
-		I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
-			   TRANS_CLK_SEL_PORT(port));
+	if (cpu_transcoder != TRANSCODER_EDP) {
+		if (INTEL_GEN(dev_priv) >= 12)
+			I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
+				   TGL_TRANS_CLK_SEL_PORT(port));
+		else
+			I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
+				   TRANS_CLK_SEL_PORT(port));
+	}
 }
 
 void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state)
@@ -2132,9 +2158,14 @@ void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state)
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 
-	if (cpu_transcoder != TRANSCODER_EDP)
-		I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
-			   TRANS_CLK_SEL_DISABLED);
+	if (cpu_transcoder != TRANSCODER_EDP) {
+		if (INTEL_GEN(dev_priv) >= 12)
+			I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
+				   TGL_TRANS_CLK_SEL_DISABLED);
+		else
+			I915_WRITE(TRANS_CLK_SEL(cpu_transcoder),
+				   TRANS_CLK_SEL_DISABLED);
+	}
 }
 
 static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv,
@@ -2227,11 +2258,12 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder)
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
 	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 	int n_entries;
 
 	if (INTEL_GEN(dev_priv) >= 11) {
-		if (intel_port_is_combophy(dev_priv, port))
-			icl_get_combo_buf_trans(dev_priv, port, encoder->type,
+		if (intel_phy_is_combo(dev_priv, phy))
+			icl_get_combo_buf_trans(dev_priv, encoder->type,
 						intel_dp->link_rate, &n_entries);
 		else
 			n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations);
@@ -2413,15 +2445,15 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder,
 }
 
 static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv,
-					u32 level, enum port port, int type,
+					u32 level, enum phy phy, int type,
 					int rate)
 {
 	const struct cnl_ddi_buf_trans *ddi_translations = NULL;
 	u32 n_entries, val;
 	int ln;
 
-	ddi_translations = icl_get_combo_buf_trans(dev_priv, port, type,
-						   rate, &n_entries);
+	ddi_translations = icl_get_combo_buf_trans(dev_priv, type, rate,
+						   &n_entries);
 	if (!ddi_translations)
 		return;
 
@@ -2431,41 +2463,41 @@ static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv,
 	}
 
 	/* Set PORT_TX_DW5 */
-	val = I915_READ(ICL_PORT_TX_DW5_LN0(port));
+	val = I915_READ(ICL_PORT_TX_DW5_LN0(phy));
 	val &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK |
 		  TAP2_DISABLE | TAP3_DISABLE);
 	val |= SCALING_MODE_SEL(0x2);
 	val |= RTERM_SELECT(0x6);
 	val |= TAP3_DISABLE;
-	I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val);
+	I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), val);
 
 	/* Program PORT_TX_DW2 */
-	val = I915_READ(ICL_PORT_TX_DW2_LN0(port));
+	val = I915_READ(ICL_PORT_TX_DW2_LN0(phy));
 	val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
 		 RCOMP_SCALAR_MASK);
 	val |= SWING_SEL_UPPER(ddi_translations[level].dw2_swing_sel);
 	val |= SWING_SEL_LOWER(ddi_translations[level].dw2_swing_sel);
 	/* Program Rcomp scalar for every table entry */
 	val |= RCOMP_SCALAR(0x98);
-	I915_WRITE(ICL_PORT_TX_DW2_GRP(port), val);
+	I915_WRITE(ICL_PORT_TX_DW2_GRP(phy), val);
 
 	/* Program PORT_TX_DW4 */
 	/* We cannot write to GRP. It would overwrite individual loadgen. */
 	for (ln = 0; ln <= 3; ln++) {
-		val = I915_READ(ICL_PORT_TX_DW4_LN(ln, port));
+		val = I915_READ(ICL_PORT_TX_DW4_LN(ln, phy));
 		val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
 			 CURSOR_COEFF_MASK);
 		val |= POST_CURSOR_1(ddi_translations[level].dw4_post_cursor_1);
 		val |= POST_CURSOR_2(ddi_translations[level].dw4_post_cursor_2);
 		val |= CURSOR_COEFF(ddi_translations[level].dw4_cursor_coeff);
-		I915_WRITE(ICL_PORT_TX_DW4_LN(ln, port), val);
+		I915_WRITE(ICL_PORT_TX_DW4_LN(ln, phy), val);
 	}
 
 	/* Program PORT_TX_DW7 */
-	val = I915_READ(ICL_PORT_TX_DW7_LN0(port));
+	val = I915_READ(ICL_PORT_TX_DW7_LN0(phy));
 	val &= ~N_SCALAR_MASK;
 	val |= N_SCALAR(ddi_translations[level].dw7_n_scalar);
-	I915_WRITE(ICL_PORT_TX_DW7_GRP(port), val);
+	I915_WRITE(ICL_PORT_TX_DW7_GRP(phy), val);
 }
 
 static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
@@ -2473,7 +2505,7 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 					      enum intel_output_type type)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 	int width = 0;
 	int rate = 0;
 	u32 val;
@@ -2494,12 +2526,12 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 	 * set PORT_PCS_DW1 cmnkeeper_enable to 1b,
 	 * else clear to 0b.
 	 */
-	val = I915_READ(ICL_PORT_PCS_DW1_LN0(port));
+	val = I915_READ(ICL_PORT_PCS_DW1_LN0(phy));
 	if (type == INTEL_OUTPUT_HDMI)
 		val &= ~COMMON_KEEPER_EN;
 	else
 		val |= COMMON_KEEPER_EN;
-	I915_WRITE(ICL_PORT_PCS_DW1_GRP(port), val);
+	I915_WRITE(ICL_PORT_PCS_DW1_GRP(phy), val);
 
 	/* 2. Program loadgen select */
 	/*
@@ -2509,33 +2541,33 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 	 * > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0)
 	 */
 	for (ln = 0; ln <= 3; ln++) {
-		val = I915_READ(ICL_PORT_TX_DW4_LN(ln, port));
+		val = I915_READ(ICL_PORT_TX_DW4_LN(ln, phy));
 		val &= ~LOADGEN_SELECT;
 
 		if ((rate <= 600000 && width == 4 && ln >= 1) ||
 		    (rate <= 600000 && width < 4 && (ln == 1 || ln == 2))) {
 			val |= LOADGEN_SELECT;
 		}
-		I915_WRITE(ICL_PORT_TX_DW4_LN(ln, port), val);
+		I915_WRITE(ICL_PORT_TX_DW4_LN(ln, phy), val);
 	}
 
 	/* 3. Set PORT_CL_DW5 SUS Clock Config to 11b */
-	val = I915_READ(ICL_PORT_CL_DW5(port));
+	val = I915_READ(ICL_PORT_CL_DW5(phy));
 	val |= SUS_CLOCK_CONFIG;
-	I915_WRITE(ICL_PORT_CL_DW5(port), val);
+	I915_WRITE(ICL_PORT_CL_DW5(phy), val);
 
 	/* 4. Clear training enable to change swing values */
-	val = I915_READ(ICL_PORT_TX_DW5_LN0(port));
+	val = I915_READ(ICL_PORT_TX_DW5_LN0(phy));
 	val &= ~TX_TRAINING_EN;
-	I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val);
+	I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), val);
 
 	/* 5. Program swing and de-emphasis */
-	icl_ddi_combo_vswing_program(dev_priv, level, port, type, rate);
+	icl_ddi_combo_vswing_program(dev_priv, level, phy, type, rate);
 
 	/* 6. Set training enable to trigger update */
-	val = I915_READ(ICL_PORT_TX_DW5_LN0(port));
+	val = I915_READ(ICL_PORT_TX_DW5_LN0(phy));
 	val |= TX_TRAINING_EN;
-	I915_WRITE(ICL_PORT_TX_DW5_GRP(port), val);
+	I915_WRITE(ICL_PORT_TX_DW5_GRP(phy), val);
 }
 
 static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
@@ -2663,9 +2695,9 @@ static void icl_ddi_vswing_sequence(struct intel_encoder *encoder,
 				    enum intel_output_type type)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 
-	if (intel_port_is_combophy(dev_priv, port))
+	if (intel_phy_is_combo(dev_priv, phy))
 		icl_combo_phy_ddi_vswing_sequence(encoder, level, type);
 	else
 		icl_mg_phy_ddi_vswing_sequence(encoder, link_clock, level);
@@ -2728,12 +2760,13 @@ u32 ddi_signal_levels(struct intel_dp *intel_dp)
 
 static inline
 u32 icl_dpclka_cfgcr0_clk_off(struct drm_i915_private *dev_priv,
-			      enum port port)
+			      enum phy phy)
 {
-	if (intel_port_is_combophy(dev_priv, port)) {
-		return ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(port);
-	} else if (intel_port_is_tc(dev_priv, port)) {
-		enum tc_port tc_port = intel_port_to_tc(dev_priv, port);
+	if (intel_phy_is_combo(dev_priv, phy)) {
+		return ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy);
+	} else if (intel_phy_is_tc(dev_priv, phy)) {
+		enum tc_port tc_port = intel_port_to_tc(dev_priv,
+							(enum port)phy);
 
 		return ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port);
 	}
@@ -2746,23 +2779,33 @@ static void icl_map_plls_to_ports(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_shared_dpll *pll = crtc_state->shared_dpll;
-	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 	u32 val;
 
 	mutex_lock(&dev_priv->dpll_lock);
 
-	val = I915_READ(DPCLKA_CFGCR0_ICL);
-	WARN_ON((val & icl_dpclka_cfgcr0_clk_off(dev_priv, port)) == 0);
+	val = I915_READ(ICL_DPCLKA_CFGCR0);
+	WARN_ON((val & icl_dpclka_cfgcr0_clk_off(dev_priv, phy)) == 0);
 
-	if (intel_port_is_combophy(dev_priv, port)) {
-		val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port);
-		val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port);
-		I915_WRITE(DPCLKA_CFGCR0_ICL, val);
-		POSTING_READ(DPCLKA_CFGCR0_ICL);
+	if (intel_phy_is_combo(dev_priv, phy)) {
+		/*
+		 * Even though this register references DDIs, note that we
+		 * want to pass the PHY rather than the port (DDI).  For
+		 * ICL, port=phy in all cases so it doesn't matter, but for
+		 * EHL the bspec notes the following:
+		 *
+		 *   "DDID clock tied to DDIA clock, so DPCLKA_CFGCR0 DDIA
+		 *   Clock Select chooses the PLL for both DDIA and DDID and
+		 *   drives port A in all cases."
+		 */
+		val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy);
+		val |= ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy);
+		I915_WRITE(ICL_DPCLKA_CFGCR0, val);
+		POSTING_READ(ICL_DPCLKA_CFGCR0);
 	}
 
-	val &= ~icl_dpclka_cfgcr0_clk_off(dev_priv, port);
-	I915_WRITE(DPCLKA_CFGCR0_ICL, val);
+	val &= ~icl_dpclka_cfgcr0_clk_off(dev_priv, phy);
+	I915_WRITE(ICL_DPCLKA_CFGCR0, val);
 
 	mutex_unlock(&dev_priv->dpll_lock);
 }
@@ -2770,14 +2813,14 @@ static void icl_map_plls_to_ports(struct intel_encoder *encoder,
 static void icl_unmap_plls_to_ports(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 	u32 val;
 
 	mutex_lock(&dev_priv->dpll_lock);
 
-	val = I915_READ(DPCLKA_CFGCR0_ICL);
-	val |= icl_dpclka_cfgcr0_clk_off(dev_priv, port);
-	I915_WRITE(DPCLKA_CFGCR0_ICL, val);
+	val = I915_READ(ICL_DPCLKA_CFGCR0);
+	val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy);
+	I915_WRITE(ICL_DPCLKA_CFGCR0, val);
 
 	mutex_unlock(&dev_priv->dpll_lock);
 }
@@ -2835,11 +2878,13 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder)
 		ddi_clk_needed = false;
 	}
 
-	val = I915_READ(DPCLKA_CFGCR0_ICL);
+	val = I915_READ(ICL_DPCLKA_CFGCR0);
 	for_each_port_masked(port, port_mask) {
+		enum phy phy = intel_port_to_phy(dev_priv, port);
+
 		bool ddi_clk_ungated = !(val &
 					 icl_dpclka_cfgcr0_clk_off(dev_priv,
-								   port));
+								   phy));
 
 		if (ddi_clk_needed == ddi_clk_ungated)
 			continue;
@@ -2851,10 +2896,10 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder)
 		if (WARN_ON(ddi_clk_needed))
 			continue;
 
-		DRM_NOTE("Port %c is disabled/in DSI mode with an ungated DDI clock, gate it\n",
-			 port_name(port));
-		val |= icl_dpclka_cfgcr0_clk_off(dev_priv, port);
-		I915_WRITE(DPCLKA_CFGCR0_ICL, val);
+		DRM_NOTE("PHY %c is disabled/in DSI mode with an ungated DDI clock, gate it\n",
+			 phy_name(port));
+		val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy);
+		I915_WRITE(ICL_DPCLKA_CFGCR0, val);
 	}
 }
 
@@ -2863,6 +2908,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 	u32 val;
 	const struct intel_shared_dpll *pll = crtc_state->shared_dpll;
 
@@ -2872,7 +2918,7 @@ static void intel_ddi_clk_select(struct intel_encoder *encoder,
 	mutex_lock(&dev_priv->dpll_lock);
 
 	if (INTEL_GEN(dev_priv) >= 11) {
-		if (!intel_port_is_combophy(dev_priv, port))
+		if (!intel_phy_is_combo(dev_priv, phy))
 			I915_WRITE(DDI_CLK_SEL(port),
 				   icl_pll_to_ddi_clk_sel(encoder, crtc_state));
 	} else if (IS_CANNONLAKE(dev_priv)) {
@@ -2912,9 +2958,10 @@ static void intel_ddi_clk_disable(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 
 	if (INTEL_GEN(dev_priv) >= 11) {
-		if (!intel_port_is_combophy(dev_priv, port))
+		if (!intel_phy_is_combo(dev_priv, phy))
 			I915_WRITE(DDI_CLK_SEL(port), DDI_CLK_SEL_NONE);
 	} else if (IS_CANNONLAKE(dev_priv)) {
 		I915_WRITE(DPCLKA_CFGCR0, I915_READ(DPCLKA_CFGCR0) |
@@ -2995,25 +3042,22 @@ static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port)
 {
 	struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev);
 	enum port port = intel_dig_port->base.port;
-	enum tc_port tc_port = intel_port_to_tc(dev_priv, port);
-	u32 ln0, ln1, lane_info;
+	u32 ln0, ln1, lane_mask;
 
-	if (tc_port == PORT_TC_NONE || intel_dig_port->tc_type == TC_PORT_TBT)
+	if (intel_dig_port->tc_mode == TC_PORT_TBT_ALT)
 		return;
 
 	ln0 = I915_READ(MG_DP_MODE(0, port));
 	ln1 = I915_READ(MG_DP_MODE(1, port));
 
-	switch (intel_dig_port->tc_type) {
-	case TC_PORT_TYPEC:
+	switch (intel_dig_port->tc_mode) {
+	case TC_PORT_DP_ALT:
 		ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE);
 		ln1 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE);
 
-		lane_info = (I915_READ(PORT_TX_DFLEXDPSP) &
-			     DP_LANE_ASSIGNMENT_MASK(tc_port)) >>
-			    DP_LANE_ASSIGNMENT_SHIFT(tc_port);
+		lane_mask = intel_tc_port_get_lane_mask(intel_dig_port);
 
-		switch (lane_info) {
+		switch (lane_mask) {
 		case 0x1:
 		case 0x4:
 			break;
@@ -3038,7 +3082,7 @@ static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port)
 			       MG_DP_MODE_CFG_DP_X2_MODE;
 			break;
 		default:
-			MISSING_CASE(lane_info);
+			MISSING_CASE(lane_mask);
 		}
 		break;
 
@@ -3048,7 +3092,7 @@ static void icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port)
 		break;
 
 	default:
-		MISSING_CASE(intel_dig_port->tc_type);
+		MISSING_CASE(intel_dig_port->tc_mode);
 		return;
 	}
 
@@ -3110,6 +3154,7 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
 	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
 	bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST);
 	int level = intel_ddi_dp_level(intel_dp);
@@ -3123,7 +3168,10 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
 
 	intel_ddi_clk_select(encoder, crtc_state);
 
-	intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain);
+	if (!intel_phy_is_tc(dev_priv, phy) ||
+	    dig_port->tc_mode != TC_PORT_TBT_ALT)
+		intel_display_power_get(dev_priv,
+					dig_port->ddi_io_power_domain);
 
 	icl_program_mg_dp_mode(dig_port);
 	icl_disable_phy_clock_gating(dig_port);
@@ -3138,11 +3186,11 @@ static void intel_ddi_pre_enable_dp(struct intel_encoder *encoder,
 	else
 		intel_prepare_dp_ddi_buffers(encoder, crtc_state);
 
-	if (intel_port_is_combophy(dev_priv, port)) {
+	if (intel_phy_is_combo(dev_priv, phy)) {
 		bool lane_reversal =
 			dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL;
 
-		intel_combo_phy_power_up_lanes(dev_priv, port, false,
+		intel_combo_phy_power_up_lanes(dev_priv, phy, false,
 					       crtc_state->lane_count,
 					       lane_reversal);
 	}
@@ -3290,6 +3338,7 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder,
 	struct intel_dp *intel_dp = &dig_port->dp;
 	bool is_mst = intel_crtc_has_type(old_crtc_state,
 					  INTEL_OUTPUT_DP_MST);
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 
 	if (!is_mst) {
 		intel_ddi_disable_pipe_clock(old_crtc_state);
@@ -3305,8 +3354,10 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder,
 	intel_edp_panel_vdd_on(intel_dp);
 	intel_edp_panel_off(intel_dp);
 
-	intel_display_power_put_unchecked(dev_priv,
-					  dig_port->ddi_io_power_domain);
+	if (!intel_phy_is_tc(dev_priv, phy) ||
+	    dig_port->tc_mode != TC_PORT_TBT_ALT)
+		intel_display_power_put_unchecked(dev_priv,
+						  dig_port->ddi_io_power_domain);
 
 	intel_ddi_clk_disable(encoder);
 }
@@ -3591,33 +3642,28 @@ static void intel_ddi_update_pipe(struct intel_encoder *encoder,
 		intel_hdcp_disable(to_intel_connector(conn_state->connector));
 }
 
-static void intel_ddi_set_fia_lane_count(struct intel_encoder *encoder,
-					 const struct intel_crtc_state *pipe_config,
-					 enum port port)
+static void
+intel_ddi_update_prepare(struct intel_atomic_state *state,
+			 struct intel_encoder *encoder,
+			 struct intel_crtc *crtc)
 {
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
-	enum tc_port tc_port = intel_port_to_tc(dev_priv, port);
-	u32 val = I915_READ(PORT_TX_DFLEXDPMLE1);
-	bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL;
-
-	val &= ~DFLEXDPMLE1_DPMLETC_MASK(tc_port);
-	switch (pipe_config->lane_count) {
-	case 1:
-		val |= (lane_reversal) ? DFLEXDPMLE1_DPMLETC_ML3(tc_port) :
-		DFLEXDPMLE1_DPMLETC_ML0(tc_port);
-		break;
-	case 2:
-		val |= (lane_reversal) ? DFLEXDPMLE1_DPMLETC_ML3_2(tc_port) :
-		DFLEXDPMLE1_DPMLETC_ML1_0(tc_port);
-		break;
-	case 4:
-		val |= DFLEXDPMLE1_DPMLETC_ML3_0(tc_port);
-		break;
-	default:
-		MISSING_CASE(pipe_config->lane_count);
-	}
-	I915_WRITE(PORT_TX_DFLEXDPMLE1, val);
+	struct intel_crtc_state *crtc_state =
+		crtc ? intel_atomic_get_new_crtc_state(state, crtc) : NULL;
+	int required_lanes = crtc_state ? crtc_state->lane_count : 1;
+
+	WARN_ON(crtc && crtc->active);
+
+	intel_tc_port_get_link(enc_to_dig_port(&encoder->base), required_lanes);
+	if (crtc_state && crtc_state->base.active)
+		intel_update_active_dpll(state, crtc, encoder);
+}
+
+static void
+intel_ddi_update_complete(struct intel_atomic_state *state,
+			  struct intel_encoder *encoder,
+			  struct intel_crtc *crtc)
+{
+	intel_tc_port_put_link(enc_to_dig_port(&encoder->base));
 }
 
 static void
@@ -3627,26 +3673,25 @@ intel_ddi_pre_pll_enable(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
-	enum port port = encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
+	bool is_tc_port = intel_phy_is_tc(dev_priv, phy);
 
-	if (intel_crtc_has_dp_encoder(crtc_state) ||
-	    intel_port_is_tc(dev_priv, encoder->port))
+	if (is_tc_port)
+		intel_tc_port_get_link(dig_port, crtc_state->lane_count);
+
+	if (intel_crtc_has_dp_encoder(crtc_state) || is_tc_port)
 		intel_display_power_get(dev_priv,
 					intel_ddi_main_link_aux_domain(dig_port));
 
-	if (IS_GEN9_LP(dev_priv))
+	if (is_tc_port && dig_port->tc_mode != TC_PORT_TBT_ALT)
+		/*
+		 * Program the lane count for static/dynamic connections on
+		 * Type-C ports.  Skip this step for TBT.
+		 */
+		intel_tc_port_set_fia_lane_count(dig_port, crtc_state->lane_count);
+	else if (IS_GEN9_LP(dev_priv))
 		bxt_ddi_phy_set_lane_optim_mask(encoder,
 						crtc_state->lane_lat_optim_mask);
-
-	/*
-	 * Program the lane count for static/dynamic connections on Type-C ports.
-	 * Skip this step for TBT.
-	 */
-	if (dig_port->tc_type == TC_PORT_UNKNOWN ||
-	    dig_port->tc_type == TC_PORT_TBT)
-		return;
-
-	intel_ddi_set_fia_lane_count(encoder, crtc_state, port);
 }
 
 static void
@@ -3656,11 +3701,15 @@ intel_ddi_post_pll_disable(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
+	bool is_tc_port = intel_phy_is_tc(dev_priv, phy);
 
-	if (intel_crtc_has_dp_encoder(crtc_state) ||
-	    intel_port_is_tc(dev_priv, encoder->port))
+	if (intel_crtc_has_dp_encoder(crtc_state) || is_tc_port)
 		intel_display_power_put_unchecked(dev_priv,
 						  intel_ddi_main_link_aux_domain(dig_port));
+
+	if (is_tc_port)
+		intel_tc_port_put_link(dig_port);
 }
 
 static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp)
@@ -3737,7 +3786,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->base.crtc);
 	enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
-	struct intel_digital_port *intel_dig_port;
 	u32 temp, flags = 0;
 
 	/* XXX: DSI transcoder paranoia */
@@ -3776,7 +3824,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 	switch (temp & TRANS_DDI_MODE_SELECT_MASK) {
 	case TRANS_DDI_MODE_SELECT_HDMI:
 		pipe_config->has_hdmi_sink = true;
-		intel_dig_port = enc_to_dig_port(&encoder->base);
 
 		pipe_config->infoframes.enable |=
 			intel_hdmi_infoframes_enabled(encoder, pipe_config);
@@ -3914,49 +3961,18 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder,
 	return 0;
 }
 
-static void intel_ddi_encoder_suspend(struct intel_encoder *encoder)
-{
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
-	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
-
-	intel_dp_encoder_suspend(encoder);
-
-	/*
-	 * TODO: disconnect also from USB DP alternate mode once we have a
-	 * way to handle the modeset restore in that mode during resume
-	 * even if the sink has disappeared while being suspended.
-	 */
-	if (dig_port->tc_legacy_port)
-		icl_tc_phy_disconnect(i915, dig_port);
-}
-
-static void intel_ddi_encoder_reset(struct drm_encoder *drm_encoder)
-{
-	struct intel_digital_port *dig_port = enc_to_dig_port(drm_encoder);
-	struct drm_i915_private *i915 = to_i915(drm_encoder->dev);
-
-	if (intel_port_is_tc(i915, dig_port->base.port))
-		intel_digital_port_connected(&dig_port->base);
-
-	intel_dp_encoder_reset(drm_encoder);
-}
-
 static void intel_ddi_encoder_destroy(struct drm_encoder *encoder)
 {
 	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
-	struct drm_i915_private *i915 = to_i915(encoder->dev);
 
 	intel_dp_encoder_flush_work(encoder);
 
-	if (intel_port_is_tc(i915, dig_port->base.port))
-		icl_tc_phy_disconnect(i915, dig_port);
-
 	drm_encoder_cleanup(encoder);
 	kfree(dig_port);
 }
 
 static const struct drm_encoder_funcs intel_ddi_funcs = {
-	.reset = intel_ddi_encoder_reset,
+	.reset = intel_dp_encoder_reset,
 	.destroy = intel_ddi_encoder_destroy,
 };
 
@@ -4081,14 +4097,17 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder,
 	return modeset_pipe(&crtc->base, ctx);
 }
 
-static bool intel_ddi_hotplug(struct intel_encoder *encoder,
-			      struct intel_connector *connector)
+static enum intel_hotplug_state
+intel_ddi_hotplug(struct intel_encoder *encoder,
+		  struct intel_connector *connector,
+		  bool irq_received)
 {
+	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
 	struct drm_modeset_acquire_ctx ctx;
-	bool changed;
+	enum intel_hotplug_state state;
 	int ret;
 
-	changed = intel_encoder_hotplug(encoder, connector);
+	state = intel_encoder_hotplug(encoder, connector, irq_received);
 
 	drm_modeset_acquire_init(&ctx, 0);
 
@@ -4110,7 +4129,27 @@ static bool intel_ddi_hotplug(struct intel_encoder *encoder,
 	drm_modeset_acquire_fini(&ctx);
 	WARN(ret, "Acquiring modeset locks failed with %i\n", ret);
 
-	return changed;
+	/*
+	 * Unpowered type-c dongles can take some time to boot and be
+	 * responsible, so here giving some time to those dongles to power up
+	 * and then retrying the probe.
+	 *
+	 * On many platforms the HDMI live state signal is known to be
+	 * unreliable, so we can't use it to detect if a sink is connected or
+	 * not. Instead we detect if it's connected based on whether we can
+	 * read the EDID or not. That in turn has a problem during disconnect,
+	 * since the HPD interrupt may be raised before the DDC lines get
+	 * disconnected (due to how the required length of DDC vs. HPD
+	 * connector pins are specified) and so we'll still be able to get a
+	 * valid EDID. To solve this schedule another detection cycle if this
+	 * time around we didn't detect any change in the sink's connection
+	 * status.
+	 */
+	if (state == INTEL_HOTPLUG_UNCHANGED && irq_received &&
+	    !dig_port->dp.is_mst)
+		state = INTEL_HOTPLUG_RETRY;
+
+	return state;
 }
 
 static struct intel_connector *
@@ -4198,6 +4237,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 	struct drm_encoder *encoder;
 	bool init_hdmi, init_dp, init_lspcon = false;
 	enum pipe pipe;
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 
 	init_hdmi = port_info->supports_dvi || port_info->supports_hdmi;
 	init_dp = port_info->supports_dp;
@@ -4242,7 +4282,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 	intel_encoder->update_pipe = intel_ddi_update_pipe;
 	intel_encoder->get_hw_state = intel_ddi_get_hw_state;
 	intel_encoder->get_config = intel_ddi_get_config;
-	intel_encoder->suspend = intel_ddi_encoder_suspend;
+	intel_encoder->suspend = intel_dp_encoder_suspend;
 	intel_encoder->get_power_domains = intel_ddi_get_power_domains;
 	intel_encoder->type = INTEL_OUTPUT_DDI;
 	intel_encoder->power_domain = intel_port_to_power_domain(port);
@@ -4261,9 +4301,15 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 	intel_dig_port->max_lanes = intel_ddi_max_lanes(intel_dig_port);
 	intel_dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port);
 
-	intel_dig_port->tc_legacy_port = intel_port_is_tc(dev_priv, port) &&
-					 !port_info->supports_typec_usb &&
-					 !port_info->supports_tbt;
+	if (intel_phy_is_tc(dev_priv, phy)) {
+		bool is_legacy = !port_info->supports_typec_usb &&
+				 !port_info->supports_tbt;
+
+		intel_tc_port_init(intel_dig_port, is_legacy);
+
+		intel_encoder->update_prepare = intel_ddi_update_prepare;
+		intel_encoder->update_complete = intel_ddi_update_complete;
+	}
 
 	switch (port) {
 	case PORT_A:
@@ -4290,6 +4336,18 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 		intel_dig_port->ddi_io_power_domain =
 			POWER_DOMAIN_PORT_DDI_F_IO;
 		break;
+	case PORT_G:
+		intel_dig_port->ddi_io_power_domain =
+			POWER_DOMAIN_PORT_DDI_G_IO;
+		break;
+	case PORT_H:
+		intel_dig_port->ddi_io_power_domain =
+			POWER_DOMAIN_PORT_DDI_H_IO;
+		break;
+	case PORT_I:
+		intel_dig_port->ddi_io_power_domain =
+			POWER_DOMAIN_PORT_DDI_I_IO;
+		break;
 	default:
 		MISSING_CASE(port);
 	}
@@ -4324,9 +4382,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 
 	intel_infoframe_init(intel_dig_port);
 
-	if (intel_port_is_tc(dev_priv, port))
-		intel_digital_port_connected(intel_encoder);
-
 	return;
 
 err:
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 592b92782fab..9e4ee29fd0fc 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -78,6 +78,7 @@
 #include "intel_quirks.h"
 #include "intel_sideband.h"
 #include "intel_sprite.h"
+#include "intel_tc.h"
 
 /* Primary plane formats for gen <= 3 */
 static const u32 i8xx_primary_formats[] = {
@@ -515,9 +516,9 @@ icl_wa_scalerclkgating(struct drm_i915_private *dev_priv, enum pipe pipe,
 }
 
 static bool
-needs_modeset(const struct drm_crtc_state *state)
+needs_modeset(const struct intel_crtc_state *state)
 {
-	return drm_atomic_crtc_needs_modeset(state);
+	return drm_atomic_crtc_needs_modeset(&state->base);
 }
 
 /*
@@ -3715,10 +3716,27 @@ int i9xx_check_plane_surface(struct intel_plane_state *plane_state)
 	return 0;
 }
 
+static bool i9xx_plane_has_windowing(struct intel_plane *plane)
+{
+	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+	enum i9xx_plane_id i9xx_plane = plane->i9xx_plane;
+
+	if (IS_CHERRYVIEW(dev_priv))
+		return i9xx_plane == PLANE_B;
+	else if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
+		return false;
+	else if (IS_GEN(dev_priv, 4))
+		return i9xx_plane == PLANE_C;
+	else
+		return i9xx_plane == PLANE_B ||
+			i9xx_plane == PLANE_C;
+}
+
 static int
 i9xx_plane_check(struct intel_crtc_state *crtc_state,
 		 struct intel_plane_state *plane_state)
 {
+	struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
 	int ret;
 
 	ret = chv_plane_check_rotation(plane_state);
@@ -3729,7 +3747,8 @@ i9xx_plane_check(struct intel_crtc_state *crtc_state,
 						  &crtc_state->base,
 						  DRM_PLANE_HELPER_NO_SCALING,
 						  DRM_PLANE_HELPER_NO_SCALING,
-						  false, true);
+						  i9xx_plane_has_windowing(plane),
+						  true);
 	if (ret)
 		return ret;
 
@@ -3758,6 +3777,10 @@ static void i9xx_update_plane(struct intel_plane *plane,
 	u32 linear_offset;
 	int x = plane_state->color_plane[0].x;
 	int y = plane_state->color_plane[0].y;
+	int crtc_x = plane_state->base.dst.x1;
+	int crtc_y = plane_state->base.dst.y1;
+	int crtc_w = drm_rect_width(&plane_state->base.dst);
+	int crtc_h = drm_rect_height(&plane_state->base.dst);
 	unsigned long irqflags;
 	u32 dspaddr_offset;
 	u32 dspcntr;
@@ -3776,18 +3799,18 @@ static void i9xx_update_plane(struct intel_plane *plane,
 	I915_WRITE_FW(DSPSTRIDE(i9xx_plane), plane_state->color_plane[0].stride);
 
 	if (INTEL_GEN(dev_priv) < 4) {
-		/* pipesrc and dspsize control the size that is scaled from,
-		 * which should always be the user's requested size.
+		/*
+		 * PLANE_A doesn't actually have a full window
+		 * generator but let's assume we still need to
+		 * program whatever is there.
 		 */
-		I915_WRITE_FW(DSPPOS(i9xx_plane), 0);
+		I915_WRITE_FW(DSPPOS(i9xx_plane), (crtc_y << 16) | crtc_x);
 		I915_WRITE_FW(DSPSIZE(i9xx_plane),
-			      ((crtc_state->pipe_src_h - 1) << 16) |
-			      (crtc_state->pipe_src_w - 1));
+			      ((crtc_h - 1) << 16) | (crtc_w - 1));
 	} else if (IS_CHERRYVIEW(dev_priv) && i9xx_plane == PLANE_B) {
-		I915_WRITE_FW(PRIMPOS(i9xx_plane), 0);
+		I915_WRITE_FW(PRIMPOS(i9xx_plane), (crtc_y << 16) | crtc_x);
 		I915_WRITE_FW(PRIMSIZE(i9xx_plane),
-			      ((crtc_state->pipe_src_h - 1) << 16) |
-			      (crtc_state->pipe_src_w - 1));
+			      ((crtc_h - 1) << 16) | (crtc_w - 1));
 		I915_WRITE_FW(PRIMCNSTALPHA(i9xx_plane), 0);
 	}
 
@@ -3950,10 +3973,10 @@ static u32 skl_plane_ctl_format(u32 pixel_format)
 	case DRM_FORMAT_XRGB8888:
 	case DRM_FORMAT_ARGB8888:
 		return PLANE_CTL_FORMAT_XRGB_8888;
+	case DRM_FORMAT_XBGR2101010:
+		return PLANE_CTL_FORMAT_XRGB_2101010 | PLANE_CTL_ORDER_RGBX;
 	case DRM_FORMAT_XRGB2101010:
 		return PLANE_CTL_FORMAT_XRGB_2101010;
-	case DRM_FORMAT_XBGR2101010:
-		return PLANE_CTL_ORDER_RGBX | PLANE_CTL_FORMAT_XRGB_2101010;
 	case DRM_FORMAT_XBGR16161616F:
 	case DRM_FORMAT_ABGR16161616F:
 		return PLANE_CTL_FORMAT_XRGB_16161616F | PLANE_CTL_ORDER_RGBX;
@@ -4248,12 +4271,13 @@ void intel_prepare_reset(struct drm_i915_private *dev_priv)
 		return;
 
 	/* We have a modeset vs reset deadlock, defensively unbreak it. */
-	set_bit(I915_RESET_MODESET, &dev_priv->gpu_error.flags);
-	wake_up_all(&dev_priv->gpu_error.wait_queue);
+	set_bit(I915_RESET_MODESET, &dev_priv->gt.reset.flags);
+	smp_mb__after_atomic();
+	wake_up_bit(&dev_priv->gt.reset.flags, I915_RESET_MODESET);
 
 	if (atomic_read(&dev_priv->gpu_error.pending_fb_pin)) {
 		DRM_DEBUG_KMS("Modeset potentially stuck, unbreaking through wedging\n");
-		i915_gem_set_wedged(dev_priv);
+		intel_gt_set_wedged(&dev_priv->gt);
 	}
 
 	/*
@@ -4299,7 +4323,7 @@ void intel_finish_reset(struct drm_i915_private *dev_priv)
 	int ret;
 
 	/* reset doesn't touch the display */
-	if (!test_bit(I915_RESET_MODESET, &dev_priv->gpu_error.flags))
+	if (!test_bit(I915_RESET_MODESET, &dev_priv->gt.reset.flags))
 		return;
 
 	state = fetch_and_zero(&dev_priv->modeset_restore_state);
@@ -4339,7 +4363,7 @@ unlock:
 	drm_modeset_acquire_fini(ctx);
 	mutex_unlock(&dev->mode_config.mutex);
 
-	clear_bit(I915_RESET_MODESET, &dev_priv->gpu_error.flags);
+	clear_bit_unlock(I915_RESET_MODESET, &dev_priv->gt.reset.flags);
 }
 
 static void icl_set_pipe_chicken(struct intel_crtc *crtc)
@@ -5796,7 +5820,7 @@ static bool hsw_pre_update_disable_ips(const struct intel_crtc_state *old_crtc_s
 	if (!old_crtc_state->ips_enabled)
 		return false;
 
-	if (needs_modeset(&new_crtc_state->base))
+	if (needs_modeset(new_crtc_state))
 		return true;
 
 	/*
@@ -5823,7 +5847,7 @@ static bool hsw_post_update_enable_ips(const struct intel_crtc_state *old_crtc_s
 	if (!new_crtc_state->ips_enabled)
 		return false;
 
-	if (needs_modeset(&new_crtc_state->base))
+	if (needs_modeset(new_crtc_state))
 		return true;
 
 	/*
@@ -5877,13 +5901,13 @@ static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state)
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct drm_atomic_state *old_state = old_crtc_state->base.state;
+	struct drm_atomic_state *state = old_crtc_state->base.state;
 	struct intel_crtc_state *pipe_config =
-		intel_atomic_get_new_crtc_state(to_intel_atomic_state(old_state),
+		intel_atomic_get_new_crtc_state(to_intel_atomic_state(state),
 						crtc);
 	struct drm_plane *primary = crtc->base.primary;
 	struct drm_plane_state *old_primary_state =
-		drm_atomic_get_old_plane_state(old_state, primary);
+		drm_atomic_get_old_plane_state(state, primary);
 
 	intel_frontbuffer_flip(to_i915(crtc->base.dev), pipe_config->fb_bits);
 
@@ -5895,12 +5919,12 @@ static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state)
 
 	if (old_primary_state) {
 		struct drm_plane_state *new_primary_state =
-			drm_atomic_get_new_plane_state(old_state, primary);
+			drm_atomic_get_new_plane_state(state, primary);
 
 		intel_fbc_post_update(crtc);
 
 		if (new_primary_state->visible &&
-		    (needs_modeset(&pipe_config->base) ||
+		    (needs_modeset(pipe_config) ||
 		     !old_primary_state->visible))
 			intel_post_enable_primary(&crtc->base, pipe_config);
 	}
@@ -5920,20 +5944,20 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state,
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct drm_atomic_state *old_state = old_crtc_state->base.state;
+	struct drm_atomic_state *state = old_crtc_state->base.state;
 	struct drm_plane *primary = crtc->base.primary;
 	struct drm_plane_state *old_primary_state =
-		drm_atomic_get_old_plane_state(old_state, primary);
-	bool modeset = needs_modeset(&pipe_config->base);
-	struct intel_atomic_state *old_intel_state =
-		to_intel_atomic_state(old_state);
+		drm_atomic_get_old_plane_state(state, primary);
+	bool modeset = needs_modeset(pipe_config);
+	struct intel_atomic_state *intel_state =
+		to_intel_atomic_state(state);
 
 	if (hsw_pre_update_disable_ips(old_crtc_state, pipe_config))
 		hsw_disable_ips(old_crtc_state);
 
 	if (old_primary_state) {
 		struct intel_plane_state *new_primary_state =
-			intel_atomic_get_new_plane_state(old_intel_state,
+			intel_atomic_get_new_plane_state(intel_state,
 							 to_intel_plane(primary));
 
 		intel_fbc_pre_update(crtc, pipe_config, new_primary_state);
@@ -5984,7 +6008,7 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state,
 	 * If we're doing a modeset, we're done.  No need to do any pre-vblank
 	 * watermark programming here.
 	 */
-	if (needs_modeset(&pipe_config->base))
+	if (needs_modeset(pipe_config))
 		return;
 
 	/*
@@ -6002,7 +6026,7 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state,
 	 * us to.
 	 */
 	if (dev_priv->display.initial_watermarks != NULL)
-		dev_priv->display.initial_watermarks(old_intel_state,
+		dev_priv->display.initial_watermarks(intel_state,
 						     pipe_config);
 	else if (pipe_config->update_wm_pre)
 		intel_update_watermarks(crtc);
@@ -6036,19 +6060,111 @@ static void intel_crtc_disable_planes(struct intel_atomic_state *state,
 	intel_frontbuffer_flip(dev_priv, fb_bits);
 }
 
-static void intel_encoders_pre_pll_enable(struct drm_crtc *crtc,
+/*
+ * intel_connector_primary_encoder - get the primary encoder for a connector
+ * @connector: connector for which to return the encoder
+ *
+ * Returns the primary encoder for a connector. There is a 1:1 mapping from
+ * all connectors to their encoder, except for DP-MST connectors which have
+ * both a virtual and a primary encoder. These DP-MST primary encoders can be
+ * pointed to by as many DP-MST connectors as there are pipes.
+ */
+static struct intel_encoder *
+intel_connector_primary_encoder(struct intel_connector *connector)
+{
+	struct intel_encoder *encoder;
+
+	if (connector->mst_port)
+		return &dp_to_dig_port(connector->mst_port)->base;
+
+	encoder = intel_attached_encoder(&connector->base);
+	WARN_ON(!encoder);
+
+	return encoder;
+}
+
+static bool
+intel_connector_needs_modeset(struct intel_atomic_state *state,
+			      const struct drm_connector_state *old_conn_state,
+			      const struct drm_connector_state *new_conn_state)
+{
+	struct intel_crtc *old_crtc = old_conn_state->crtc ?
+				      to_intel_crtc(old_conn_state->crtc) : NULL;
+	struct intel_crtc *new_crtc = new_conn_state->crtc ?
+				      to_intel_crtc(new_conn_state->crtc) : NULL;
+
+	return new_crtc != old_crtc ||
+	       (new_crtc &&
+		needs_modeset(intel_atomic_get_new_crtc_state(state, new_crtc)));
+}
+
+static void intel_encoders_update_prepare(struct intel_atomic_state *state)
+{
+	struct drm_connector_state *old_conn_state;
+	struct drm_connector_state *new_conn_state;
+	struct drm_connector *conn;
+	int i;
+
+	for_each_oldnew_connector_in_state(&state->base, conn,
+					   old_conn_state, new_conn_state, i) {
+		struct intel_encoder *encoder;
+		struct intel_crtc *crtc;
+
+		if (!intel_connector_needs_modeset(state,
+						   old_conn_state,
+						   new_conn_state))
+			continue;
+
+		encoder = intel_connector_primary_encoder(to_intel_connector(conn));
+		if (!encoder->update_prepare)
+			continue;
+
+		crtc = new_conn_state->crtc ?
+			to_intel_crtc(new_conn_state->crtc) : NULL;
+		encoder->update_prepare(state, encoder, crtc);
+	}
+}
+
+static void intel_encoders_update_complete(struct intel_atomic_state *state)
+{
+	struct drm_connector_state *old_conn_state;
+	struct drm_connector_state *new_conn_state;
+	struct drm_connector *conn;
+	int i;
+
+	for_each_oldnew_connector_in_state(&state->base, conn,
+					   old_conn_state, new_conn_state, i) {
+		struct intel_encoder *encoder;
+		struct intel_crtc *crtc;
+
+		if (!intel_connector_needs_modeset(state,
+						   old_conn_state,
+						   new_conn_state))
+			continue;
+
+		encoder = intel_connector_primary_encoder(to_intel_connector(conn));
+		if (!encoder->update_complete)
+			continue;
+
+		crtc = new_conn_state->crtc ?
+			to_intel_crtc(new_conn_state->crtc) : NULL;
+		encoder->update_complete(state, encoder, crtc);
+	}
+}
+
+static void intel_encoders_pre_pll_enable(struct intel_crtc *crtc,
 					  struct intel_crtc_state *crtc_state,
-					  struct drm_atomic_state *old_state)
+					  struct intel_atomic_state *state)
 {
 	struct drm_connector_state *conn_state;
 	struct drm_connector *conn;
 	int i;
 
-	for_each_new_connector_in_state(old_state, conn, conn_state, i) {
+	for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
 		struct intel_encoder *encoder =
 			to_intel_encoder(conn_state->best_encoder);
 
-		if (conn_state->crtc != crtc)
+		if (conn_state->crtc != &crtc->base)
 			continue;
 
 		if (encoder->pre_pll_enable)
@@ -6056,19 +6172,19 @@ static void intel_encoders_pre_pll_enable(struct drm_crtc *crtc,
 	}
 }
 
-static void intel_encoders_pre_enable(struct drm_crtc *crtc,
+static void intel_encoders_pre_enable(struct intel_crtc *crtc,
 				      struct intel_crtc_state *crtc_state,
-				      struct drm_atomic_state *old_state)
+				      struct intel_atomic_state *state)
 {
 	struct drm_connector_state *conn_state;
 	struct drm_connector *conn;
 	int i;
 
-	for_each_new_connector_in_state(old_state, conn, conn_state, i) {
+	for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
 		struct intel_encoder *encoder =
 			to_intel_encoder(conn_state->best_encoder);
 
-		if (conn_state->crtc != crtc)
+		if (conn_state->crtc != &crtc->base)
 			continue;
 
 		if (encoder->pre_enable)
@@ -6076,19 +6192,19 @@ static void intel_encoders_pre_enable(struct drm_crtc *crtc,
 	}
 }
 
-static void intel_encoders_enable(struct drm_crtc *crtc,
+static void intel_encoders_enable(struct intel_crtc *crtc,
 				  struct intel_crtc_state *crtc_state,
-				  struct drm_atomic_state *old_state)
+				  struct intel_atomic_state *state)
 {
 	struct drm_connector_state *conn_state;
 	struct drm_connector *conn;
 	int i;
 
-	for_each_new_connector_in_state(old_state, conn, conn_state, i) {
+	for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
 		struct intel_encoder *encoder =
 			to_intel_encoder(conn_state->best_encoder);
 
-		if (conn_state->crtc != crtc)
+		if (conn_state->crtc != &crtc->base)
 			continue;
 
 		if (encoder->enable)
@@ -6097,19 +6213,19 @@ static void intel_encoders_enable(struct drm_crtc *crtc,
 	}
 }
 
-static void intel_encoders_disable(struct drm_crtc *crtc,
+static void intel_encoders_disable(struct intel_crtc *crtc,
 				   struct intel_crtc_state *old_crtc_state,
-				   struct drm_atomic_state *old_state)
+				   struct intel_atomic_state *state)
 {
 	struct drm_connector_state *old_conn_state;
 	struct drm_connector *conn;
 	int i;
 
-	for_each_old_connector_in_state(old_state, conn, old_conn_state, i) {
+	for_each_old_connector_in_state(&state->base, conn, old_conn_state, i) {
 		struct intel_encoder *encoder =
 			to_intel_encoder(old_conn_state->best_encoder);
 
-		if (old_conn_state->crtc != crtc)
+		if (old_conn_state->crtc != &crtc->base)
 			continue;
 
 		intel_opregion_notify_encoder(encoder, false);
@@ -6118,19 +6234,19 @@ static void intel_encoders_disable(struct drm_crtc *crtc,
 	}
 }
 
-static void intel_encoders_post_disable(struct drm_crtc *crtc,
+static void intel_encoders_post_disable(struct intel_crtc *crtc,
 					struct intel_crtc_state *old_crtc_state,
-					struct drm_atomic_state *old_state)
+					struct intel_atomic_state *state)
 {
 	struct drm_connector_state *old_conn_state;
 	struct drm_connector *conn;
 	int i;
 
-	for_each_old_connector_in_state(old_state, conn, old_conn_state, i) {
+	for_each_old_connector_in_state(&state->base, conn, old_conn_state, i) {
 		struct intel_encoder *encoder =
 			to_intel_encoder(old_conn_state->best_encoder);
 
-		if (old_conn_state->crtc != crtc)
+		if (old_conn_state->crtc != &crtc->base)
 			continue;
 
 		if (encoder->post_disable)
@@ -6138,19 +6254,19 @@ static void intel_encoders_post_disable(struct drm_crtc *crtc,
 	}
 }
 
-static void intel_encoders_post_pll_disable(struct drm_crtc *crtc,
+static void intel_encoders_post_pll_disable(struct intel_crtc *crtc,
 					    struct intel_crtc_state *old_crtc_state,
-					    struct drm_atomic_state *old_state)
+					    struct intel_atomic_state *state)
 {
 	struct drm_connector_state *old_conn_state;
 	struct drm_connector *conn;
 	int i;
 
-	for_each_old_connector_in_state(old_state, conn, old_conn_state, i) {
+	for_each_old_connector_in_state(&state->base, conn, old_conn_state, i) {
 		struct intel_encoder *encoder =
 			to_intel_encoder(old_conn_state->best_encoder);
 
-		if (old_conn_state->crtc != crtc)
+		if (old_conn_state->crtc != &crtc->base)
 			continue;
 
 		if (encoder->post_pll_disable)
@@ -6158,19 +6274,19 @@ static void intel_encoders_post_pll_disable(struct drm_crtc *crtc,
 	}
 }
 
-static void intel_encoders_update_pipe(struct drm_crtc *crtc,
+static void intel_encoders_update_pipe(struct intel_crtc *crtc,
 				       struct intel_crtc_state *crtc_state,
-				       struct drm_atomic_state *old_state)
+				       struct intel_atomic_state *state)
 {
 	struct drm_connector_state *conn_state;
 	struct drm_connector *conn;
 	int i;
 
-	for_each_new_connector_in_state(old_state, conn, conn_state, i) {
+	for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
 		struct intel_encoder *encoder =
 			to_intel_encoder(conn_state->best_encoder);
 
-		if (conn_state->crtc != crtc)
+		if (conn_state->crtc != &crtc->base)
 			continue;
 
 		if (encoder->update_pipe)
@@ -6187,15 +6303,13 @@ static void intel_disable_primary_plane(const struct intel_crtc_state *crtc_stat
 }
 
 static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config,
-				 struct drm_atomic_state *old_state)
+				 struct intel_atomic_state *state)
 {
 	struct drm_crtc *crtc = pipe_config->base.crtc;
 	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe;
-	struct intel_atomic_state *old_intel_state =
-		to_intel_atomic_state(old_state);
 
 	if (WARN_ON(intel_crtc->active))
 		return;
@@ -6231,7 +6345,7 @@ static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config,
 
 	intel_crtc->active = true;
 
-	intel_encoders_pre_enable(crtc, pipe_config, old_state);
+	intel_encoders_pre_enable(intel_crtc, pipe_config, state);
 
 	if (pipe_config->has_pch_encoder) {
 		/* Note: FDI PLL enabling _must_ be done before we enable the
@@ -6255,16 +6369,16 @@ static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config,
 	intel_disable_primary_plane(pipe_config);
 
 	if (dev_priv->display.initial_watermarks != NULL)
-		dev_priv->display.initial_watermarks(old_intel_state, pipe_config);
+		dev_priv->display.initial_watermarks(state, pipe_config);
 	intel_enable_pipe(pipe_config);
 
 	if (pipe_config->has_pch_encoder)
-		ironlake_pch_enable(old_intel_state, pipe_config);
+		ironlake_pch_enable(state, pipe_config);
 
 	assert_vblank_disabled(crtc);
 	intel_crtc_vblank_on(pipe_config);
 
-	intel_encoders_enable(crtc, pipe_config, old_state);
+	intel_encoders_enable(intel_crtc, pipe_config, state);
 
 	if (HAS_PCH_CPT(dev_priv))
 		cpt_verify_modeset(dev, intel_crtc->pipe);
@@ -6310,33 +6424,37 @@ static void icl_pipe_mbus_enable(struct intel_crtc *crtc)
 	u32 val;
 
 	val = MBUS_DBOX_A_CREDIT(2);
-	val |= MBUS_DBOX_BW_CREDIT(1);
-	val |= MBUS_DBOX_B_CREDIT(8);
+
+	if (INTEL_GEN(dev_priv) >= 12) {
+		val |= MBUS_DBOX_BW_CREDIT(2);
+		val |= MBUS_DBOX_B_CREDIT(12);
+	} else {
+		val |= MBUS_DBOX_BW_CREDIT(1);
+		val |= MBUS_DBOX_B_CREDIT(8);
+	}
 
 	I915_WRITE(PIPE_MBUS_DBOX_CTL(pipe), val);
 }
 
 static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
-				struct drm_atomic_state *old_state)
+				struct intel_atomic_state *state)
 {
 	struct drm_crtc *crtc = pipe_config->base.crtc;
 	struct drm_i915_private *dev_priv = to_i915(crtc->dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe, hsw_workaround_pipe;
 	enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
-	struct intel_atomic_state *old_intel_state =
-		to_intel_atomic_state(old_state);
 	bool psl_clkgate_wa;
 
 	if (WARN_ON(intel_crtc->active))
 		return;
 
-	intel_encoders_pre_pll_enable(crtc, pipe_config, old_state);
+	intel_encoders_pre_pll_enable(intel_crtc, pipe_config, state);
 
 	if (pipe_config->shared_dpll)
 		intel_enable_shared_dpll(pipe_config);
 
-	intel_encoders_pre_enable(crtc, pipe_config, old_state);
+	intel_encoders_pre_enable(intel_crtc, pipe_config, state);
 
 	if (intel_crtc_has_dp_encoder(pipe_config))
 		intel_dp_set_m_n(pipe_config, M1_N1);
@@ -6394,7 +6512,7 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
 		intel_ddi_enable_transcoder_func(pipe_config);
 
 	if (dev_priv->display.initial_watermarks != NULL)
-		dev_priv->display.initial_watermarks(old_intel_state, pipe_config);
+		dev_priv->display.initial_watermarks(state, pipe_config);
 
 	if (INTEL_GEN(dev_priv) >= 11)
 		icl_pipe_mbus_enable(intel_crtc);
@@ -6404,7 +6522,7 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
 		intel_enable_pipe(pipe_config);
 
 	if (pipe_config->has_pch_encoder)
-		lpt_pch_enable(old_intel_state, pipe_config);
+		lpt_pch_enable(state, pipe_config);
 
 	if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_DP_MST))
 		intel_ddi_set_vc_payload_alloc(pipe_config, true);
@@ -6412,7 +6530,7 @@ static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
 	assert_vblank_disabled(crtc);
 	intel_crtc_vblank_on(pipe_config);
 
-	intel_encoders_enable(crtc, pipe_config, old_state);
+	intel_encoders_enable(intel_crtc, pipe_config, state);
 
 	if (psl_clkgate_wa) {
 		intel_wait_for_vblank(dev_priv, pipe);
@@ -6444,7 +6562,7 @@ static void ironlake_pfit_disable(const struct intel_crtc_state *old_crtc_state)
 }
 
 static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state,
-				  struct drm_atomic_state *old_state)
+				  struct intel_atomic_state *state)
 {
 	struct drm_crtc *crtc = old_crtc_state->base.crtc;
 	struct drm_device *dev = crtc->dev;
@@ -6460,7 +6578,7 @@ static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state,
 	intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
 	intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false);
 
-	intel_encoders_disable(crtc, old_crtc_state, old_state);
+	intel_encoders_disable(intel_crtc, old_crtc_state, state);
 
 	drm_crtc_vblank_off(crtc);
 	assert_vblank_disabled(crtc);
@@ -6472,7 +6590,7 @@ static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state,
 	if (old_crtc_state->has_pch_encoder)
 		ironlake_fdi_disable(crtc);
 
-	intel_encoders_post_disable(crtc, old_crtc_state, old_state);
+	intel_encoders_post_disable(intel_crtc, old_crtc_state, state);
 
 	if (old_crtc_state->has_pch_encoder) {
 		ironlake_disable_pch_transcoder(dev_priv, pipe);
@@ -6503,14 +6621,14 @@ static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state,
 }
 
 static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state,
-				 struct drm_atomic_state *old_state)
+				 struct intel_atomic_state *state)
 {
 	struct drm_crtc *crtc = old_crtc_state->base.crtc;
 	struct drm_i915_private *dev_priv = to_i915(crtc->dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder;
 
-	intel_encoders_disable(crtc, old_crtc_state, old_state);
+	intel_encoders_disable(intel_crtc, old_crtc_state, state);
 
 	drm_crtc_vblank_off(crtc);
 	assert_vblank_disabled(crtc);
@@ -6532,9 +6650,9 @@ static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state,
 	else
 		ironlake_pfit_disable(old_crtc_state);
 
-	intel_encoders_post_disable(crtc, old_crtc_state, old_state);
+	intel_encoders_post_disable(intel_crtc, old_crtc_state, state);
 
-	intel_encoders_post_pll_disable(crtc, old_crtc_state, old_state);
+	intel_encoders_post_pll_disable(intel_crtc, old_crtc_state, state);
 }
 
 static void i9xx_pfit_enable(const struct intel_crtc_state *crtc_state)
@@ -6560,33 +6678,47 @@ static void i9xx_pfit_enable(const struct intel_crtc_state *crtc_state)
 	I915_WRITE(BCLRPAT(crtc->pipe), 0);
 }
 
-bool intel_port_is_combophy(struct drm_i915_private *dev_priv, enum port port)
+bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy)
 {
-	if (port == PORT_NONE)
+	if (phy == PHY_NONE)
 		return false;
 
-	if (IS_ELKHARTLAKE(dev_priv))
-		return port <= PORT_C;
+	if (IS_ELKHARTLAKE(dev_priv) || INTEL_GEN(dev_priv) >= 12)
+		return phy <= PHY_C;
 
 	if (INTEL_GEN(dev_priv) >= 11)
-		return port <= PORT_B;
+		return phy <= PHY_B;
 
 	return false;
 }
 
-bool intel_port_is_tc(struct drm_i915_private *dev_priv, enum port port)
+bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy)
 {
+	if (INTEL_GEN(dev_priv) >= 12)
+		return phy >= PHY_D && phy <= PHY_I;
+
 	if (INTEL_GEN(dev_priv) >= 11 && !IS_ELKHARTLAKE(dev_priv))
-		return port >= PORT_C && port <= PORT_F;
+		return phy >= PHY_C && phy <= PHY_F;
 
 	return false;
 }
 
+enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port)
+{
+	if (IS_ELKHARTLAKE(i915) && port == PORT_D)
+		return PHY_A;
+
+	return (enum phy)port;
+}
+
 enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv, enum port port)
 {
-	if (!intel_port_is_tc(dev_priv, port))
+	if (!intel_phy_is_tc(dev_priv, intel_port_to_phy(dev_priv, port)))
 		return PORT_TC_NONE;
 
+	if (INTEL_GEN(dev_priv) >= 12)
+		return port - PORT_D;
+
 	return port - PORT_C;
 }
 
@@ -6614,6 +6746,26 @@ enum intel_display_power_domain intel_port_to_power_domain(enum port port)
 enum intel_display_power_domain
 intel_aux_power_domain(struct intel_digital_port *dig_port)
 {
+	struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
+	enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port);
+
+	if (intel_phy_is_tc(dev_priv, phy) &&
+	    dig_port->tc_mode == TC_PORT_TBT_ALT) {
+		switch (dig_port->aux_ch) {
+		case AUX_CH_C:
+			return POWER_DOMAIN_AUX_TBT1;
+		case AUX_CH_D:
+			return POWER_DOMAIN_AUX_TBT2;
+		case AUX_CH_E:
+			return POWER_DOMAIN_AUX_TBT3;
+		case AUX_CH_F:
+			return POWER_DOMAIN_AUX_TBT4;
+		default:
+			MISSING_CASE(dig_port->aux_ch);
+			return POWER_DOMAIN_AUX_TBT1;
+		}
+	}
+
 	switch (dig_port->aux_ch) {
 	case AUX_CH_A:
 		return POWER_DOMAIN_AUX_A;
@@ -6633,14 +6785,12 @@ intel_aux_power_domain(struct intel_digital_port *dig_port)
 	}
 }
 
-static u64 get_crtc_power_domains(struct drm_crtc *crtc,
-				  struct intel_crtc_state *crtc_state)
+static u64 get_crtc_power_domains(struct intel_crtc_state *crtc_state)
 {
-	struct drm_device *dev = crtc->dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	struct drm_encoder *encoder;
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	enum pipe pipe = intel_crtc->pipe;
+	enum pipe pipe = crtc->pipe;
 	u64 mask;
 	enum transcoder transcoder = crtc_state->cpu_transcoder;
 
@@ -6653,7 +6803,8 @@ static u64 get_crtc_power_domains(struct drm_crtc *crtc,
 	    crtc_state->pch_pfit.force_thru)
 		mask |= BIT_ULL(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe));
 
-	drm_for_each_encoder_mask(encoder, dev, crtc_state->base.encoder_mask) {
+	drm_for_each_encoder_mask(encoder, &dev_priv->drm,
+				  crtc_state->base.encoder_mask) {
 		struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
 
 		mask |= BIT_ULL(intel_encoder->power_domain);
@@ -6669,17 +6820,16 @@ static u64 get_crtc_power_domains(struct drm_crtc *crtc,
 }
 
 static u64
-modeset_get_crtc_power_domains(struct drm_crtc *crtc,
-			       struct intel_crtc_state *crtc_state)
+modeset_get_crtc_power_domains(struct intel_crtc_state *crtc_state)
 {
-	struct drm_i915_private *dev_priv = to_i915(crtc->dev);
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum intel_display_power_domain domain;
 	u64 domains, new_domains, old_domains;
 
-	old_domains = intel_crtc->enabled_power_domains;
-	intel_crtc->enabled_power_domains = new_domains =
-		get_crtc_power_domains(crtc, crtc_state);
+	old_domains = crtc->enabled_power_domains;
+	crtc->enabled_power_domains = new_domains =
+		get_crtc_power_domains(crtc_state);
 
 	domains = new_domains & ~old_domains;
 
@@ -6699,10 +6849,8 @@ static void modeset_put_power_domains(struct drm_i915_private *dev_priv,
 }
 
 static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config,
-				   struct drm_atomic_state *old_state)
+				   struct intel_atomic_state *state)
 {
-	struct intel_atomic_state *old_intel_state =
-		to_intel_atomic_state(old_state);
 	struct drm_crtc *crtc = pipe_config->base.crtc;
 	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -6729,7 +6877,7 @@ static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config,
 
 	intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true);
 
-	intel_encoders_pre_pll_enable(crtc, pipe_config, old_state);
+	intel_encoders_pre_pll_enable(intel_crtc, pipe_config, state);
 
 	if (IS_CHERRYVIEW(dev_priv)) {
 		chv_prepare_pll(intel_crtc, pipe_config);
@@ -6739,7 +6887,7 @@ static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config,
 		vlv_enable_pll(intel_crtc, pipe_config);
 	}
 
-	intel_encoders_pre_enable(crtc, pipe_config, old_state);
+	intel_encoders_pre_enable(intel_crtc, pipe_config, state);
 
 	i9xx_pfit_enable(pipe_config);
 
@@ -6748,14 +6896,13 @@ static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config,
 	/* update DSPCNTR to configure gamma for pipe bottom color */
 	intel_disable_primary_plane(pipe_config);
 
-	dev_priv->display.initial_watermarks(old_intel_state,
-					     pipe_config);
+	dev_priv->display.initial_watermarks(state, pipe_config);
 	intel_enable_pipe(pipe_config);
 
 	assert_vblank_disabled(crtc);
 	intel_crtc_vblank_on(pipe_config);
 
-	intel_encoders_enable(crtc, pipe_config, old_state);
+	intel_encoders_enable(intel_crtc, pipe_config, state);
 }
 
 static void i9xx_set_pll_dividers(const struct intel_crtc_state *crtc_state)
@@ -6768,10 +6915,8 @@ static void i9xx_set_pll_dividers(const struct intel_crtc_state *crtc_state)
 }
 
 static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config,
-			     struct drm_atomic_state *old_state)
+			     struct intel_atomic_state *state)
 {
-	struct intel_atomic_state *old_intel_state =
-		to_intel_atomic_state(old_state);
 	struct drm_crtc *crtc = pipe_config->base.crtc;
 	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -6796,7 +6941,7 @@ static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config,
 	if (!IS_GEN(dev_priv, 2))
 		intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true);
 
-	intel_encoders_pre_enable(crtc, pipe_config, old_state);
+	intel_encoders_pre_enable(intel_crtc, pipe_config, state);
 
 	i9xx_enable_pll(intel_crtc, pipe_config);
 
@@ -6808,7 +6953,7 @@ static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config,
 	intel_disable_primary_plane(pipe_config);
 
 	if (dev_priv->display.initial_watermarks != NULL)
-		dev_priv->display.initial_watermarks(old_intel_state,
+		dev_priv->display.initial_watermarks(state,
 						     pipe_config);
 	else
 		intel_update_watermarks(intel_crtc);
@@ -6817,7 +6962,7 @@ static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config,
 	assert_vblank_disabled(crtc);
 	intel_crtc_vblank_on(pipe_config);
 
-	intel_encoders_enable(crtc, pipe_config, old_state);
+	intel_encoders_enable(intel_crtc, pipe_config, state);
 }
 
 static void i9xx_pfit_disable(const struct intel_crtc_state *old_crtc_state)
@@ -6836,7 +6981,7 @@ static void i9xx_pfit_disable(const struct intel_crtc_state *old_crtc_state)
 }
 
 static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state,
-			      struct drm_atomic_state *old_state)
+			      struct intel_atomic_state *state)
 {
 	struct drm_crtc *crtc = old_crtc_state->base.crtc;
 	struct drm_device *dev = crtc->dev;
@@ -6851,7 +6996,7 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state,
 	if (IS_GEN(dev_priv, 2))
 		intel_wait_for_vblank(dev_priv, pipe);
 
-	intel_encoders_disable(crtc, old_crtc_state, old_state);
+	intel_encoders_disable(intel_crtc, old_crtc_state, state);
 
 	drm_crtc_vblank_off(crtc);
 	assert_vblank_disabled(crtc);
@@ -6860,7 +7005,7 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state,
 
 	i9xx_pfit_disable(old_crtc_state);
 
-	intel_encoders_post_disable(crtc, old_crtc_state, old_state);
+	intel_encoders_post_disable(intel_crtc, old_crtc_state, state);
 
 	if (!intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DSI)) {
 		if (IS_CHERRYVIEW(dev_priv))
@@ -6871,7 +7016,7 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state,
 			i9xx_disable_pll(old_crtc_state);
 	}
 
-	intel_encoders_post_pll_disable(crtc, old_crtc_state, old_state);
+	intel_encoders_post_pll_disable(intel_crtc, old_crtc_state, state);
 
 	if (!IS_GEN(dev_priv, 2))
 		intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
@@ -6925,7 +7070,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc,
 
 	WARN_ON(IS_ERR(crtc_state) || ret);
 
-	dev_priv->display.crtc_disable(crtc_state, state);
+	dev_priv->display.crtc_disable(crtc_state, to_intel_atomic_state(state));
 
 	drm_atomic_state_put(state);
 
@@ -6988,7 +7133,7 @@ void intel_encoder_destroy(struct drm_encoder *encoder)
 
 /* Cross check the actual hw state with our own modeset state tracking (and it's
  * internal consistency). */
-static void intel_connector_verify_state(struct drm_crtc_state *crtc_state,
+static void intel_connector_verify_state(struct intel_crtc_state *crtc_state,
 					 struct drm_connector_state *conn_state)
 {
 	struct intel_connector *connector = to_intel_connector(conn_state->connector);
@@ -7006,7 +7151,7 @@ static void intel_connector_verify_state(struct drm_crtc_state *crtc_state,
 		if (!crtc_state)
 			return;
 
-		I915_STATE_WARN(!crtc_state->active,
+		I915_STATE_WARN(!crtc_state->base.active,
 		      "connector is active, but attached crtc isn't\n");
 
 		if (!encoder || encoder->type == INTEL_OUTPUT_DP_MST)
@@ -7018,7 +7163,7 @@ static void intel_connector_verify_state(struct drm_crtc_state *crtc_state,
 		I915_STATE_WARN(conn_state->crtc != encoder->base.crtc,
 			"attached encoder crtc differs from connector crtc\n");
 	} else {
-		I915_STATE_WARN(crtc_state && crtc_state->active,
+		I915_STATE_WARN(crtc_state && crtc_state->base.active,
 			"attached crtc is active, but connector isn't\n");
 		I915_STATE_WARN(!crtc_state && conn_state->best_encoder,
 			"best encoder set without crtc!\n");
@@ -9484,6 +9629,8 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
 				       struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+	struct intel_atomic_state *state =
+		to_intel_atomic_state(crtc_state->base.state);
 	const struct intel_limit *limit;
 	int refclk = 120000;
 
@@ -9525,7 +9672,7 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
 
 	ironlake_compute_dpll(crtc, crtc_state, NULL);
 
-	if (!intel_get_shared_dpll(crtc_state, NULL)) {
+	if (!intel_reserve_shared_dplls(state, crtc, NULL)) {
 		DRM_DEBUG_KMS("failed to find PLL for pipe %c\n",
 			      pipe_name(crtc->pipe));
 		return -EINVAL;
@@ -9906,7 +10053,7 @@ static int haswell_crtc_compute_clock(struct intel_crtc *crtc,
 		struct intel_encoder *encoder =
 			intel_get_crtc_new_encoder(state, crtc_state);
 
-		if (!intel_get_shared_dpll(crtc_state, encoder)) {
+		if (!intel_reserve_shared_dplls(state, crtc, encoder)) {
 			DRM_DEBUG_KMS("failed to find PLL for pipe %c\n",
 				      pipe_name(crtc->pipe));
 			return -EINVAL;
@@ -9936,22 +10083,37 @@ static void icelake_get_ddi_pll(struct drm_i915_private *dev_priv,
 				enum port port,
 				struct intel_crtc_state *pipe_config)
 {
+	enum phy phy = intel_port_to_phy(dev_priv, port);
+	enum icl_port_dpll_id port_dpll_id;
 	enum intel_dpll_id id;
 	u32 temp;
 
-	/* TODO: TBT pll not implemented. */
-	if (intel_port_is_combophy(dev_priv, port)) {
-		temp = I915_READ(DPCLKA_CFGCR0_ICL) &
-		       DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port);
-		id = temp >> DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(port);
-	} else if (intel_port_is_tc(dev_priv, port)) {
-		id = icl_tc_port_to_pll_id(intel_port_to_tc(dev_priv, port));
+	if (intel_phy_is_combo(dev_priv, phy)) {
+		temp = I915_READ(ICL_DPCLKA_CFGCR0) &
+			ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy);
+		id = temp >> ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy);
+		port_dpll_id = ICL_PORT_DPLL_DEFAULT;
+	} else if (intel_phy_is_tc(dev_priv, phy)) {
+		u32 clk_sel = I915_READ(DDI_CLK_SEL(port)) & DDI_CLK_SEL_MASK;
+
+		if (clk_sel == DDI_CLK_SEL_MG) {
+			id = icl_tc_port_to_pll_id(intel_port_to_tc(dev_priv,
+								    port));
+			port_dpll_id = ICL_PORT_DPLL_MG_PHY;
+		} else {
+			WARN_ON(clk_sel < DDI_CLK_SEL_TBT_162);
+			id = DPLL_ID_ICL_TBTPLL;
+			port_dpll_id = ICL_PORT_DPLL_DEFAULT;
+		}
 	} else {
 		WARN(1, "Invalid port %x\n", port);
 		return;
 	}
 
-	pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id);
+	pipe_config->icl_port_dplls[port_dpll_id].pll =
+		intel_get_shared_dpll_by_id(dev_priv, id);
+
+	icl_set_active_port_dpll(pipe_config, port_dpll_id);
 }
 
 static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv,
@@ -10191,7 +10353,11 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
 
 	tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder));
 
-	port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT;
+	if (INTEL_GEN(dev_priv) >= 12)
+		port = (tmp & TGL_TRANS_DDI_PORT_MASK) >>
+			TGL_TRANS_DDI_PORT_SHIFT;
+	else
+		port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT;
 
 	if (INTEL_GEN(dev_priv) >= 11)
 		icelake_get_ddi_pll(dev_priv, port, pipe_config);
@@ -11297,7 +11463,7 @@ static void intel_crtc_destroy(struct drm_crtc *crtc)
  *
  * Returns true or false.
  */
-static bool intel_wm_need_update(struct intel_plane_state *cur,
+static bool intel_wm_need_update(const struct intel_plane_state *cur,
 				 struct intel_plane_state *new)
 {
 	/* Update watermarks on tiling or size changes. */
@@ -11329,33 +11495,28 @@ static bool needs_scaling(const struct intel_plane_state *state)
 }
 
 int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_state,
-				    struct drm_crtc_state *crtc_state,
+				    struct intel_crtc_state *crtc_state,
 				    const struct intel_plane_state *old_plane_state,
-				    struct drm_plane_state *plane_state)
+				    struct intel_plane_state *plane_state)
 {
-	struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc_state);
-	struct drm_crtc *crtc = crtc_state->crtc;
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	struct intel_plane *plane = to_intel_plane(plane_state->plane);
-	struct drm_device *dev = crtc->dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+	struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	bool mode_changed = needs_modeset(crtc_state);
 	bool was_crtc_enabled = old_crtc_state->base.active;
-	bool is_crtc_enabled = crtc_state->active;
+	bool is_crtc_enabled = crtc_state->base.active;
 	bool turn_off, turn_on, visible, was_visible;
-	struct drm_framebuffer *fb = plane_state->fb;
+	struct drm_framebuffer *fb = plane_state->base.fb;
 	int ret;
 
 	if (INTEL_GEN(dev_priv) >= 9 && plane->id != PLANE_CURSOR) {
-		ret = skl_update_scaler_plane(
-			to_intel_crtc_state(crtc_state),
-			to_intel_plane_state(plane_state));
+		ret = skl_update_scaler_plane(crtc_state, plane_state);
 		if (ret)
 			return ret;
 	}
 
 	was_visible = old_plane_state->base.visible;
-	visible = plane_state->visible;
+	visible = plane_state->base.visible;
 
 	if (!was_crtc_enabled && WARN_ON(was_visible))
 		was_visible = false;
@@ -11371,22 +11532,22 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat
 	 * only combine the results from all planes in the current place?
 	 */
 	if (!is_crtc_enabled) {
-		plane_state->visible = visible = false;
-		to_intel_crtc_state(crtc_state)->active_planes &= ~BIT(plane->id);
-		to_intel_crtc_state(crtc_state)->data_rate[plane->id] = 0;
+		plane_state->base.visible = visible = false;
+		crtc_state->active_planes &= ~BIT(plane->id);
+		crtc_state->data_rate[plane->id] = 0;
 	}
 
 	if (!was_visible && !visible)
 		return 0;
 
 	if (fb != old_plane_state->base.fb)
-		pipe_config->fb_changed = true;
+		crtc_state->fb_changed = true;
 
 	turn_off = was_visible && (!visible || mode_changed);
 	turn_on = visible && (!was_visible || mode_changed);
 
 	DRM_DEBUG_ATOMIC("[CRTC:%d:%s] has [PLANE:%d:%s] with fb %i\n",
-			 intel_crtc->base.base.id, intel_crtc->base.name,
+			 crtc->base.base.id, crtc->base.name,
 			 plane->base.base.id, plane->base.name,
 			 fb ? fb->base.id : -1);
 
@@ -11397,29 +11558,28 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat
 
 	if (turn_on) {
 		if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv))
-			pipe_config->update_wm_pre = true;
+			crtc_state->update_wm_pre = true;
 
 		/* must disable cxsr around plane enable/disable */
 		if (plane->id != PLANE_CURSOR)
-			pipe_config->disable_cxsr = true;
+			crtc_state->disable_cxsr = true;
 	} else if (turn_off) {
 		if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv))
-			pipe_config->update_wm_post = true;
+			crtc_state->update_wm_post = true;
 
 		/* must disable cxsr around plane enable/disable */
 		if (plane->id != PLANE_CURSOR)
-			pipe_config->disable_cxsr = true;
-	} else if (intel_wm_need_update(to_intel_plane_state(plane->base.state),
-					to_intel_plane_state(plane_state))) {
+			crtc_state->disable_cxsr = true;
+	} else if (intel_wm_need_update(old_plane_state, plane_state)) {
 		if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv)) {
 			/* FIXME bollocks */
-			pipe_config->update_wm_pre = true;
-			pipe_config->update_wm_post = true;
+			crtc_state->update_wm_pre = true;
+			crtc_state->update_wm_post = true;
 		}
 	}
 
 	if (visible || was_visible)
-		pipe_config->fb_bits |= plane->frontbuffer_bit;
+		crtc_state->fb_bits |= plane->frontbuffer_bit;
 
 	/*
 	 * ILK/SNB DVSACNTR/Sprite Enable
@@ -11458,8 +11618,8 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat
 	    (IS_GEN_RANGE(dev_priv, 5, 6) ||
 	     IS_IVYBRIDGE(dev_priv)) &&
 	    (turn_on || (!needs_scaling(old_plane_state) &&
-			 needs_scaling(to_intel_plane_state(plane_state)))))
-		pipe_config->disable_lp_wm = true;
+			 needs_scaling(plane_state))))
+		crtc_state->disable_lp_wm = true;
 
 	return 0;
 }
@@ -11608,7 +11768,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
 	struct intel_crtc_state *pipe_config =
 		to_intel_crtc_state(crtc_state);
 	int ret;
-	bool mode_changed = needs_modeset(crtc_state);
+	bool mode_changed = needs_modeset(pipe_config);
 
 	if (INTEL_GEN(dev_priv) < 5 && !IS_G4X(dev_priv) &&
 	    mode_changed && !crtc_state->active)
@@ -12090,6 +12250,8 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
 	saved_state->scaler_state = crtc_state->scaler_state;
 	saved_state->shared_dpll = crtc_state->shared_dpll;
 	saved_state->dpll_hw_state = crtc_state->dpll_hw_state;
+	memcpy(saved_state->icl_port_dplls, crtc_state->icl_port_dplls,
+	       sizeof(saved_state->icl_port_dplls));
 	saved_state->crc_enabled = crtc_state->crc_enabled;
 	if (IS_G4X(dev_priv) ||
 	    IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
@@ -12706,10 +12868,10 @@ static void intel_pipe_config_sanity_check(struct drm_i915_private *dev_priv,
 	}
 }
 
-static void verify_wm_state(struct drm_crtc *crtc,
-			    struct drm_crtc_state *new_state)
+static void verify_wm_state(struct intel_crtc *crtc,
+			    struct intel_crtc_state *new_crtc_state)
 {
-	struct drm_i915_private *dev_priv = to_i915(crtc->dev);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	struct skl_hw_state {
 		struct skl_ddb_entry ddb_y[I915_MAX_PLANES];
 		struct skl_ddb_entry ddb_uv[I915_MAX_PLANES];
@@ -12719,21 +12881,20 @@ static void verify_wm_state(struct drm_crtc *crtc,
 	struct skl_ddb_allocation *sw_ddb;
 	struct skl_pipe_wm *sw_wm;
 	struct skl_ddb_entry *hw_ddb_entry, *sw_ddb_entry;
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	const enum pipe pipe = intel_crtc->pipe;
+	const enum pipe pipe = crtc->pipe;
 	int plane, level, max_level = ilk_wm_max_level(dev_priv);
 
-	if (INTEL_GEN(dev_priv) < 9 || !new_state->active)
+	if (INTEL_GEN(dev_priv) < 9 || !new_crtc_state->base.active)
 		return;
 
 	hw = kzalloc(sizeof(*hw), GFP_KERNEL);
 	if (!hw)
 		return;
 
-	skl_pipe_wm_get_hw_state(intel_crtc, &hw->wm);
-	sw_wm = &to_intel_crtc_state(new_state)->wm.skl.optimal;
+	skl_pipe_wm_get_hw_state(crtc, &hw->wm);
+	sw_wm = &new_crtc_state->wm.skl.optimal;
 
-	skl_pipe_ddb_get_hw_state(intel_crtc, hw->ddb_y, hw->ddb_uv);
+	skl_pipe_ddb_get_hw_state(crtc, hw->ddb_y, hw->ddb_uv);
 
 	skl_ddb_get_hw_state(dev_priv, &hw->ddb);
 	sw_ddb = &dev_priv->wm.skl_hw.ddb;
@@ -12781,7 +12942,7 @@ static void verify_wm_state(struct drm_crtc *crtc,
 
 		/* DDB */
 		hw_ddb_entry = &hw->ddb_y[plane];
-		sw_ddb_entry = &to_intel_crtc_state(new_state)->wm.skl.plane_ddb_y[plane];
+		sw_ddb_entry = &new_crtc_state->wm.skl.plane_ddb_y[plane];
 
 		if (!skl_ddb_entry_equal(hw_ddb_entry, sw_ddb_entry)) {
 			DRM_ERROR("mismatch in DDB state pipe %c plane %d (expected (%u,%u), found (%u,%u))\n",
@@ -12833,7 +12994,7 @@ static void verify_wm_state(struct drm_crtc *crtc,
 
 		/* DDB */
 		hw_ddb_entry = &hw->ddb_y[PLANE_CURSOR];
-		sw_ddb_entry = &to_intel_crtc_state(new_state)->wm.skl.plane_ddb_y[PLANE_CURSOR];
+		sw_ddb_entry = &new_crtc_state->wm.skl.plane_ddb_y[PLANE_CURSOR];
 
 		if (!skl_ddb_entry_equal(hw_ddb_entry, sw_ddb_entry)) {
 			DRM_ERROR("mismatch in DDB state pipe %c cursor (expected (%u,%u), found (%u,%u))\n",
@@ -12847,23 +13008,22 @@ static void verify_wm_state(struct drm_crtc *crtc,
 }
 
 static void
-verify_connector_state(struct drm_device *dev,
-		       struct drm_atomic_state *state,
-		       struct drm_crtc *crtc)
+verify_connector_state(struct intel_atomic_state *state,
+		       struct intel_crtc *crtc)
 {
 	struct drm_connector *connector;
 	struct drm_connector_state *new_conn_state;
 	int i;
 
-	for_each_new_connector_in_state(state, connector, new_conn_state, i) {
+	for_each_new_connector_in_state(&state->base, connector, new_conn_state, i) {
 		struct drm_encoder *encoder = connector->encoder;
-		struct drm_crtc_state *crtc_state = NULL;
+		struct intel_crtc_state *crtc_state = NULL;
 
-		if (new_conn_state->crtc != crtc)
+		if (new_conn_state->crtc != &crtc->base)
 			continue;
 
 		if (crtc)
-			crtc_state = drm_atomic_get_new_crtc_state(state, new_conn_state->crtc);
+			crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
 
 		intel_connector_verify_state(crtc_state, new_conn_state);
 
@@ -12873,14 +13033,14 @@ verify_connector_state(struct drm_device *dev,
 }
 
 static void
-verify_encoder_state(struct drm_device *dev, struct drm_atomic_state *state)
+verify_encoder_state(struct drm_i915_private *dev_priv, struct intel_atomic_state *state)
 {
 	struct intel_encoder *encoder;
 	struct drm_connector *connector;
 	struct drm_connector_state *old_conn_state, *new_conn_state;
 	int i;
 
-	for_each_intel_encoder(dev, encoder) {
+	for_each_intel_encoder(&dev_priv->drm, encoder) {
 		bool enabled = false, found = false;
 		enum pipe pipe;
 
@@ -12888,7 +13048,7 @@ verify_encoder_state(struct drm_device *dev, struct drm_atomic_state *state)
 			      encoder->base.base.id,
 			      encoder->base.name);
 
-		for_each_oldnew_connector_in_state(state, connector, old_conn_state,
+		for_each_oldnew_connector_in_state(&state->base, connector, old_conn_state,
 						   new_conn_state, i) {
 			if (old_conn_state->best_encoder == &encoder->base)
 				found = true;
@@ -12922,50 +13082,49 @@ verify_encoder_state(struct drm_device *dev, struct drm_atomic_state *state)
 }
 
 static void
-verify_crtc_state(struct drm_crtc *crtc,
-		  struct drm_crtc_state *old_crtc_state,
-		  struct drm_crtc_state *new_crtc_state)
+verify_crtc_state(struct intel_crtc *crtc,
+		  struct intel_crtc_state *old_crtc_state,
+		  struct intel_crtc_state *new_crtc_state)
 {
-	struct drm_device *dev = crtc->dev;
+	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct intel_encoder *encoder;
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	struct intel_crtc_state *pipe_config, *sw_config;
-	struct drm_atomic_state *old_state;
+	struct intel_crtc_state *pipe_config;
+	struct drm_atomic_state *state;
 	bool active;
 
-	old_state = old_crtc_state->state;
-	__drm_atomic_helper_crtc_destroy_state(old_crtc_state);
-	pipe_config = to_intel_crtc_state(old_crtc_state);
+	state = old_crtc_state->base.state;
+	__drm_atomic_helper_crtc_destroy_state(&old_crtc_state->base);
+	pipe_config = old_crtc_state;
 	memset(pipe_config, 0, sizeof(*pipe_config));
-	pipe_config->base.crtc = crtc;
-	pipe_config->base.state = old_state;
+	pipe_config->base.crtc = &crtc->base;
+	pipe_config->base.state = state;
 
-	DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
+	DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.base.id, crtc->base.name);
 
-	active = dev_priv->display.get_pipe_config(intel_crtc, pipe_config);
+	active = dev_priv->display.get_pipe_config(crtc, pipe_config);
 
 	/* we keep both pipes enabled on 830 */
 	if (IS_I830(dev_priv))
-		active = new_crtc_state->active;
+		active = new_crtc_state->base.active;
 
-	I915_STATE_WARN(new_crtc_state->active != active,
+	I915_STATE_WARN(new_crtc_state->base.active != active,
 	     "crtc active state doesn't match with hw state "
-	     "(expected %i, found %i)\n", new_crtc_state->active, active);
+	     "(expected %i, found %i)\n", new_crtc_state->base.active, active);
 
-	I915_STATE_WARN(intel_crtc->active != new_crtc_state->active,
+	I915_STATE_WARN(crtc->active != new_crtc_state->base.active,
 	     "transitional active state does not match atomic hw state "
-	     "(expected %i, found %i)\n", new_crtc_state->active, intel_crtc->active);
+	     "(expected %i, found %i)\n", new_crtc_state->base.active, crtc->active);
 
-	for_each_encoder_on_crtc(dev, crtc, encoder) {
+	for_each_encoder_on_crtc(dev, &crtc->base, encoder) {
 		enum pipe pipe;
 
 		active = encoder->get_hw_state(encoder, &pipe);
-		I915_STATE_WARN(active != new_crtc_state->active,
+		I915_STATE_WARN(active != new_crtc_state->base.active,
 			"[ENCODER:%i] active %i with crtc active %i\n",
-			encoder->base.base.id, active, new_crtc_state->active);
+			encoder->base.base.id, active, new_crtc_state->base.active);
 
-		I915_STATE_WARN(active && intel_crtc->pipe != pipe,
+		I915_STATE_WARN(active && crtc->pipe != pipe,
 				"Encoder connected to wrong pipe %c\n",
 				pipe_name(pipe));
 
@@ -12975,16 +13134,16 @@ verify_crtc_state(struct drm_crtc *crtc,
 
 	intel_crtc_compute_pixel_rate(pipe_config);
 
-	if (!new_crtc_state->active)
+	if (!new_crtc_state->base.active)
 		return;
 
 	intel_pipe_config_sanity_check(dev_priv, pipe_config);
 
-	sw_config = to_intel_crtc_state(new_crtc_state);
-	if (!intel_pipe_config_compare(sw_config, pipe_config, false)) {
+	if (!intel_pipe_config_compare(new_crtc_state,
+				       pipe_config, false)) {
 		I915_STATE_WARN(1, "pipe state doesn't match!\n");
 		intel_dump_pipe_config(pipe_config, NULL, "[hw state]");
-		intel_dump_pipe_config(sw_config, NULL, "[sw state]");
+		intel_dump_pipe_config(new_crtc_state, NULL, "[sw state]");
 	}
 }
 
@@ -13004,8 +13163,8 @@ intel_verify_planes(struct intel_atomic_state *state)
 static void
 verify_single_dpll_state(struct drm_i915_private *dev_priv,
 			 struct intel_shared_dpll *pll,
-			 struct drm_crtc *crtc,
-			 struct drm_crtc_state *new_state)
+			 struct intel_crtc *crtc,
+			 struct intel_crtc_state *new_crtc_state)
 {
 	struct intel_dpll_hw_state dpll_hw_state;
 	unsigned int crtc_mask;
@@ -13035,16 +13194,16 @@ verify_single_dpll_state(struct drm_i915_private *dev_priv,
 		return;
 	}
 
-	crtc_mask = drm_crtc_mask(crtc);
+	crtc_mask = drm_crtc_mask(&crtc->base);
 
-	if (new_state->active)
+	if (new_crtc_state->base.active)
 		I915_STATE_WARN(!(pll->active_mask & crtc_mask),
 				"pll active mismatch (expected pipe %c in active mask 0x%02x)\n",
-				pipe_name(drm_crtc_index(crtc)), pll->active_mask);
+				pipe_name(drm_crtc_index(&crtc->base)), pll->active_mask);
 	else
 		I915_STATE_WARN(pll->active_mask & crtc_mask,
 				"pll active mismatch (didn't expect pipe %c in active mask 0x%02x)\n",
-				pipe_name(drm_crtc_index(crtc)), pll->active_mask);
+				pipe_name(drm_crtc_index(&crtc->base)), pll->active_mask);
 
 	I915_STATE_WARN(!(pll->state.crtc_mask & crtc_mask),
 			"pll enabled crtcs mismatch (expected 0x%x in 0x%02x)\n",
@@ -13057,51 +13216,47 @@ verify_single_dpll_state(struct drm_i915_private *dev_priv,
 }
 
 static void
-verify_shared_dpll_state(struct drm_device *dev, struct drm_crtc *crtc,
-			 struct drm_crtc_state *old_crtc_state,
-			 struct drm_crtc_state *new_crtc_state)
+verify_shared_dpll_state(struct intel_crtc *crtc,
+			 struct intel_crtc_state *old_crtc_state,
+			 struct intel_crtc_state *new_crtc_state)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_crtc_state *old_state = to_intel_crtc_state(old_crtc_state);
-	struct intel_crtc_state *new_state = to_intel_crtc_state(new_crtc_state);
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 
-	if (new_state->shared_dpll)
-		verify_single_dpll_state(dev_priv, new_state->shared_dpll, crtc, new_crtc_state);
+	if (new_crtc_state->shared_dpll)
+		verify_single_dpll_state(dev_priv, new_crtc_state->shared_dpll, crtc, new_crtc_state);
 
-	if (old_state->shared_dpll &&
-	    old_state->shared_dpll != new_state->shared_dpll) {
-		unsigned int crtc_mask = drm_crtc_mask(crtc);
-		struct intel_shared_dpll *pll = old_state->shared_dpll;
+	if (old_crtc_state->shared_dpll &&
+	    old_crtc_state->shared_dpll != new_crtc_state->shared_dpll) {
+		unsigned int crtc_mask = drm_crtc_mask(&crtc->base);
+		struct intel_shared_dpll *pll = old_crtc_state->shared_dpll;
 
 		I915_STATE_WARN(pll->active_mask & crtc_mask,
 				"pll active mismatch (didn't expect pipe %c in active mask)\n",
-				pipe_name(drm_crtc_index(crtc)));
+				pipe_name(drm_crtc_index(&crtc->base)));
 		I915_STATE_WARN(pll->state.crtc_mask & crtc_mask,
 				"pll enabled crtcs mismatch (found %x in enabled mask)\n",
-				pipe_name(drm_crtc_index(crtc)));
+				pipe_name(drm_crtc_index(&crtc->base)));
 	}
 }
 
 static void
-intel_modeset_verify_crtc(struct drm_crtc *crtc,
-			  struct drm_atomic_state *state,
-			  struct drm_crtc_state *old_state,
-			  struct drm_crtc_state *new_state)
+intel_modeset_verify_crtc(struct intel_crtc *crtc,
+			  struct intel_atomic_state *state,
+			  struct intel_crtc_state *old_crtc_state,
+			  struct intel_crtc_state *new_crtc_state)
 {
-	if (!needs_modeset(new_state) &&
-	    !to_intel_crtc_state(new_state)->update_pipe)
+	if (!needs_modeset(new_crtc_state) && !new_crtc_state->update_pipe)
 		return;
 
-	verify_wm_state(crtc, new_state);
-	verify_connector_state(crtc->dev, state, crtc);
-	verify_crtc_state(crtc, old_state, new_state);
-	verify_shared_dpll_state(crtc->dev, crtc, old_state, new_state);
+	verify_wm_state(crtc, new_crtc_state);
+	verify_connector_state(state, crtc);
+	verify_crtc_state(crtc, old_crtc_state, new_crtc_state);
+	verify_shared_dpll_state(crtc, old_crtc_state, new_crtc_state);
 }
 
 static void
-verify_disabled_dpll_state(struct drm_device *dev)
+verify_disabled_dpll_state(struct drm_i915_private *dev_priv)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
 	int i;
 
 	for (i = 0; i < dev_priv->num_shared_dpll; i++)
@@ -13109,12 +13264,12 @@ verify_disabled_dpll_state(struct drm_device *dev)
 }
 
 static void
-intel_modeset_verify_disabled(struct drm_device *dev,
-			      struct drm_atomic_state *state)
+intel_modeset_verify_disabled(struct drm_i915_private *dev_priv,
+			      struct intel_atomic_state *state)
 {
-	verify_encoder_state(dev, state);
-	verify_connector_state(dev, state, NULL);
-	verify_disabled_dpll_state(dev);
+	verify_encoder_state(dev_priv, state);
+	verify_connector_state(state, NULL);
+	verify_disabled_dpll_state(dev_priv);
 }
 
 static void update_scanline_offset(const struct intel_crtc_state *crtc_state)
@@ -13168,27 +13323,18 @@ static void update_scanline_offset(const struct intel_crtc_state *crtc_state)
 static void intel_modeset_clear_plls(struct intel_atomic_state *state)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	struct intel_crtc_state *old_crtc_state, *new_crtc_state;
+	struct intel_crtc_state *new_crtc_state;
 	struct intel_crtc *crtc;
 	int i;
 
 	if (!dev_priv->display.crtc_compute_clock)
 		return;
 
-	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
-					    new_crtc_state, i) {
-		struct intel_shared_dpll *old_dpll =
-			old_crtc_state->shared_dpll;
-
-		if (!needs_modeset(&new_crtc_state->base))
-			continue;
-
-		new_crtc_state->shared_dpll = NULL;
-
-		if (!old_dpll)
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
+		if (!needs_modeset(new_crtc_state))
 			continue;
 
-		intel_release_shared_dpll(old_dpll, crtc, &state->base);
+		intel_release_shared_dplls(state, crtc);
 	}
 }
 
@@ -13210,7 +13356,7 @@ static int haswell_mode_set_planes_workaround(struct intel_atomic_state *state)
 	/* look at all crtc's that are going to be enabled in during modeset */
 	for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
 		if (!crtc_state->base.active ||
-		    !needs_modeset(&crtc_state->base))
+		    !needs_modeset(crtc_state))
 			continue;
 
 		if (first_crtc_state) {
@@ -13235,7 +13381,7 @@ static int haswell_mode_set_planes_workaround(struct intel_atomic_state *state)
 		crtc_state->hsw_workaround_pipe = INVALID_PIPE;
 
 		if (!crtc_state->base.active ||
-		    needs_modeset(&crtc_state->base))
+		    needs_modeset(crtc_state))
 			continue;
 
 		/* 2 or more enabled crtcs means no need for w/a */
@@ -13253,15 +13399,16 @@ static int haswell_mode_set_planes_workaround(struct intel_atomic_state *state)
 	return 0;
 }
 
-static int intel_lock_all_pipes(struct drm_atomic_state *state)
+static int intel_lock_all_pipes(struct intel_atomic_state *state)
 {
-	struct drm_crtc *crtc;
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct intel_crtc *crtc;
 
 	/* Add all pipes to the state */
-	for_each_crtc(state->dev, crtc) {
-		struct drm_crtc_state *crtc_state;
+	for_each_intel_crtc(&dev_priv->drm, crtc) {
+		struct intel_crtc_state *crtc_state;
 
-		crtc_state = drm_atomic_get_crtc_state(state, crtc);
+		crtc_state = intel_atomic_get_crtc_state(&state->base, crtc);
 		if (IS_ERR(crtc_state))
 			return PTR_ERR(crtc_state);
 	}
@@ -13269,32 +13416,35 @@ static int intel_lock_all_pipes(struct drm_atomic_state *state)
 	return 0;
 }
 
-static int intel_modeset_all_pipes(struct drm_atomic_state *state)
+static int intel_modeset_all_pipes(struct intel_atomic_state *state)
 {
-	struct drm_crtc *crtc;
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct intel_crtc *crtc;
 
 	/*
 	 * Add all pipes to the state, and force
 	 * a modeset on all the active ones.
 	 */
-	for_each_crtc(state->dev, crtc) {
-		struct drm_crtc_state *crtc_state;
+	for_each_intel_crtc(&dev_priv->drm, crtc) {
+		struct intel_crtc_state *crtc_state;
 		int ret;
 
-		crtc_state = drm_atomic_get_crtc_state(state, crtc);
+		crtc_state = intel_atomic_get_crtc_state(&state->base, crtc);
 		if (IS_ERR(crtc_state))
 			return PTR_ERR(crtc_state);
 
-		if (!crtc_state->active || needs_modeset(crtc_state))
+		if (!crtc_state->base.active || needs_modeset(crtc_state))
 			continue;
 
-		crtc_state->mode_changed = true;
+		crtc_state->base.mode_changed = true;
 
-		ret = drm_atomic_add_affected_connectors(state, crtc);
+		ret = drm_atomic_add_affected_connectors(&state->base,
+							 &crtc->base);
 		if (ret)
 			return ret;
 
-		ret = drm_atomic_add_affected_planes(state, crtc);
+		ret = drm_atomic_add_affected_planes(&state->base,
+						     &crtc->base);
 		if (ret)
 			return ret;
 	}
@@ -13356,18 +13506,18 @@ static int intel_modeset_checks(struct intel_atomic_state *state)
 		 */
 		if (intel_cdclk_changed(&dev_priv->cdclk.logical,
 					&state->cdclk.logical)) {
-			ret = intel_lock_all_pipes(&state->base);
+			ret = intel_lock_all_pipes(state);
 			if (ret < 0)
 				return ret;
 		}
 
 		if (is_power_of_2(state->active_crtcs)) {
-			struct drm_crtc *crtc;
-			struct drm_crtc_state *crtc_state;
+			struct intel_crtc *crtc;
+			struct intel_crtc_state *crtc_state;
 
 			pipe = ilog2(state->active_crtcs);
-			crtc = &intel_get_crtc_for_pipe(dev_priv, pipe)->base;
-			crtc_state = drm_atomic_get_new_crtc_state(&state->base, crtc);
+			crtc = intel_get_crtc_for_pipe(dev_priv, pipe);
+			crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
 			if (crtc_state && needs_modeset(crtc_state))
 				pipe = INVALID_PIPE;
 		} else {
@@ -13379,14 +13529,14 @@ static int intel_modeset_checks(struct intel_atomic_state *state)
 		    intel_cdclk_needs_cd2x_update(dev_priv,
 						  &dev_priv->cdclk.actual,
 						  &state->cdclk.actual)) {
-			ret = intel_lock_all_pipes(&state->base);
+			ret = intel_lock_all_pipes(state);
 			if (ret < 0)
 				return ret;
 
 			state->cdclk.pipe = pipe;
 		} else if (intel_cdclk_needs_modeset(&dev_priv->cdclk.actual,
 						     &state->cdclk.actual)) {
-			ret = intel_modeset_all_pipes(&state->base);
+			ret = intel_modeset_all_pipes(state);
 			if (ret < 0)
 				return ret;
 
@@ -13478,7 +13628,7 @@ static int intel_atomic_check(struct drm_device *dev,
 
 	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
 					    new_crtc_state, i) {
-		if (!needs_modeset(&new_crtc_state->base))
+		if (!needs_modeset(new_crtc_state))
 			continue;
 
 		if (!new_crtc_state->base.enable) {
@@ -13492,7 +13642,7 @@ static int intel_atomic_check(struct drm_device *dev,
 
 		intel_crtc_check_fastset(old_crtc_state, new_crtc_state);
 
-		if (needs_modeset(&new_crtc_state->base))
+		if (needs_modeset(new_crtc_state))
 			any_ms = true;
 	}
 
@@ -13527,12 +13677,12 @@ static int intel_atomic_check(struct drm_device *dev,
 
 	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
 					    new_crtc_state, i) {
-		if (!needs_modeset(&new_crtc_state->base) &&
+		if (!needs_modeset(new_crtc_state) &&
 		    !new_crtc_state->update_pipe)
 			continue;
 
 		intel_dump_pipe_config(new_crtc_state, state,
-				       needs_modeset(&new_crtc_state->base) ?
+				       needs_modeset(new_crtc_state) ?
 				       "[modeset]" : "[fastset]");
 	}
 
@@ -13553,10 +13703,10 @@ static int intel_atomic_check(struct drm_device *dev,
 	return ret;
 }
 
-static int intel_atomic_prepare_commit(struct drm_device *dev,
-				       struct drm_atomic_state *state)
+static int intel_atomic_prepare_commit(struct intel_atomic_state *state)
 {
-	return drm_atomic_helper_prepare_planes(dev, state);
+	return drm_atomic_helper_prepare_planes(state->base.dev,
+						&state->base);
 }
 
 u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
@@ -13567,60 +13717,57 @@ u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
 	if (!vblank->max_vblank_count)
 		return (u32)drm_crtc_accurate_vblank_count(&crtc->base);
 
-	return dev->driver->get_vblank_counter(dev, crtc->pipe);
+	return crtc->base.funcs->get_vblank_counter(&crtc->base);
 }
 
-static void intel_update_crtc(struct drm_crtc *crtc,
-			      struct drm_atomic_state *state,
-			      struct drm_crtc_state *old_crtc_state,
-			      struct drm_crtc_state *new_crtc_state)
+static void intel_update_crtc(struct intel_crtc *crtc,
+			      struct intel_atomic_state *state,
+			      struct intel_crtc_state *old_crtc_state,
+			      struct intel_crtc_state *new_crtc_state)
 {
-	struct drm_device *dev = crtc->dev;
+	struct drm_device *dev = state->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	struct intel_crtc_state *pipe_config = to_intel_crtc_state(new_crtc_state);
 	bool modeset = needs_modeset(new_crtc_state);
 	struct intel_plane_state *new_plane_state =
-		intel_atomic_get_new_plane_state(to_intel_atomic_state(state),
-						 to_intel_plane(crtc->primary));
+		intel_atomic_get_new_plane_state(state,
+						 to_intel_plane(crtc->base.primary));
 
 	if (modeset) {
-		update_scanline_offset(pipe_config);
-		dev_priv->display.crtc_enable(pipe_config, state);
+		update_scanline_offset(new_crtc_state);
+		dev_priv->display.crtc_enable(new_crtc_state, state);
 
 		/* vblanks work again, re-enable pipe CRC. */
-		intel_crtc_enable_pipe_crc(intel_crtc);
+		intel_crtc_enable_pipe_crc(crtc);
 	} else {
-		intel_pre_plane_update(to_intel_crtc_state(old_crtc_state),
-				       pipe_config);
+		intel_pre_plane_update(old_crtc_state, new_crtc_state);
 
-		if (pipe_config->update_pipe)
-			intel_encoders_update_pipe(crtc, pipe_config, state);
+		if (new_crtc_state->update_pipe)
+			intel_encoders_update_pipe(crtc, new_crtc_state, state);
 	}
 
-	if (pipe_config->update_pipe && !pipe_config->enable_fbc)
-		intel_fbc_disable(intel_crtc);
+	if (new_crtc_state->update_pipe && !new_crtc_state->enable_fbc)
+		intel_fbc_disable(crtc);
 	else if (new_plane_state)
-		intel_fbc_enable(intel_crtc, pipe_config, new_plane_state);
+		intel_fbc_enable(crtc, new_crtc_state, new_plane_state);
 
-	intel_begin_crtc_commit(to_intel_atomic_state(state), intel_crtc);
+	intel_begin_crtc_commit(state, crtc);
 
 	if (INTEL_GEN(dev_priv) >= 9)
-		skl_update_planes_on_crtc(to_intel_atomic_state(state), intel_crtc);
+		skl_update_planes_on_crtc(state, crtc);
 	else
-		i9xx_update_planes_on_crtc(to_intel_atomic_state(state), intel_crtc);
+		i9xx_update_planes_on_crtc(state, crtc);
 
-	intel_finish_crtc_commit(to_intel_atomic_state(state), intel_crtc);
+	intel_finish_crtc_commit(state, crtc);
 }
 
-static void intel_update_crtcs(struct drm_atomic_state *state)
+static void intel_update_crtcs(struct intel_atomic_state *state)
 {
-	struct drm_crtc *crtc;
-	struct drm_crtc_state *old_crtc_state, *new_crtc_state;
+	struct intel_crtc *crtc;
+	struct intel_crtc_state *old_crtc_state, *new_crtc_state;
 	int i;
 
-	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
-		if (!new_crtc_state->active)
+	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+		if (!new_crtc_state->base.active)
 			continue;
 
 		intel_update_crtc(crtc, state, old_crtc_state,
@@ -13628,26 +13775,23 @@ static void intel_update_crtcs(struct drm_atomic_state *state)
 	}
 }
 
-static void skl_update_crtcs(struct drm_atomic_state *state)
+static void skl_update_crtcs(struct intel_atomic_state *state)
 {
-	struct drm_i915_private *dev_priv = to_i915(state->dev);
-	struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
-	struct drm_crtc *crtc;
-	struct intel_crtc *intel_crtc;
-	struct drm_crtc_state *old_crtc_state, *new_crtc_state;
-	struct intel_crtc_state *cstate;
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct intel_crtc *crtc;
+	struct intel_crtc_state *old_crtc_state, *new_crtc_state;
 	unsigned int updated = 0;
 	bool progress;
 	enum pipe pipe;
 	int i;
 	u8 hw_enabled_slices = dev_priv->wm.skl_hw.ddb.enabled_slices;
-	u8 required_slices = intel_state->wm_results.ddb.enabled_slices;
+	u8 required_slices = state->wm_results.ddb.enabled_slices;
 	struct skl_ddb_entry entries[I915_MAX_PIPES] = {};
 
-	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i)
+	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i)
 		/* ignore allocations for crtc's that have been turned off. */
-		if (new_crtc_state->active)
-			entries[i] = to_intel_crtc_state(old_crtc_state)->wm.skl.ddb;
+		if (new_crtc_state->base.active)
+			entries[i] = old_crtc_state->wm.skl.ddb;
 
 	/* If 2nd DBuf slice required, enable it here */
 	if (INTEL_GEN(dev_priv) >= 11 && required_slices > hw_enabled_slices)
@@ -13662,24 +13806,22 @@ static void skl_update_crtcs(struct drm_atomic_state *state)
 	do {
 		progress = false;
 
-		for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+		for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
 			bool vbl_wait = false;
-			unsigned int cmask = drm_crtc_mask(crtc);
+			unsigned int cmask = drm_crtc_mask(&crtc->base);
 
-			intel_crtc = to_intel_crtc(crtc);
-			cstate = to_intel_crtc_state(new_crtc_state);
-			pipe = intel_crtc->pipe;
+			pipe = crtc->pipe;
 
-			if (updated & cmask || !cstate->base.active)
+			if (updated & cmask || !new_crtc_state->base.active)
 				continue;
 
-			if (skl_ddb_allocation_overlaps(&cstate->wm.skl.ddb,
+			if (skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
 							entries,
 							INTEL_INFO(dev_priv)->num_pipes, i))
 				continue;
 
 			updated |= cmask;
-			entries[i] = cstate->wm.skl.ddb;
+			entries[i] = new_crtc_state->wm.skl.ddb;
 
 			/*
 			 * If this is an already active pipe, it's DDB changed,
@@ -13687,10 +13829,10 @@ static void skl_update_crtcs(struct drm_atomic_state *state)
 			 * then we need to wait for a vblank to pass for the
 			 * new ddb allocation to take effect.
 			 */
-			if (!skl_ddb_entry_equal(&cstate->wm.skl.ddb,
-						 &to_intel_crtc_state(old_crtc_state)->wm.skl.ddb) &&
-			    !new_crtc_state->active_changed &&
-			    intel_state->wm_results.dirty_pipes != updated)
+			if (!skl_ddb_entry_equal(&new_crtc_state->wm.skl.ddb,
+						 &old_crtc_state->wm.skl.ddb) &&
+			    !new_crtc_state->base.active_changed &&
+			    state->wm_results.dirty_pipes != updated)
 				vbl_wait = true;
 
 			intel_update_crtc(crtc, state, old_crtc_state,
@@ -13736,18 +13878,21 @@ static void intel_atomic_commit_fence_wait(struct intel_atomic_state *intel_stat
 	for (;;) {
 		prepare_to_wait(&intel_state->commit_ready.wait,
 				&wait_fence, TASK_UNINTERRUPTIBLE);
-		prepare_to_wait(&dev_priv->gpu_error.wait_queue,
+		prepare_to_wait(bit_waitqueue(&dev_priv->gt.reset.flags,
+					      I915_RESET_MODESET),
 				&wait_reset, TASK_UNINTERRUPTIBLE);
 
 
-		if (i915_sw_fence_done(&intel_state->commit_ready)
-		    || test_bit(I915_RESET_MODESET, &dev_priv->gpu_error.flags))
+		if (i915_sw_fence_done(&intel_state->commit_ready) ||
+		    test_bit(I915_RESET_MODESET, &dev_priv->gt.reset.flags))
 			break;
 
 		schedule();
 	}
 	finish_wait(&intel_state->commit_ready.wait, &wait_fence);
-	finish_wait(&dev_priv->gpu_error.wait_queue, &wait_reset);
+	finish_wait(bit_waitqueue(&dev_priv->gt.reset.flags,
+				  I915_RESET_MODESET),
+		    &wait_reset);
 }
 
 static void intel_atomic_cleanup_work(struct work_struct *work)
@@ -13763,57 +13908,49 @@ static void intel_atomic_cleanup_work(struct work_struct *work)
 	intel_atomic_helper_free_state(i915);
 }
 
-static void intel_atomic_commit_tail(struct drm_atomic_state *state)
+static void intel_atomic_commit_tail(struct intel_atomic_state *state)
 {
-	struct drm_device *dev = state->dev;
-	struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
+	struct drm_device *dev = state->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct drm_crtc_state *old_crtc_state, *new_crtc_state;
-	struct intel_crtc_state *new_intel_crtc_state, *old_intel_crtc_state;
-	struct drm_crtc *crtc;
-	struct intel_crtc *intel_crtc;
+	struct intel_crtc_state *new_crtc_state, *old_crtc_state;
+	struct intel_crtc *crtc;
 	u64 put_domains[I915_MAX_PIPES] = {};
 	intel_wakeref_t wakeref = 0;
 	int i;
 
-	intel_atomic_commit_fence_wait(intel_state);
+	intel_atomic_commit_fence_wait(state);
 
-	drm_atomic_helper_wait_for_dependencies(state);
+	drm_atomic_helper_wait_for_dependencies(&state->base);
 
-	if (intel_state->modeset)
+	if (state->modeset)
 		wakeref = intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET);
 
-	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
-		old_intel_crtc_state = to_intel_crtc_state(old_crtc_state);
-		new_intel_crtc_state = to_intel_crtc_state(new_crtc_state);
-		intel_crtc = to_intel_crtc(crtc);
-
+	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
 		if (needs_modeset(new_crtc_state) ||
-		    to_intel_crtc_state(new_crtc_state)->update_pipe) {
+		    new_crtc_state->update_pipe) {
 
-			put_domains[intel_crtc->pipe] =
-				modeset_get_crtc_power_domains(crtc,
-					new_intel_crtc_state);
+			put_domains[crtc->pipe] =
+				modeset_get_crtc_power_domains(new_crtc_state);
 		}
 
 		if (!needs_modeset(new_crtc_state))
 			continue;
 
-		intel_pre_plane_update(old_intel_crtc_state, new_intel_crtc_state);
+		intel_pre_plane_update(old_crtc_state, new_crtc_state);
 
-		if (old_crtc_state->active) {
-			intel_crtc_disable_planes(intel_state, intel_crtc);
+		if (old_crtc_state->base.active) {
+			intel_crtc_disable_planes(state, crtc);
 
 			/*
 			 * We need to disable pipe CRC before disabling the pipe,
 			 * or we race against vblank off.
 			 */
-			intel_crtc_disable_pipe_crc(intel_crtc);
+			intel_crtc_disable_pipe_crc(crtc);
 
-			dev_priv->display.crtc_disable(old_intel_crtc_state, state);
-			intel_crtc->active = false;
-			intel_fbc_disable(intel_crtc);
-			intel_disable_shared_dpll(old_intel_crtc_state);
+			dev_priv->display.crtc_disable(old_crtc_state, state);
+			crtc->active = false;
+			intel_fbc_disable(crtc);
+			intel_disable_shared_dpll(old_crtc_state);
 
 			/*
 			 * Underruns don't always raise
@@ -13823,25 +13960,25 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 			intel_check_pch_fifo_underruns(dev_priv);
 
 			/* FIXME unify this for all platforms */
-			if (!new_crtc_state->active &&
+			if (!new_crtc_state->base.active &&
 			    !HAS_GMCH(dev_priv) &&
 			    dev_priv->display.initial_watermarks)
-				dev_priv->display.initial_watermarks(intel_state,
-								     new_intel_crtc_state);
+				dev_priv->display.initial_watermarks(state,
+								     new_crtc_state);
 		}
 	}
 
-	/* FIXME: Eventually get rid of our intel_crtc->config pointer */
-	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i)
-		to_intel_crtc(crtc)->config = to_intel_crtc_state(new_crtc_state);
+	/* FIXME: Eventually get rid of our crtc->config pointer */
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i)
+		crtc->config = new_crtc_state;
 
-	if (intel_state->modeset) {
-		drm_atomic_helper_update_legacy_modeset_state(state->dev, state);
+	if (state->modeset) {
+		drm_atomic_helper_update_legacy_modeset_state(dev, &state->base);
 
 		intel_set_cdclk_pre_plane_update(dev_priv,
-						 &intel_state->cdclk.actual,
+						 &state->cdclk.actual,
 						 &dev_priv->cdclk.actual,
-						 intel_state->cdclk.pipe);
+						 state->cdclk.pipe);
 
 		/*
 		 * SKL workaround: bspec recommends we disable the SAGV when we
@@ -13850,31 +13987,37 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 		if (!intel_can_enable_sagv(state))
 			intel_disable_sagv(dev_priv);
 
-		intel_modeset_verify_disabled(dev, state);
+		intel_modeset_verify_disabled(dev_priv, state);
 	}
 
 	/* Complete the events for pipes that have now been disabled */
-	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
 		bool modeset = needs_modeset(new_crtc_state);
 
 		/* Complete events for now disable pipes here. */
-		if (modeset && !new_crtc_state->active && new_crtc_state->event) {
+		if (modeset && !new_crtc_state->base.active && new_crtc_state->base.event) {
 			spin_lock_irq(&dev->event_lock);
-			drm_crtc_send_vblank_event(crtc, new_crtc_state->event);
+			drm_crtc_send_vblank_event(&crtc->base, new_crtc_state->base.event);
 			spin_unlock_irq(&dev->event_lock);
 
-			new_crtc_state->event = NULL;
+			new_crtc_state->base.event = NULL;
 		}
 	}
 
+	if (state->modeset)
+		intel_encoders_update_prepare(state);
+
 	/* Now enable the clocks, plane, pipe, and connectors that we set up. */
 	dev_priv->display.update_crtcs(state);
 
-	if (intel_state->modeset)
+	if (state->modeset) {
+		intel_encoders_update_complete(state);
+
 		intel_set_cdclk_post_plane_update(dev_priv,
-						  &intel_state->cdclk.actual,
+						  &state->cdclk.actual,
 						  &dev_priv->cdclk.actual,
-						  intel_state->cdclk.pipe);
+						  state->cdclk.pipe);
+	}
 
 	/* FIXME: We should call drm_atomic_helper_commit_hw_done() here
 	 * already, but still need the state for the delayed optimization. To
@@ -13885,16 +14028,14 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 	 * - switch over to the vblank wait helper in the core after that since
 	 *   we don't need out special handling any more.
 	 */
-	drm_atomic_helper_wait_for_flip_done(dev, state);
+	drm_atomic_helper_wait_for_flip_done(dev, &state->base);
 
-	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
-		new_intel_crtc_state = to_intel_crtc_state(new_crtc_state);
-
-		if (new_crtc_state->active &&
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
+		if (new_crtc_state->base.active &&
 		    !needs_modeset(new_crtc_state) &&
-		    (new_intel_crtc_state->base.color_mgmt_changed ||
-		     new_intel_crtc_state->update_pipe))
-			intel_color_load_luts(new_intel_crtc_state);
+		    (new_crtc_state->base.color_mgmt_changed ||
+		     new_crtc_state->update_pipe))
+			intel_color_load_luts(new_crtc_state);
 	}
 
 	/*
@@ -13904,16 +14045,14 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 	 *
 	 * TODO: Move this (and other cleanup) to an async worker eventually.
 	 */
-	for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
-		new_intel_crtc_state = to_intel_crtc_state(new_crtc_state);
-
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
 		if (dev_priv->display.optimize_watermarks)
-			dev_priv->display.optimize_watermarks(intel_state,
-							      new_intel_crtc_state);
+			dev_priv->display.optimize_watermarks(state,
+							      new_crtc_state);
 	}
 
-	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
-		intel_post_plane_update(to_intel_crtc_state(old_crtc_state));
+	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+		intel_post_plane_update(old_crtc_state);
 
 		if (put_domains[i])
 			modeset_put_power_domains(dev_priv, put_domains[i]);
@@ -13921,15 +14060,15 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 		intel_modeset_verify_crtc(crtc, state, old_crtc_state, new_crtc_state);
 	}
 
-	if (intel_state->modeset)
-		intel_verify_planes(intel_state);
+	if (state->modeset)
+		intel_verify_planes(state);
 
-	if (intel_state->modeset && intel_can_enable_sagv(state))
+	if (state->modeset && intel_can_enable_sagv(state))
 		intel_enable_sagv(dev_priv);
 
-	drm_atomic_helper_commit_hw_done(state);
+	drm_atomic_helper_commit_hw_done(&state->base);
 
-	if (intel_state->modeset) {
+	if (state->modeset) {
 		/* As one of the primary mmio accessors, KMS has a high
 		 * likelihood of triggering bugs in unclaimed access. After we
 		 * finish modesetting, see if an error has been flagged, and if
@@ -13939,7 +14078,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 		intel_uncore_arm_unclaimed_mmio_detection(&dev_priv->uncore);
 		intel_display_power_put(dev_priv, POWER_DOMAIN_MODESET, wakeref);
 	}
-	intel_runtime_pm_put(&dev_priv->runtime_pm, intel_state->wakeref);
+	intel_runtime_pm_put(&dev_priv->runtime_pm, state->wakeref);
 
 	/*
 	 * Defer the cleanup of the old state to a separate worker to not
@@ -13949,14 +14088,14 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 	 * schedule point (cond_resched()) here anyway to keep latencies
 	 * down.
 	 */
-	INIT_WORK(&state->commit_work, intel_atomic_cleanup_work);
-	queue_work(system_highpri_wq, &state->commit_work);
+	INIT_WORK(&state->base.commit_work, intel_atomic_cleanup_work);
+	queue_work(system_highpri_wq, &state->base.commit_work);
 }
 
 static void intel_atomic_commit_work(struct work_struct *work)
 {
-	struct drm_atomic_state *state =
-		container_of(work, struct drm_atomic_state, commit_work);
+	struct intel_atomic_state *state =
+		container_of(work, struct intel_atomic_state, base.commit_work);
 
 	intel_atomic_commit_tail(state);
 }
@@ -13986,42 +14125,31 @@ intel_atomic_commit_ready(struct i915_sw_fence *fence,
 	return NOTIFY_DONE;
 }
 
-static void intel_atomic_track_fbs(struct drm_atomic_state *state)
+static void intel_atomic_track_fbs(struct intel_atomic_state *state)
 {
-	struct drm_plane_state *old_plane_state, *new_plane_state;
-	struct drm_plane *plane;
+	struct intel_plane_state *old_plane_state, *new_plane_state;
+	struct intel_plane *plane;
 	int i;
 
-	for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i)
-		i915_gem_track_fb(intel_fb_obj(old_plane_state->fb),
-				  intel_fb_obj(new_plane_state->fb),
-				  to_intel_plane(plane)->frontbuffer_bit);
+	for_each_oldnew_intel_plane_in_state(state, plane, old_plane_state,
+					     new_plane_state, i)
+		i915_gem_track_fb(intel_fb_obj(old_plane_state->base.fb),
+				  intel_fb_obj(new_plane_state->base.fb),
+				  plane->frontbuffer_bit);
 }
 
-/**
- * intel_atomic_commit - commit validated state object
- * @dev: DRM device
- * @state: the top-level driver state object
- * @nonblock: nonblocking commit
- *
- * This function commits a top-level state object that has been validated
- * with drm_atomic_helper_check().
- *
- * RETURNS
- * Zero for success or -errno.
- */
 static int intel_atomic_commit(struct drm_device *dev,
-			       struct drm_atomic_state *state,
+			       struct drm_atomic_state *_state,
 			       bool nonblock)
 {
-	struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
+	struct intel_atomic_state *state = to_intel_atomic_state(_state);
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	int ret = 0;
 
-	intel_state->wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
+	state->wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
 
-	drm_atomic_state_get(state);
-	i915_sw_fence_init(&intel_state->commit_ready,
+	drm_atomic_state_get(&state->base);
+	i915_sw_fence_init(&state->commit_ready,
 			   intel_atomic_commit_ready);
 
 	/*
@@ -14041,63 +14169,61 @@ static int intel_atomic_commit(struct drm_device *dev,
 	 * FIXME doing watermarks and fb cleanup from a vblank worker
 	 * (assuming we had any) would solve these problems.
 	 */
-	if (INTEL_GEN(dev_priv) < 9 && state->legacy_cursor_update) {
+	if (INTEL_GEN(dev_priv) < 9 && state->base.legacy_cursor_update) {
 		struct intel_crtc_state *new_crtc_state;
 		struct intel_crtc *crtc;
 		int i;
 
-		for_each_new_intel_crtc_in_state(intel_state, crtc, new_crtc_state, i)
+		for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i)
 			if (new_crtc_state->wm.need_postvbl_update ||
 			    new_crtc_state->update_wm_post)
-				state->legacy_cursor_update = false;
+				state->base.legacy_cursor_update = false;
 	}
 
-	ret = intel_atomic_prepare_commit(dev, state);
+	ret = intel_atomic_prepare_commit(state);
 	if (ret) {
 		DRM_DEBUG_ATOMIC("Preparing state failed with %i\n", ret);
-		i915_sw_fence_commit(&intel_state->commit_ready);
-		intel_runtime_pm_put(&dev_priv->runtime_pm, intel_state->wakeref);
+		i915_sw_fence_commit(&state->commit_ready);
+		intel_runtime_pm_put(&dev_priv->runtime_pm, state->wakeref);
 		return ret;
 	}
 
-	ret = drm_atomic_helper_setup_commit(state, nonblock);
+	ret = drm_atomic_helper_setup_commit(&state->base, nonblock);
 	if (!ret)
-		ret = drm_atomic_helper_swap_state(state, true);
+		ret = drm_atomic_helper_swap_state(&state->base, true);
 
 	if (ret) {
-		i915_sw_fence_commit(&intel_state->commit_ready);
+		i915_sw_fence_commit(&state->commit_ready);
 
-		drm_atomic_helper_cleanup_planes(dev, state);
-		intel_runtime_pm_put(&dev_priv->runtime_pm, intel_state->wakeref);
+		drm_atomic_helper_cleanup_planes(dev, &state->base);
+		intel_runtime_pm_put(&dev_priv->runtime_pm, state->wakeref);
 		return ret;
 	}
 	dev_priv->wm.distrust_bios_wm = false;
 	intel_shared_dpll_swap_state(state);
 	intel_atomic_track_fbs(state);
 
-	if (intel_state->modeset) {
-		memcpy(dev_priv->min_cdclk, intel_state->min_cdclk,
-		       sizeof(intel_state->min_cdclk));
-		memcpy(dev_priv->min_voltage_level,
-		       intel_state->min_voltage_level,
-		       sizeof(intel_state->min_voltage_level));
-		dev_priv->active_crtcs = intel_state->active_crtcs;
-		dev_priv->cdclk.force_min_cdclk =
-			intel_state->cdclk.force_min_cdclk;
+	if (state->modeset) {
+		memcpy(dev_priv->min_cdclk, state->min_cdclk,
+		       sizeof(state->min_cdclk));
+		memcpy(dev_priv->min_voltage_level, state->min_voltage_level,
+		       sizeof(state->min_voltage_level));
+		dev_priv->active_crtcs = state->active_crtcs;
+		dev_priv->cdclk.force_min_cdclk = state->cdclk.force_min_cdclk;
 
-		intel_cdclk_swap_state(intel_state);
+		intel_cdclk_swap_state(state);
 	}
 
-	drm_atomic_state_get(state);
-	INIT_WORK(&state->commit_work, intel_atomic_commit_work);
+	drm_atomic_state_get(&state->base);
+	INIT_WORK(&state->base.commit_work, intel_atomic_commit_work);
 
-	i915_sw_fence_commit(&intel_state->commit_ready);
-	if (nonblock && intel_state->modeset) {
-		queue_work(dev_priv->modeset_wq, &state->commit_work);
+	i915_sw_fence_commit(&state->commit_ready);
+	if (nonblock && state->modeset) {
+		queue_work(dev_priv->modeset_wq, &state->base.commit_work);
 	} else if (nonblock) {
-		queue_work(system_unbound_wq, &state->commit_work);
+		queue_work(system_unbound_wq, &state->base.commit_work);
 	} else {
-		if (intel_state->modeset)
+		if (state->modeset)
 			flush_workqueue(dev_priv->modeset_wq);
 		intel_atomic_commit_tail(state);
 	}
@@ -14105,18 +14231,6 @@ static int intel_atomic_commit(struct drm_device *dev,
 	return 0;
 }
 
-static const struct drm_crtc_funcs intel_crtc_funcs = {
-	.gamma_set = drm_atomic_helper_legacy_gamma_set,
-	.set_config = drm_atomic_helper_set_config,
-	.destroy = intel_crtc_destroy,
-	.page_flip = drm_atomic_helper_page_flip,
-	.atomic_duplicate_state = intel_crtc_duplicate_state,
-	.atomic_destroy_state = intel_crtc_destroy_state,
-	.set_crc_source = intel_crtc_set_crc_source,
-	.verify_crc_source = intel_crtc_verify_crc_source,
-	.get_crc_sources = intel_crtc_get_crc_sources,
-};
-
 struct wait_rps_boost {
 	struct wait_queue_entry wait;
 
@@ -14250,9 +14364,9 @@ intel_prepare_plane_fb(struct drm_plane *plane,
 	int ret;
 
 	if (old_obj) {
-		struct drm_crtc_state *crtc_state =
-			drm_atomic_get_new_crtc_state(new_state->state,
-						      plane->state->crtc);
+		struct intel_crtc_state *crtc_state =
+			intel_atomic_get_new_crtc_state(intel_state,
+							to_intel_crtc(plane->state->crtc));
 
 		/* Big Hammer, we also need to ensure that any pending
 		 * MI_WAIT_FOR_EVENT inside a user batch buffer on the
@@ -14413,7 +14527,7 @@ static void intel_begin_crtc_commit(struct intel_atomic_state *state,
 		intel_atomic_get_old_crtc_state(state, crtc);
 	struct intel_crtc_state *new_crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
-	bool modeset = needs_modeset(&new_crtc_state->base);
+	bool modeset = needs_modeset(new_crtc_state);
 
 	/* Perform vblank evasion around commit operation */
 	intel_pipe_update_start(new_crtc_state);
@@ -14466,7 +14580,7 @@ static void intel_finish_crtc_commit(struct intel_atomic_state *state,
 	intel_pipe_update_end(new_crtc_state);
 
 	if (new_crtc_state->update_pipe &&
-	    !needs_modeset(&new_crtc_state->base) &&
+	    !needs_modeset(new_crtc_state) &&
 	    old_crtc_state->base.mode.private_flags & I915_MODE_FLAG_INHERITED)
 		intel_crtc_arm_fifo_underrun(crtc, new_crtc_state);
 }
@@ -14580,7 +14694,7 @@ intel_legacy_cursor_update(struct drm_plane *plane,
 	 * When crtc is inactive or there is a modeset pending,
 	 * wait for it to complete in the slowpath
 	 */
-	if (!crtc_state->base.active || needs_modeset(&crtc_state->base) ||
+	if (!crtc_state->base.active || needs_modeset(crtc_state) ||
 	    crtc_state->update_pipe)
 		goto slow;
 
@@ -14910,8 +15024,76 @@ static void intel_crtc_init_scalers(struct intel_crtc *crtc,
 	scaler_state->scaler_id = -1;
 }
 
+#define INTEL_CRTC_FUNCS \
+	.gamma_set = drm_atomic_helper_legacy_gamma_set, \
+	.set_config = drm_atomic_helper_set_config, \
+	.destroy = intel_crtc_destroy, \
+	.page_flip = drm_atomic_helper_page_flip, \
+	.atomic_duplicate_state = intel_crtc_duplicate_state, \
+	.atomic_destroy_state = intel_crtc_destroy_state, \
+	.set_crc_source = intel_crtc_set_crc_source, \
+	.verify_crc_source = intel_crtc_verify_crc_source, \
+	.get_crc_sources = intel_crtc_get_crc_sources
+
+static const struct drm_crtc_funcs bdw_crtc_funcs = {
+	INTEL_CRTC_FUNCS,
+
+	.get_vblank_counter = g4x_get_vblank_counter,
+	.enable_vblank = bdw_enable_vblank,
+	.disable_vblank = bdw_disable_vblank,
+};
+
+static const struct drm_crtc_funcs ilk_crtc_funcs = {
+	INTEL_CRTC_FUNCS,
+
+	.get_vblank_counter = g4x_get_vblank_counter,
+	.enable_vblank = ilk_enable_vblank,
+	.disable_vblank = ilk_disable_vblank,
+};
+
+static const struct drm_crtc_funcs g4x_crtc_funcs = {
+	INTEL_CRTC_FUNCS,
+
+	.get_vblank_counter = g4x_get_vblank_counter,
+	.enable_vblank = i965_enable_vblank,
+	.disable_vblank = i965_disable_vblank,
+};
+
+static const struct drm_crtc_funcs i965_crtc_funcs = {
+	INTEL_CRTC_FUNCS,
+
+	.get_vblank_counter = i915_get_vblank_counter,
+	.enable_vblank = i965_enable_vblank,
+	.disable_vblank = i965_disable_vblank,
+};
+
+static const struct drm_crtc_funcs i945gm_crtc_funcs = {
+	INTEL_CRTC_FUNCS,
+
+	.get_vblank_counter = i915_get_vblank_counter,
+	.enable_vblank = i945gm_enable_vblank,
+	.disable_vblank = i945gm_disable_vblank,
+};
+
+static const struct drm_crtc_funcs i915_crtc_funcs = {
+	INTEL_CRTC_FUNCS,
+
+	.get_vblank_counter = i915_get_vblank_counter,
+	.enable_vblank = i8xx_enable_vblank,
+	.disable_vblank = i8xx_disable_vblank,
+};
+
+static const struct drm_crtc_funcs i8xx_crtc_funcs = {
+	INTEL_CRTC_FUNCS,
+
+	/* no hw vblank counter */
+	.enable_vblank = i8xx_enable_vblank,
+	.disable_vblank = i8xx_disable_vblank,
+};
+
 static int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe)
 {
+	const struct drm_crtc_funcs *funcs;
 	struct intel_crtc *intel_crtc;
 	struct intel_crtc_state *crtc_state = NULL;
 	struct intel_plane *primary = NULL;
@@ -14955,10 +15137,28 @@ static int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe)
 	}
 	intel_crtc->plane_ids_mask |= BIT(cursor->id);
 
+	if (HAS_GMCH(dev_priv)) {
+		if (IS_CHERRYVIEW(dev_priv) ||
+		    IS_VALLEYVIEW(dev_priv) || IS_G4X(dev_priv))
+			funcs = &g4x_crtc_funcs;
+		else if (IS_GEN(dev_priv, 4))
+			funcs = &i965_crtc_funcs;
+		else if (IS_I945GM(dev_priv))
+			funcs = &i945gm_crtc_funcs;
+		else if (IS_GEN(dev_priv, 3))
+			funcs = &i915_crtc_funcs;
+		else
+			funcs = &i8xx_crtc_funcs;
+	} else {
+		if (INTEL_GEN(dev_priv) >= 8)
+			funcs = &bdw_crtc_funcs;
+		else
+			funcs = &ilk_crtc_funcs;
+	}
+
 	ret = drm_crtc_init_with_planes(&dev_priv->drm, &intel_crtc->base,
 					&primary->base, &cursor->base,
-					&intel_crtc_funcs,
-					"pipe %c", pipe_name(pipe));
+					funcs, "pipe %c", pipe_name(pipe));
 	if (ret)
 		goto fail;
 
@@ -15114,12 +15314,18 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
 	if (!HAS_DISPLAY(dev_priv))
 		return;
 
-	if (IS_ELKHARTLAKE(dev_priv)) {
+	if (INTEL_GEN(dev_priv) >= 12) {
+		/* TODO: initialize TC ports as well */
+		intel_ddi_init(dev_priv, PORT_A);
+		intel_ddi_init(dev_priv, PORT_B);
+		intel_ddi_init(dev_priv, PORT_C);
+	} else if (IS_ELKHARTLAKE(dev_priv)) {
 		intel_ddi_init(dev_priv, PORT_A);
 		intel_ddi_init(dev_priv, PORT_B);
 		intel_ddi_init(dev_priv, PORT_C);
+		intel_ddi_init(dev_priv, PORT_D);
 		icl_dsi_init(dev_priv);
-	} else if (INTEL_GEN(dev_priv) >= 11) {
+	} else if (IS_GEN(dev_priv, 11)) {
 		intel_ddi_init(dev_priv, PORT_A);
 		intel_ddi_init(dev_priv, PORT_B);
 		intel_ddi_init(dev_priv, PORT_C);
@@ -15775,8 +15981,8 @@ static void sanitize_watermarks(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct drm_atomic_state *state;
 	struct intel_atomic_state *intel_state;
-	struct drm_crtc *crtc;
-	struct drm_crtc_state *cstate;
+	struct intel_crtc *crtc;
+	struct intel_crtc_state *crtc_state;
 	struct drm_modeset_acquire_ctx ctx;
 	int ret;
 	int i;
@@ -15831,13 +16037,11 @@ retry:
 	}
 
 	/* Write calculated watermark values back */
-	for_each_new_crtc_in_state(state, crtc, cstate, i) {
-		struct intel_crtc_state *cs = to_intel_crtc_state(cstate);
-
-		cs->wm.need_postvbl_update = true;
-		dev_priv->display.optimize_watermarks(intel_state, cs);
+	for_each_new_intel_crtc_in_state(intel_state, crtc, crtc_state, i) {
+		crtc_state->wm.need_postvbl_update = true;
+		dev_priv->display.optimize_watermarks(intel_state, crtc_state);
 
-		to_intel_crtc_state(crtc->state)->wm = cs->wm;
+		to_intel_crtc_state(crtc->base.state)->wm = crtc_state->wm;
 	}
 
 put_state:
@@ -16495,6 +16699,13 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
 
 		pll->on = pll->info->funcs->get_hw_state(dev_priv, pll,
 							&pll->state.hw_state);
+
+		if (IS_ELKHARTLAKE(dev_priv) && pll->on &&
+		    pll->info->id == DPLL_ID_EHL_DPLL4) {
+			pll->wakeref = intel_display_power_get(dev_priv,
+							       POWER_DOMAIN_DPLL_DC_OFF);
+		}
+
 		pll->state.crtc_mask = 0;
 		for_each_intel_crtc(dev, crtc) {
 			struct intel_crtc_state *crtc_state =
@@ -16744,6 +16955,17 @@ intel_modeset_setup_hw_state(struct drm_device *dev,
 	intel_modeset_readout_hw_state(dev);
 
 	/* HW state is read out, now we need to sanitize this mess. */
+
+	/* Sanitize the TypeC port mode upfront, encoders depend on this */
+	for_each_intel_encoder(dev, encoder) {
+		enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
+
+		/* We need to sanitize only the MST primary port. */
+		if (encoder->type != INTEL_OUTPUT_DP_MST &&
+		    intel_phy_is_tc(dev_priv, phy))
+			intel_tc_port_sanitize(enc_to_dig_port(&encoder->base));
+	}
+
 	get_encoder_power_domains(dev_priv);
 
 	if (HAS_PCH_IBX(dev_priv))
@@ -16804,7 +17026,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev,
 		u64 put_domains;
 
 		crtc_state = to_intel_crtc_state(crtc->base.state);
-		put_domains = modeset_get_crtc_power_domains(&crtc->base, crtc_state);
+		put_domains = modeset_get_crtc_power_domains(crtc_state);
 		if (WARN_ON(put_domains))
 			modeset_put_power_domains(dev_priv, put_domains);
 	}
@@ -16866,7 +17088,7 @@ static void intel_hpd_poll_fini(struct drm_device *dev)
 	drm_connector_list_iter_end(&conn_iter);
 }
 
-void intel_modeset_cleanup(struct drm_device *dev)
+void intel_modeset_driver_remove(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = to_i915(dev);
 
@@ -16982,7 +17204,7 @@ struct intel_display_error_state {
 		u32 vtotal;
 		u32 vblank;
 		u32 vsync;
-	} transcoder[4];
+	} transcoder[5];
 };
 
 struct intel_display_error_state *
@@ -16993,6 +17215,7 @@ intel_display_capture_error_state(struct drm_i915_private *dev_priv)
 		TRANSCODER_A,
 		TRANSCODER_B,
 		TRANSCODER_C,
+		TRANSCODER_D,
 		TRANSCODER_EDP,
 	};
 	int i;
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index ee6b8194a459..d2c718f25478 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -45,6 +45,8 @@ enum i915_gpio {
 	GPIOK,
 	GPIOL,
 	GPIOM,
+	GPION,
+	GPIOO,
 };
 
 /*
@@ -58,6 +60,7 @@ enum pipe {
 	PIPE_A = 0,
 	PIPE_B,
 	PIPE_C,
+	PIPE_D,
 	_PIPE_EDP,
 
 	I915_MAX_PIPES = _PIPE_EDP
@@ -75,6 +78,7 @@ enum transcoder {
 	TRANSCODER_A = PIPE_A,
 	TRANSCODER_B = PIPE_B,
 	TRANSCODER_C = PIPE_C,
+	TRANSCODER_D = PIPE_D,
 
 	/*
 	 * The following transcoders can map to any pipe, their enum value
@@ -98,6 +102,8 @@ static inline const char *transcoder_name(enum transcoder transcoder)
 		return "B";
 	case TRANSCODER_C:
 		return "C";
+	case TRANSCODER_D:
+		return "D";
 	case TRANSCODER_EDP:
 		return "EDP";
 	case TRANSCODER_DSI_A:
@@ -173,6 +179,12 @@ static inline const char *port_identifier(enum port port)
 		return "Port E";
 	case PORT_F:
 		return "Port F";
+	case PORT_G:
+		return "Port G";
+	case PORT_H:
+		return "Port H";
+	case PORT_I:
+		return "Port I";
 	default:
 		return "<invalid>";
 	}
@@ -185,14 +197,15 @@ enum tc_port {
 	PORT_TC2,
 	PORT_TC3,
 	PORT_TC4,
+	PORT_TC5,
+	PORT_TC6,
 
 	I915_MAX_TC_PORTS
 };
 
-enum tc_port_type {
-	TC_PORT_UNKNOWN = 0,
-	TC_PORT_TYPEC,
-	TC_PORT_TBT,
+enum tc_port_mode {
+	TC_PORT_TBT_ALT,
+	TC_PORT_DP_ALT,
 	TC_PORT_LEGACY,
 };
 
@@ -229,6 +242,30 @@ struct intel_link_m_n {
 	u32 link_n;
 };
 
+enum phy {
+	PHY_NONE = -1,
+
+	PHY_A = 0,
+	PHY_B,
+	PHY_C,
+	PHY_D,
+	PHY_E,
+	PHY_F,
+	PHY_G,
+	PHY_H,
+	PHY_I,
+
+	I915_MAX_PHYS
+};
+
+#define phy_name(a) ((a) + 'A')
+
+enum phy_fia {
+	FIA1,
+	FIA2,
+	FIA3,
+};
+
 #define for_each_pipe(__dev_priv, __p) \
 	for ((__p) = 0; (__p) < INTEL_INFO(__dev_priv)->num_pipes; (__p)++)
 
@@ -254,6 +291,10 @@ struct intel_link_m_n {
 	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)	\
 		for_each_if((__ports_mask) & BIT(__port))
 
+#define for_each_phy_masked(__phy, __phys_mask) \
+	for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++)	\
+		for_each_if((__phys_mask) & BIT(__phy))
+
 #define for_each_crtc(dev, crtc) \
 	list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
 
@@ -357,5 +398,6 @@ void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv);
 u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
 			      u32 pixel_format, u64 modifier);
 bool intel_plane_can_remap(const struct intel_plane_state *plane_state);
+enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port);
 
 #endif
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 2d1939db108f..dd2a50b8ba0a 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -17,13 +17,17 @@
 #include "intel_drv.h"
 #include "intel_hotplug.h"
 #include "intel_sideband.h"
+#include "intel_tc.h"
 
 bool intel_display_power_well_is_enabled(struct drm_i915_private *dev_priv,
 					 enum i915_power_well_id power_well_id);
 
 const char *
-intel_display_power_domain_str(enum intel_display_power_domain domain)
+intel_display_power_domain_str(struct drm_i915_private *i915,
+			       enum intel_display_power_domain domain)
 {
+	bool ddi_tc_ports = IS_GEN(i915, 12);
+
 	switch (domain) {
 	case POWER_DOMAIN_DISPLAY_CORE:
 		return "DISPLAY_CORE";
@@ -33,22 +37,28 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
 		return "PIPE_B";
 	case POWER_DOMAIN_PIPE_C:
 		return "PIPE_C";
+	case POWER_DOMAIN_PIPE_D:
+		return "PIPE_D";
 	case POWER_DOMAIN_PIPE_A_PANEL_FITTER:
 		return "PIPE_A_PANEL_FITTER";
 	case POWER_DOMAIN_PIPE_B_PANEL_FITTER:
 		return "PIPE_B_PANEL_FITTER";
 	case POWER_DOMAIN_PIPE_C_PANEL_FITTER:
 		return "PIPE_C_PANEL_FITTER";
+	case POWER_DOMAIN_PIPE_D_PANEL_FITTER:
+		return "PIPE_D_PANEL_FITTER";
 	case POWER_DOMAIN_TRANSCODER_A:
 		return "TRANSCODER_A";
 	case POWER_DOMAIN_TRANSCODER_B:
 		return "TRANSCODER_B";
 	case POWER_DOMAIN_TRANSCODER_C:
 		return "TRANSCODER_C";
+	case POWER_DOMAIN_TRANSCODER_D:
+		return "TRANSCODER_D";
 	case POWER_DOMAIN_TRANSCODER_EDP:
 		return "TRANSCODER_EDP";
-	case POWER_DOMAIN_TRANSCODER_EDP_VDSC:
-		return "TRANSCODER_EDP_VDSC";
+	case POWER_DOMAIN_TRANSCODER_VDSC_PW2:
+		return "TRANSCODER_VDSC_PW2";
 	case POWER_DOMAIN_TRANSCODER_DSI_A:
 		return "TRANSCODER_DSI_A";
 	case POWER_DOMAIN_TRANSCODER_DSI_C:
@@ -60,11 +70,23 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
 	case POWER_DOMAIN_PORT_DDI_C_LANES:
 		return "PORT_DDI_C_LANES";
 	case POWER_DOMAIN_PORT_DDI_D_LANES:
-		return "PORT_DDI_D_LANES";
+		BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_D_LANES !=
+			     POWER_DOMAIN_PORT_DDI_TC1_LANES);
+		return ddi_tc_ports ? "PORT_DDI_TC1_LANES" : "PORT_DDI_D_LANES";
 	case POWER_DOMAIN_PORT_DDI_E_LANES:
-		return "PORT_DDI_E_LANES";
+		BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_E_LANES !=
+			     POWER_DOMAIN_PORT_DDI_TC2_LANES);
+		return ddi_tc_ports ? "PORT_DDI_TC2_LANES" : "PORT_DDI_E_LANES";
 	case POWER_DOMAIN_PORT_DDI_F_LANES:
-		return "PORT_DDI_F_LANES";
+		BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_F_LANES !=
+			     POWER_DOMAIN_PORT_DDI_TC3_LANES);
+		return ddi_tc_ports ? "PORT_DDI_TC3_LANES" : "PORT_DDI_F_LANES";
+	case POWER_DOMAIN_PORT_DDI_TC4_LANES:
+		return "PORT_DDI_TC4_LANES";
+	case POWER_DOMAIN_PORT_DDI_TC5_LANES:
+		return "PORT_DDI_TC5_LANES";
+	case POWER_DOMAIN_PORT_DDI_TC6_LANES:
+		return "PORT_DDI_TC6_LANES";
 	case POWER_DOMAIN_PORT_DDI_A_IO:
 		return "PORT_DDI_A_IO";
 	case POWER_DOMAIN_PORT_DDI_B_IO:
@@ -72,11 +94,23 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
 	case POWER_DOMAIN_PORT_DDI_C_IO:
 		return "PORT_DDI_C_IO";
 	case POWER_DOMAIN_PORT_DDI_D_IO:
-		return "PORT_DDI_D_IO";
+		BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_D_IO !=
+			     POWER_DOMAIN_PORT_DDI_TC1_IO);
+		return ddi_tc_ports ? "PORT_DDI_TC1_IO" : "PORT_DDI_D_IO";
 	case POWER_DOMAIN_PORT_DDI_E_IO:
-		return "PORT_DDI_E_IO";
+		BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_E_IO !=
+			     POWER_DOMAIN_PORT_DDI_TC2_IO);
+		return ddi_tc_ports ? "PORT_DDI_TC2_IO" : "PORT_DDI_E_IO";
 	case POWER_DOMAIN_PORT_DDI_F_IO:
-		return "PORT_DDI_F_IO";
+		BUILD_BUG_ON(POWER_DOMAIN_PORT_DDI_F_IO !=
+			     POWER_DOMAIN_PORT_DDI_TC3_IO);
+		return ddi_tc_ports ? "PORT_DDI_TC3_IO" : "PORT_DDI_F_IO";
+	case POWER_DOMAIN_PORT_DDI_TC4_IO:
+		return "PORT_DDI_TC4_IO";
+	case POWER_DOMAIN_PORT_DDI_TC5_IO:
+		return "PORT_DDI_TC5_IO";
+	case POWER_DOMAIN_PORT_DDI_TC6_IO:
+		return "PORT_DDI_TC6_IO";
 	case POWER_DOMAIN_PORT_DSI:
 		return "PORT_DSI";
 	case POWER_DOMAIN_PORT_CRT:
@@ -94,11 +128,20 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
 	case POWER_DOMAIN_AUX_C:
 		return "AUX_C";
 	case POWER_DOMAIN_AUX_D:
-		return "AUX_D";
+		BUILD_BUG_ON(POWER_DOMAIN_AUX_D != POWER_DOMAIN_AUX_TC1);
+		return ddi_tc_ports ? "AUX_TC1" : "AUX_D";
 	case POWER_DOMAIN_AUX_E:
-		return "AUX_E";
+		BUILD_BUG_ON(POWER_DOMAIN_AUX_E != POWER_DOMAIN_AUX_TC2);
+		return ddi_tc_ports ? "AUX_TC2" : "AUX_E";
 	case POWER_DOMAIN_AUX_F:
-		return "AUX_F";
+		BUILD_BUG_ON(POWER_DOMAIN_AUX_F != POWER_DOMAIN_AUX_TC3);
+		return ddi_tc_ports ? "AUX_TC3" : "AUX_F";
+	case POWER_DOMAIN_AUX_TC4:
+		return "AUX_TC4";
+	case POWER_DOMAIN_AUX_TC5:
+		return "AUX_TC5";
+	case POWER_DOMAIN_AUX_TC6:
+		return "AUX_TC6";
 	case POWER_DOMAIN_AUX_IO_A:
 		return "AUX_IO_A";
 	case POWER_DOMAIN_AUX_TBT1:
@@ -109,6 +152,10 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
 		return "AUX_TBT3";
 	case POWER_DOMAIN_AUX_TBT4:
 		return "AUX_TBT4";
+	case POWER_DOMAIN_AUX_TBT5:
+		return "AUX_TBT5";
+	case POWER_DOMAIN_AUX_TBT6:
+		return "AUX_TBT6";
 	case POWER_DOMAIN_GMBUS:
 		return "GMBUS";
 	case POWER_DOMAIN_INIT:
@@ -117,6 +164,8 @@ intel_display_power_domain_str(enum intel_display_power_domain domain)
 		return "MODESET";
 	case POWER_DOMAIN_GT_IRQ:
 		return "GT_IRQ";
+	case POWER_DOMAIN_DPLL_DC_OFF:
+		return "DPLL_DC_OFF";
 	default:
 		MISSING_CASE(domain);
 		return "?";
@@ -269,11 +318,17 @@ static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv,
 	int pw_idx = power_well->desc->hsw.idx;
 
 	/* Timeout for PW1:10 us, AUX:not specified, other PWs:20 us. */
-	WARN_ON(intel_wait_for_register(&dev_priv->uncore,
-					regs->driver,
-					HSW_PWR_WELL_CTL_STATE(pw_idx),
-					HSW_PWR_WELL_CTL_STATE(pw_idx),
-					1));
+	if (intel_wait_for_register(&dev_priv->uncore,
+				    regs->driver,
+				    HSW_PWR_WELL_CTL_STATE(pw_idx),
+				    HSW_PWR_WELL_CTL_STATE(pw_idx),
+				    1)) {
+		DRM_DEBUG_KMS("%s power well enable timeout\n",
+			      power_well->desc->name);
+
+		/* An AUX timeout is expected if the TBT DP tunnel is down. */
+		WARN_ON(!power_well->desc->hsw.is_tc_tbt);
+	}
 }
 
 static u32 hsw_power_well_requesters(struct drm_i915_private *dev_priv,
@@ -388,7 +443,7 @@ static void hsw_power_well_disable(struct drm_i915_private *dev_priv,
 	hsw_wait_for_power_well_disable(dev_priv, power_well);
 }
 
-#define ICL_AUX_PW_TO_PORT(pw_idx)	((pw_idx) - ICL_PW_CTL_IDX_AUX_A)
+#define ICL_AUX_PW_TO_PHY(pw_idx)	((pw_idx) - ICL_PW_CTL_IDX_AUX_A)
 
 static void
 icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
@@ -396,21 +451,29 @@ icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
 {
 	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
 	int pw_idx = power_well->desc->hsw.idx;
-	enum port port = ICL_AUX_PW_TO_PORT(pw_idx);
+	enum phy phy = ICL_AUX_PW_TO_PHY(pw_idx);
 	u32 val;
+	int wa_idx_max;
 
 	val = I915_READ(regs->driver);
 	I915_WRITE(regs->driver, val | HSW_PWR_WELL_CTL_REQ(pw_idx));
 
-	val = I915_READ(ICL_PORT_CL_DW12(port));
-	I915_WRITE(ICL_PORT_CL_DW12(port), val | ICL_LANE_ENABLE_AUX);
+	if (INTEL_GEN(dev_priv) < 12) {
+		val = I915_READ(ICL_PORT_CL_DW12(phy));
+		I915_WRITE(ICL_PORT_CL_DW12(phy), val | ICL_LANE_ENABLE_AUX);
+	}
 
 	hsw_wait_for_power_well_enable(dev_priv, power_well);
 
-	/* Display WA #1178: icl */
-	if (IS_ICELAKE(dev_priv) &&
-	    pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= ICL_PW_CTL_IDX_AUX_B &&
-	    !intel_bios_is_port_edp(dev_priv, port)) {
+	/* Display WA #1178: icl, tgl */
+	if (IS_TIGERLAKE(dev_priv))
+		wa_idx_max = ICL_PW_CTL_IDX_AUX_C;
+	else
+		wa_idx_max = ICL_PW_CTL_IDX_AUX_B;
+
+	if (!IS_ELKHARTLAKE(dev_priv) &&
+	    pw_idx >= ICL_PW_CTL_IDX_AUX_A && pw_idx <= wa_idx_max &&
+	    !intel_bios_is_port_edp(dev_priv, (enum port)phy)) {
 		val = I915_READ(ICL_AUX_ANAOVRD1(pw_idx));
 		val |= ICL_AUX_ANAOVRD1_ENABLE | ICL_AUX_ANAOVRD1_LDO_BYPASS;
 		I915_WRITE(ICL_AUX_ANAOVRD1(pw_idx), val);
@@ -423,11 +486,13 @@ icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv,
 {
 	const struct i915_power_well_regs *regs = power_well->desc->hsw.regs;
 	int pw_idx = power_well->desc->hsw.idx;
-	enum port port = ICL_AUX_PW_TO_PORT(pw_idx);
+	enum phy phy = ICL_AUX_PW_TO_PHY(pw_idx);
 	u32 val;
 
-	val = I915_READ(ICL_PORT_CL_DW12(port));
-	I915_WRITE(ICL_PORT_CL_DW12(port), val & ~ICL_LANE_ENABLE_AUX);
+	if (INTEL_GEN(dev_priv) < 12) {
+		val = I915_READ(ICL_PORT_CL_DW12(phy));
+		I915_WRITE(ICL_PORT_CL_DW12(phy), val & ~ICL_LANE_ENABLE_AUX);
+	}
 
 	val = I915_READ(regs->driver);
 	I915_WRITE(regs->driver, val & ~HSW_PWR_WELL_CTL_REQ(pw_idx));
@@ -441,26 +506,108 @@ icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv,
 #define ICL_TBT_AUX_PW_TO_CH(pw_idx)	\
 	((pw_idx) - ICL_PW_CTL_IDX_AUX_TBT1 + AUX_CH_C)
 
+static enum aux_ch icl_tc_phy_aux_ch(struct drm_i915_private *dev_priv,
+				     struct i915_power_well *power_well)
+{
+	int pw_idx = power_well->desc->hsw.idx;
+
+	return power_well->desc->hsw.is_tc_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) :
+						 ICL_AUX_PW_TO_CH(pw_idx);
+}
+
+#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
+
+static u64 async_put_domains_mask(struct i915_power_domains *power_domains);
+
+static int power_well_async_ref_count(struct drm_i915_private *dev_priv,
+				      struct i915_power_well *power_well)
+{
+	int refs = hweight64(power_well->desc->domains &
+			     async_put_domains_mask(&dev_priv->power_domains));
+
+	WARN_ON(refs > power_well->count);
+
+	return refs;
+}
+
+static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
+					struct i915_power_well *power_well)
+{
+	enum aux_ch aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well);
+	struct intel_digital_port *dig_port = NULL;
+	struct intel_encoder *encoder;
+
+	/* Bypass the check if all references are released asynchronously */
+	if (power_well_async_ref_count(dev_priv, power_well) ==
+	    power_well->count)
+		return;
+
+	aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well);
+
+	for_each_intel_encoder(&dev_priv->drm, encoder) {
+		enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
+
+		if (!intel_phy_is_tc(dev_priv, phy))
+			continue;
+
+		/* We'll check the MST primary port */
+		if (encoder->type == INTEL_OUTPUT_DP_MST)
+			continue;
+
+		dig_port = enc_to_dig_port(&encoder->base);
+		if (WARN_ON(!dig_port))
+			continue;
+
+		if (dig_port->aux_ch != aux_ch) {
+			dig_port = NULL;
+			continue;
+		}
+
+		break;
+	}
+
+	if (WARN_ON(!dig_port))
+		return;
+
+	WARN_ON(!intel_tc_port_ref_held(dig_port));
+}
+
+#else
+
+static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
+					struct i915_power_well *power_well)
+{
+}
+
+#endif
+
 static void
 icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
 				 struct i915_power_well *power_well)
 {
-	int pw_idx = power_well->desc->hsw.idx;
-	bool is_tbt = power_well->desc->hsw.is_tc_tbt;
-	enum aux_ch aux_ch;
+	enum aux_ch aux_ch = icl_tc_phy_aux_ch(dev_priv, power_well);
 	u32 val;
 
-	aux_ch = is_tbt ? ICL_TBT_AUX_PW_TO_CH(pw_idx) :
-			  ICL_AUX_PW_TO_CH(pw_idx);
+	icl_tc_port_assert_ref_held(dev_priv, power_well);
+
 	val = I915_READ(DP_AUX_CH_CTL(aux_ch));
 	val &= ~DP_AUX_CH_CTL_TBT_IO;
-	if (is_tbt)
+	if (power_well->desc->hsw.is_tc_tbt)
 		val |= DP_AUX_CH_CTL_TBT_IO;
 	I915_WRITE(DP_AUX_CH_CTL(aux_ch), val);
 
 	hsw_power_well_enable(dev_priv, power_well);
 }
 
+static void
+icl_tc_phy_aux_power_well_disable(struct drm_i915_private *dev_priv,
+				  struct i915_power_well *power_well)
+{
+	icl_tc_port_assert_ref_held(dev_priv, power_well);
+
+	hsw_power_well_disable(dev_priv, power_well);
+}
+
 /*
  * We should only use the power well if we explicitly asked the hardware to
  * enable it, so check if it's enabled and also check if we've requested it to
@@ -1071,7 +1218,7 @@ static void vlv_display_power_well_deinit(struct drm_i915_private *dev_priv)
 	spin_unlock_irq(&dev_priv->irq_lock);
 
 	/* make sure we're done processing display irqs */
-	synchronize_irq(dev_priv->drm.irq);
+	intel_synchronize_irq(dev_priv);
 
 	intel_power_sequencer_reset(dev_priv);
 
@@ -1575,12 +1722,15 @@ __async_put_domains_state_ok(struct i915_power_domains *power_domains)
 static void print_power_domains(struct i915_power_domains *power_domains,
 				const char *prefix, u64 mask)
 {
+	struct drm_i915_private *i915 =
+		container_of(power_domains, struct drm_i915_private,
+			     power_domains);
 	enum intel_display_power_domain domain;
 
 	DRM_DEBUG_DRIVER("%s (%lu):\n", prefix, hweight64(mask));
 	for_each_power_domain(domain, mask)
 		DRM_DEBUG_DRIVER("%s use_count %d\n",
-				 intel_display_power_domain_str(domain),
+				 intel_display_power_domain_str(i915, domain),
 				 power_domains->domain_use_count[domain]);
 }
 
@@ -1750,7 +1900,7 @@ __intel_display_power_put_domain(struct drm_i915_private *dev_priv,
 {
 	struct i915_power_domains *power_domains;
 	struct i915_power_well *power_well;
-	const char *name = intel_display_power_domain_str(domain);
+	const char *name = intel_display_power_domain_str(dev_priv, domain);
 
 	power_domains = &dev_priv->power_domains;
 
@@ -2359,7 +2509,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 	 */
 #define ICL_PW_2_POWER_DOMAINS (			\
 	ICL_PW_3_POWER_DOMAINS |			\
-	BIT_ULL(POWER_DOMAIN_TRANSCODER_EDP_VDSC) |		\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) |		\
 	BIT_ULL(POWER_DOMAIN_INIT))
 	/*
 	 * - KVMR (HW control)
@@ -2368,6 +2518,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 	ICL_PW_2_POWER_DOMAINS |			\
 	BIT_ULL(POWER_DOMAIN_MODESET) |			\
 	BIT_ULL(POWER_DOMAIN_AUX_A) |			\
+	BIT_ULL(POWER_DOMAIN_DPLL_DC_OFF) |			\
 	BIT_ULL(POWER_DOMAIN_INIT))
 
 #define ICL_DDI_IO_A_POWER_DOMAINS (			\
@@ -2405,6 +2556,93 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
 #define ICL_AUX_TBT4_IO_POWER_DOMAINS (			\
 	BIT_ULL(POWER_DOMAIN_AUX_TBT4))
 
+#define TGL_PW_5_POWER_DOMAINS (			\
+	BIT_ULL(POWER_DOMAIN_PIPE_D) |			\
+	BIT_ULL(POWER_DOMAIN_PIPE_D_PANEL_FITTER) |     \
+	BIT_ULL(POWER_DOMAIN_INIT))
+
+#define TGL_PW_4_POWER_DOMAINS (			\
+	TGL_PW_5_POWER_DOMAINS |			\
+	BIT_ULL(POWER_DOMAIN_PIPE_C) |			\
+	BIT_ULL(POWER_DOMAIN_PIPE_C_PANEL_FITTER) |	\
+	BIT_ULL(POWER_DOMAIN_INIT))
+
+#define TGL_PW_3_POWER_DOMAINS (			\
+	TGL_PW_4_POWER_DOMAINS |			\
+	BIT_ULL(POWER_DOMAIN_PIPE_B) |			\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_B) |		\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_C) |		\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_D) |		\
+	BIT_ULL(POWER_DOMAIN_PIPE_B_PANEL_FITTER) |	\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC1_LANES) |	\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC1_IO) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC2_LANES) |	\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC2_IO) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC3_LANES) |	\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC3_IO) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC4_LANES) |	\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC4_IO) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC5_LANES) |	\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC5_IO) |		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC6_LANES) |	\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC6_IO) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC1) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC2) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC3) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC4) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC5) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC6) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TBT1) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TBT2) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TBT3) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TBT4) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TBT5) |		\
+	BIT_ULL(POWER_DOMAIN_AUX_TBT6) |		\
+	BIT_ULL(POWER_DOMAIN_VGA) |			\
+	BIT_ULL(POWER_DOMAIN_AUDIO) |			\
+	BIT_ULL(POWER_DOMAIN_INIT))
+
+#define TGL_PW_2_POWER_DOMAINS (			\
+	TGL_PW_3_POWER_DOMAINS |			\
+	BIT_ULL(POWER_DOMAIN_TRANSCODER_VDSC_PW2) |	\
+	BIT_ULL(POWER_DOMAIN_INIT))
+
+#define TGL_DISPLAY_DC_OFF_POWER_DOMAINS (		\
+	TGL_PW_2_POWER_DOMAINS |			\
+	BIT_ULL(POWER_DOMAIN_MODESET) |			\
+	BIT_ULL(POWER_DOMAIN_AUX_A) |			\
+	BIT_ULL(POWER_DOMAIN_INIT))
+
+#define TGL_DDI_IO_TC1_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC1_IO))
+#define TGL_DDI_IO_TC2_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC2_IO))
+#define TGL_DDI_IO_TC3_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC3_IO))
+#define TGL_DDI_IO_TC4_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC4_IO))
+#define TGL_DDI_IO_TC5_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC5_IO))
+#define TGL_DDI_IO_TC6_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_PORT_DDI_TC6_IO))
+
+#define TGL_AUX_TC1_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC1))
+#define TGL_AUX_TC2_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC2))
+#define TGL_AUX_TC3_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC3))
+#define TGL_AUX_TC4_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC4))
+#define TGL_AUX_TC5_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC5))
+#define TGL_AUX_TC6_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_TC6))
+#define TGL_AUX_TBT5_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_TBT5))
+#define TGL_AUX_TBT6_IO_POWER_DOMAINS (		\
+	BIT_ULL(POWER_DOMAIN_AUX_TBT6))
+
 static const struct i915_power_well_ops i9xx_always_on_power_well_ops = {
 	.sync_hw = i9xx_power_well_sync_hw_noop,
 	.enable = i9xx_always_on_power_well_noop,
@@ -3113,7 +3351,7 @@ static const struct i915_power_well_ops icl_combo_phy_aux_power_well_ops = {
 static const struct i915_power_well_ops icl_tc_phy_aux_power_well_ops = {
 	.sync_hw = hsw_power_well_sync_hw,
 	.enable = icl_tc_phy_aux_power_well_enable,
-	.disable = hsw_power_well_disable,
+	.disable = icl_tc_phy_aux_power_well_disable,
 	.is_enabled = hsw_power_well_enabled,
 };
 
@@ -3362,6 +3600,335 @@ static const struct i915_power_well_desc icl_power_wells[] = {
 	},
 };
 
+static const struct i915_power_well_desc tgl_power_wells[] = {
+	{
+		.name = "always-on",
+		.always_on = true,
+		.domains = POWER_DOMAIN_MASK,
+		.ops = &i9xx_always_on_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+	},
+	{
+		.name = "power well 1",
+		/* Handled by the DMC firmware */
+		.always_on = true,
+		.domains = 0,
+		.ops = &hsw_power_well_ops,
+		.id = SKL_DISP_PW_1,
+		{
+			.hsw.regs = &hsw_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_PW_1,
+			.hsw.has_fuses = true,
+		},
+	},
+	{
+		.name = "DC off",
+		.domains = TGL_DISPLAY_DC_OFF_POWER_DOMAINS,
+		.ops = &gen9_dc_off_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+	},
+	{
+		.name = "power well 2",
+		.domains = TGL_PW_2_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = SKL_DISP_PW_2,
+		{
+			.hsw.regs = &hsw_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_PW_2,
+			.hsw.has_fuses = true,
+		},
+	},
+	{
+		.name = "power well 3",
+		.domains = TGL_PW_3_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &hsw_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_PW_3,
+			.hsw.irq_pipe_mask = BIT(PIPE_B),
+			.hsw.has_vga = true,
+			.hsw.has_fuses = true,
+		},
+	},
+	{
+		.name = "DDI A IO",
+		.domains = ICL_DDI_IO_A_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_ddi_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_DDI_A,
+		}
+	},
+	{
+		.name = "DDI B IO",
+		.domains = ICL_DDI_IO_B_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_ddi_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_DDI_B,
+		}
+	},
+	{
+		.name = "DDI C IO",
+		.domains = ICL_DDI_IO_C_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_ddi_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_DDI_C,
+		}
+	},
+	{
+		.name = "DDI TC1 IO",
+		.domains = TGL_DDI_IO_TC1_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_ddi_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC1,
+		},
+	},
+	{
+		.name = "DDI TC2 IO",
+		.domains = TGL_DDI_IO_TC2_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_ddi_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC2,
+		},
+	},
+	{
+		.name = "DDI TC3 IO",
+		.domains = TGL_DDI_IO_TC3_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_ddi_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC3,
+		},
+	},
+	{
+		.name = "DDI TC4 IO",
+		.domains = TGL_DDI_IO_TC4_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_ddi_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC4,
+		},
+	},
+	{
+		.name = "DDI TC5 IO",
+		.domains = TGL_DDI_IO_TC5_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_ddi_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC5,
+		},
+	},
+	{
+		.name = "DDI TC6 IO",
+		.domains = TGL_DDI_IO_TC6_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_ddi_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_DDI_TC6,
+		},
+	},
+	{
+		.name = "AUX A",
+		.domains = ICL_AUX_A_IO_POWER_DOMAINS,
+		.ops = &icl_combo_phy_aux_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_AUX_A,
+		},
+	},
+	{
+		.name = "AUX B",
+		.domains = ICL_AUX_B_IO_POWER_DOMAINS,
+		.ops = &icl_combo_phy_aux_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_AUX_B,
+		},
+	},
+	{
+		.name = "AUX C",
+		.domains = ICL_AUX_C_IO_POWER_DOMAINS,
+		.ops = &icl_combo_phy_aux_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_AUX_C,
+		},
+	},
+	{
+		.name = "AUX TC1",
+		.domains = TGL_AUX_TC1_IO_POWER_DOMAINS,
+		.ops = &icl_tc_phy_aux_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC1,
+			.hsw.is_tc_tbt = false,
+		},
+	},
+	{
+		.name = "AUX TC2",
+		.domains = TGL_AUX_TC2_IO_POWER_DOMAINS,
+		.ops = &icl_tc_phy_aux_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC2,
+			.hsw.is_tc_tbt = false,
+		},
+	},
+	{
+		.name = "AUX TC3",
+		.domains = TGL_AUX_TC3_IO_POWER_DOMAINS,
+		.ops = &icl_tc_phy_aux_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC3,
+			.hsw.is_tc_tbt = false,
+		},
+	},
+	{
+		.name = "AUX TC4",
+		.domains = TGL_AUX_TC4_IO_POWER_DOMAINS,
+		.ops = &icl_tc_phy_aux_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC4,
+			.hsw.is_tc_tbt = false,
+		},
+	},
+	{
+		.name = "AUX TC5",
+		.domains = TGL_AUX_TC5_IO_POWER_DOMAINS,
+		.ops = &icl_tc_phy_aux_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC5,
+			.hsw.is_tc_tbt = false,
+		},
+	},
+	{
+		.name = "AUX TC6",
+		.domains = TGL_AUX_TC6_IO_POWER_DOMAINS,
+		.ops = &icl_tc_phy_aux_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TC6,
+			.hsw.is_tc_tbt = false,
+		},
+	},
+	{
+		.name = "AUX TBT1",
+		.domains = ICL_AUX_TBT1_IO_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT1,
+			.hsw.is_tc_tbt = true,
+		},
+	},
+	{
+		.name = "AUX TBT2",
+		.domains = ICL_AUX_TBT2_IO_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT2,
+			.hsw.is_tc_tbt = true,
+		},
+	},
+	{
+		.name = "AUX TBT3",
+		.domains = ICL_AUX_TBT3_IO_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT3,
+			.hsw.is_tc_tbt = true,
+		},
+	},
+	{
+		.name = "AUX TBT4",
+		.domains = ICL_AUX_TBT4_IO_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT4,
+			.hsw.is_tc_tbt = true,
+		},
+	},
+	{
+		.name = "AUX TBT5",
+		.domains = TGL_AUX_TBT5_IO_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT5,
+			.hsw.is_tc_tbt = true,
+		},
+	},
+	{
+		.name = "AUX TBT6",
+		.domains = TGL_AUX_TBT6_IO_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &icl_aux_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_AUX_TBT6,
+			.hsw.is_tc_tbt = true,
+		},
+	},
+	{
+		.name = "power well 4",
+		.domains = TGL_PW_4_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &hsw_power_well_regs,
+			.hsw.idx = ICL_PW_CTL_IDX_PW_4,
+			.hsw.has_fuses = true,
+			.hsw.irq_pipe_mask = BIT(PIPE_C),
+		}
+	},
+	{
+		.name = "power well 5",
+		.domains = TGL_PW_5_POWER_DOMAINS,
+		.ops = &hsw_power_well_ops,
+		.id = DISP_PW_ID_NONE,
+		{
+			.hsw.regs = &hsw_power_well_regs,
+			.hsw.idx = TGL_PW_CTL_IDX_PW_5,
+			.hsw.has_fuses = true,
+			.hsw.irq_pipe_mask = BIT(PIPE_D),
+		},
+	},
+};
+
 static int
 sanitize_disable_power_well_option(const struct drm_i915_private *dev_priv,
 				   int disable_power_well)
@@ -3489,7 +4056,9 @@ int intel_power_domains_init(struct drm_i915_private *dev_priv)
 	 * The enabling order will be from lower to higher indexed wells,
 	 * the disabling order is reversed.
 	 */
-	if (IS_GEN(dev_priv, 11)) {
+	if (IS_GEN(dev_priv, 12)) {
+		err = set_power_wells(power_domains, tgl_power_wells);
+	} else if (IS_GEN(dev_priv, 11)) {
 		err = set_power_wells(power_domains, icl_power_wells);
 	} else if (IS_CANNONLAKE(dev_priv)) {
 		err = set_power_wells(power_domains, cnl_power_wells);
@@ -4337,7 +4906,7 @@ static void intel_power_domains_verify_state(struct drm_i915_private *dev_priv);
  *
  * It will return with power domains disabled (to be enabled later by
  * intel_power_domains_enable()) and must be paired with
- * intel_power_domains_fini_hw().
+ * intel_power_domains_driver_remove().
  */
 void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume)
 {
@@ -4389,7 +4958,7 @@ void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume)
 }
 
 /**
- * intel_power_domains_fini_hw - deinitialize hw power domain state
+ * intel_power_domains_driver_remove - deinitialize hw power domain state
  * @i915: i915 device instance
  *
  * De-initializes the display power domain HW state. It also ensures that the
@@ -4399,7 +4968,7 @@ void intel_power_domains_init_hw(struct drm_i915_private *i915, bool resume)
  * intel_power_domains_disable()) and must be paired with
  * intel_power_domains_init_hw().
  */
-void intel_power_domains_fini_hw(struct drm_i915_private *i915)
+void intel_power_domains_driver_remove(struct drm_i915_private *i915)
 {
 	intel_wakeref_t wakeref __maybe_unused =
 		fetch_and_zero(&i915->power_domains.wakeref);
@@ -4553,7 +5122,8 @@ static void intel_power_domains_dump_info(struct drm_i915_private *i915)
 
 		for_each_power_domain(domain, power_well->desc->domains)
 			DRM_DEBUG_DRIVER("  %-23s %d\n",
-					 intel_display_power_domain_str(domain),
+					 intel_display_power_domain_str(i915,
+									domain),
 					 power_domains->domain_use_count[domain]);
 	}
 }
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index ff57b0a7fe59..e4d2c1ba24b0 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -18,28 +18,47 @@ enum intel_display_power_domain {
 	POWER_DOMAIN_PIPE_A,
 	POWER_DOMAIN_PIPE_B,
 	POWER_DOMAIN_PIPE_C,
+	POWER_DOMAIN_PIPE_D,
 	POWER_DOMAIN_PIPE_A_PANEL_FITTER,
 	POWER_DOMAIN_PIPE_B_PANEL_FITTER,
 	POWER_DOMAIN_PIPE_C_PANEL_FITTER,
+	POWER_DOMAIN_PIPE_D_PANEL_FITTER,
 	POWER_DOMAIN_TRANSCODER_A,
 	POWER_DOMAIN_TRANSCODER_B,
 	POWER_DOMAIN_TRANSCODER_C,
+	POWER_DOMAIN_TRANSCODER_D,
 	POWER_DOMAIN_TRANSCODER_EDP,
-	POWER_DOMAIN_TRANSCODER_EDP_VDSC,
+	/* VDSC/joining for TRANSCODER_EDP (ICL) or TRANSCODER_A (TGL) */
+	POWER_DOMAIN_TRANSCODER_VDSC_PW2,
 	POWER_DOMAIN_TRANSCODER_DSI_A,
 	POWER_DOMAIN_TRANSCODER_DSI_C,
 	POWER_DOMAIN_PORT_DDI_A_LANES,
 	POWER_DOMAIN_PORT_DDI_B_LANES,
 	POWER_DOMAIN_PORT_DDI_C_LANES,
 	POWER_DOMAIN_PORT_DDI_D_LANES,
+	POWER_DOMAIN_PORT_DDI_TC1_LANES = POWER_DOMAIN_PORT_DDI_D_LANES,
 	POWER_DOMAIN_PORT_DDI_E_LANES,
+	POWER_DOMAIN_PORT_DDI_TC2_LANES = POWER_DOMAIN_PORT_DDI_E_LANES,
 	POWER_DOMAIN_PORT_DDI_F_LANES,
+	POWER_DOMAIN_PORT_DDI_TC3_LANES = POWER_DOMAIN_PORT_DDI_F_LANES,
+	POWER_DOMAIN_PORT_DDI_TC4_LANES,
+	POWER_DOMAIN_PORT_DDI_TC5_LANES,
+	POWER_DOMAIN_PORT_DDI_TC6_LANES,
 	POWER_DOMAIN_PORT_DDI_A_IO,
 	POWER_DOMAIN_PORT_DDI_B_IO,
 	POWER_DOMAIN_PORT_DDI_C_IO,
 	POWER_DOMAIN_PORT_DDI_D_IO,
+	POWER_DOMAIN_PORT_DDI_TC1_IO = POWER_DOMAIN_PORT_DDI_D_IO,
 	POWER_DOMAIN_PORT_DDI_E_IO,
+	POWER_DOMAIN_PORT_DDI_TC2_IO = POWER_DOMAIN_PORT_DDI_E_IO,
 	POWER_DOMAIN_PORT_DDI_F_IO,
+	POWER_DOMAIN_PORT_DDI_TC3_IO = POWER_DOMAIN_PORT_DDI_F_IO,
+	POWER_DOMAIN_PORT_DDI_G_IO,
+	POWER_DOMAIN_PORT_DDI_TC4_IO = POWER_DOMAIN_PORT_DDI_G_IO,
+	POWER_DOMAIN_PORT_DDI_H_IO,
+	POWER_DOMAIN_PORT_DDI_TC5_IO = POWER_DOMAIN_PORT_DDI_H_IO,
+	POWER_DOMAIN_PORT_DDI_I_IO,
+	POWER_DOMAIN_PORT_DDI_TC6_IO = POWER_DOMAIN_PORT_DDI_I_IO,
 	POWER_DOMAIN_PORT_DSI,
 	POWER_DOMAIN_PORT_CRT,
 	POWER_DOMAIN_PORT_OTHER,
@@ -49,16 +68,25 @@ enum intel_display_power_domain {
 	POWER_DOMAIN_AUX_B,
 	POWER_DOMAIN_AUX_C,
 	POWER_DOMAIN_AUX_D,
+	POWER_DOMAIN_AUX_TC1 = POWER_DOMAIN_AUX_D,
 	POWER_DOMAIN_AUX_E,
+	POWER_DOMAIN_AUX_TC2 = POWER_DOMAIN_AUX_E,
 	POWER_DOMAIN_AUX_F,
+	POWER_DOMAIN_AUX_TC3 = POWER_DOMAIN_AUX_F,
+	POWER_DOMAIN_AUX_TC4,
+	POWER_DOMAIN_AUX_TC5,
+	POWER_DOMAIN_AUX_TC6,
 	POWER_DOMAIN_AUX_IO_A,
 	POWER_DOMAIN_AUX_TBT1,
 	POWER_DOMAIN_AUX_TBT2,
 	POWER_DOMAIN_AUX_TBT3,
 	POWER_DOMAIN_AUX_TBT4,
+	POWER_DOMAIN_AUX_TBT5,
+	POWER_DOMAIN_AUX_TBT6,
 	POWER_DOMAIN_GMBUS,
 	POWER_DOMAIN_MODESET,
 	POWER_DOMAIN_GT_IRQ,
+	POWER_DOMAIN_DPLL_DC_OFF,
 	POWER_DOMAIN_INIT,
 
 	POWER_DOMAIN_NUM,
@@ -213,7 +241,7 @@ void gen9_enable_dc5(struct drm_i915_private *dev_priv);
 int intel_power_domains_init(struct drm_i915_private *dev_priv);
 void intel_power_domains_cleanup(struct drm_i915_private *dev_priv);
 void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume);
-void intel_power_domains_fini_hw(struct drm_i915_private *dev_priv);
+void intel_power_domains_driver_remove(struct drm_i915_private *dev_priv);
 void icl_display_core_init(struct drm_i915_private *dev_priv, bool resume);
 void icl_display_core_uninit(struct drm_i915_private *dev_priv);
 void intel_power_domains_enable(struct drm_i915_private *dev_priv);
@@ -227,7 +255,8 @@ void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume);
 void bxt_display_core_uninit(struct drm_i915_private *dev_priv);
 
 const char *
-intel_display_power_domain_str(enum intel_display_power_domain domain);
+intel_display_power_domain_str(struct drm_i915_private *i915,
+			       enum intel_display_power_domain domain);
 
 bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
 				    enum intel_display_power_domain domain);
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index d0fc34826771..0eb5d66f87a7 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -62,6 +62,7 @@
 #include "intel_panel.h"
 #include "intel_psr.h"
 #include "intel_sideband.h"
+#include "intel_tc.h"
 #include "intel_vdsc.h"
 
 #define DP_DPRX_ESI_LEN 14
@@ -211,47 +212,13 @@ static int intel_dp_max_common_rate(struct intel_dp *intel_dp)
 	return intel_dp->common_rates[intel_dp->num_common_rates - 1];
 }
 
-static int intel_dp_get_fia_supported_lane_count(struct intel_dp *intel_dp)
-{
-	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
-	struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
-	enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port);
-	intel_wakeref_t wakeref;
-	u32 lane_info;
-
-	if (tc_port == PORT_TC_NONE || dig_port->tc_type != TC_PORT_TYPEC)
-		return 4;
-
-	lane_info = 0;
-	with_intel_display_power(dev_priv, POWER_DOMAIN_DISPLAY_CORE, wakeref)
-		lane_info = (I915_READ(PORT_TX_DFLEXDPSP) &
-			     DP_LANE_ASSIGNMENT_MASK(tc_port)) >>
-				DP_LANE_ASSIGNMENT_SHIFT(tc_port);
-
-	switch (lane_info) {
-	default:
-		MISSING_CASE(lane_info);
-		/* fall through */
-	case 1:
-	case 2:
-	case 4:
-	case 8:
-		return 1;
-	case 3:
-	case 12:
-		return 2;
-	case 15:
-		return 4;
-	}
-}
-
 /* Theoretical max between source and sink */
 static int intel_dp_max_common_lane_count(struct intel_dp *intel_dp)
 {
 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
 	int source_max = intel_dig_port->max_lanes;
 	int sink_max = drm_dp_max_lane_count(intel_dp->dpcd);
-	int fia_max = intel_dp_get_fia_supported_lane_count(intel_dp);
+	int fia_max = intel_tc_port_fia_max_lane_count(intel_dig_port);
 
 	return min3(source_max, sink_max, fia_max);
 }
@@ -330,9 +297,9 @@ static int icl_max_source_rate(struct intel_dp *intel_dp)
 {
 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
 	struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
-	enum port port = dig_port->base.port;
+	enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port);
 
-	if (intel_port_is_combophy(dev_priv, port) &&
+	if (intel_phy_is_combo(dev_priv, phy) &&
 	    !IS_ELKHARTLAKE(dev_priv) &&
 	    !intel_dp_is_edp(intel_dp))
 		return 540000;
@@ -1209,7 +1176,7 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp,
 	      DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) |
 	      DP_AUX_CH_CTL_SYNC_PULSE_SKL(32);
 
-	if (intel_dig_port->tc_type == TC_PORT_TBT)
+	if (intel_dig_port->tc_mode == TC_PORT_TBT_ALT)
 		ret |= DP_AUX_CH_CTL_TBT_IO;
 
 	return ret;
@@ -1225,6 +1192,8 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
 	struct drm_i915_private *i915 =
 			to_i915(intel_dig_port->base.base.dev);
 	struct intel_uncore *uncore = &i915->uncore;
+	enum phy phy = intel_port_to_phy(i915, intel_dig_port->base.port);
+	bool is_tc_port = intel_phy_is_tc(i915, phy);
 	i915_reg_t ch_ctl, ch_data[5];
 	u32 aux_clock_divider;
 	enum intel_display_power_domain aux_domain =
@@ -1240,6 +1209,9 @@ intel_dp_aux_xfer(struct intel_dp *intel_dp,
 	for (i = 0; i < ARRAY_SIZE(ch_data); i++)
 		ch_data[i] = intel_dp->aux_ch_data_reg(intel_dp, i);
 
+	if (is_tc_port)
+		intel_tc_port_lock(intel_dig_port);
+
 	aux_wakeref = intel_display_power_get(i915, aux_domain);
 	pps_wakeref = pps_lock(intel_dp);
 
@@ -1392,6 +1364,9 @@ out:
 	pps_unlock(intel_dp, pps_wakeref);
 	intel_display_power_put_async(i915, aux_domain, aux_wakeref);
 
+	if (is_tc_port)
+		intel_tc_port_unlock(intel_dig_port);
+
 	return ret;
 }
 
@@ -1879,8 +1854,10 @@ intel_dp_compute_link_config_wide(struct intel_dp *intel_dp,
 	int mode_rate, link_clock, link_avail;
 
 	for (bpp = limits->max_bpp; bpp >= limits->min_bpp; bpp -= 2 * 3) {
+		int output_bpp = intel_dp_output_bpp(pipe_config, bpp);
+
 		mode_rate = intel_dp_link_required(adjusted_mode->crtc_clock,
-						   bpp);
+						   output_bpp);
 
 		for (clock = limits->min_clock; clock <= limits->max_clock; clock++) {
 			for (lane_count = limits->min_lane_count;
@@ -4244,8 +4221,14 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp)
 	if (!intel_dp_read_dpcd(intel_dp))
 		return false;
 
-	/* Don't clobber cached eDP rates. */
+	/*
+	 * Don't clobber cached eDP rates. Also skip re-reading
+	 * the OUI/ID since we know it won't change.
+	 */
 	if (!intel_dp_is_edp(intel_dp)) {
+		drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc,
+				 drm_dp_is_branch(intel_dp->dpcd));
+
 		intel_dp_set_sink_rates(intel_dp);
 		intel_dp_set_common_rates(intel_dp);
 	}
@@ -4254,7 +4237,8 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp)
 	 * Some eDP panels do not set a valid value for sink count, that is why
 	 * it don't care about read it here and in intel_edp_init_dpcd().
 	 */
-	if (!intel_dp_is_edp(intel_dp)) {
+	if (!intel_dp_is_edp(intel_dp) &&
+	    !drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_NO_SINK_COUNT)) {
 		u8 count;
 		ssize_t r;
 
@@ -4879,14 +4863,16 @@ int intel_dp_retrain_link(struct intel_encoder *encoder,
  * retrain the link to get a picture. That's in case no
  * userspace component reacted to intermittent HPD dip.
  */
-static bool intel_dp_hotplug(struct intel_encoder *encoder,
-			     struct intel_connector *connector)
+static enum intel_hotplug_state
+intel_dp_hotplug(struct intel_encoder *encoder,
+		 struct intel_connector *connector,
+		 bool irq_received)
 {
 	struct drm_modeset_acquire_ctx ctx;
-	bool changed;
+	enum intel_hotplug_state state;
 	int ret;
 
-	changed = intel_encoder_hotplug(encoder, connector);
+	state = intel_encoder_hotplug(encoder, connector, irq_received);
 
 	drm_modeset_acquire_init(&ctx, 0);
 
@@ -4905,7 +4891,14 @@ static bool intel_dp_hotplug(struct intel_encoder *encoder,
 	drm_modeset_acquire_fini(&ctx);
 	WARN(ret, "Acquiring modeset locks failed with %i\n", ret);
 
-	return changed;
+	/*
+	 * Keeping it consistent with intel_ddi_hotplug() and
+	 * intel_hdmi_hotplug().
+	 */
+	if (state == INTEL_HOTPLUG_UNCHANGED && irq_received)
+		state = INTEL_HOTPLUG_RETRY;
+
+	return state;
 }
 
 static void intel_dp_check_service_irq(struct intel_dp *intel_dp)
@@ -5233,204 +5226,16 @@ static bool icl_combo_port_connected(struct drm_i915_private *dev_priv,
 	return I915_READ(SDEISR) & SDE_DDI_HOTPLUG_ICP(port);
 }
 
-static const char *tc_type_name(enum tc_port_type type)
-{
-	static const char * const names[] = {
-		[TC_PORT_UNKNOWN] = "unknown",
-		[TC_PORT_LEGACY] = "legacy",
-		[TC_PORT_TYPEC] = "typec",
-		[TC_PORT_TBT] = "tbt",
-	};
-
-	if (WARN_ON(type >= ARRAY_SIZE(names)))
-		type = TC_PORT_UNKNOWN;
-
-	return names[type];
-}
-
-static void icl_update_tc_port_type(struct drm_i915_private *dev_priv,
-				    struct intel_digital_port *intel_dig_port,
-				    bool is_legacy, bool is_typec, bool is_tbt)
-{
-	enum port port = intel_dig_port->base.port;
-	enum tc_port_type old_type = intel_dig_port->tc_type;
-
-	WARN_ON(is_legacy + is_typec + is_tbt != 1);
-
-	if (is_legacy)
-		intel_dig_port->tc_type = TC_PORT_LEGACY;
-	else if (is_typec)
-		intel_dig_port->tc_type = TC_PORT_TYPEC;
-	else if (is_tbt)
-		intel_dig_port->tc_type = TC_PORT_TBT;
-	else
-		return;
-
-	/* Types are not supposed to be changed at runtime. */
-	WARN_ON(old_type != TC_PORT_UNKNOWN &&
-		old_type != intel_dig_port->tc_type);
-
-	if (old_type != intel_dig_port->tc_type)
-		DRM_DEBUG_KMS("Port %c has TC type %s\n", port_name(port),
-			      tc_type_name(intel_dig_port->tc_type));
-}
-
-/*
- * This function implements the first part of the Connect Flow described by our
- * specification, Gen11 TypeC Programming chapter. The rest of the flow (reading
- * lanes, EDID, etc) is done as needed in the typical places.
- *
- * Unlike the other ports, type-C ports are not available to use as soon as we
- * get a hotplug. The type-C PHYs can be shared between multiple controllers:
- * display, USB, etc. As a result, handshaking through FIA is required around
- * connect and disconnect to cleanly transfer ownership with the controller and
- * set the type-C power state.
- *
- * We could opt to only do the connect flow when we actually try to use the AUX
- * channels or do a modeset, then immediately run the disconnect flow after
- * usage, but there are some implications on this for a dynamic environment:
- * things may go away or change behind our backs. So for now our driver is
- * always trying to acquire ownership of the controller as soon as it gets an
- * interrupt (or polls state and sees a port is connected) and only gives it
- * back when it sees a disconnect. Implementation of a more fine-grained model
- * will require a lot of coordination with user space and thorough testing for
- * the extra possible cases.
- */
-static bool icl_tc_phy_connect(struct drm_i915_private *dev_priv,
-			       struct intel_digital_port *dig_port)
-{
-	enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port);
-	u32 val;
-
-	if (dig_port->tc_type != TC_PORT_LEGACY &&
-	    dig_port->tc_type != TC_PORT_TYPEC)
-		return true;
-
-	val = I915_READ(PORT_TX_DFLEXDPPMS);
-	if (!(val & DP_PHY_MODE_STATUS_COMPLETED(tc_port))) {
-		DRM_DEBUG_KMS("DP PHY for TC port %d not ready\n", tc_port);
-		WARN_ON(dig_port->tc_legacy_port);
-		return false;
-	}
-
-	/*
-	 * This function may be called many times in a row without an HPD event
-	 * in between, so try to avoid the write when we can.
-	 */
-	val = I915_READ(PORT_TX_DFLEXDPCSSS);
-	if (!(val & DP_PHY_MODE_STATUS_NOT_SAFE(tc_port))) {
-		val |= DP_PHY_MODE_STATUS_NOT_SAFE(tc_port);
-		I915_WRITE(PORT_TX_DFLEXDPCSSS, val);
-	}
-
-	/*
-	 * Now we have to re-check the live state, in case the port recently
-	 * became disconnected. Not necessary for legacy mode.
-	 */
-	if (dig_port->tc_type == TC_PORT_TYPEC &&
-	    !(I915_READ(PORT_TX_DFLEXDPSP) & TC_LIVE_STATE_TC(tc_port))) {
-		DRM_DEBUG_KMS("TC PHY %d sudden disconnect.\n", tc_port);
-		icl_tc_phy_disconnect(dev_priv, dig_port);
-		return false;
-	}
-
-	return true;
-}
-
-/*
- * See the comment at the connect function. This implements the Disconnect
- * Flow.
- */
-void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv,
-			   struct intel_digital_port *dig_port)
-{
-	enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port);
-
-	if (dig_port->tc_type == TC_PORT_UNKNOWN)
-		return;
-
-	/*
-	 * TBT disconnection flow is read the live status, what was done in
-	 * caller.
-	 */
-	if (dig_port->tc_type == TC_PORT_TYPEC ||
-	    dig_port->tc_type == TC_PORT_LEGACY) {
-		u32 val;
-
-		val = I915_READ(PORT_TX_DFLEXDPCSSS);
-		val &= ~DP_PHY_MODE_STATUS_NOT_SAFE(tc_port);
-		I915_WRITE(PORT_TX_DFLEXDPCSSS, val);
-	}
-
-	DRM_DEBUG_KMS("Port %c TC type %s disconnected\n",
-		      port_name(dig_port->base.port),
-		      tc_type_name(dig_port->tc_type));
-
-	dig_port->tc_type = TC_PORT_UNKNOWN;
-}
-
-/*
- * The type-C ports are different because even when they are connected, they may
- * not be available/usable by the graphics driver: see the comment on
- * icl_tc_phy_connect(). So in our driver instead of adding the additional
- * concept of "usable" and make everything check for "connected and usable" we
- * define a port as "connected" when it is not only connected, but also when it
- * is usable by the rest of the driver. That maintains the old assumption that
- * connected ports are usable, and avoids exposing to the users objects they
- * can't really use.
- */
-static bool icl_tc_port_connected(struct drm_i915_private *dev_priv,
-				  struct intel_digital_port *intel_dig_port)
-{
-	enum port port = intel_dig_port->base.port;
-	enum tc_port tc_port = intel_port_to_tc(dev_priv, port);
-	bool is_legacy, is_typec, is_tbt;
-	u32 dpsp;
-
-	/*
-	 * Complain if we got a legacy port HPD, but VBT didn't mark the port as
-	 * legacy. Treat the port as legacy from now on.
-	 */
-	if (!intel_dig_port->tc_legacy_port &&
-	    I915_READ(SDEISR) & SDE_TC_HOTPLUG_ICP(tc_port)) {
-		DRM_ERROR("VBT incorrectly claims port %c is not TypeC legacy\n",
-			  port_name(port));
-		intel_dig_port->tc_legacy_port = true;
-	}
-	is_legacy = intel_dig_port->tc_legacy_port;
-
-	/*
-	 * The spec says we shouldn't be using the ISR bits for detecting
-	 * between TC and TBT. We should use DFLEXDPSP.
-	 */
-	dpsp = I915_READ(PORT_TX_DFLEXDPSP);
-	is_typec = dpsp & TC_LIVE_STATE_TC(tc_port);
-	is_tbt = dpsp & TC_LIVE_STATE_TBT(tc_port);
-
-	if (!is_legacy && !is_typec && !is_tbt) {
-		icl_tc_phy_disconnect(dev_priv, intel_dig_port);
-
-		return false;
-	}
-
-	icl_update_tc_port_type(dev_priv, intel_dig_port, is_legacy, is_typec,
-				is_tbt);
-
-	if (!icl_tc_phy_connect(dev_priv, intel_dig_port))
-		return false;
-
-	return true;
-}
-
 static bool icl_digital_port_connected(struct intel_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 
-	if (intel_port_is_combophy(dev_priv, encoder->port))
+	if (intel_phy_is_combo(dev_priv, phy))
 		return icl_combo_port_connected(dev_priv, dig_port);
-	else if (intel_port_is_tc(dev_priv, encoder->port))
-		return icl_tc_port_connected(dev_priv, dig_port);
+	else if (intel_phy_is_tc(dev_priv, phy))
+		return intel_tc_port_connected(dig_port);
 	else
 		MISSING_CASE(encoder->hpd_pin);
 
@@ -5588,9 +5393,6 @@ intel_dp_detect(struct drm_connector *connector,
 	if (INTEL_GEN(dev_priv) >= 11)
 		intel_dp_get_dsc_sink_cap(intel_dp);
 
-	drm_dp_read_desc(&intel_dp->aux, &intel_dp->desc,
-			 drm_dp_is_branch(intel_dp->dpcd));
-
 	intel_dp_configure_mst(intel_dp);
 
 	if (intel_dp->is_mst) {
@@ -6835,8 +6637,6 @@ static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv,
 				    const struct intel_crtc_state *crtc_state,
 				    int refresh_rate)
 {
-	struct intel_encoder *encoder;
-	struct intel_digital_port *dig_port = NULL;
 	struct intel_dp *intel_dp = dev_priv->drrs.dp;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc);
 	enum drrs_refresh_rate_type index = DRRS_HIGH_RR;
@@ -6851,9 +6651,6 @@ static void intel_dp_set_drrs_state(struct drm_i915_private *dev_priv,
 		return;
 	}
 
-	dig_port = dp_to_dig_port(intel_dp);
-	encoder = &dig_port->base;
-
 	if (!intel_crtc) {
 		DRM_DEBUG_KMS("DRRS: intel_crtc not initialized\n");
 		return;
@@ -7333,6 +7130,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 	struct drm_device *dev = intel_encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	enum port port = intel_encoder->port;
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 	int type;
 
 	/* Initialize the work for modeset in case of link train failure */
@@ -7359,7 +7157,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 		 * Currently we don't support eDP on TypeC ports, although in
 		 * theory it could work on TypeC legacy ports.
 		 */
-		WARN_ON(intel_port_is_tc(dev_priv, port));
+		WARN_ON(intel_phy_is_tc(dev_priv, phy));
 		type = DRM_MODE_CONNECTOR_eDP;
 	} else {
 		type = DRM_MODE_CONNECTOR_DisplayPort;
diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h
index da70b1a41c83..657bbb1f5ed0 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.h
+++ b/drivers/gpu/drm/i915/display/intel_dp.h
@@ -112,8 +112,6 @@ bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp);
 int intel_dp_link_required(int pixel_clock, int bpp);
 int intel_dp_max_data_rate(int max_link_clock, int max_lanes);
 bool intel_digital_port_connected(struct intel_encoder *encoder);
-void icl_tc_phy_disconnect(struct drm_i915_private *dev_priv,
-			   struct intel_digital_port *dig_port);
 
 static inline unsigned int intel_dp_unused_lane_mask(int lane_count)
 {
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
index 7ded95a334db..6b0b73479fb8 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
@@ -264,8 +264,11 @@ intel_dp_aux_display_control_capable(struct intel_connector *connector)
 int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector)
 {
 	struct intel_panel *panel = &intel_connector->panel;
+	struct drm_i915_private *dev_priv = to_i915(intel_connector->base.dev);
 
-	if (!i915_modparams.enable_dpcd_backlight)
+	if (i915_modparams.enable_dpcd_backlight == 0 ||
+	    (i915_modparams.enable_dpcd_backlight == -1 &&
+	    dev_priv->vbt.backlight.type != INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE))
 		return -ENODEV;
 
 	if (!intel_dp_aux_display_control_capable(intel_connector))
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.h b/drivers/gpu/drm/i915/display/intel_dp_mst.h
index 1470c6e0514b..6754c211205a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.h
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.h
@@ -6,9 +6,15 @@
 #ifndef __INTEL_DP_MST_H__
 #define __INTEL_DP_MST_H__
 
-struct intel_digital_port;
+#include "intel_drv.h"
 
 int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id);
 void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port);
+static inline int
+intel_dp_mst_encoder_active_links(struct intel_digital_port *intel_dig_port)
+{
+	return intel_dig_port->dp.active_mst_links;
+}
+
 
 #endif /* __INTEL_DP_MST_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 2d4e7b9a7b9d..f9bdf8514a53 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -36,9 +36,10 @@
  * This file provides an abstraction over display PLLs. The function
  * intel_shared_dpll_init() initializes the PLLs for the given platform.  The
  * users of a PLL are tracked and that tracking is integrated with the atomic
- * modest interface. During an atomic operation, a PLL can be requested for a
- * given CRTC and encoder configuration by calling intel_get_shared_dpll() and
- * a previously used PLL can be released with intel_release_shared_dpll().
+ * modset interface. During an atomic operation, required PLLs can be reserved
+ * for a given CRTC and encoder configuration by calling
+ * intel_reserve_shared_dplls() and previously reserved PLLs can be released
+ * with intel_release_shared_dplls().
  * Changes to the users are first staged in the atomic state, and then made
  * effective by calling intel_shared_dpll_swap_state() during the atomic
  * commit phase.
@@ -243,17 +244,18 @@ out:
 }
 
 static struct intel_shared_dpll *
-intel_find_shared_dpll(struct intel_crtc_state *crtc_state,
+intel_find_shared_dpll(struct intel_atomic_state *state,
+		       const struct intel_crtc *crtc,
+		       const struct intel_dpll_hw_state *pll_state,
 		       enum intel_dpll_id range_min,
 		       enum intel_dpll_id range_max)
 {
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	struct intel_shared_dpll *pll, *unused_pll = NULL;
 	struct intel_shared_dpll_state *shared_dpll;
 	enum intel_dpll_id i;
 
-	shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state);
+	shared_dpll = intel_atomic_get_shared_dpll_state(&state->base);
 
 	for (i = range_min; i <= range_max; i++) {
 		pll = &dev_priv->shared_dplls[i];
@@ -265,9 +267,9 @@ intel_find_shared_dpll(struct intel_crtc_state *crtc_state,
 			continue;
 		}
 
-		if (memcmp(&crtc_state->dpll_hw_state,
+		if (memcmp(pll_state,
 			   &shared_dpll[i].hw_state,
-			   sizeof(crtc_state->dpll_hw_state)) == 0) {
+			   sizeof(*pll_state)) == 0) {
 			DRM_DEBUG_KMS("[CRTC:%d:%s] sharing existing %s (crtc mask 0x%08x, active %x)\n",
 				      crtc->base.base.id, crtc->base.name,
 				      pll->info->name,
@@ -289,26 +291,51 @@ intel_find_shared_dpll(struct intel_crtc_state *crtc_state,
 }
 
 static void
-intel_reference_shared_dpll(struct intel_shared_dpll *pll,
-			    struct intel_crtc_state *crtc_state)
+intel_reference_shared_dpll(struct intel_atomic_state *state,
+			    const struct intel_crtc *crtc,
+			    const struct intel_shared_dpll *pll,
+			    const struct intel_dpll_hw_state *pll_state)
 {
 	struct intel_shared_dpll_state *shared_dpll;
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
 	const enum intel_dpll_id id = pll->info->id;
 
-	shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state);
+	shared_dpll = intel_atomic_get_shared_dpll_state(&state->base);
 
 	if (shared_dpll[id].crtc_mask == 0)
-		shared_dpll[id].hw_state =
-			crtc_state->dpll_hw_state;
+		shared_dpll[id].hw_state = *pll_state;
 
-	crtc_state->shared_dpll = pll;
 	DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->info->name,
 			 pipe_name(crtc->pipe));
 
 	shared_dpll[id].crtc_mask |= 1 << crtc->pipe;
 }
 
+static void intel_unreference_shared_dpll(struct intel_atomic_state *state,
+					  const struct intel_crtc *crtc,
+					  const struct intel_shared_dpll *pll)
+{
+	struct intel_shared_dpll_state *shared_dpll;
+
+	shared_dpll = intel_atomic_get_shared_dpll_state(&state->base);
+	shared_dpll[pll->info->id].crtc_mask &= ~(1 << crtc->pipe);
+}
+
+static void intel_put_dpll(struct intel_atomic_state *state,
+			   struct intel_crtc *crtc)
+{
+	const struct intel_crtc_state *old_crtc_state =
+		intel_atomic_get_old_crtc_state(state, crtc);
+	struct intel_crtc_state *new_crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+
+	new_crtc_state->shared_dpll = NULL;
+
+	if (!old_crtc_state->shared_dpll)
+		return;
+
+	intel_unreference_shared_dpll(state, crtc, old_crtc_state->shared_dpll);
+}
+
 /**
  * intel_shared_dpll_swap_state - make atomic DPLL configuration effective
  * @state: atomic state
@@ -320,25 +347,20 @@ intel_reference_shared_dpll(struct intel_shared_dpll *pll,
  * i.e. it also puts the current state into @state, even though there is no
  * need for that at this moment.
  */
-void intel_shared_dpll_swap_state(struct drm_atomic_state *state)
+void intel_shared_dpll_swap_state(struct intel_atomic_state *state)
 {
-	struct drm_i915_private *dev_priv = to_i915(state->dev);
-	struct intel_shared_dpll_state *shared_dpll;
-	struct intel_shared_dpll *pll;
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct intel_shared_dpll_state *shared_dpll = state->shared_dpll;
 	enum intel_dpll_id i;
 
-	if (!to_intel_atomic_state(state)->dpll_set)
+	if (!state->dpll_set)
 		return;
 
-	shared_dpll = to_intel_atomic_state(state)->shared_dpll;
 	for (i = 0; i < dev_priv->num_shared_dpll; i++) {
-		struct intel_shared_dpll_state tmp;
+		struct intel_shared_dpll *pll =
+			&dev_priv->shared_dplls[i];
 
-		pll = &dev_priv->shared_dplls[i];
-
-		tmp = pll->state;
-		pll->state = shared_dpll[i];
-		shared_dpll[i] = tmp;
+		swap(pll->state, shared_dpll[i]);
 	}
 }
 
@@ -421,11 +443,12 @@ static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv,
 	udelay(200);
 }
 
-static struct intel_shared_dpll *
-ibx_get_dpll(struct intel_crtc_state *crtc_state,
-	     struct intel_encoder *encoder)
+static bool ibx_get_dpll(struct intel_atomic_state *state,
+			 struct intel_crtc *crtc,
+			 struct intel_encoder *encoder)
 {
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	struct intel_shared_dpll *pll;
 	enum intel_dpll_id i;
@@ -439,18 +462,22 @@ ibx_get_dpll(struct intel_crtc_state *crtc_state,
 			      crtc->base.base.id, crtc->base.name,
 			      pll->info->name);
 	} else {
-		pll = intel_find_shared_dpll(crtc_state,
+		pll = intel_find_shared_dpll(state, crtc,
+					     &crtc_state->dpll_hw_state,
 					     DPLL_ID_PCH_PLL_A,
 					     DPLL_ID_PCH_PLL_B);
 	}
 
 	if (!pll)
-		return NULL;
+		return false;
 
 	/* reference the pll */
-	intel_reference_shared_dpll(pll, crtc_state);
+	intel_reference_shared_dpll(state, crtc,
+				    pll, &crtc_state->dpll_hw_state);
 
-	return pll;
+	crtc_state->shared_dpll = pll;
+
+	return true;
 }
 
 static void ibx_dump_hw_state(struct drm_i915_private *dev_priv,
@@ -767,8 +794,12 @@ hsw_ddi_calculate_wrpll(int clock /* in Hz */,
 	*r2_out = best.r2;
 }
 
-static struct intel_shared_dpll *hsw_ddi_hdmi_get_dpll(struct intel_crtc_state *crtc_state)
+static struct intel_shared_dpll *
+hsw_ddi_hdmi_get_dpll(struct intel_atomic_state *state,
+		      struct intel_crtc *crtc)
 {
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_shared_dpll *pll;
 	u32 val;
 	unsigned int p, n2, r2;
@@ -781,7 +812,8 @@ static struct intel_shared_dpll *hsw_ddi_hdmi_get_dpll(struct intel_crtc_state *
 
 	crtc_state->dpll_hw_state.wrpll = val;
 
-	pll = intel_find_shared_dpll(crtc_state,
+	pll = intel_find_shared_dpll(state, crtc,
+				     &crtc_state->dpll_hw_state,
 				     DPLL_ID_WRPLL1, DPLL_ID_WRPLL2);
 
 	if (!pll)
@@ -821,38 +853,44 @@ hsw_ddi_dp_get_dpll(struct intel_crtc_state *crtc_state)
 	return pll;
 }
 
-static struct intel_shared_dpll *
-hsw_get_dpll(struct intel_crtc_state *crtc_state,
-	     struct intel_encoder *encoder)
+static bool hsw_get_dpll(struct intel_atomic_state *state,
+			 struct intel_crtc *crtc,
+			 struct intel_encoder *encoder)
 {
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_shared_dpll *pll;
 
 	memset(&crtc_state->dpll_hw_state, 0,
 	       sizeof(crtc_state->dpll_hw_state));
 
 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
-		pll = hsw_ddi_hdmi_get_dpll(crtc_state);
+		pll = hsw_ddi_hdmi_get_dpll(state, crtc);
 	} else if (intel_crtc_has_dp_encoder(crtc_state)) {
 		pll = hsw_ddi_dp_get_dpll(crtc_state);
 	} else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) {
 		if (WARN_ON(crtc_state->port_clock / 2 != 135000))
-			return NULL;
+			return false;
 
 		crtc_state->dpll_hw_state.spll =
 			SPLL_PLL_ENABLE | SPLL_FREQ_1350MHz | SPLL_REF_MUXED_SSC;
 
-		pll = intel_find_shared_dpll(crtc_state,
+		pll = intel_find_shared_dpll(state, crtc,
+					     &crtc_state->dpll_hw_state,
 					     DPLL_ID_SPLL, DPLL_ID_SPLL);
 	} else {
-		return NULL;
+		return false;
 	}
 
 	if (!pll)
-		return NULL;
+		return false;
 
-	intel_reference_shared_dpll(pll, crtc_state);
+	intel_reference_shared_dpll(state, crtc,
+				    pll, &crtc_state->dpll_hw_state);
 
-	return pll;
+	crtc_state->shared_dpll = pll;
+
+	return true;
 }
 
 static void hsw_dump_hw_state(struct drm_i915_private *dev_priv,
@@ -1385,10 +1423,12 @@ skl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state)
 	return true;
 }
 
-static struct intel_shared_dpll *
-skl_get_dpll(struct intel_crtc_state *crtc_state,
-	     struct intel_encoder *encoder)
+static bool skl_get_dpll(struct intel_atomic_state *state,
+			 struct intel_crtc *crtc,
+			 struct intel_encoder *encoder)
 {
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_shared_dpll *pll;
 	bool bret;
 
@@ -1396,32 +1436,37 @@ skl_get_dpll(struct intel_crtc_state *crtc_state,
 		bret = skl_ddi_hdmi_pll_dividers(crtc_state);
 		if (!bret) {
 			DRM_DEBUG_KMS("Could not get HDMI pll dividers.\n");
-			return NULL;
+			return false;
 		}
 	} else if (intel_crtc_has_dp_encoder(crtc_state)) {
 		bret = skl_ddi_dp_set_dpll_hw_state(crtc_state);
 		if (!bret) {
 			DRM_DEBUG_KMS("Could not set DP dpll HW state.\n");
-			return NULL;
+			return false;
 		}
 	} else {
-		return NULL;
+		return false;
 	}
 
 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP))
-		pll = intel_find_shared_dpll(crtc_state,
+		pll = intel_find_shared_dpll(state, crtc,
+					     &crtc_state->dpll_hw_state,
 					     DPLL_ID_SKL_DPLL0,
 					     DPLL_ID_SKL_DPLL0);
 	else
-		pll = intel_find_shared_dpll(crtc_state,
+		pll = intel_find_shared_dpll(state, crtc,
+					     &crtc_state->dpll_hw_state,
 					     DPLL_ID_SKL_DPLL1,
 					     DPLL_ID_SKL_DPLL3);
 	if (!pll)
-		return NULL;
+		return false;
 
-	intel_reference_shared_dpll(pll, crtc_state);
+	intel_reference_shared_dpll(state, crtc,
+				    pll, &crtc_state->dpll_hw_state);
 
-	return pll;
+	crtc_state->shared_dpll = pll;
+
+	return true;
 }
 
 static void skl_dump_hw_state(struct drm_i915_private *dev_priv,
@@ -1827,22 +1872,23 @@ bxt_ddi_hdmi_set_dpll_hw_state(struct intel_crtc_state *crtc_state)
 	return bxt_ddi_set_dpll_hw_state(crtc_state, &clk_div);
 }
 
-static struct intel_shared_dpll *
-bxt_get_dpll(struct intel_crtc_state *crtc_state,
-	     struct intel_encoder *encoder)
+static bool bxt_get_dpll(struct intel_atomic_state *state,
+			 struct intel_crtc *crtc,
+			 struct intel_encoder *encoder)
 {
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	struct intel_shared_dpll *pll;
 	enum intel_dpll_id id;
 
 	if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) &&
 	    !bxt_ddi_hdmi_set_dpll_hw_state(crtc_state))
-		return NULL;
+		return false;
 
 	if (intel_crtc_has_dp_encoder(crtc_state) &&
 	    !bxt_ddi_dp_set_dpll_hw_state(crtc_state))
-		return NULL;
+		return false;
 
 	/* 1:1 mapping between ports and PLLs */
 	id = (enum intel_dpll_id) encoder->port;
@@ -1851,9 +1897,12 @@ bxt_get_dpll(struct intel_crtc_state *crtc_state,
 	DRM_DEBUG_KMS("[CRTC:%d:%s] using pre-allocated %s\n",
 		      crtc->base.base.id, crtc->base.name, pll->info->name);
 
-	intel_reference_shared_dpll(pll, crtc_state);
+	intel_reference_shared_dpll(state, crtc,
+				    pll, &crtc_state->dpll_hw_state);
 
-	return pll;
+	crtc_state->shared_dpll = pll;
+
+	return true;
 }
 
 static void bxt_dump_hw_state(struct drm_i915_private *dev_priv,
@@ -1884,9 +1933,14 @@ static const struct intel_shared_dpll_funcs bxt_ddi_pll_funcs = {
 struct intel_dpll_mgr {
 	const struct dpll_info *dpll_info;
 
-	struct intel_shared_dpll *(*get_dpll)(struct intel_crtc_state *crtc_state,
-					      struct intel_encoder *encoder);
-
+	bool (*get_dplls)(struct intel_atomic_state *state,
+			  struct intel_crtc *crtc,
+			  struct intel_encoder *encoder);
+	void (*put_dplls)(struct intel_atomic_state *state,
+			  struct intel_crtc *crtc);
+	void (*update_active_dpll)(struct intel_atomic_state *state,
+				   struct intel_crtc *crtc,
+				   struct intel_encoder *encoder);
 	void (*dump_hw_state)(struct drm_i915_private *dev_priv,
 			      const struct intel_dpll_hw_state *hw_state);
 };
@@ -1899,7 +1953,8 @@ static const struct dpll_info pch_plls[] = {
 
 static const struct intel_dpll_mgr pch_pll_mgr = {
 	.dpll_info = pch_plls,
-	.get_dpll = ibx_get_dpll,
+	.get_dplls = ibx_get_dpll,
+	.put_dplls = intel_put_dpll,
 	.dump_hw_state = ibx_dump_hw_state,
 };
 
@@ -1915,7 +1970,8 @@ static const struct dpll_info hsw_plls[] = {
 
 static const struct intel_dpll_mgr hsw_pll_mgr = {
 	.dpll_info = hsw_plls,
-	.get_dpll = hsw_get_dpll,
+	.get_dplls = hsw_get_dpll,
+	.put_dplls = intel_put_dpll,
 	.dump_hw_state = hsw_dump_hw_state,
 };
 
@@ -1929,7 +1985,8 @@ static const struct dpll_info skl_plls[] = {
 
 static const struct intel_dpll_mgr skl_pll_mgr = {
 	.dpll_info = skl_plls,
-	.get_dpll = skl_get_dpll,
+	.get_dplls = skl_get_dpll,
+	.put_dplls = intel_put_dpll,
 	.dump_hw_state = skl_dump_hw_state,
 };
 
@@ -1942,7 +1999,8 @@ static const struct dpll_info bxt_plls[] = {
 
 static const struct intel_dpll_mgr bxt_pll_mgr = {
 	.dpll_info = bxt_plls,
-	.get_dpll = bxt_get_dpll,
+	.get_dplls = bxt_get_dpll,
+	.put_dplls = intel_put_dpll,
 	.dump_hw_state = bxt_dump_hw_state,
 };
 
@@ -2332,10 +2390,12 @@ cnl_ddi_dp_set_dpll_hw_state(struct intel_crtc_state *crtc_state)
 	return true;
 }
 
-static struct intel_shared_dpll *
-cnl_get_dpll(struct intel_crtc_state *crtc_state,
-	     struct intel_encoder *encoder)
+static bool cnl_get_dpll(struct intel_atomic_state *state,
+			 struct intel_crtc *crtc,
+			 struct intel_encoder *encoder)
 {
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_shared_dpll *pll;
 	bool bret;
 
@@ -2343,31 +2403,35 @@ cnl_get_dpll(struct intel_crtc_state *crtc_state,
 		bret = cnl_ddi_hdmi_pll_dividers(crtc_state);
 		if (!bret) {
 			DRM_DEBUG_KMS("Could not get HDMI pll dividers.\n");
-			return NULL;
+			return false;
 		}
 	} else if (intel_crtc_has_dp_encoder(crtc_state)) {
 		bret = cnl_ddi_dp_set_dpll_hw_state(crtc_state);
 		if (!bret) {
 			DRM_DEBUG_KMS("Could not set DP dpll HW state.\n");
-			return NULL;
+			return false;
 		}
 	} else {
 		DRM_DEBUG_KMS("Skip DPLL setup for output_types 0x%x\n",
 			      crtc_state->output_types);
-		return NULL;
+		return false;
 	}
 
-	pll = intel_find_shared_dpll(crtc_state,
+	pll = intel_find_shared_dpll(state, crtc,
+				     &crtc_state->dpll_hw_state,
 				     DPLL_ID_SKL_DPLL0,
 				     DPLL_ID_SKL_DPLL2);
 	if (!pll) {
 		DRM_DEBUG_KMS("No PLL selected\n");
-		return NULL;
+		return false;
 	}
 
-	intel_reference_shared_dpll(pll, crtc_state);
+	intel_reference_shared_dpll(state, crtc,
+				    pll, &crtc_state->dpll_hw_state);
 
-	return pll;
+	crtc_state->shared_dpll = pll;
+
+	return true;
 }
 
 static void cnl_dump_hw_state(struct drm_i915_private *dev_priv,
@@ -2394,7 +2458,8 @@ static const struct dpll_info cnl_plls[] = {
 
 static const struct intel_dpll_mgr cnl_pll_mgr = {
 	.dpll_info = cnl_plls,
-	.get_dpll = cnl_get_dpll,
+	.get_dplls = cnl_get_dpll,
+	.put_dplls = intel_put_dpll,
 	.dump_hw_state = cnl_dump_hw_state,
 };
 
@@ -2506,14 +2571,16 @@ static bool icl_calc_tbt_pll(struct intel_crtc_state *crtc_state,
 }
 
 static bool icl_calc_dpll_state(struct intel_crtc_state *crtc_state,
-				struct intel_encoder *encoder)
+				struct intel_encoder *encoder,
+				struct intel_dpll_hw_state *pll_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
 	u32 cfgcr0, cfgcr1;
 	struct skl_wrpll_params pll_params = { 0 };
 	bool ret;
 
-	if (intel_port_is_tc(dev_priv, encoder->port))
+	if (intel_phy_is_tc(dev_priv, intel_port_to_phy(dev_priv,
+							encoder->port)))
 		ret = icl_calc_tbt_pll(crtc_state, &pll_params);
 	else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) ||
 		 intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DSI))
@@ -2530,14 +2597,17 @@ static bool icl_calc_dpll_state(struct intel_crtc_state *crtc_state,
 	cfgcr1 = DPLL_CFGCR1_QDIV_RATIO(pll_params.qdiv_ratio) |
 		 DPLL_CFGCR1_QDIV_MODE(pll_params.qdiv_mode) |
 		 DPLL_CFGCR1_KDIV(pll_params.kdiv) |
-		 DPLL_CFGCR1_PDIV(pll_params.pdiv) |
-		 DPLL_CFGCR1_CENTRAL_FREQ_8400;
+		 DPLL_CFGCR1_PDIV(pll_params.pdiv);
 
-	memset(&crtc_state->dpll_hw_state, 0,
-	       sizeof(crtc_state->dpll_hw_state));
+	if (INTEL_GEN(dev_priv) >= 12)
+		cfgcr1 |= TGL_DPLL_CFGCR1_CFSELOVRD_NORMAL_XTAL;
+	else
+		cfgcr1 |= DPLL_CFGCR1_CENTRAL_FREQ_8400;
 
-	crtc_state->dpll_hw_state.cfgcr0 = cfgcr0;
-	crtc_state->dpll_hw_state.cfgcr1 = cfgcr1;
+	memset(pll_state, 0, sizeof(*pll_state));
+
+	pll_state->cfgcr0 = cfgcr0;
+	pll_state->cfgcr1 = cfgcr1;
 
 	return true;
 }
@@ -2627,10 +2697,10 @@ static bool icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc,
  * The specification for this function uses real numbers, so the math had to be
  * adapted to integer-only calculation, that's why it looks so different.
  */
-static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state)
+static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state,
+				  struct intel_dpll_hw_state *pll_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
-	struct intel_dpll_hw_state *pll_state = &crtc_state->dpll_hw_state;
 	int refclk_khz = dev_priv->cdclk.hw.ref;
 	int clock = crtc_state->port_clock;
 	u32 dco_khz, m1div, m2div_int, m2div_rem, m2div_frac;
@@ -2792,63 +2862,184 @@ static bool icl_calc_mg_pll_state(struct intel_crtc_state *crtc_state)
 	return true;
 }
 
-static struct intel_shared_dpll *
-icl_get_dpll(struct intel_crtc_state *crtc_state,
-	     struct intel_encoder *encoder)
+/**
+ * icl_set_active_port_dpll - select the active port DPLL for a given CRTC
+ * @crtc_state: state for the CRTC to select the DPLL for
+ * @port_dpll_id: the active @port_dpll_id to select
+ *
+ * Select the given @port_dpll_id instance from the DPLLs reserved for the
+ * CRTC.
+ */
+void icl_set_active_port_dpll(struct intel_crtc_state *crtc_state,
+			      enum icl_port_dpll_id port_dpll_id)
 {
-	struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
-	struct intel_digital_port *intel_dig_port;
-	struct intel_shared_dpll *pll;
+	struct icl_port_dpll *port_dpll =
+		&crtc_state->icl_port_dplls[port_dpll_id];
+
+	crtc_state->shared_dpll = port_dpll->pll;
+	crtc_state->dpll_hw_state = port_dpll->hw_state;
+}
+
+static void icl_update_active_dpll(struct intel_atomic_state *state,
+				   struct intel_crtc *crtc,
+				   struct intel_encoder *encoder)
+{
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+	struct intel_digital_port *primary_port;
+	enum icl_port_dpll_id port_dpll_id = ICL_PORT_DPLL_DEFAULT;
+
+	primary_port = encoder->type == INTEL_OUTPUT_DP_MST ?
+		enc_to_mst(&encoder->base)->primary :
+		enc_to_dig_port(&encoder->base);
+
+	if (primary_port &&
+	    (primary_port->tc_mode == TC_PORT_DP_ALT ||
+	     primary_port->tc_mode == TC_PORT_LEGACY))
+		port_dpll_id = ICL_PORT_DPLL_MG_PHY;
+
+	icl_set_active_port_dpll(crtc_state, port_dpll_id);
+}
+
+static bool icl_get_combo_phy_dpll(struct intel_atomic_state *state,
+				   struct intel_crtc *crtc,
+				   struct intel_encoder *encoder)
+{
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+	struct icl_port_dpll *port_dpll =
+		&crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT];
+	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum port port = encoder->port;
-	enum intel_dpll_id min, max;
-	bool ret;
+	bool has_dpll4 = false;
 
-	if (intel_port_is_combophy(dev_priv, port)) {
-		min = DPLL_ID_ICL_DPLL0;
-		max = DPLL_ID_ICL_DPLL1;
-		ret = icl_calc_dpll_state(crtc_state, encoder);
-	} else if (intel_port_is_tc(dev_priv, port)) {
-		if (encoder->type == INTEL_OUTPUT_DP_MST) {
-			struct intel_dp_mst_encoder *mst_encoder;
+	if (!icl_calc_dpll_state(crtc_state, encoder, &port_dpll->hw_state)) {
+		DRM_DEBUG_KMS("Could not calculate combo PHY PLL state.\n");
 
-			mst_encoder = enc_to_mst(&encoder->base);
-			intel_dig_port = mst_encoder->primary;
-		} else {
-			intel_dig_port = enc_to_dig_port(&encoder->base);
-		}
+		return false;
+	}
 
-		if (intel_dig_port->tc_type == TC_PORT_TBT) {
-			min = DPLL_ID_ICL_TBTPLL;
-			max = min;
-			ret = icl_calc_dpll_state(crtc_state, encoder);
-		} else {
-			enum tc_port tc_port;
+	if (IS_ELKHARTLAKE(dev_priv) && port != PORT_A)
+		has_dpll4 = true;
+
+	port_dpll->pll = intel_find_shared_dpll(state, crtc,
+						&port_dpll->hw_state,
+						DPLL_ID_ICL_DPLL0,
+						has_dpll4 ? DPLL_ID_EHL_DPLL4
+							  : DPLL_ID_ICL_DPLL1);
+	if (!port_dpll->pll) {
+		DRM_DEBUG_KMS("No combo PHY PLL found for port %c\n",
+			      port_name(encoder->port));
+		return false;
+	}
 
-			tc_port = intel_port_to_tc(dev_priv, port);
-			min = icl_tc_port_to_pll_id(tc_port);
-			max = min;
-			ret = icl_calc_mg_pll_state(crtc_state);
-		}
-	} else {
-		MISSING_CASE(port);
-		return NULL;
+	intel_reference_shared_dpll(state, crtc,
+				    port_dpll->pll, &port_dpll->hw_state);
+
+	icl_update_active_dpll(state, crtc, encoder);
+
+	return true;
+}
+
+static bool icl_get_tc_phy_dplls(struct intel_atomic_state *state,
+				 struct intel_crtc *crtc,
+				 struct intel_encoder *encoder)
+{
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct intel_crtc_state *crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+	struct icl_port_dpll *port_dpll;
+	enum intel_dpll_id dpll_id;
+
+	port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT];
+	if (!icl_calc_dpll_state(crtc_state, encoder, &port_dpll->hw_state)) {
+		DRM_DEBUG_KMS("Could not calculate TBT PLL state.\n");
+		return false;
 	}
 
-	if (!ret) {
-		DRM_DEBUG_KMS("Could not calculate PLL state.\n");
-		return NULL;
+	port_dpll->pll = intel_find_shared_dpll(state, crtc,
+						&port_dpll->hw_state,
+						DPLL_ID_ICL_TBTPLL,
+						DPLL_ID_ICL_TBTPLL);
+	if (!port_dpll->pll) {
+		DRM_DEBUG_KMS("No TBT-ALT PLL found\n");
+		return false;
 	}
+	intel_reference_shared_dpll(state, crtc,
+				    port_dpll->pll, &port_dpll->hw_state);
 
 
-	pll = intel_find_shared_dpll(crtc_state, min, max);
-	if (!pll) {
-		DRM_DEBUG_KMS("No PLL selected\n");
-		return NULL;
+	port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_MG_PHY];
+	if (!icl_calc_mg_pll_state(crtc_state, &port_dpll->hw_state)) {
+		DRM_DEBUG_KMS("Could not calculate MG PHY PLL state.\n");
+		goto err_unreference_tbt_pll;
 	}
 
-	intel_reference_shared_dpll(pll, crtc_state);
+	dpll_id = icl_tc_port_to_pll_id(intel_port_to_tc(dev_priv,
+							 encoder->port));
+	port_dpll->pll = intel_find_shared_dpll(state, crtc,
+						&port_dpll->hw_state,
+						dpll_id,
+						dpll_id);
+	if (!port_dpll->pll) {
+		DRM_DEBUG_KMS("No MG PHY PLL found\n");
+		goto err_unreference_tbt_pll;
+	}
+	intel_reference_shared_dpll(state, crtc,
+				    port_dpll->pll, &port_dpll->hw_state);
 
-	return pll;
+	icl_update_active_dpll(state, crtc, encoder);
+
+	return true;
+
+err_unreference_tbt_pll:
+	port_dpll = &crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT];
+	intel_unreference_shared_dpll(state, crtc, port_dpll->pll);
+
+	return false;
+}
+
+static bool icl_get_dplls(struct intel_atomic_state *state,
+			  struct intel_crtc *crtc,
+			  struct intel_encoder *encoder)
+{
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
+
+	if (intel_phy_is_combo(dev_priv, phy))
+		return icl_get_combo_phy_dpll(state, crtc, encoder);
+	else if (intel_phy_is_tc(dev_priv, phy))
+		return icl_get_tc_phy_dplls(state, crtc, encoder);
+
+	MISSING_CASE(phy);
+
+	return false;
+}
+
+static void icl_put_dplls(struct intel_atomic_state *state,
+			  struct intel_crtc *crtc)
+{
+	const struct intel_crtc_state *old_crtc_state =
+		intel_atomic_get_old_crtc_state(state, crtc);
+	struct intel_crtc_state *new_crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+	enum icl_port_dpll_id id;
+
+	new_crtc_state->shared_dpll = NULL;
+
+	for (id = ICL_PORT_DPLL_DEFAULT; id < ICL_PORT_DPLL_COUNT; id++) {
+		const struct icl_port_dpll *old_port_dpll =
+			&old_crtc_state->icl_port_dplls[id];
+		struct icl_port_dpll *new_port_dpll =
+			&new_crtc_state->icl_port_dplls[id];
+
+		new_port_dpll->pll = NULL;
+
+		if (!old_port_dpll->pll)
+			continue;
+
+		intel_unreference_shared_dpll(state, crtc, old_port_dpll->pll);
+	}
 }
 
 static bool mg_pll_get_hw_state(struct drm_i915_private *dev_priv,
@@ -2932,8 +3123,18 @@ static bool icl_pll_get_hw_state(struct drm_i915_private *dev_priv,
 	if (!(val & PLL_ENABLE))
 		goto out;
 
-	hw_state->cfgcr0 = I915_READ(ICL_DPLL_CFGCR0(id));
-	hw_state->cfgcr1 = I915_READ(ICL_DPLL_CFGCR1(id));
+	if (INTEL_GEN(dev_priv) >= 12) {
+		hw_state->cfgcr0 = I915_READ(TGL_DPLL_CFGCR0(id));
+		hw_state->cfgcr1 = I915_READ(TGL_DPLL_CFGCR1(id));
+	} else {
+		if (IS_ELKHARTLAKE(dev_priv) && id == DPLL_ID_EHL_DPLL4) {
+			hw_state->cfgcr0 = I915_READ(ICL_DPLL_CFGCR0(4));
+			hw_state->cfgcr1 = I915_READ(ICL_DPLL_CFGCR1(4));
+		} else {
+			hw_state->cfgcr0 = I915_READ(ICL_DPLL_CFGCR0(id));
+			hw_state->cfgcr1 = I915_READ(ICL_DPLL_CFGCR1(id));
+		}
+	}
 
 	ret = true;
 out:
@@ -2945,8 +3146,14 @@ static bool combo_pll_get_hw_state(struct drm_i915_private *dev_priv,
 				   struct intel_shared_dpll *pll,
 				   struct intel_dpll_hw_state *hw_state)
 {
-	return icl_pll_get_hw_state(dev_priv, pll, hw_state,
-				    CNL_DPLL_ENABLE(pll->info->id));
+	i915_reg_t enable_reg = CNL_DPLL_ENABLE(pll->info->id);
+
+	if (IS_ELKHARTLAKE(dev_priv) &&
+	    pll->info->id == DPLL_ID_EHL_DPLL4) {
+		enable_reg = MG_PLL_ENABLE(0);
+	}
+
+	return icl_pll_get_hw_state(dev_priv, pll, hw_state, enable_reg);
 }
 
 static bool tbt_pll_get_hw_state(struct drm_i915_private *dev_priv,
@@ -2961,10 +3168,24 @@ static void icl_dpll_write(struct drm_i915_private *dev_priv,
 {
 	struct intel_dpll_hw_state *hw_state = &pll->state.hw_state;
 	const enum intel_dpll_id id = pll->info->id;
+	i915_reg_t cfgcr0_reg, cfgcr1_reg;
 
-	I915_WRITE(ICL_DPLL_CFGCR0(id), hw_state->cfgcr0);
-	I915_WRITE(ICL_DPLL_CFGCR1(id), hw_state->cfgcr1);
-	POSTING_READ(ICL_DPLL_CFGCR1(id));
+	if (INTEL_GEN(dev_priv) >= 12) {
+		cfgcr0_reg = TGL_DPLL_CFGCR0(id);
+		cfgcr1_reg = TGL_DPLL_CFGCR1(id);
+	} else {
+		if (IS_ELKHARTLAKE(dev_priv) && id == DPLL_ID_EHL_DPLL4) {
+			cfgcr0_reg = ICL_DPLL_CFGCR0(4);
+			cfgcr1_reg = ICL_DPLL_CFGCR1(4);
+		} else {
+			cfgcr0_reg = ICL_DPLL_CFGCR0(id);
+			cfgcr1_reg = ICL_DPLL_CFGCR1(id);
+		}
+	}
+
+	I915_WRITE(cfgcr0_reg, hw_state->cfgcr0);
+	I915_WRITE(cfgcr1_reg, hw_state->cfgcr1);
+	POSTING_READ(cfgcr1_reg);
 }
 
 static void icl_mg_pll_write(struct drm_i915_private *dev_priv,
@@ -3057,6 +3278,19 @@ static void combo_pll_enable(struct drm_i915_private *dev_priv,
 {
 	i915_reg_t enable_reg = CNL_DPLL_ENABLE(pll->info->id);
 
+	if (IS_ELKHARTLAKE(dev_priv) &&
+	    pll->info->id == DPLL_ID_EHL_DPLL4) {
+		enable_reg = MG_PLL_ENABLE(0);
+
+		/*
+		 * We need to disable DC states when this DPLL is enabled.
+		 * This can be done by taking a reference on DPLL4 power
+		 * domain.
+		 */
+		pll->wakeref = intel_display_power_get(dev_priv,
+						       POWER_DOMAIN_DPLL_DC_OFF);
+	}
+
 	icl_pll_power_enable(dev_priv, pll, enable_reg);
 
 	icl_dpll_write(dev_priv, pll);
@@ -3152,7 +3386,19 @@ static void icl_pll_disable(struct drm_i915_private *dev_priv,
 static void combo_pll_disable(struct drm_i915_private *dev_priv,
 			      struct intel_shared_dpll *pll)
 {
-	icl_pll_disable(dev_priv, pll, CNL_DPLL_ENABLE(pll->info->id));
+	i915_reg_t enable_reg = CNL_DPLL_ENABLE(pll->info->id);
+
+	if (IS_ELKHARTLAKE(dev_priv) &&
+	    pll->info->id == DPLL_ID_EHL_DPLL4) {
+		enable_reg = MG_PLL_ENABLE(0);
+		icl_pll_disable(dev_priv, pll, enable_reg);
+
+		intel_display_power_put(dev_priv, POWER_DOMAIN_DPLL_DC_OFF,
+					pll->wakeref);
+		return;
+	}
+
+	icl_pll_disable(dev_priv, pll, enable_reg);
 }
 
 static void tbt_pll_disable(struct drm_i915_private *dev_priv,
@@ -3223,19 +3469,38 @@ static const struct dpll_info icl_plls[] = {
 
 static const struct intel_dpll_mgr icl_pll_mgr = {
 	.dpll_info = icl_plls,
-	.get_dpll = icl_get_dpll,
+	.get_dplls = icl_get_dplls,
+	.put_dplls = icl_put_dplls,
+	.update_active_dpll = icl_update_active_dpll,
 	.dump_hw_state = icl_dump_hw_state,
 };
 
 static const struct dpll_info ehl_plls[] = {
 	{ "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 },
 	{ "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 },
+	{ "DPLL 4", &combo_pll_funcs, DPLL_ID_EHL_DPLL4, 0 },
 	{ },
 };
 
 static const struct intel_dpll_mgr ehl_pll_mgr = {
 	.dpll_info = ehl_plls,
-	.get_dpll = icl_get_dpll,
+	.get_dplls = icl_get_dplls,
+	.put_dplls = icl_put_dplls,
+	.dump_hw_state = icl_dump_hw_state,
+};
+
+static const struct dpll_info tgl_plls[] = {
+	{ "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0,  0 },
+	{ "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1,  0 },
+	{ "TBT PLL",  &tbt_pll_funcs, DPLL_ID_ICL_TBTPLL, 0 },
+	/* TODO: Add typeC plls */
+	{ },
+};
+
+static const struct intel_dpll_mgr tgl_pll_mgr = {
+	.dpll_info = tgl_plls,
+	.get_dplls = icl_get_dplls,
+	.put_dplls = icl_put_dplls,
 	.dump_hw_state = icl_dump_hw_state,
 };
 
@@ -3252,7 +3517,9 @@ void intel_shared_dpll_init(struct drm_device *dev)
 	const struct dpll_info *dpll_info;
 	int i;
 
-	if (IS_ELKHARTLAKE(dev_priv))
+	if (INTEL_GEN(dev_priv) >= 12)
+		dpll_mgr = &tgl_pll_mgr;
+	else if (IS_ELKHARTLAKE(dev_priv))
 		dpll_mgr = &ehl_pll_mgr;
 	else if (INTEL_GEN(dev_priv) >= 11)
 		dpll_mgr = &icl_pll_mgr;
@@ -3287,50 +3554,87 @@ void intel_shared_dpll_init(struct drm_device *dev)
 }
 
 /**
- * intel_get_shared_dpll - get a shared DPLL for CRTC and encoder combination
- * @crtc_state: atomic state for the crtc
+ * intel_reserve_shared_dplls - reserve DPLLs for CRTC and encoder combination
+ * @state: atomic state
+ * @crtc: CRTC to reserve DPLLs for
  * @encoder: encoder
  *
- * Find an appropriate DPLL for the given CRTC and encoder combination. A
- * reference from the @crtc_state to the returned pll is registered in the
- * atomic state. That configuration is made effective by calling
- * intel_shared_dpll_swap_state(). The reference should be released by calling
- * intel_release_shared_dpll().
+ * This function reserves all required DPLLs for the given CRTC and encoder
+ * combination in the current atomic commit @state and the new @crtc atomic
+ * state.
+ *
+ * The new configuration in the atomic commit @state is made effective by
+ * calling intel_shared_dpll_swap_state().
+ *
+ * The reserved DPLLs should be released by calling
+ * intel_release_shared_dplls().
  *
  * Returns:
- * A shared DPLL to be used by @crtc_state and @encoder.
+ * True if all required DPLLs were successfully reserved.
  */
-struct intel_shared_dpll *
-intel_get_shared_dpll(struct intel_crtc_state *crtc_state,
-		      struct intel_encoder *encoder)
+bool intel_reserve_shared_dplls(struct intel_atomic_state *state,
+				struct intel_crtc *crtc,
+				struct intel_encoder *encoder)
 {
-	struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
 	const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll_mgr;
 
 	if (WARN_ON(!dpll_mgr))
-		return NULL;
+		return false;
 
-	return dpll_mgr->get_dpll(crtc_state, encoder);
+	return dpll_mgr->get_dplls(state, crtc, encoder);
 }
 
 /**
- * intel_release_shared_dpll - end use of DPLL by CRTC in atomic state
- * @dpll: dpll in use by @crtc
- * @crtc: crtc
+ * intel_release_shared_dplls - end use of DPLLs by CRTC in atomic state
  * @state: atomic state
+ * @crtc: crtc from which the DPLLs are to be released
  *
- * This function releases the reference from @crtc to @dpll from the
- * atomic @state. The new configuration is made effective by calling
- * intel_shared_dpll_swap_state().
+ * This function releases all DPLLs reserved by intel_reserve_shared_dplls()
+ * from the current atomic commit @state and the old @crtc atomic state.
+ *
+ * The new configuration in the atomic commit @state is made effective by
+ * calling intel_shared_dpll_swap_state().
  */
-void intel_release_shared_dpll(struct intel_shared_dpll *dpll,
-			       struct intel_crtc *crtc,
-			       struct drm_atomic_state *state)
+void intel_release_shared_dplls(struct intel_atomic_state *state,
+				struct intel_crtc *crtc)
 {
-	struct intel_shared_dpll_state *shared_dpll_state;
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll_mgr;
+
+	/*
+	 * FIXME: this function is called for every platform having a
+	 * compute_clock hook, even though the platform doesn't yet support
+	 * the shared DPLL framework and intel_reserve_shared_dplls() is not
+	 * called on those.
+	 */
+	if (!dpll_mgr)
+		return;
+
+	dpll_mgr->put_dplls(state, crtc);
+}
+
+/**
+ * intel_update_active_dpll - update the active DPLL for a CRTC/encoder
+ * @state: atomic state
+ * @crtc: the CRTC for which to update the active DPLL
+ * @encoder: encoder determining the type of port DPLL
+ *
+ * Update the active DPLL for the given @crtc/@encoder in @crtc's atomic state,
+ * from the port DPLLs reserved previously by intel_reserve_shared_dplls(). The
+ * DPLL selected will be based on the current mode of the encoder's port.
+ */
+void intel_update_active_dpll(struct intel_atomic_state *state,
+			      struct intel_crtc *crtc,
+			      struct intel_encoder *encoder)
+{
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	const struct intel_dpll_mgr *dpll_mgr = dev_priv->dpll_mgr;
+
+	if (WARN_ON(!dpll_mgr))
+		return;
 
-	shared_dpll_state = intel_atomic_get_shared_dpll_state(state);
-	shared_dpll_state[dpll->info->id].crtc_mask &= ~(1 << crtc->pipe);
+	dpll_mgr->update_active_dpll(state, crtc, encoder);
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
index d0570414f3d1..e7588799fce5 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
@@ -28,6 +28,7 @@
 #include <linux/types.h>
 
 #include "intel_display.h"
+#include "intel_wakeref.h"
 
 /*FIXME: Move this to a more appropriate place. */
 #define abs_diff(a, b) ({			\
@@ -36,9 +37,9 @@
 	(void) (&__a == &__b);			\
 	__a > __b ? (__a - __b) : (__b - __a); })
 
-struct drm_atomic_state;
 struct drm_device;
 struct drm_i915_private;
+struct intel_atomic_state;
 struct intel_crtc;
 struct intel_crtc_state;
 struct intel_encoder;
@@ -110,35 +111,59 @@ enum intel_dpll_id {
 
 
 	/**
-	 * @DPLL_ID_ICL_DPLL0: ICL combo PHY DPLL0
+	 * @DPLL_ID_ICL_DPLL0: ICL/TGL combo PHY DPLL0
 	 */
 	DPLL_ID_ICL_DPLL0 = 0,
 	/**
-	 * @DPLL_ID_ICL_DPLL1: ICL combo PHY DPLL1
+	 * @DPLL_ID_ICL_DPLL1: ICL/TGL combo PHY DPLL1
 	 */
 	DPLL_ID_ICL_DPLL1 = 1,
 	/**
-	 * @DPLL_ID_ICL_TBTPLL: ICL TBT PLL
+	 * @DPLL_ID_EHL_DPLL4: EHL combo PHY DPLL4
+	 */
+	DPLL_ID_EHL_DPLL4 = 2,
+	/**
+	 * @DPLL_ID_ICL_TBTPLL: ICL/TGL TBT PLL
 	 */
 	DPLL_ID_ICL_TBTPLL = 2,
 	/**
-	 * @DPLL_ID_ICL_MGPLL1: ICL MG PLL 1 port 1 (C)
+	 * @DPLL_ID_ICL_MGPLL1: ICL MG PLL 1 port 1 (C),
+	 *                      TGL TC PLL 1 port 1 (TC1)
 	 */
 	DPLL_ID_ICL_MGPLL1 = 3,
 	/**
 	 * @DPLL_ID_ICL_MGPLL2: ICL MG PLL 1 port 2 (D)
+	 *                      TGL TC PLL 1 port 2 (TC2)
 	 */
 	DPLL_ID_ICL_MGPLL2 = 4,
 	/**
 	 * @DPLL_ID_ICL_MGPLL3: ICL MG PLL 1 port 3 (E)
+	 *                      TGL TC PLL 1 port 3 (TC3)
 	 */
 	DPLL_ID_ICL_MGPLL3 = 5,
 	/**
 	 * @DPLL_ID_ICL_MGPLL4: ICL MG PLL 1 port 4 (F)
+	 *                      TGL TC PLL 1 port 4 (TC4)
 	 */
 	DPLL_ID_ICL_MGPLL4 = 6,
+	/**
+	 * @DPLL_ID_TGL_TCPLL5: TGL TC PLL port 5 (TC5)
+	 */
+	DPLL_ID_TGL_MGPLL5 = 7,
+	/**
+	 * @DPLL_ID_TGL_TCPLL6: TGL TC PLL port 6 (TC6)
+	 */
+	DPLL_ID_TGL_MGPLL6 = 8,
+};
+
+#define I915_NUM_PLLS 9
+
+enum icl_port_dpll_id {
+	ICL_PORT_DPLL_DEFAULT,
+	ICL_PORT_DPLL_MG_PHY,
+
+	ICL_PORT_DPLL_COUNT,
 };
-#define I915_NUM_PLLS 7
 
 struct intel_dpll_hw_state {
 	/* i9xx, pch plls */
@@ -195,7 +220,7 @@ struct intel_dpll_hw_state {
  * future state which would be applied by an atomic mode set (stored in
  * a struct &intel_atomic_state).
  *
- * See also intel_get_shared_dpll() and intel_release_shared_dpll().
+ * See also intel_reserve_shared_dplls() and intel_release_shared_dplls().
  */
 struct intel_shared_dpll_state {
 	/**
@@ -312,6 +337,7 @@ struct intel_shared_dpll {
 	 * @info: platform specific info
 	 */
 	const struct dpll_info *info;
+	intel_wakeref_t wakeref;
 };
 
 #define SKL_DPLL0 0
@@ -331,15 +357,20 @@ void assert_shared_dpll(struct drm_i915_private *dev_priv,
 			bool state);
 #define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
 #define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
-struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc_state *state,
-						struct intel_encoder *encoder);
-void intel_release_shared_dpll(struct intel_shared_dpll *dpll,
-			       struct intel_crtc *crtc,
-			       struct drm_atomic_state *state);
+bool intel_reserve_shared_dplls(struct intel_atomic_state *state,
+				struct intel_crtc *crtc,
+				struct intel_encoder *encoder);
+void intel_release_shared_dplls(struct intel_atomic_state *state,
+				struct intel_crtc *crtc);
+void icl_set_active_port_dpll(struct intel_crtc_state *crtc_state,
+			      enum icl_port_dpll_id port_dpll_id);
+void intel_update_active_dpll(struct intel_atomic_state *state,
+			      struct intel_crtc *crtc,
+			      struct intel_encoder *encoder);
 void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state);
 void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state);
 void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state);
-void intel_shared_dpll_swap_state(struct drm_atomic_state *state);
+void intel_shared_dpll_swap_state(struct intel_atomic_state *state);
 void intel_shared_dpll_init(struct drm_device *dev);
 
 void intel_dpll_dump_hw_state(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/display/intel_dsi.h b/drivers/gpu/drm/i915/display/intel_dsi.h
index 6d20434636cd..1cd24bd46518 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi.h
+++ b/drivers/gpu/drm/i915/display/intel_dsi.h
@@ -49,8 +49,11 @@ struct intel_dsi {
 
 	struct intel_connector *attached_connector;
 
-	/* bit mask of ports being driven */
-	u16 ports;
+	/* bit mask of ports (vlv dsi) or phys (icl dsi) being driven */
+	union {
+		u16 ports;	/* VLV DSI */
+		u16 phys;	/* ICL DSI */
+	};
 
 	/* if true, use HS mode, otherwise LP */
 	bool hs;
@@ -132,7 +135,10 @@ static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h)
 	return container_of(h, struct intel_dsi_host, base);
 }
 
-#define for_each_dsi_port(__port, __ports_mask) for_each_port_masked(__port, __ports_mask)
+#define for_each_dsi_port(__port, __ports_mask) \
+	for_each_port_masked(__port, __ports_mask)
+#define for_each_dsi_phy(__phy, __phys_mask) \
+	for_each_phy_masked(__phy, __phys_mask)
 
 static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
 {
diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c
index 4f6a9bd5af47..b42c79aea61a 100644
--- a/drivers/gpu/drm/i915/display/intel_gmbus.c
+++ b/drivers/gpu/drm/i915/display/intel_gmbus.c
@@ -94,11 +94,25 @@ static const struct gmbus_pin gmbus_pins_mcc[] = {
 	[GMBUS_PIN_9_TC1_ICP] = { "dpc", GPIOJ },
 };
 
+static const struct gmbus_pin gmbus_pins_tgp[] = {
+	[GMBUS_PIN_1_BXT] = { "dpa", GPIOB },
+	[GMBUS_PIN_2_BXT] = { "dpb", GPIOC },
+	[GMBUS_PIN_3_BXT] = { "dpc", GPIOD },
+	[GMBUS_PIN_9_TC1_ICP] = { "tc1", GPIOJ },
+	[GMBUS_PIN_10_TC2_ICP] = { "tc2", GPIOK },
+	[GMBUS_PIN_11_TC3_ICP] = { "tc3", GPIOL },
+	[GMBUS_PIN_12_TC4_ICP] = { "tc4", GPIOM },
+	[GMBUS_PIN_13_TC5_TGP] = { "tc5", GPION },
+	[GMBUS_PIN_14_TC6_TGP] = { "tc6", GPIOO },
+};
+
 /* pin is expected to be valid */
 static const struct gmbus_pin *get_gmbus_pin(struct drm_i915_private *dev_priv,
 					     unsigned int pin)
 {
-	if (HAS_PCH_MCC(dev_priv))
+	if (HAS_PCH_TGP(dev_priv))
+		return &gmbus_pins_tgp[pin];
+	else if (HAS_PCH_MCC(dev_priv))
 		return &gmbus_pins_mcc[pin];
 	else if (HAS_PCH_ICP(dev_priv))
 		return &gmbus_pins_icp[pin];
@@ -119,7 +133,9 @@ bool intel_gmbus_is_valid_pin(struct drm_i915_private *dev_priv,
 {
 	unsigned int size;
 
-	if (HAS_PCH_MCC(dev_priv))
+	if (HAS_PCH_TGP(dev_priv))
+		size = ARRAY_SIZE(gmbus_pins_tgp);
+	else if (HAS_PCH_MCC(dev_priv))
 		size = ARRAY_SIZE(gmbus_pins_mcc);
 	else if (HAS_PCH_ICP(dev_priv))
 		size = ARRAY_SIZE(gmbus_pins_icp);
diff --git a/drivers/gpu/drm/i915/display/intel_hdcp.c b/drivers/gpu/drm/i915/display/intel_hdcp.c
index bc3a94d491c4..a78139f9e847 100644
--- a/drivers/gpu/drm/i915/display/intel_hdcp.c
+++ b/drivers/gpu/drm/i915/display/intel_hdcp.c
@@ -523,12 +523,16 @@ int intel_hdcp_auth_downstream(struct intel_connector *connector)
 	 * authentication.
 	 */
 	num_downstream = DRM_HDCP_NUM_DOWNSTREAM(bstatus[0]);
-	if (num_downstream == 0)
+	if (num_downstream == 0) {
+		DRM_DEBUG_KMS("Repeater with zero downstream devices\n");
 		return -EINVAL;
+	}
 
 	ksv_fifo = kcalloc(DRM_HDCP_KSV_LEN, num_downstream, GFP_KERNEL);
-	if (!ksv_fifo)
+	if (!ksv_fifo) {
+		DRM_DEBUG_KMS("Out of mem: ksv_fifo\n");
 		return -ENOMEM;
+	}
 
 	ret = shim->read_ksv_fifo(intel_dig_port, num_downstream, ksv_fifo);
 	if (ret)
@@ -1206,8 +1210,10 @@ static int hdcp2_authentication_key_exchange(struct intel_connector *connector)
 	if (ret < 0)
 		return ret;
 
-	if (msgs.send_cert.rx_caps[0] != HDCP_2_2_RX_CAPS_VERSION_VAL)
+	if (msgs.send_cert.rx_caps[0] != HDCP_2_2_RX_CAPS_VERSION_VAL) {
+		DRM_DEBUG_KMS("cert.rx_caps dont claim HDCP2.2\n");
 		return -EINVAL;
+	}
 
 	hdcp->is_repeater = HDCP_2_2_RX_REPEATER(msgs.send_cert.rx_caps[2]);
 
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 0ebec69bbbfc..9bf28de10401 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2930,51 +2930,34 @@ static u8 cnp_port_to_ddc_pin(struct drm_i915_private *dev_priv,
 
 static u8 icl_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port)
 {
-	u8 ddc_pin;
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 
-	switch (port) {
-	case PORT_A:
-		ddc_pin = GMBUS_PIN_1_BXT;
-		break;
-	case PORT_B:
-		ddc_pin = GMBUS_PIN_2_BXT;
-		break;
-	case PORT_C:
-		ddc_pin = GMBUS_PIN_9_TC1_ICP;
-		break;
-	case PORT_D:
-		ddc_pin = GMBUS_PIN_10_TC2_ICP;
-		break;
-	case PORT_E:
-		ddc_pin = GMBUS_PIN_11_TC3_ICP;
-		break;
-	case PORT_F:
-		ddc_pin = GMBUS_PIN_12_TC4_ICP;
-		break;
-	default:
-		MISSING_CASE(port);
-		ddc_pin = GMBUS_PIN_2_BXT;
-		break;
-	}
-	return ddc_pin;
+	if (intel_phy_is_combo(dev_priv, phy))
+		return GMBUS_PIN_1_BXT + port;
+	else if (intel_phy_is_tc(dev_priv, phy))
+		return GMBUS_PIN_9_TC1_ICP + intel_port_to_tc(dev_priv, port);
+
+	WARN(1, "Unknown port:%c\n", port_name(port));
+	return GMBUS_PIN_2_BXT;
 }
 
 static u8 mcc_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port)
 {
+	enum phy phy = intel_port_to_phy(dev_priv, port);
 	u8 ddc_pin;
 
-	switch (port) {
-	case PORT_A:
+	switch (phy) {
+	case PHY_A:
 		ddc_pin = GMBUS_PIN_1_BXT;
 		break;
-	case PORT_B:
+	case PHY_B:
 		ddc_pin = GMBUS_PIN_2_BXT;
 		break;
-	case PORT_C:
+	case PHY_C:
 		ddc_pin = GMBUS_PIN_9_TC1_ICP;
 		break;
 	default:
-		MISSING_CASE(port);
+		MISSING_CASE(phy);
 		ddc_pin = GMBUS_PIN_1_BXT;
 		break;
 	}
@@ -3019,7 +3002,7 @@ static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv,
 
 	if (HAS_PCH_MCC(dev_priv))
 		ddc_pin = mcc_port_to_ddc_pin(dev_priv, port);
-	else if (HAS_PCH_ICP(dev_priv))
+	else if (HAS_PCH_TGP(dev_priv) || HAS_PCH_ICP(dev_priv))
 		ddc_pin = icl_port_to_ddc_pin(dev_priv, port);
 	else if (HAS_PCH_CNP(dev_priv))
 		ddc_pin = cnp_port_to_ddc_pin(dev_priv, port);
@@ -3143,6 +3126,32 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
 		DRM_DEBUG_KMS("CEC notifier get failed\n");
 }
 
+static enum intel_hotplug_state
+intel_hdmi_hotplug(struct intel_encoder *encoder,
+		   struct intel_connector *connector, bool irq_received)
+{
+	enum intel_hotplug_state state;
+
+	state = intel_encoder_hotplug(encoder, connector, irq_received);
+
+	/*
+	 * On many platforms the HDMI live state signal is known to be
+	 * unreliable, so we can't use it to detect if a sink is connected or
+	 * not. Instead we detect if it's connected based on whether we can
+	 * read the EDID or not. That in turn has a problem during disconnect,
+	 * since the HPD interrupt may be raised before the DDC lines get
+	 * disconnected (due to how the required length of DDC vs. HPD
+	 * connector pins are specified) and so we'll still be able to get a
+	 * valid EDID. To solve this schedule another detection cycle if this
+	 * time around we didn't detect any change in the sink's connection
+	 * status.
+	 */
+	if (state == INTEL_HOTPLUG_UNCHANGED && irq_received)
+		state = INTEL_HOTPLUG_RETRY;
+
+	return state;
+}
+
 void intel_hdmi_init(struct drm_i915_private *dev_priv,
 		     i915_reg_t hdmi_reg, enum port port)
 {
@@ -3166,7 +3175,7 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv,
 			 &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS,
 			 "HDMI %c", port_name(port));
 
-	intel_encoder->hotplug = intel_encoder_hotplug;
+	intel_encoder->hotplug = intel_hdmi_hotplug;
 	intel_encoder->compute_config = intel_hdmi_compute_config;
 	if (HAS_PCH_SPLIT(dev_priv)) {
 		intel_encoder->disable = pch_disable_hdmi;
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c
index ea3de4acc850..342587d91d57 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
@@ -112,6 +112,7 @@ enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv,
 
 #define HPD_STORM_DETECT_PERIOD		1000
 #define HPD_STORM_REENABLE_DELAY	(2 * 60 * 1000)
+#define HPD_RETRY_DELAY			1000
 
 /**
  * intel_hpd_irq_storm_detect - gather stats and detect HPD IRQ storm on a pin
@@ -266,8 +267,10 @@ static void intel_hpd_irq_storm_reenable_work(struct work_struct *work)
 	intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref);
 }
 
-bool intel_encoder_hotplug(struct intel_encoder *encoder,
-			   struct intel_connector *connector)
+enum intel_hotplug_state
+intel_encoder_hotplug(struct intel_encoder *encoder,
+		      struct intel_connector *connector,
+		      bool irq_received)
 {
 	struct drm_device *dev = connector->base.dev;
 	enum drm_connector_status old_status;
@@ -279,7 +282,7 @@ bool intel_encoder_hotplug(struct intel_encoder *encoder,
 		drm_helper_probe_detect(&connector->base, NULL, false);
 
 	if (old_status == connector->base.status)
-		return false;
+		return INTEL_HOTPLUG_UNCHANGED;
 
 	DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %s to %s\n",
 		      connector->base.base.id,
@@ -287,7 +290,7 @@ bool intel_encoder_hotplug(struct intel_encoder *encoder,
 		      drm_get_connector_status_name(old_status),
 		      drm_get_connector_status_name(connector->base.status));
 
-	return true;
+	return INTEL_HOTPLUG_CHANGED;
 }
 
 static bool intel_encoder_has_hpd_pulse(struct intel_encoder *encoder)
@@ -339,7 +342,7 @@ static void i915_digport_work_func(struct work_struct *work)
 		spin_lock_irq(&dev_priv->irq_lock);
 		dev_priv->hotplug.event_bits |= old_bits;
 		spin_unlock_irq(&dev_priv->irq_lock);
-		schedule_work(&dev_priv->hotplug.hotplug_work);
+		queue_delayed_work(system_wq, &dev_priv->hotplug.hotplug_work, 0);
 	}
 }
 
@@ -349,14 +352,16 @@ static void i915_digport_work_func(struct work_struct *work)
 static void i915_hotplug_work_func(struct work_struct *work)
 {
 	struct drm_i915_private *dev_priv =
-		container_of(work, struct drm_i915_private, hotplug.hotplug_work);
+		container_of(work, struct drm_i915_private,
+			     hotplug.hotplug_work.work);
 	struct drm_device *dev = &dev_priv->drm;
 	struct intel_connector *intel_connector;
 	struct intel_encoder *intel_encoder;
 	struct drm_connector *connector;
 	struct drm_connector_list_iter conn_iter;
-	bool changed = false;
+	u32 changed = 0, retry = 0;
 	u32 hpd_event_bits;
+	u32 hpd_retry_bits;
 
 	mutex_lock(&dev->mode_config.mutex);
 	DRM_DEBUG_KMS("running encoder hotplug functions\n");
@@ -365,6 +370,8 @@ static void i915_hotplug_work_func(struct work_struct *work)
 
 	hpd_event_bits = dev_priv->hotplug.event_bits;
 	dev_priv->hotplug.event_bits = 0;
+	hpd_retry_bits = dev_priv->hotplug.retry_bits;
+	dev_priv->hotplug.retry_bits = 0;
 
 	/* Enable polling for connectors which had HPD IRQ storms */
 	intel_hpd_irq_storm_switch_to_polling(dev_priv);
@@ -373,16 +380,29 @@ static void i915_hotplug_work_func(struct work_struct *work)
 
 	drm_connector_list_iter_begin(dev, &conn_iter);
 	drm_for_each_connector_iter(connector, &conn_iter) {
+		u32 hpd_bit;
+
 		intel_connector = to_intel_connector(connector);
 		if (!intel_connector->encoder)
 			continue;
 		intel_encoder = intel_connector->encoder;
-		if (hpd_event_bits & (1 << intel_encoder->hpd_pin)) {
+		hpd_bit = BIT(intel_encoder->hpd_pin);
+		if ((hpd_event_bits | hpd_retry_bits) & hpd_bit) {
 			DRM_DEBUG_KMS("Connector %s (pin %i) received hotplug event.\n",
 				      connector->name, intel_encoder->hpd_pin);
 
-			changed |= intel_encoder->hotplug(intel_encoder,
-							  intel_connector);
+			switch (intel_encoder->hotplug(intel_encoder,
+						       intel_connector,
+						       hpd_event_bits & hpd_bit)) {
+			case INTEL_HOTPLUG_UNCHANGED:
+				break;
+			case INTEL_HOTPLUG_CHANGED:
+				changed |= hpd_bit;
+				break;
+			case INTEL_HOTPLUG_RETRY:
+				retry |= hpd_bit;
+				break;
+			}
 		}
 	}
 	drm_connector_list_iter_end(&conn_iter);
@@ -390,6 +410,17 @@ static void i915_hotplug_work_func(struct work_struct *work)
 
 	if (changed)
 		drm_kms_helper_hotplug_event(dev);
+
+	/* Remove shared HPD pins that have changed */
+	retry &= ~changed;
+	if (retry) {
+		spin_lock_irq(&dev_priv->irq_lock);
+		dev_priv->hotplug.retry_bits |= retry;
+		spin_unlock_irq(&dev_priv->irq_lock);
+
+		mod_delayed_work(system_wq, &dev_priv->hotplug.hotplug_work,
+				 msecs_to_jiffies(HPD_RETRY_DELAY));
+	}
 }
 
 
@@ -516,7 +547,7 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
 	if (queue_dig)
 		queue_work(dev_priv->hotplug.dp_wq, &dev_priv->hotplug.dig_port_work);
 	if (queue_hp)
-		schedule_work(&dev_priv->hotplug.hotplug_work);
+		queue_delayed_work(system_wq, &dev_priv->hotplug.hotplug_work, 0);
 }
 
 /**
@@ -636,7 +667,8 @@ void intel_hpd_poll_init(struct drm_i915_private *dev_priv)
 
 void intel_hpd_init_work(struct drm_i915_private *dev_priv)
 {
-	INIT_WORK(&dev_priv->hotplug.hotplug_work, i915_hotplug_work_func);
+	INIT_DELAYED_WORK(&dev_priv->hotplug.hotplug_work,
+			  i915_hotplug_work_func);
 	INIT_WORK(&dev_priv->hotplug.dig_port_work, i915_digport_work_func);
 	INIT_WORK(&dev_priv->hotplug.poll_init_work, i915_hpd_poll_init_work);
 	INIT_DELAYED_WORK(&dev_priv->hotplug.reenable_work,
@@ -650,11 +682,12 @@ void intel_hpd_cancel_work(struct drm_i915_private *dev_priv)
 	dev_priv->hotplug.long_port_mask = 0;
 	dev_priv->hotplug.short_port_mask = 0;
 	dev_priv->hotplug.event_bits = 0;
+	dev_priv->hotplug.retry_bits = 0;
 
 	spin_unlock_irq(&dev_priv->irq_lock);
 
 	cancel_work_sync(&dev_priv->hotplug.dig_port_work);
-	cancel_work_sync(&dev_priv->hotplug.hotplug_work);
+	cancel_delayed_work_sync(&dev_priv->hotplug.hotplug_work);
 	cancel_work_sync(&dev_priv->hotplug.poll_init_work);
 	cancel_delayed_work_sync(&dev_priv->hotplug.reenable_work);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.h b/drivers/gpu/drm/i915/display/intel_hotplug.h
index 805f897dbb7a..b0cd447b7fbc 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.h
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.h
@@ -15,8 +15,9 @@ struct intel_connector;
 struct intel_encoder;
 
 void intel_hpd_poll_init(struct drm_i915_private *dev_priv);
-bool intel_encoder_hotplug(struct intel_encoder *encoder,
-			   struct intel_connector *connector);
+enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder,
+					       struct intel_connector *connector,
+					       bool irq_received);
 void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
 			   u32 pin_mask, u32 long_mask);
 void intel_hpd_init(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/display/intel_overlay.c b/drivers/gpu/drm/i915/display/intel_overlay.c
index 21339b7f6a3e..07929726b780 100644
--- a/drivers/gpu/drm/i915/display/intel_overlay.c
+++ b/drivers/gpu/drm/i915/display/intel_overlay.c
@@ -175,6 +175,7 @@ struct overlay_registers {
 
 struct intel_overlay {
 	struct drm_i915_private *i915;
+	struct intel_context *context;
 	struct intel_crtc *crtc;
 	struct i915_vma *vma;
 	struct i915_vma *old_vma;
@@ -239,9 +240,7 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay,
 
 static struct i915_request *alloc_request(struct intel_overlay *overlay)
 {
-	struct intel_engine_cs *engine = overlay->i915->engine[RCS0];
-
-	return i915_request_create(engine->kernel_context);
+	return i915_request_create(overlay->context);
 }
 
 /* overlay needs to be disable in OCMD reg */
@@ -1359,11 +1358,16 @@ void intel_overlay_setup(struct drm_i915_private *dev_priv)
 	if (!HAS_OVERLAY(dev_priv))
 		return;
 
+	if (!HAS_ENGINE(dev_priv, RCS0))
+		return;
+
 	overlay = kzalloc(sizeof(*overlay), GFP_KERNEL);
 	if (!overlay)
 		return;
 
 	overlay->i915 = dev_priv;
+	overlay->context = dev_priv->engine[RCS0]->kernel_context;
+	GEM_BUG_ON(!overlay->context);
 
 	overlay->color_key = 0x0101fe;
 	overlay->color_key_enabled = true;
diff --git a/drivers/gpu/drm/i915/display/intel_pipe_crc.c b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
index 1e2c4307d05a..9a48f7a01e7e 100644
--- a/drivers/gpu/drm/i915/display/intel_pipe_crc.c
+++ b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
@@ -667,5 +667,5 @@ void intel_crtc_disable_pipe_crc(struct intel_crtc *intel_crtc)
 
 	I915_WRITE(PIPE_CRC_CTL(crtc->index), 0);
 	POSTING_READ(PIPE_CRC_CTL(crtc->index));
-	synchronize_irq(dev_priv->drm.irq);
+	intel_synchronize_irq(dev_priv);
 }
diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index ceda03e5a3d4..c5e2dfd7ef80 100644
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -274,130 +274,145 @@ static bool intel_sdvo_read_byte(struct intel_sdvo *intel_sdvo, u8 addr, u8 *ch)
 	return false;
 }
 
-#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
+#define SDVO_CMD_NAME_ENTRY(cmd_) { .cmd = SDVO_CMD_ ## cmd_, .name = #cmd_ }
+
 /** Mapping of command numbers to names, for debug output */
-static const struct _sdvo_cmd_name {
+static const struct {
 	u8 cmd;
 	const char *name;
 } __attribute__ ((packed)) sdvo_cmd_names[] = {
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_POWER_STATES),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_POWER_STATE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODER_POWER_STATE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DISPLAY_POWER_STATE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SDTV_RESOLUTION_SUPPORT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SCALED_HDTV_RESOLUTION_SUPPORT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_ENHANCEMENTS),
+	SDVO_CMD_NAME_ENTRY(RESET),
+	SDVO_CMD_NAME_ENTRY(GET_DEVICE_CAPS),
+	SDVO_CMD_NAME_ENTRY(GET_FIRMWARE_REV),
+	SDVO_CMD_NAME_ENTRY(GET_TRAINED_INPUTS),
+	SDVO_CMD_NAME_ENTRY(GET_ACTIVE_OUTPUTS),
+	SDVO_CMD_NAME_ENTRY(SET_ACTIVE_OUTPUTS),
+	SDVO_CMD_NAME_ENTRY(GET_IN_OUT_MAP),
+	SDVO_CMD_NAME_ENTRY(SET_IN_OUT_MAP),
+	SDVO_CMD_NAME_ENTRY(GET_ATTACHED_DISPLAYS),
+	SDVO_CMD_NAME_ENTRY(GET_HOT_PLUG_SUPPORT),
+	SDVO_CMD_NAME_ENTRY(SET_ACTIVE_HOT_PLUG),
+	SDVO_CMD_NAME_ENTRY(GET_ACTIVE_HOT_PLUG),
+	SDVO_CMD_NAME_ENTRY(GET_INTERRUPT_EVENT_SOURCE),
+	SDVO_CMD_NAME_ENTRY(SET_TARGET_INPUT),
+	SDVO_CMD_NAME_ENTRY(SET_TARGET_OUTPUT),
+	SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART1),
+	SDVO_CMD_NAME_ENTRY(GET_INPUT_TIMINGS_PART2),
+	SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART1),
+	SDVO_CMD_NAME_ENTRY(SET_INPUT_TIMINGS_PART2),
+	SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART1),
+	SDVO_CMD_NAME_ENTRY(SET_OUTPUT_TIMINGS_PART2),
+	SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART1),
+	SDVO_CMD_NAME_ENTRY(GET_OUTPUT_TIMINGS_PART2),
+	SDVO_CMD_NAME_ENTRY(CREATE_PREFERRED_INPUT_TIMING),
+	SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART1),
+	SDVO_CMD_NAME_ENTRY(GET_PREFERRED_INPUT_TIMING_PART2),
+	SDVO_CMD_NAME_ENTRY(GET_INPUT_PIXEL_CLOCK_RANGE),
+	SDVO_CMD_NAME_ENTRY(GET_OUTPUT_PIXEL_CLOCK_RANGE),
+	SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_CLOCK_RATE_MULTS),
+	SDVO_CMD_NAME_ENTRY(GET_CLOCK_RATE_MULT),
+	SDVO_CMD_NAME_ENTRY(SET_CLOCK_RATE_MULT),
+	SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_TV_FORMATS),
+	SDVO_CMD_NAME_ENTRY(GET_TV_FORMAT),
+	SDVO_CMD_NAME_ENTRY(SET_TV_FORMAT),
+	SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_POWER_STATES),
+	SDVO_CMD_NAME_ENTRY(GET_POWER_STATE),
+	SDVO_CMD_NAME_ENTRY(SET_ENCODER_POWER_STATE),
+	SDVO_CMD_NAME_ENTRY(SET_DISPLAY_POWER_STATE),
+	SDVO_CMD_NAME_ENTRY(SET_CONTROL_BUS_SWITCH),
+	SDVO_CMD_NAME_ENTRY(GET_SDTV_RESOLUTION_SUPPORT),
+	SDVO_CMD_NAME_ENTRY(GET_SCALED_HDTV_RESOLUTION_SUPPORT),
+	SDVO_CMD_NAME_ENTRY(GET_SUPPORTED_ENHANCEMENTS),
 
 	/* Add the op code for SDVO enhancements */
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HPOS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HPOS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HPOS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_VPOS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_VPOS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_VPOS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SATURATION),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SATURATION),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SATURATION),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_HUE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HUE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HUE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_CONTRAST),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CONTRAST),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTRAST),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_BRIGHTNESS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_BRIGHTNESS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_BRIGHTNESS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_H),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_H),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_H),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_OVERSCAN_V),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OVERSCAN_V),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OVERSCAN_V),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_ADAPTIVE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_ADAPTIVE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_ADAPTIVE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_FLICKER_FILTER_2D),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FLICKER_FILTER_2D),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_FLICKER_FILTER_2D),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_SHARPNESS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SHARPNESS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_SHARPNESS),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DOT_CRAWL),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_DOT_CRAWL),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_CHROMA_FILTER),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_CHROMA_FILTER),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_CHROMA_FILTER),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_MAX_TV_LUMA_FILTER),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_LUMA_FILTER),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_LUMA_FILTER),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_HPOS),
+	SDVO_CMD_NAME_ENTRY(GET_HPOS),
+	SDVO_CMD_NAME_ENTRY(SET_HPOS),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_VPOS),
+	SDVO_CMD_NAME_ENTRY(GET_VPOS),
+	SDVO_CMD_NAME_ENTRY(SET_VPOS),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_SATURATION),
+	SDVO_CMD_NAME_ENTRY(GET_SATURATION),
+	SDVO_CMD_NAME_ENTRY(SET_SATURATION),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_HUE),
+	SDVO_CMD_NAME_ENTRY(GET_HUE),
+	SDVO_CMD_NAME_ENTRY(SET_HUE),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_CONTRAST),
+	SDVO_CMD_NAME_ENTRY(GET_CONTRAST),
+	SDVO_CMD_NAME_ENTRY(SET_CONTRAST),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_BRIGHTNESS),
+	SDVO_CMD_NAME_ENTRY(GET_BRIGHTNESS),
+	SDVO_CMD_NAME_ENTRY(SET_BRIGHTNESS),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_H),
+	SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_H),
+	SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_H),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_OVERSCAN_V),
+	SDVO_CMD_NAME_ENTRY(GET_OVERSCAN_V),
+	SDVO_CMD_NAME_ENTRY(SET_OVERSCAN_V),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER),
+	SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER),
+	SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_ADAPTIVE),
+	SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_ADAPTIVE),
+	SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_ADAPTIVE),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_FLICKER_FILTER_2D),
+	SDVO_CMD_NAME_ENTRY(GET_FLICKER_FILTER_2D),
+	SDVO_CMD_NAME_ENTRY(SET_FLICKER_FILTER_2D),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_SHARPNESS),
+	SDVO_CMD_NAME_ENTRY(GET_SHARPNESS),
+	SDVO_CMD_NAME_ENTRY(SET_SHARPNESS),
+	SDVO_CMD_NAME_ENTRY(GET_DOT_CRAWL),
+	SDVO_CMD_NAME_ENTRY(SET_DOT_CRAWL),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_TV_CHROMA_FILTER),
+	SDVO_CMD_NAME_ENTRY(GET_TV_CHROMA_FILTER),
+	SDVO_CMD_NAME_ENTRY(SET_TV_CHROMA_FILTER),
+	SDVO_CMD_NAME_ENTRY(GET_MAX_TV_LUMA_FILTER),
+	SDVO_CMD_NAME_ENTRY(GET_TV_LUMA_FILTER),
+	SDVO_CMD_NAME_ENTRY(SET_TV_LUMA_FILTER),
 
 	/* HDMI op code */
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPP_ENCODE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ENCODE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ENCODE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_PIXEL_REPLI),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_PIXEL_REPLI),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY_CAP),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_COLORIMETRY),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_COLORIMETRY),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_ENCRYPT_PREFER),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_AUDIO_STAT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_AUDIO_STAT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INDEX),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_INDEX),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_INFO),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_AV_SPLIT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_AV_SPLIT),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_TXRATE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_TXRATE),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_HBUF_DATA),
-	SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HBUF_DATA),
+	SDVO_CMD_NAME_ENTRY(GET_SUPP_ENCODE),
+	SDVO_CMD_NAME_ENTRY(GET_ENCODE),
+	SDVO_CMD_NAME_ENTRY(SET_ENCODE),
+	SDVO_CMD_NAME_ENTRY(SET_PIXEL_REPLI),
+	SDVO_CMD_NAME_ENTRY(GET_PIXEL_REPLI),
+	SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY_CAP),
+	SDVO_CMD_NAME_ENTRY(SET_COLORIMETRY),
+	SDVO_CMD_NAME_ENTRY(GET_COLORIMETRY),
+	SDVO_CMD_NAME_ENTRY(GET_AUDIO_ENCRYPT_PREFER),
+	SDVO_CMD_NAME_ENTRY(SET_AUDIO_STAT),
+	SDVO_CMD_NAME_ENTRY(GET_AUDIO_STAT),
+	SDVO_CMD_NAME_ENTRY(GET_HBUF_INDEX),
+	SDVO_CMD_NAME_ENTRY(SET_HBUF_INDEX),
+	SDVO_CMD_NAME_ENTRY(GET_HBUF_INFO),
+	SDVO_CMD_NAME_ENTRY(GET_HBUF_AV_SPLIT),
+	SDVO_CMD_NAME_ENTRY(SET_HBUF_AV_SPLIT),
+	SDVO_CMD_NAME_ENTRY(GET_HBUF_TXRATE),
+	SDVO_CMD_NAME_ENTRY(SET_HBUF_TXRATE),
+	SDVO_CMD_NAME_ENTRY(SET_HBUF_DATA),
+	SDVO_CMD_NAME_ENTRY(GET_HBUF_DATA),
 };
 
+#undef SDVO_CMD_NAME_ENTRY
+
+static const char *sdvo_cmd_name(u8 cmd)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
+		if (cmd == sdvo_cmd_names[i].cmd)
+			return sdvo_cmd_names[i].name;
+	}
+
+	return NULL;
+}
+
 #define SDVO_NAME(svdo) ((svdo)->port == PORT_B ? "SDVOB" : "SDVOC")
 
 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 				   const void *args, int args_len)
 {
+	const char *cmd_name;
 	int i, pos = 0;
 #define BUF_LEN 256
 	char buffer[BUF_LEN];
@@ -412,15 +427,12 @@ static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 	for (; i < 8; i++) {
 		BUF_PRINT("   ");
 	}
-	for (i = 0; i < ARRAY_SIZE(sdvo_cmd_names); i++) {
-		if (cmd == sdvo_cmd_names[i].cmd) {
-			BUF_PRINT("(%s)", sdvo_cmd_names[i].name);
-			break;
-		}
-	}
-	if (i == ARRAY_SIZE(sdvo_cmd_names)) {
+
+	cmd_name = sdvo_cmd_name(cmd);
+	if (cmd_name)
+		BUF_PRINT("(%s)", cmd_name);
+	else
 		BUF_PRINT("(%02X)", cmd);
-	}
 	BUG_ON(pos >= BUF_LEN - 1);
 #undef BUF_PRINT
 #undef BUF_LEN
@@ -429,15 +441,23 @@ static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 }
 
 static const char * const cmd_status_names[] = {
-	"Power on",
-	"Success",
-	"Not supported",
-	"Invalid arg",
-	"Pending",
-	"Target not specified",
-	"Scaling not supported"
+	[SDVO_CMD_STATUS_POWER_ON] = "Power on",
+	[SDVO_CMD_STATUS_SUCCESS] = "Success",
+	[SDVO_CMD_STATUS_NOTSUPP] = "Not supported",
+	[SDVO_CMD_STATUS_INVALID_ARG] = "Invalid arg",
+	[SDVO_CMD_STATUS_PENDING] = "Pending",
+	[SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED] = "Target not specified",
+	[SDVO_CMD_STATUS_SCALING_NOT_SUPP] = "Scaling not supported",
 };
 
+static const char *sdvo_cmd_status(u8 status)
+{
+	if (status < ARRAY_SIZE(cmd_status_names))
+		return cmd_status_names[status];
+	else
+		return NULL;
+}
+
 static bool __intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 				   const void *args, int args_len,
 				   bool unlocked)
@@ -516,6 +536,7 @@ static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 				     void *response, int response_len)
 {
+	const char *cmd_status;
 	u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
 	u8 status;
 	int i, pos = 0;
@@ -562,8 +583,9 @@ static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 #define BUF_PRINT(args...) \
 	pos += snprintf(buffer + pos, max_t(int, BUF_LEN - pos, 0), args)
 
-	if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
-		BUF_PRINT("(%s)", cmd_status_names[status]);
+	cmd_status = sdvo_cmd_status(status);
+	if (cmd_status)
+		BUF_PRINT("(%s)", cmd_status);
 	else
 		BUF_PRINT("(??? %d)", status);
 
@@ -929,6 +951,20 @@ static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo,
 				    &audio_state, 1);
 }
 
+static bool intel_sdvo_get_hbuf_size(struct intel_sdvo *intel_sdvo,
+				     u8 *hbuf_size)
+{
+	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
+				  hbuf_size, 1))
+		return false;
+
+	/* Buffer size is 0 based, hooray! However zero means zero. */
+	if (*hbuf_size)
+		(*hbuf_size)++;
+
+	return true;
+}
+
 #if 0
 static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo)
 {
@@ -972,14 +1008,10 @@ static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo,
 				  set_buf_index, 2))
 		return false;
 
-	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
-				  &hbuf_size, 1))
+	if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
 		return false;
 
-	/* Buffer size is 0 based, hooray! */
-	hbuf_size++;
-
-	DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
+	DRM_DEBUG_KMS("writing sdvo hbuf: %i, length %u, hbuf_size: %i\n",
 		      if_index, length, hbuf_size);
 
 	if (hbuf_size < length)
@@ -1030,14 +1062,10 @@ static ssize_t intel_sdvo_read_infoframe(struct intel_sdvo *intel_sdvo,
 	if (tx_rate == SDVO_HBUF_TX_DISABLED)
 		return 0;
 
-	if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO,
-				  &hbuf_size, 1))
-		return -ENXIO;
-
-	/* Buffer size is 0 based, hooray! */
-	hbuf_size++;
+	if (!intel_sdvo_get_hbuf_size(intel_sdvo, &hbuf_size))
+		return false;
 
-	DRM_DEBUG_KMS("reading sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n",
+	DRM_DEBUG_KMS("reading sdvo hbuf: %i, length %u, hbuf_size: %i\n",
 		      if_index, length, hbuf_size);
 
 	hbuf_size = min_t(unsigned int, length, hbuf_size);
@@ -1893,12 +1921,14 @@ static void intel_sdvo_enable_hotplug(struct intel_encoder *encoder)
 			     &intel_sdvo->hotplug_active, 2);
 }
 
-static bool intel_sdvo_hotplug(struct intel_encoder *encoder,
-			       struct intel_connector *connector)
+static enum intel_hotplug_state
+intel_sdvo_hotplug(struct intel_encoder *encoder,
+		   struct intel_connector *connector,
+		   bool irq_received)
 {
 	intel_sdvo_enable_hotplug(encoder);
 
-	return intel_encoder_hotplug(encoder, connector);
+	return intel_encoder_hotplug(encoder, connector, irq_received);
 }
 
 static bool
diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
index 004b52027ae8..53c6594c4588 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -441,9 +441,21 @@ icl_program_input_csc(struct intel_plane *plane,
 		 */
 		[DRM_COLOR_YCBCR_BT709] = {
 			0x7C98, 0x7800, 0x0,
-			0x9EF8, 0x7800, 0xABF8,
+			0x9EF8, 0x7800, 0xAC00,
 			0x0, 0x7800,  0x7ED8,
 		},
+		/*
+		 * BT.2020 full range YCbCr -> full range RGB
+		 * The matrix required is :
+		 * [1.000, 0.000, 1.474,
+		 *  1.000, -0.1645, -0.5713,
+		 *  1.000, 1.8814, 0.0000]
+		 */
+		[DRM_COLOR_YCBCR_BT2020] = {
+			0x7BC8, 0x7800, 0x0,
+			0x8928, 0x7800, 0xAA88,
+			0x0, 0x7800, 0x7F10,
+		},
 	};
 
 	/* Matrix for Limited Range to Full Range Conversion */
@@ -451,26 +463,38 @@ icl_program_input_csc(struct intel_plane *plane,
 		/*
 		 * BT.601 Limted range YCbCr -> full range RGB
 		 * The matrix required is :
-		 * [1.164384, 0.000, 1.596370,
-		 *  1.138393, -0.382500, -0.794598,
-		 *  1.138393, 1.971696, 0.0000]
+		 * [1.164384, 0.000, 1.596027,
+		 *  1.164384, -0.39175, -0.812813,
+		 *  1.164384, 2.017232, 0.0000]
 		 */
 		[DRM_COLOR_YCBCR_BT601] = {
 			0x7CC8, 0x7950, 0x0,
-			0x8CB8, 0x7918, 0x9C40,
-			0x0, 0x7918, 0x7FC8,
+			0x8D00, 0x7950, 0x9C88,
+			0x0, 0x7950, 0x6810,
 		},
 		/*
 		 * BT.709 Limited range YCbCr -> full range RGB
 		 * The matrix required is :
-		 * [1.164, 0.000, 1.833671,
-		 *  1.138393, -0.213249, -0.532909,
-		 *  1.138393, 2.112402, 0.0000]
+		 * [1.164384, 0.000, 1.792741,
+		 *  1.164384, -0.213249, -0.532909,
+		 *  1.164384, 2.112402, 0.0000]
 		 */
 		[DRM_COLOR_YCBCR_BT709] = {
-			0x7EA8, 0x7950, 0x0,
-			0x8888, 0x7918, 0xADA8,
-			0x0, 0x7918,  0x6870,
+			0x7E58, 0x7950, 0x0,
+			0x8888, 0x7950, 0xADA8,
+			0x0, 0x7950,  0x6870,
+		},
+		/*
+		 * BT.2020 Limited range YCbCr -> full range RGB
+		 * The matrix required is :
+		 * [1.164, 0.000, 1.678,
+		 *  1.164, -0.1873, -0.6504,
+		 *  1.164, 2.1417, 0.0000]
+		 */
+		[DRM_COLOR_YCBCR_BT2020] = {
+			0x7D70, 0x7950, 0x0,
+			0x8A68, 0x7950, 0xAC00,
+			0x0, 0x7950, 0x6890,
 		},
 	};
 	const u16 *csc;
@@ -492,8 +516,11 @@ icl_program_input_csc(struct intel_plane *plane,
 
 	I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 0),
 		      PREOFF_YUV_TO_RGB_HI);
-	I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1),
-		      PREOFF_YUV_TO_RGB_ME);
+	if (plane_state->base.color_range == DRM_COLOR_YCBCR_FULL_RANGE)
+		I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1), 0);
+	else
+		I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 1),
+			      PREOFF_YUV_TO_RGB_ME);
 	I915_WRITE_FW(PLANE_INPUT_CSC_PREOFF(pipe, plane_id, 2),
 		      PREOFF_YUV_TO_RGB_LO);
 	I915_WRITE_FW(PLANE_INPUT_CSC_POSTOFF(pipe, plane_id, 0), 0x0);
@@ -683,6 +710,16 @@ skl_plane_get_hw_state(struct intel_plane *plane,
 	return ret;
 }
 
+static void i9xx_plane_linear_gamma(u16 gamma[8])
+{
+	/* The points are not evenly spaced. */
+	static const u8 in[8] = { 0, 1, 2, 4, 8, 16, 24, 32 };
+	int i;
+
+	for (i = 0; i < 8; i++)
+		gamma[i] = (in[i] << 8) / 32;
+}
+
 static void
 chv_update_csc(const struct intel_plane_state *plane_state)
 {
@@ -858,6 +895,31 @@ static u32 vlv_sprite_ctl(const struct intel_crtc_state *crtc_state,
 	return sprctl;
 }
 
+static void vlv_update_gamma(const struct intel_plane_state *plane_state)
+{
+	struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+	const struct drm_framebuffer *fb = plane_state->base.fb;
+	enum pipe pipe = plane->pipe;
+	enum plane_id plane_id = plane->id;
+	u16 gamma[8];
+	int i;
+
+	/* Seems RGB data bypasses the gamma always */
+	if (!fb->format->is_yuv)
+		return;
+
+	i9xx_plane_linear_gamma(gamma);
+
+	/* FIXME these register are single buffered :( */
+	/* The two end points are implicit (0.0 and 1.0) */
+	for (i = 1; i < 8 - 1; i++)
+		I915_WRITE_FW(SPGAMC(pipe, plane_id, i - 1),
+			      gamma[i] << 16 |
+			      gamma[i] << 8 |
+			      gamma[i]);
+}
+
 static void
 vlv_update_plane(struct intel_plane *plane,
 		 const struct intel_crtc_state *crtc_state,
@@ -916,6 +978,7 @@ vlv_update_plane(struct intel_plane *plane,
 		      intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
 
 	vlv_update_clrc(plane_state);
+	vlv_update_gamma(plane_state);
 
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
@@ -1013,6 +1076,8 @@ static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state,
 		return 0;
 	}
 
+	sprctl |= SPRITE_INT_GAMMA_DISABLE;
+
 	if (plane_state->base.color_encoding == DRM_COLOR_YCBCR_BT709)
 		sprctl |= SPRITE_YUV_TO_RGB_CSC_FORMAT_BT709;
 
@@ -1033,6 +1098,45 @@ static u32 ivb_sprite_ctl(const struct intel_crtc_state *crtc_state,
 	return sprctl;
 }
 
+static void ivb_sprite_linear_gamma(u16 gamma[18])
+{
+	int i;
+
+	for (i = 0; i < 17; i++)
+		gamma[i] = (i << 10) / 16;
+
+	gamma[i] = 3 << 10;
+	i++;
+}
+
+static void ivb_update_gamma(const struct intel_plane_state *plane_state)
+{
+	struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+	enum pipe pipe = plane->pipe;
+	u16 gamma[18];
+	int i;
+
+	ivb_sprite_linear_gamma(gamma);
+
+	/* FIXME these register are single buffered :( */
+	for (i = 0; i < 16; i++)
+		I915_WRITE_FW(SPRGAMC(pipe, i),
+			      gamma[i] << 20 |
+			      gamma[i] << 10 |
+			      gamma[i]);
+
+	I915_WRITE_FW(SPRGAMC16(pipe, 0), gamma[i]);
+	I915_WRITE_FW(SPRGAMC16(pipe, 1), gamma[i]);
+	I915_WRITE_FW(SPRGAMC16(pipe, 2), gamma[i]);
+	i++;
+
+	I915_WRITE_FW(SPRGAMC17(pipe, 0), gamma[i]);
+	I915_WRITE_FW(SPRGAMC17(pipe, 1), gamma[i]);
+	I915_WRITE_FW(SPRGAMC17(pipe, 2), gamma[i]);
+	i++;
+}
+
 static void
 ivb_update_plane(struct intel_plane *plane,
 		 const struct intel_crtc_state *crtc_state,
@@ -1099,6 +1203,8 @@ ivb_update_plane(struct intel_plane *plane,
 	I915_WRITE_FW(SPRSURF(pipe),
 		      intel_plane_ggtt_offset(plane_state) + sprsurf_offset);
 
+	ivb_update_gamma(plane_state);
+
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
 
@@ -1224,6 +1330,66 @@ static u32 g4x_sprite_ctl(const struct intel_crtc_state *crtc_state,
 	return dvscntr;
 }
 
+static void g4x_update_gamma(const struct intel_plane_state *plane_state)
+{
+	struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+	const struct drm_framebuffer *fb = plane_state->base.fb;
+	enum pipe pipe = plane->pipe;
+	u16 gamma[8];
+	int i;
+
+	/* Seems RGB data bypasses the gamma always */
+	if (!fb->format->is_yuv)
+		return;
+
+	i9xx_plane_linear_gamma(gamma);
+
+	/* FIXME these register are single buffered :( */
+	/* The two end points are implicit (0.0 and 1.0) */
+	for (i = 1; i < 8 - 1; i++)
+		I915_WRITE_FW(DVSGAMC_G4X(pipe, i - 1),
+			      gamma[i] << 16 |
+			      gamma[i] << 8 |
+			      gamma[i]);
+}
+
+static void ilk_sprite_linear_gamma(u16 gamma[17])
+{
+	int i;
+
+	for (i = 0; i < 17; i++)
+		gamma[i] = (i << 10) / 16;
+}
+
+static void ilk_update_gamma(const struct intel_plane_state *plane_state)
+{
+	struct intel_plane *plane = to_intel_plane(plane_state->base.plane);
+	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
+	const struct drm_framebuffer *fb = plane_state->base.fb;
+	enum pipe pipe = plane->pipe;
+	u16 gamma[17];
+	int i;
+
+	/* Seems RGB data bypasses the gamma always */
+	if (!fb->format->is_yuv)
+		return;
+
+	ilk_sprite_linear_gamma(gamma);
+
+	/* FIXME these register are single buffered :( */
+	for (i = 0; i < 16; i++)
+		I915_WRITE_FW(DVSGAMC_ILK(pipe, i),
+			      gamma[i] << 20 |
+			      gamma[i] << 10 |
+			      gamma[i]);
+
+	I915_WRITE_FW(DVSGAMCMAX_ILK(pipe, 0), gamma[i]);
+	I915_WRITE_FW(DVSGAMCMAX_ILK(pipe, 1), gamma[i]);
+	I915_WRITE_FW(DVSGAMCMAX_ILK(pipe, 2), gamma[i]);
+	i++;
+}
+
 static void
 g4x_update_plane(struct intel_plane *plane,
 		 const struct intel_crtc_state *crtc_state,
@@ -1283,6 +1449,11 @@ g4x_update_plane(struct intel_plane *plane,
 	I915_WRITE_FW(DVSSURF(pipe),
 		      intel_plane_ggtt_offset(plane_state) + dvssurf_offset);
 
+	if (IS_G4X(dev_priv))
+		g4x_update_gamma(plane_state);
+	else
+		ilk_update_gamma(plane_state);
+
 	spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags);
 }
 
@@ -1347,7 +1518,7 @@ g4x_sprite_check_scaling(struct intel_crtc_state *crtc_state,
 	const struct drm_framebuffer *fb = plane_state->base.fb;
 	const struct drm_rect *src = &plane_state->base.src;
 	const struct drm_rect *dst = &plane_state->base.dst;
-	int src_x, src_y, src_w, src_h, crtc_w, crtc_h;
+	int src_x, src_w, src_h, crtc_w, crtc_h;
 	const struct drm_display_mode *adjusted_mode =
 		&crtc_state->base.adjusted_mode;
 	unsigned int cpp = fb->format->cpp[0];
@@ -1358,7 +1529,6 @@ g4x_sprite_check_scaling(struct intel_crtc_state *crtc_state,
 	crtc_h = drm_rect_height(dst);
 
 	src_x = src->x1 >> 16;
-	src_y = src->y1 >> 16;
 	src_w = drm_rect_width(src) >> 16;
 	src_h = drm_rect_height(src) >> 16;
 
@@ -1852,28 +2022,7 @@ static const u32 skl_plane_formats[] = {
 	DRM_FORMAT_VYUY,
 };
 
-static const u32 icl_plane_formats[] = {
-	DRM_FORMAT_C8,
-	DRM_FORMAT_RGB565,
-	DRM_FORMAT_XRGB8888,
-	DRM_FORMAT_XBGR8888,
-	DRM_FORMAT_ARGB8888,
-	DRM_FORMAT_ABGR8888,
-	DRM_FORMAT_XRGB2101010,
-	DRM_FORMAT_XBGR2101010,
-	DRM_FORMAT_YUYV,
-	DRM_FORMAT_YVYU,
-	DRM_FORMAT_UYVY,
-	DRM_FORMAT_VYUY,
-	DRM_FORMAT_Y210,
-	DRM_FORMAT_Y212,
-	DRM_FORMAT_Y216,
-	DRM_FORMAT_XVYU2101010,
-	DRM_FORMAT_XVYU12_16161616,
-	DRM_FORMAT_XVYU16161616,
-};
-
-static const u32 icl_hdr_plane_formats[] = {
+static const u32 skl_planar_formats[] = {
 	DRM_FORMAT_C8,
 	DRM_FORMAT_RGB565,
 	DRM_FORMAT_XRGB8888,
@@ -1882,23 +2031,14 @@ static const u32 icl_hdr_plane_formats[] = {
 	DRM_FORMAT_ABGR8888,
 	DRM_FORMAT_XRGB2101010,
 	DRM_FORMAT_XBGR2101010,
-	DRM_FORMAT_XRGB16161616F,
-	DRM_FORMAT_XBGR16161616F,
-	DRM_FORMAT_ARGB16161616F,
-	DRM_FORMAT_ABGR16161616F,
 	DRM_FORMAT_YUYV,
 	DRM_FORMAT_YVYU,
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_VYUY,
-	DRM_FORMAT_Y210,
-	DRM_FORMAT_Y212,
-	DRM_FORMAT_Y216,
-	DRM_FORMAT_XVYU2101010,
-	DRM_FORMAT_XVYU12_16161616,
-	DRM_FORMAT_XVYU16161616,
+	DRM_FORMAT_NV12,
 };
 
-static const u32 skl_planar_formats[] = {
+static const u32 glk_planar_formats[] = {
 	DRM_FORMAT_C8,
 	DRM_FORMAT_RGB565,
 	DRM_FORMAT_XRGB8888,
@@ -1912,9 +2052,12 @@ static const u32 skl_planar_formats[] = {
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_VYUY,
 	DRM_FORMAT_NV12,
+	DRM_FORMAT_P010,
+	DRM_FORMAT_P012,
+	DRM_FORMAT_P016,
 };
 
-static const u32 glk_planar_formats[] = {
+static const u32 icl_sdr_y_plane_formats[] = {
 	DRM_FORMAT_C8,
 	DRM_FORMAT_RGB565,
 	DRM_FORMAT_XRGB8888,
@@ -1927,13 +2070,15 @@ static const u32 glk_planar_formats[] = {
 	DRM_FORMAT_YVYU,
 	DRM_FORMAT_UYVY,
 	DRM_FORMAT_VYUY,
-	DRM_FORMAT_NV12,
-	DRM_FORMAT_P010,
-	DRM_FORMAT_P012,
-	DRM_FORMAT_P016,
+	DRM_FORMAT_Y210,
+	DRM_FORMAT_Y212,
+	DRM_FORMAT_Y216,
+	DRM_FORMAT_XVYU2101010,
+	DRM_FORMAT_XVYU12_16161616,
+	DRM_FORMAT_XVYU16161616,
 };
 
-static const u32 icl_planar_formats[] = {
+static const u32 icl_sdr_uv_plane_formats[] = {
 	DRM_FORMAT_C8,
 	DRM_FORMAT_RGB565,
 	DRM_FORMAT_XRGB8888,
@@ -1958,7 +2103,7 @@ static const u32 icl_planar_formats[] = {
 	DRM_FORMAT_XVYU16161616,
 };
 
-static const u32 icl_hdr_planar_formats[] = {
+static const u32 icl_hdr_plane_formats[] = {
 	DRM_FORMAT_C8,
 	DRM_FORMAT_RGB565,
 	DRM_FORMAT_XRGB8888,
@@ -2201,9 +2346,6 @@ static bool skl_plane_has_fbc(struct drm_i915_private *dev_priv,
 static bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
 				 enum pipe pipe, enum plane_id plane_id)
 {
-	if (INTEL_GEN(dev_priv) >= 11)
-		return plane_id <= PLANE_SPRITE3;
-
 	/* Display WA #0870: skl, bxt */
 	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
 		return false;
@@ -2217,6 +2359,48 @@ static bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
 	return true;
 }
 
+static const u32 *skl_get_plane_formats(struct drm_i915_private *dev_priv,
+					enum pipe pipe, enum plane_id plane_id,
+					int *num_formats)
+{
+	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
+		*num_formats = ARRAY_SIZE(skl_planar_formats);
+		return skl_planar_formats;
+	} else {
+		*num_formats = ARRAY_SIZE(skl_plane_formats);
+		return skl_plane_formats;
+	}
+}
+
+static const u32 *glk_get_plane_formats(struct drm_i915_private *dev_priv,
+					enum pipe pipe, enum plane_id plane_id,
+					int *num_formats)
+{
+	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
+		*num_formats = ARRAY_SIZE(glk_planar_formats);
+		return glk_planar_formats;
+	} else {
+		*num_formats = ARRAY_SIZE(skl_plane_formats);
+		return skl_plane_formats;
+	}
+}
+
+static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv,
+					enum pipe pipe, enum plane_id plane_id,
+					int *num_formats)
+{
+	if (icl_is_hdr_plane(dev_priv, plane_id)) {
+		*num_formats = ARRAY_SIZE(icl_hdr_plane_formats);
+		return icl_hdr_plane_formats;
+	} else if (icl_is_nv12_y_plane(plane_id)) {
+		*num_formats = ARRAY_SIZE(icl_sdr_y_plane_formats);
+		return icl_sdr_y_plane_formats;
+	} else {
+		*num_formats = ARRAY_SIZE(icl_sdr_uv_plane_formats);
+		return icl_sdr_uv_plane_formats;
+	}
+}
+
 static bool skl_plane_has_ccs(struct drm_i915_private *dev_priv,
 			      enum pipe pipe, enum plane_id plane_id)
 {
@@ -2270,30 +2454,15 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
 	if (icl_is_nv12_y_plane(plane_id))
 		plane->update_slave = icl_update_slave;
 
-	if (skl_plane_has_planar(dev_priv, pipe, plane_id)) {
-		if (icl_is_hdr_plane(dev_priv, plane_id)) {
-			formats = icl_hdr_planar_formats;
-			num_formats = ARRAY_SIZE(icl_hdr_planar_formats);
-		} else if (INTEL_GEN(dev_priv) >= 11) {
-			formats = icl_planar_formats;
-			num_formats = ARRAY_SIZE(icl_planar_formats);
-		} else if (INTEL_GEN(dev_priv) == 10 || IS_GEMINILAKE(dev_priv)) {
-			formats = glk_planar_formats;
-			num_formats = ARRAY_SIZE(glk_planar_formats);
-		} else {
-			formats = skl_planar_formats;
-			num_formats = ARRAY_SIZE(skl_planar_formats);
-		}
-	} else if (icl_is_hdr_plane(dev_priv, plane_id)) {
-		formats = icl_hdr_plane_formats;
-		num_formats = ARRAY_SIZE(icl_hdr_plane_formats);
-	} else if (INTEL_GEN(dev_priv) >= 11) {
-		formats = icl_plane_formats;
-		num_formats = ARRAY_SIZE(icl_plane_formats);
-	} else {
-		formats = skl_plane_formats;
-		num_formats = ARRAY_SIZE(skl_plane_formats);
-	}
+	if (INTEL_GEN(dev_priv) >= 11)
+		formats = icl_get_plane_formats(dev_priv, pipe,
+						plane_id, &num_formats);
+	else if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
+		formats = glk_get_plane_formats(dev_priv, pipe,
+						plane_id, &num_formats);
+	else
+		formats = skl_get_plane_formats(dev_priv, pipe,
+						plane_id, &num_formats);
 
 	plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id);
 	if (plane->has_ccs)
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
new file mode 100644
index 000000000000..c96a81c2416c
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_tc.c
@@ -0,0 +1,537 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#include "i915_drv.h"
+#include "intel_display.h"
+#include "intel_dp_mst.h"
+#include "intel_tc.h"
+
+static const char *tc_port_mode_name(enum tc_port_mode mode)
+{
+	static const char * const names[] = {
+		[TC_PORT_TBT_ALT] = "tbt-alt",
+		[TC_PORT_DP_ALT] = "dp-alt",
+		[TC_PORT_LEGACY] = "legacy",
+	};
+
+	if (WARN_ON(mode >= ARRAY_SIZE(names)))
+		mode = TC_PORT_TBT_ALT;
+
+	return names[mode];
+}
+
+static bool has_modular_fia(struct drm_i915_private *i915)
+{
+	if (!INTEL_INFO(i915)->display.has_modular_fia)
+		return false;
+
+	return intel_uncore_read(&i915->uncore,
+				 PORT_TX_DFLEXDPSP(FIA1)) & MODULAR_FIA_MASK;
+}
+
+static enum phy_fia tc_port_to_fia(struct drm_i915_private *i915,
+				   enum tc_port tc_port)
+{
+	if (!has_modular_fia(i915))
+		return FIA1;
+
+	/*
+	 * Each Modular FIA instance houses 2 TC ports. In SOC that has more
+	 * than two TC ports, there are multiple instances of Modular FIA.
+	 */
+	return tc_port / 2;
+}
+
+u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
+	struct intel_uncore *uncore = &i915->uncore;
+	u32 lane_mask;
+
+	lane_mask = intel_uncore_read(uncore,
+				      PORT_TX_DFLEXDPSP(dig_port->tc_phy_fia));
+
+	WARN_ON(lane_mask == 0xffffffff);
+
+	return (lane_mask & DP_LANE_ASSIGNMENT_MASK(tc_port)) >>
+	       DP_LANE_ASSIGNMENT_SHIFT(tc_port);
+}
+
+int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	intel_wakeref_t wakeref;
+	u32 lane_mask;
+
+	if (dig_port->tc_mode != TC_PORT_DP_ALT)
+		return 4;
+
+	lane_mask = 0;
+	with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref)
+		lane_mask = intel_tc_port_get_lane_mask(dig_port);
+
+	switch (lane_mask) {
+	default:
+		MISSING_CASE(lane_mask);
+		/* fall-through */
+	case 0x1:
+	case 0x2:
+	case 0x4:
+	case 0x8:
+		return 1;
+	case 0x3:
+	case 0xc:
+		return 2;
+	case 0xf:
+		return 4;
+	}
+}
+
+void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
+				      int required_lanes)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
+	bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL;
+	struct intel_uncore *uncore = &i915->uncore;
+	u32 val;
+
+	WARN_ON(lane_reversal && dig_port->tc_mode != TC_PORT_LEGACY);
+
+	val = intel_uncore_read(uncore,
+				PORT_TX_DFLEXDPMLE1(dig_port->tc_phy_fia));
+	val &= ~DFLEXDPMLE1_DPMLETC_MASK(tc_port);
+
+	switch (required_lanes) {
+	case 1:
+		val |= lane_reversal ? DFLEXDPMLE1_DPMLETC_ML3(tc_port) :
+			DFLEXDPMLE1_DPMLETC_ML0(tc_port);
+		break;
+	case 2:
+		val |= lane_reversal ? DFLEXDPMLE1_DPMLETC_ML3_2(tc_port) :
+			DFLEXDPMLE1_DPMLETC_ML1_0(tc_port);
+		break;
+	case 4:
+		val |= DFLEXDPMLE1_DPMLETC_ML3_0(tc_port);
+		break;
+	default:
+		MISSING_CASE(required_lanes);
+	}
+
+	intel_uncore_write(uncore,
+			   PORT_TX_DFLEXDPMLE1(dig_port->tc_phy_fia), val);
+}
+
+static void tc_port_fixup_legacy_flag(struct intel_digital_port *dig_port,
+				      u32 live_status_mask)
+{
+	u32 valid_hpd_mask;
+
+	if (dig_port->tc_legacy_port)
+		valid_hpd_mask = BIT(TC_PORT_LEGACY);
+	else
+		valid_hpd_mask = BIT(TC_PORT_DP_ALT) |
+				 BIT(TC_PORT_TBT_ALT);
+
+	if (!(live_status_mask & ~valid_hpd_mask))
+		return;
+
+	/* If live status mismatches the VBT flag, trust the live status. */
+	DRM_ERROR("Port %s: live status %08x mismatches the legacy port flag, fix flag\n",
+		  dig_port->tc_port_name, live_status_mask);
+
+	dig_port->tc_legacy_port = !dig_port->tc_legacy_port;
+}
+
+static u32 tc_port_live_status_mask(struct intel_digital_port *dig_port)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
+	struct intel_uncore *uncore = &i915->uncore;
+	u32 mask = 0;
+	u32 val;
+
+	val = intel_uncore_read(uncore,
+				PORT_TX_DFLEXDPSP(dig_port->tc_phy_fia));
+
+	if (val == 0xffffffff) {
+		DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, nothing connected\n",
+			      dig_port->tc_port_name);
+		return mask;
+	}
+
+	if (val & TC_LIVE_STATE_TBT(tc_port))
+		mask |= BIT(TC_PORT_TBT_ALT);
+	if (val & TC_LIVE_STATE_TC(tc_port))
+		mask |= BIT(TC_PORT_DP_ALT);
+
+	if (intel_uncore_read(uncore, SDEISR) & SDE_TC_HOTPLUG_ICP(tc_port))
+		mask |= BIT(TC_PORT_LEGACY);
+
+	/* The sink can be connected only in a single mode. */
+	if (!WARN_ON(hweight32(mask) > 1))
+		tc_port_fixup_legacy_flag(dig_port, mask);
+
+	return mask;
+}
+
+static bool icl_tc_phy_status_complete(struct intel_digital_port *dig_port)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
+	struct intel_uncore *uncore = &i915->uncore;
+	u32 val;
+
+	val = intel_uncore_read(uncore,
+				PORT_TX_DFLEXDPPMS(dig_port->tc_phy_fia));
+	if (val == 0xffffffff) {
+		DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, assuming not complete\n",
+			      dig_port->tc_port_name);
+		return false;
+	}
+
+	return val & DP_PHY_MODE_STATUS_COMPLETED(tc_port);
+}
+
+static bool icl_tc_phy_set_safe_mode(struct intel_digital_port *dig_port,
+				     bool enable)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
+	struct intel_uncore *uncore = &i915->uncore;
+	u32 val;
+
+	val = intel_uncore_read(uncore,
+				PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia));
+	if (val == 0xffffffff) {
+		DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, can't set safe-mode to %s\n",
+			      dig_port->tc_port_name,
+			      enableddisabled(enable));
+
+		return false;
+	}
+
+	val &= ~DP_PHY_MODE_STATUS_NOT_SAFE(tc_port);
+	if (!enable)
+		val |= DP_PHY_MODE_STATUS_NOT_SAFE(tc_port);
+
+	intel_uncore_write(uncore,
+			   PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia), val);
+
+	if (enable && wait_for(!icl_tc_phy_status_complete(dig_port), 10))
+		DRM_DEBUG_KMS("Port %s: PHY complete clear timed out\n",
+			      dig_port->tc_port_name);
+
+	return true;
+}
+
+static bool icl_tc_phy_is_in_safe_mode(struct intel_digital_port *dig_port)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
+	struct intel_uncore *uncore = &i915->uncore;
+	u32 val;
+
+	val = intel_uncore_read(uncore,
+				PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia));
+	if (val == 0xffffffff) {
+		DRM_DEBUG_KMS("Port %s: PHY in TCCOLD, assume safe mode\n",
+			      dig_port->tc_port_name);
+		return true;
+	}
+
+	return !(val & DP_PHY_MODE_STATUS_NOT_SAFE(tc_port));
+}
+
+/*
+ * This function implements the first part of the Connect Flow described by our
+ * specification, Gen11 TypeC Programming chapter. The rest of the flow (reading
+ * lanes, EDID, etc) is done as needed in the typical places.
+ *
+ * Unlike the other ports, type-C ports are not available to use as soon as we
+ * get a hotplug. The type-C PHYs can be shared between multiple controllers:
+ * display, USB, etc. As a result, handshaking through FIA is required around
+ * connect and disconnect to cleanly transfer ownership with the controller and
+ * set the type-C power state.
+ */
+static void icl_tc_phy_connect(struct intel_digital_port *dig_port,
+			       int required_lanes)
+{
+	int max_lanes;
+
+	if (!icl_tc_phy_status_complete(dig_port)) {
+		DRM_DEBUG_KMS("Port %s: PHY not ready\n",
+			      dig_port->tc_port_name);
+		goto out_set_tbt_alt_mode;
+	}
+
+	if (!icl_tc_phy_set_safe_mode(dig_port, false) &&
+	    !WARN_ON(dig_port->tc_legacy_port))
+		goto out_set_tbt_alt_mode;
+
+	max_lanes = intel_tc_port_fia_max_lane_count(dig_port);
+	if (dig_port->tc_legacy_port) {
+		WARN_ON(max_lanes != 4);
+		dig_port->tc_mode = TC_PORT_LEGACY;
+
+		return;
+	}
+
+	/*
+	 * Now we have to re-check the live state, in case the port recently
+	 * became disconnected. Not necessary for legacy mode.
+	 */
+	if (!(tc_port_live_status_mask(dig_port) & BIT(TC_PORT_DP_ALT))) {
+		DRM_DEBUG_KMS("Port %s: PHY sudden disconnect\n",
+			      dig_port->tc_port_name);
+		goto out_set_safe_mode;
+	}
+
+	if (max_lanes < required_lanes) {
+		DRM_DEBUG_KMS("Port %s: PHY max lanes %d < required lanes %d\n",
+			      dig_port->tc_port_name,
+			      max_lanes, required_lanes);
+		goto out_set_safe_mode;
+	}
+
+	dig_port->tc_mode = TC_PORT_DP_ALT;
+
+	return;
+
+out_set_safe_mode:
+	icl_tc_phy_set_safe_mode(dig_port, true);
+out_set_tbt_alt_mode:
+	dig_port->tc_mode = TC_PORT_TBT_ALT;
+}
+
+/*
+ * See the comment at the connect function. This implements the Disconnect
+ * Flow.
+ */
+static void icl_tc_phy_disconnect(struct intel_digital_port *dig_port)
+{
+	switch (dig_port->tc_mode) {
+	case TC_PORT_LEGACY:
+		/* Nothing to do, we never disconnect from legacy mode */
+		break;
+	case TC_PORT_DP_ALT:
+		icl_tc_phy_set_safe_mode(dig_port, true);
+		dig_port->tc_mode = TC_PORT_TBT_ALT;
+		break;
+	case TC_PORT_TBT_ALT:
+		/* Nothing to do, we stay in TBT-alt mode */
+		break;
+	default:
+		MISSING_CASE(dig_port->tc_mode);
+	}
+}
+
+static bool icl_tc_phy_is_connected(struct intel_digital_port *dig_port)
+{
+	if (!icl_tc_phy_status_complete(dig_port)) {
+		DRM_DEBUG_KMS("Port %s: PHY status not complete\n",
+			      dig_port->tc_port_name);
+		return dig_port->tc_mode == TC_PORT_TBT_ALT;
+	}
+
+	if (icl_tc_phy_is_in_safe_mode(dig_port)) {
+		DRM_DEBUG_KMS("Port %s: PHY still in safe mode\n",
+			      dig_port->tc_port_name);
+
+		return false;
+	}
+
+	return dig_port->tc_mode == TC_PORT_DP_ALT ||
+	       dig_port->tc_mode == TC_PORT_LEGACY;
+}
+
+static enum tc_port_mode
+intel_tc_port_get_current_mode(struct intel_digital_port *dig_port)
+{
+	u32 live_status_mask = tc_port_live_status_mask(dig_port);
+	bool in_safe_mode = icl_tc_phy_is_in_safe_mode(dig_port);
+	enum tc_port_mode mode;
+
+	if (in_safe_mode || WARN_ON(!icl_tc_phy_status_complete(dig_port)))
+		return TC_PORT_TBT_ALT;
+
+	mode = dig_port->tc_legacy_port ? TC_PORT_LEGACY : TC_PORT_DP_ALT;
+	if (live_status_mask) {
+		enum tc_port_mode live_mode = fls(live_status_mask) - 1;
+
+		if (!WARN_ON(live_mode == TC_PORT_TBT_ALT))
+			mode = live_mode;
+	}
+
+	return mode;
+}
+
+static enum tc_port_mode
+intel_tc_port_get_target_mode(struct intel_digital_port *dig_port)
+{
+	u32 live_status_mask = tc_port_live_status_mask(dig_port);
+
+	if (live_status_mask)
+		return fls(live_status_mask) - 1;
+
+	return icl_tc_phy_status_complete(dig_port) &&
+	       dig_port->tc_legacy_port ? TC_PORT_LEGACY :
+					  TC_PORT_TBT_ALT;
+}
+
+static void intel_tc_port_reset_mode(struct intel_digital_port *dig_port,
+				     int required_lanes)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	enum tc_port_mode old_tc_mode = dig_port->tc_mode;
+
+	intel_display_power_flush_work(i915);
+	WARN_ON(intel_display_power_is_enabled(i915,
+					       intel_aux_power_domain(dig_port)));
+
+	icl_tc_phy_disconnect(dig_port);
+	icl_tc_phy_connect(dig_port, required_lanes);
+
+	DRM_DEBUG_KMS("Port %s: TC port mode reset (%s -> %s)\n",
+		      dig_port->tc_port_name,
+		      tc_port_mode_name(old_tc_mode),
+		      tc_port_mode_name(dig_port->tc_mode));
+}
+
+static void
+intel_tc_port_link_init_refcount(struct intel_digital_port *dig_port,
+				 int refcount)
+{
+	WARN_ON(dig_port->tc_link_refcount);
+	dig_port->tc_link_refcount = refcount;
+}
+
+void intel_tc_port_sanitize(struct intel_digital_port *dig_port)
+{
+	struct intel_encoder *encoder = &dig_port->base;
+	int active_links = 0;
+
+	mutex_lock(&dig_port->tc_lock);
+
+	dig_port->tc_mode = intel_tc_port_get_current_mode(dig_port);
+	if (dig_port->dp.is_mst)
+		active_links = intel_dp_mst_encoder_active_links(dig_port);
+	else if (encoder->base.crtc)
+		active_links = to_intel_crtc(encoder->base.crtc)->active;
+
+	if (active_links) {
+		if (!icl_tc_phy_is_connected(dig_port))
+			DRM_DEBUG_KMS("Port %s: PHY disconnected with %d active link(s)\n",
+				      dig_port->tc_port_name, active_links);
+		intel_tc_port_link_init_refcount(dig_port, active_links);
+
+		goto out;
+	}
+
+	if (dig_port->tc_legacy_port)
+		icl_tc_phy_connect(dig_port, 1);
+
+out:
+	DRM_DEBUG_KMS("Port %s: sanitize mode (%s)\n",
+		      dig_port->tc_port_name,
+		      tc_port_mode_name(dig_port->tc_mode));
+
+	mutex_unlock(&dig_port->tc_lock);
+}
+
+static bool intel_tc_port_needs_reset(struct intel_digital_port *dig_port)
+{
+	return intel_tc_port_get_target_mode(dig_port) != dig_port->tc_mode;
+}
+
+/*
+ * The type-C ports are different because even when they are connected, they may
+ * not be available/usable by the graphics driver: see the comment on
+ * icl_tc_phy_connect(). So in our driver instead of adding the additional
+ * concept of "usable" and make everything check for "connected and usable" we
+ * define a port as "connected" when it is not only connected, but also when it
+ * is usable by the rest of the driver. That maintains the old assumption that
+ * connected ports are usable, and avoids exposing to the users objects they
+ * can't really use.
+ */
+bool intel_tc_port_connected(struct intel_digital_port *dig_port)
+{
+	bool is_connected;
+
+	intel_tc_port_lock(dig_port);
+	is_connected = tc_port_live_status_mask(dig_port) &
+		       BIT(dig_port->tc_mode);
+	intel_tc_port_unlock(dig_port);
+
+	return is_connected;
+}
+
+static void __intel_tc_port_lock(struct intel_digital_port *dig_port,
+				 int required_lanes)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	intel_wakeref_t wakeref;
+
+	wakeref = intel_display_power_get(i915, POWER_DOMAIN_DISPLAY_CORE);
+
+	mutex_lock(&dig_port->tc_lock);
+
+	if (!dig_port->tc_link_refcount &&
+	    intel_tc_port_needs_reset(dig_port))
+		intel_tc_port_reset_mode(dig_port, required_lanes);
+
+	WARN_ON(dig_port->tc_lock_wakeref);
+	dig_port->tc_lock_wakeref = wakeref;
+}
+
+void intel_tc_port_lock(struct intel_digital_port *dig_port)
+{
+	__intel_tc_port_lock(dig_port, 1);
+}
+
+void intel_tc_port_unlock(struct intel_digital_port *dig_port)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	intel_wakeref_t wakeref = fetch_and_zero(&dig_port->tc_lock_wakeref);
+
+	mutex_unlock(&dig_port->tc_lock);
+
+	intel_display_power_put_async(i915, POWER_DOMAIN_DISPLAY_CORE,
+				      wakeref);
+}
+
+void intel_tc_port_get_link(struct intel_digital_port *dig_port,
+			    int required_lanes)
+{
+	__intel_tc_port_lock(dig_port, required_lanes);
+	dig_port->tc_link_refcount++;
+	intel_tc_port_unlock(dig_port);
+}
+
+void intel_tc_port_put_link(struct intel_digital_port *dig_port)
+{
+	mutex_lock(&dig_port->tc_lock);
+	dig_port->tc_link_refcount--;
+	mutex_unlock(&dig_port->tc_lock);
+}
+
+void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy)
+{
+	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	enum port port = dig_port->base.port;
+	enum tc_port tc_port = intel_port_to_tc(i915, port);
+
+	if (WARN_ON(tc_port == PORT_TC_NONE))
+		return;
+
+	snprintf(dig_port->tc_port_name, sizeof(dig_port->tc_port_name),
+		 "%c/TC#%d", port_name(port), tc_port + 1);
+
+	mutex_init(&dig_port->tc_lock);
+	dig_port->tc_legacy_port = is_legacy;
+	dig_port->tc_link_refcount = 0;
+	dig_port->tc_phy_fia = tc_port_to_fia(i915, tc_port);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_tc.h b/drivers/gpu/drm/i915/display/intel_tc.h
new file mode 100644
index 000000000000..22fe922ac9cf
--- /dev/null
+++ b/drivers/gpu/drm/i915/display/intel_tc.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2019 Intel Corporation
+ */
+
+#ifndef __INTEL_TC_H__
+#define __INTEL_TC_H__
+
+#include <linux/mutex.h>
+#include <linux/types.h>
+
+#include "intel_drv.h"
+
+bool intel_tc_port_connected(struct intel_digital_port *dig_port);
+u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port);
+int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);
+void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
+				      int required_lanes);
+
+void intel_tc_port_sanitize(struct intel_digital_port *dig_port);
+void intel_tc_port_lock(struct intel_digital_port *dig_port);
+void intel_tc_port_unlock(struct intel_digital_port *dig_port);
+void intel_tc_port_get_link(struct intel_digital_port *dig_port,
+			    int required_lanes);
+void intel_tc_port_put_link(struct intel_digital_port *dig_port);
+
+static inline int intel_tc_port_ref_held(struct intel_digital_port *dig_port)
+{
+	return mutex_is_locked(&dig_port->tc_lock) ||
+	       dig_port->tc_link_refcount;
+}
+
+void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy);
+
+#endif /* __INTEL_TC_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index 5ddbe71ab423..09cd37fb0b1c 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -310,10 +310,13 @@ enum vbt_gmbus_ddi {
 	DDC_BUS_DDI_F,
 	ICL_DDC_BUS_DDI_A = 0x1,
 	ICL_DDC_BUS_DDI_B,
+	TGL_DDC_BUS_DDI_C,
 	ICL_DDC_BUS_PORT_1 = 0x4,
 	ICL_DDC_BUS_PORT_2,
 	ICL_DDC_BUS_PORT_3,
 	ICL_DDC_BUS_PORT_4,
+	TGL_DDC_BUS_PORT_5,
+	TGL_DDC_BUS_PORT_6,
 	MCC_DDC_BUS_DDI_A = 0x1,
 	MCC_DDC_BUS_DDI_B,
 	MCC_DDC_BUS_DDI_C = 0x4,
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index ffec807b8960..4ab19c432ef5 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -459,17 +459,23 @@ int intel_dp_compute_dsc_params(struct intel_dp *intel_dp,
 enum intel_display_power_domain
 intel_dsc_power_domain(const struct intel_crtc_state *crtc_state)
 {
+	struct drm_i915_private *i915 = to_i915(crtc_state->base.crtc->dev);
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
 
 	/*
-	 * On ICL VDSC/joining for eDP transcoder uses a separate power well PW2
-	 * This requires POWER_DOMAIN_TRANSCODER_EDP_VDSC power domain.
+	 * On ICL VDSC/joining for eDP transcoder uses a separate power well,
+	 * PW2. This requires POWER_DOMAIN_TRANSCODER_VDSC_PW2 power domain.
 	 * For any other transcoder, VDSC/joining uses the power well associated
 	 * with the pipe/transcoder in use. Hence another reference on the
 	 * transcoder power domain will suffice.
+	 *
+	 * On TGL we have the same mapping, but for transcoder A (the special
+	 * TRANSCODER_EDP is gone).
 	 */
-	if (cpu_transcoder == TRANSCODER_EDP)
-		return POWER_DOMAIN_TRANSCODER_EDP_VDSC;
+	if (INTEL_GEN(i915) >= 12 && cpu_transcoder == TRANSCODER_A)
+		return POWER_DOMAIN_TRANSCODER_VDSC_PW2;
+	else if (cpu_transcoder == TRANSCODER_EDP)
+		return POWER_DOMAIN_TRANSCODER_VDSC_PW2;
 	else
 		return POWER_DOMAIN_TRANSCODER(cpu_transcoder);
 }
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c
index e272d826210a..c8002ffd29e7 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/display/vlv_dsi.c
@@ -1644,7 +1644,7 @@ vlv_dsi_get_panel_orientation(struct intel_connector *connector)
 	return intel_dsi_get_panel_orientation(connector);
 }
 
-static void intel_dsi_add_properties(struct intel_connector *connector)
+static void vlv_dsi_add_properties(struct intel_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
 
@@ -1983,7 +1983,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	intel_panel_init(&intel_connector->panel, fixed_mode, NULL);
 	intel_panel_setup_backlight(connector, INVALID_PIPE);
 
-	intel_dsi_add_properties(intel_connector);
+	vlv_dsi_add_properties(intel_connector);
 
 	return;