1 files changed, 143 insertions, 205 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index cfb567df71b3..f9e7e3d1c7d0 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -321,10 +321,11 @@ static void ddi_dotclock_get(struct intel_crtc_state *pipe_config)
 {
 	int dotclock;
 
+	/* CRT dotclock is determined via other means */
 	if (pipe_config->has_pch_encoder)
-		dotclock = intel_dotclock_calculate(pipe_config->port_clock,
-						    &pipe_config->fdi_m_n);
-	else if (intel_crtc_has_dp_encoder(pipe_config))
+		return;
+
+	if (intel_crtc_has_dp_encoder(pipe_config))
 		dotclock = intel_dotclock_calculate(pipe_config->port_clock,
 						    &pipe_config->dp_m_n);
 	else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp > 24)
@@ -1039,7 +1040,6 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder,
 					 const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	int level = intel_ddi_level(encoder, crtc_state, 0);
 	const struct intel_ddi_buf_trans *trans;
 	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 	int n_entries, ln;
@@ -1068,32 +1068,36 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder,
 	intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val);
 
 	/* Program PORT_TX_DW2 */
-	val = intel_de_read(dev_priv, ICL_PORT_TX_DW2_LN(0, phy));
-	val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
-		 RCOMP_SCALAR_MASK);
-	val |= SWING_SEL_UPPER(trans->entries[level].icl.dw2_swing_sel);
-	val |= SWING_SEL_LOWER(trans->entries[level].icl.dw2_swing_sel);
-	/* Program Rcomp scalar for every table entry */
-	val |= RCOMP_SCALAR(0x98);
-	intel_de_write(dev_priv, ICL_PORT_TX_DW2_GRP(phy), val);
+	for (ln = 0; ln < 4; ln++) {
+		int level = intel_ddi_level(encoder, crtc_state, ln);
+
+		intel_de_rmw(dev_priv, ICL_PORT_TX_DW2_LN(ln, phy),
+			     SWING_SEL_UPPER_MASK | SWING_SEL_LOWER_MASK | RCOMP_SCALAR_MASK,
+			     SWING_SEL_UPPER(trans->entries[level].icl.dw2_swing_sel) |
+			     SWING_SEL_LOWER(trans->entries[level].icl.dw2_swing_sel) |
+			     RCOMP_SCALAR(0x98));
+	}
 
 	/* Program PORT_TX_DW4 */
 	/* We cannot write to GRP. It would overwrite individual loadgen. */
 	for (ln = 0; ln < 4; ln++) {
-		val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy));
-		val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
-			 CURSOR_COEFF_MASK);
-		val |= POST_CURSOR_1(trans->entries[level].icl.dw4_post_cursor_1);
-		val |= POST_CURSOR_2(trans->entries[level].icl.dw4_post_cursor_2);
-		val |= CURSOR_COEFF(trans->entries[level].icl.dw4_cursor_coeff);
-		intel_de_write(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), val);
+		int level = intel_ddi_level(encoder, crtc_state, ln);
+
+		intel_de_rmw(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy),
+			     POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK,
+			     POST_CURSOR_1(trans->entries[level].icl.dw4_post_cursor_1) |
+			     POST_CURSOR_2(trans->entries[level].icl.dw4_post_cursor_2) |
+			     CURSOR_COEFF(trans->entries[level].icl.dw4_cursor_coeff));
 	}
 
 	/* Program PORT_TX_DW7 */
-	val = intel_de_read(dev_priv, ICL_PORT_TX_DW7_LN(0, phy));
-	val &= ~N_SCALAR_MASK;
-	val |= N_SCALAR(trans->entries[level].icl.dw7_n_scalar);
-	intel_de_write(dev_priv, ICL_PORT_TX_DW7_GRP(phy), val);
+	for (ln = 0; ln < 4; ln++) {
+		int level = intel_ddi_level(encoder, crtc_state, ln);
+
+		intel_de_rmw(dev_priv, ICL_PORT_TX_DW7_LN(ln, phy),
+			     N_SCALAR_MASK,
+			     N_SCALAR(trans->entries[level].icl.dw7_n_scalar));
+	}
 }
 
 static void icl_combo_phy_set_signal_levels(struct intel_encoder *encoder,
@@ -1124,16 +1128,14 @@ static void icl_combo_phy_set_signal_levels(struct intel_encoder *encoder,
 	 * > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0)
 	 */
 	for (ln = 0; ln < 4; ln++) {
-		val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy));
-		val &= ~LOADGEN_SELECT;
-		val |= icl_combo_phy_loadgen_select(crtc_state, ln);
-		intel_de_write(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), val);
+		intel_de_rmw(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy),
+			     LOADGEN_SELECT,
+			     icl_combo_phy_loadgen_select(crtc_state, ln));
 	}
 
 	/* 3. Set PORT_CL_DW5 SUS Clock Config to 11b */
-	val = intel_de_read(dev_priv, ICL_PORT_CL_DW5(phy));
-	val |= SUS_CLOCK_CONFIG;
-	intel_de_write(dev_priv, ICL_PORT_CL_DW5(phy), val);
+	intel_de_rmw(dev_priv, ICL_PORT_CL_DW5(phy),
+		     0, SUS_CLOCK_CONFIG);
 
 	/* 4. Clear training enable to change swing values */
 	val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN(0, phy));
@@ -1154,10 +1156,8 @@ static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port);
-	int level = intel_ddi_level(encoder, crtc_state, 0);
 	const struct intel_ddi_buf_trans *trans;
 	int n_entries, ln;
-	u32 val;
 
 	if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder)))
 		return;
@@ -1166,53 +1166,51 @@ static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder,
 	if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans))
 		return;
 
-	/* Set MG_TX_LINK_PARAMS cri_use_fs32 to 0. */
 	for (ln = 0; ln < 2; ln++) {
-		val = intel_de_read(dev_priv, MG_TX1_LINK_PARAMS(ln, tc_port));
-		val &= ~CRI_USE_FS32;
-		intel_de_write(dev_priv, MG_TX1_LINK_PARAMS(ln, tc_port), val);
-
-		val = intel_de_read(dev_priv, MG_TX2_LINK_PARAMS(ln, tc_port));
-		val &= ~CRI_USE_FS32;
-		intel_de_write(dev_priv, MG_TX2_LINK_PARAMS(ln, tc_port), val);
+		intel_de_rmw(dev_priv, MG_TX1_LINK_PARAMS(ln, tc_port),
+			     CRI_USE_FS32, 0);
+		intel_de_rmw(dev_priv, MG_TX2_LINK_PARAMS(ln, tc_port),
+			     CRI_USE_FS32, 0);
 	}
 
 	/* Program MG_TX_SWINGCTRL with values from vswing table */
 	for (ln = 0; ln < 2; ln++) {
-		val = intel_de_read(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port));
-		val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK;
-		val |= CRI_TXDEEMPH_OVERRIDE_17_12(
-			trans->entries[level].mg.cri_txdeemph_override_17_12);
-		intel_de_write(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port), val);
-
-		val = intel_de_read(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port));
-		val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK;
-		val |= CRI_TXDEEMPH_OVERRIDE_17_12(
-			trans->entries[level].mg.cri_txdeemph_override_17_12);
-		intel_de_write(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port), val);
+		int level;
+
+		level = intel_ddi_level(encoder, crtc_state, 2*ln+0);
+
+		intel_de_rmw(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port),
+			     CRI_TXDEEMPH_OVERRIDE_17_12_MASK,
+			     CRI_TXDEEMPH_OVERRIDE_17_12(trans->entries[level].mg.cri_txdeemph_override_17_12));
+
+		level = intel_ddi_level(encoder, crtc_state, 2*ln+1);
+
+		intel_de_rmw(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port),
+			     CRI_TXDEEMPH_OVERRIDE_17_12_MASK,
+			     CRI_TXDEEMPH_OVERRIDE_17_12(trans->entries[level].mg.cri_txdeemph_override_17_12));
 	}
 
 	/* Program MG_TX_DRVCTRL with values from vswing table */
 	for (ln = 0; ln < 2; ln++) {
-		val = intel_de_read(dev_priv, MG_TX1_DRVCTRL(ln, tc_port));
-		val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK |
-			 CRI_TXDEEMPH_OVERRIDE_5_0_MASK);
-		val |= CRI_TXDEEMPH_OVERRIDE_5_0(
-			trans->entries[level].mg.cri_txdeemph_override_5_0) |
-			CRI_TXDEEMPH_OVERRIDE_11_6(
-				trans->entries[level].mg.cri_txdeemph_override_11_6) |
-			CRI_TXDEEMPH_OVERRIDE_EN;
-		intel_de_write(dev_priv, MG_TX1_DRVCTRL(ln, tc_port), val);
-
-		val = intel_de_read(dev_priv, MG_TX2_DRVCTRL(ln, tc_port));
-		val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK |
-			 CRI_TXDEEMPH_OVERRIDE_5_0_MASK);
-		val |= CRI_TXDEEMPH_OVERRIDE_5_0(
-			trans->entries[level].mg.cri_txdeemph_override_5_0) |
-			CRI_TXDEEMPH_OVERRIDE_11_6(
-				trans->entries[level].mg.cri_txdeemph_override_11_6) |
-			CRI_TXDEEMPH_OVERRIDE_EN;
-		intel_de_write(dev_priv, MG_TX2_DRVCTRL(ln, tc_port), val);
+		int level;
+
+		level = intel_ddi_level(encoder, crtc_state, 2*ln+0);
+
+		intel_de_rmw(dev_priv, MG_TX1_DRVCTRL(ln, tc_port),
+			     CRI_TXDEEMPH_OVERRIDE_11_6_MASK |
+			     CRI_TXDEEMPH_OVERRIDE_5_0_MASK,
+			     CRI_TXDEEMPH_OVERRIDE_11_6(trans->entries[level].mg.cri_txdeemph_override_11_6) |
+			     CRI_TXDEEMPH_OVERRIDE_5_0(trans->entries[level].mg.cri_txdeemph_override_5_0) |
+			     CRI_TXDEEMPH_OVERRIDE_EN);
+
+		level = intel_ddi_level(encoder, crtc_state, 2*ln+1);
+
+		intel_de_rmw(dev_priv, MG_TX2_DRVCTRL(ln, tc_port),
+			     CRI_TXDEEMPH_OVERRIDE_11_6_MASK |
+			     CRI_TXDEEMPH_OVERRIDE_5_0_MASK,
+			     CRI_TXDEEMPH_OVERRIDE_11_6(trans->entries[level].mg.cri_txdeemph_override_11_6) |
+			     CRI_TXDEEMPH_OVERRIDE_5_0(trans->entries[level].mg.cri_txdeemph_override_5_0) |
+			     CRI_TXDEEMPH_OVERRIDE_EN);
 
 		/* FIXME: Program CRI_LOADGEN_SEL after the spec is updated */
 	}
@@ -1223,50 +1221,34 @@ static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder,
 	 * values from table for which TX1 and TX2 enabled.
 	 */
 	for (ln = 0; ln < 2; ln++) {
-		val = intel_de_read(dev_priv, MG_CLKHUB(ln, tc_port));
-		if (crtc_state->port_clock < 300000)
-			val |= CFG_LOW_RATE_LKREN_EN;
-		else
-			val &= ~CFG_LOW_RATE_LKREN_EN;
-		intel_de_write(dev_priv, MG_CLKHUB(ln, tc_port), val);
+		intel_de_rmw(dev_priv, MG_CLKHUB(ln, tc_port),
+			     CFG_LOW_RATE_LKREN_EN,
+			     crtc_state->port_clock < 300000 ? CFG_LOW_RATE_LKREN_EN : 0);
 	}
 
 	/* Program the MG_TX_DCC<LN, port being used> based on the link frequency */
 	for (ln = 0; ln < 2; ln++) {
-		val = intel_de_read(dev_priv, MG_TX1_DCC(ln, tc_port));
-		val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK;
-		if (crtc_state->port_clock <= 500000) {
-			val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN;
-		} else {
-			val |= CFG_AMI_CK_DIV_OVERRIDE_EN |
-				CFG_AMI_CK_DIV_OVERRIDE_VAL(1);
-		}
-		intel_de_write(dev_priv, MG_TX1_DCC(ln, tc_port), val);
-
-		val = intel_de_read(dev_priv, MG_TX2_DCC(ln, tc_port));
-		val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK;
-		if (crtc_state->port_clock <= 500000) {
-			val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN;
-		} else {
-			val |= CFG_AMI_CK_DIV_OVERRIDE_EN |
-				CFG_AMI_CK_DIV_OVERRIDE_VAL(1);
-		}
-		intel_de_write(dev_priv, MG_TX2_DCC(ln, tc_port), val);
+		intel_de_rmw(dev_priv, MG_TX1_DCC(ln, tc_port),
+			     CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK |
+			     CFG_AMI_CK_DIV_OVERRIDE_EN,
+			     crtc_state->port_clock > 500000 ?
+			     CFG_AMI_CK_DIV_OVERRIDE_VAL(1) |
+			     CFG_AMI_CK_DIV_OVERRIDE_EN : 0);
+
+		intel_de_rmw(dev_priv, MG_TX2_DCC(ln, tc_port),
+			     CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK |
+			     CFG_AMI_CK_DIV_OVERRIDE_EN,
+			     crtc_state->port_clock > 500000 ?
+			     CFG_AMI_CK_DIV_OVERRIDE_VAL(1) |
+			     CFG_AMI_CK_DIV_OVERRIDE_EN : 0);
 	}
 
 	/* Program MG_TX_PISO_READLOAD with values from vswing table */
 	for (ln = 0; ln < 2; ln++) {
-		val = intel_de_read(dev_priv,
-				    MG_TX1_PISO_READLOAD(ln, tc_port));
-		val |= CRI_CALCINIT;
-		intel_de_write(dev_priv, MG_TX1_PISO_READLOAD(ln, tc_port),
-			       val);
-
-		val = intel_de_read(dev_priv,
-				    MG_TX2_PISO_READLOAD(ln, tc_port));
-		val |= CRI_CALCINIT;
-		intel_de_write(dev_priv, MG_TX2_PISO_READLOAD(ln, tc_port),
-			       val);
+		intel_de_rmw(dev_priv, MG_TX1_PISO_READLOAD(ln, tc_port),
+			     0, CRI_CALCINIT);
+		intel_de_rmw(dev_priv, MG_TX2_PISO_READLOAD(ln, tc_port),
+			     0, CRI_CALCINIT);
 	}
 }
 
@@ -1275,9 +1257,7 @@ static void tgl_dkl_phy_set_signal_levels(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port);
-	int level = intel_ddi_level(encoder, crtc_state, 0);
 	const struct intel_ddi_buf_trans *trans;
-	u32 val, dpcnt_mask, dpcnt_val;
 	int n_entries, ln;
 
 	if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder)))
@@ -1287,33 +1267,36 @@ static void tgl_dkl_phy_set_signal_levels(struct intel_encoder *encoder,
 	if (drm_WARN_ON_ONCE(&dev_priv->drm, !trans))
 		return;
 
-	dpcnt_mask = (DKL_TX_PRESHOOT_COEFF_MASK |
-		      DKL_TX_DE_EMPAHSIS_COEFF_MASK |
-		      DKL_TX_VSWING_CONTROL_MASK);
-	dpcnt_val = DKL_TX_VSWING_CONTROL(trans->entries[level].dkl.vswing);
-	dpcnt_val |= DKL_TX_DE_EMPHASIS_COEFF(trans->entries[level].dkl.de_emphasis);
-	dpcnt_val |= DKL_TX_PRESHOOT_COEFF(trans->entries[level].dkl.preshoot);
-
 	for (ln = 0; ln < 2; ln++) {
+		int level;
+
 		intel_de_write(dev_priv, HIP_INDEX_REG(tc_port),
 			       HIP_INDEX_VAL(tc_port, ln));
 
 		intel_de_write(dev_priv, DKL_TX_PMD_LANE_SUS(tc_port), 0);
 
-		/* All the registers are RMW */
-		val = intel_de_read(dev_priv, DKL_TX_DPCNTL0(tc_port));
-		val &= ~dpcnt_mask;
-		val |= dpcnt_val;
-		intel_de_write(dev_priv, DKL_TX_DPCNTL0(tc_port), val);
+		level = intel_ddi_level(encoder, crtc_state, 2*ln+0);
+
+		intel_de_rmw(dev_priv, DKL_TX_DPCNTL0(tc_port),
+			     DKL_TX_PRESHOOT_COEFF_MASK |
+			     DKL_TX_DE_EMPAHSIS_COEFF_MASK |
+			     DKL_TX_VSWING_CONTROL_MASK,
+			     DKL_TX_PRESHOOT_COEFF(trans->entries[level].dkl.preshoot) |
+			     DKL_TX_DE_EMPHASIS_COEFF(trans->entries[level].dkl.de_emphasis) |
+			     DKL_TX_VSWING_CONTROL(trans->entries[level].dkl.vswing));
+
+		level = intel_ddi_level(encoder, crtc_state, 2*ln+1);
 
-		val = intel_de_read(dev_priv, DKL_TX_DPCNTL1(tc_port));
-		val &= ~dpcnt_mask;
-		val |= dpcnt_val;
-		intel_de_write(dev_priv, DKL_TX_DPCNTL1(tc_port), val);
+		intel_de_rmw(dev_priv, DKL_TX_DPCNTL1(tc_port),
+			     DKL_TX_PRESHOOT_COEFF_MASK |
+			     DKL_TX_DE_EMPAHSIS_COEFF_MASK |
+			     DKL_TX_VSWING_CONTROL_MASK,
+			     DKL_TX_PRESHOOT_COEFF(trans->entries[level].dkl.preshoot) |
+			     DKL_TX_DE_EMPHASIS_COEFF(trans->entries[level].dkl.de_emphasis) |
+			     DKL_TX_VSWING_CONTROL(trans->entries[level].dkl.vswing));
 
-		val = intel_de_read(dev_priv, DKL_TX_DPCNTL2(tc_port));
-		val &= ~DKL_TX_DP20BITMODE;
-		intel_de_write(dev_priv, DKL_TX_DPCNTL2(tc_port), val);
+		intel_de_rmw(dev_priv, DKL_TX_DPCNTL2(tc_port),
+			     DKL_TX_DP20BITMODE, 0);
 	}
 }
 
@@ -1938,7 +1921,7 @@ void intel_ddi_enable_clock(struct intel_encoder *encoder,
 		encoder->enable_clock(encoder, crtc_state);
 }
 
-static void intel_ddi_disable_clock(struct intel_encoder *encoder)
+void intel_ddi_disable_clock(struct intel_encoder *encoder)
 {
 	if (encoder->disable_clock)
 		encoder->disable_clock(encoder);
@@ -2385,7 +2368,10 @@ static void dg2_ddi_pre_enable_dp(struct intel_atomic_state *state,
 
 	/* 5.k Configure and enable FEC if needed */
 	intel_ddi_enable_fec(encoder, crtc_state);
-	intel_dsc_enable(encoder, crtc_state);
+
+	intel_dsc_dp_pps_write(encoder, crtc_state);
+
+	intel_dsc_enable(crtc_state);
 }
 
 static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
@@ -2519,8 +2505,11 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state,
 
 	/* 7.l Configure and enable FEC if needed */
 	intel_ddi_enable_fec(encoder, crtc_state);
+
+	intel_dsc_dp_pps_write(encoder, crtc_state);
+
 	if (!crtc_state->bigjoiner)
-		intel_dsc_enable(encoder, crtc_state);
+		intel_dsc_enable(crtc_state);
 }
 
 static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
@@ -2585,8 +2574,10 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state,
 	if (!is_mst)
 		intel_ddi_enable_pipe_clock(encoder, crtc_state);
 
+	intel_dsc_dp_pps_write(encoder, crtc_state);
+
 	if (!crtc_state->bigjoiner)
-		intel_dsc_enable(encoder, crtc_state);
+		intel_dsc_enable(crtc_state);
 }
 
 static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state,
@@ -2824,12 +2815,10 @@ static void intel_ddi_post_disable(struct intel_atomic_state *state,
 	}
 
 	if (old_crtc_state->bigjoiner_linked_crtc) {
-		struct intel_atomic_state *state =
-			to_intel_atomic_state(old_crtc_state->uapi.state);
-		struct intel_crtc *slave =
+		struct intel_crtc *slave_crtc =
 			old_crtc_state->bigjoiner_linked_crtc;
 		const struct intel_crtc_state *old_slave_crtc_state =
-			intel_atomic_get_old_crtc_state(state, slave);
+			intel_atomic_get_old_crtc_state(state, slave_crtc);
 
 		intel_crtc_vblank_off(old_slave_crtc_state);
 
@@ -2866,41 +2855,6 @@ static void intel_ddi_post_disable(struct intel_atomic_state *state,
 		intel_tc_port_put_link(dig_port);
 }
 
-void intel_ddi_fdi_post_disable(struct intel_atomic_state *state,
-				struct intel_encoder *encoder,
-				const struct intel_crtc_state *old_crtc_state,
-				const struct drm_connector_state *old_conn_state)
-{
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	u32 val;
-
-	/*
-	 * Bspec lists this as both step 13 (before DDI_BUF_CTL disable)
-	 * and step 18 (after clearing PORT_CLK_SEL). Based on a BUN,
-	 * step 13 is the correct place for it. Step 18 is where it was
-	 * originally before the BUN.
-	 */
-	val = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A));
-	val &= ~FDI_RX_ENABLE;
-	intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val);
-
-	intel_disable_ddi_buf(encoder, old_crtc_state);
-	intel_ddi_disable_clock(encoder);
-
-	val = intel_de_read(dev_priv, FDI_RX_MISC(PIPE_A));
-	val &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK);
-	val |= FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2);
-	intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), val);
-
-	val = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A));
-	val &= ~FDI_PCDCLK;
-	intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val);
-
-	val = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A));
-	val &= ~FDI_RX_PLL_ENABLE;
-	intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val);
-}
-
 static void trans_port_sync_stop_link_train(struct intel_atomic_state *state,
 					    struct intel_encoder *encoder,
 					    const struct intel_crtc_state *crtc_state)
@@ -3095,6 +3049,12 @@ static void intel_disable_ddi_dp(struct intel_atomic_state *state,
 
 	intel_dp->link_trained = false;
 
+	if (old_crtc_state->has_audio)
+		intel_audio_codec_disable(encoder,
+					  old_crtc_state, old_conn_state);
+
+	intel_drrs_disable(intel_dp, old_crtc_state);
+	intel_psr_disable(intel_dp, old_crtc_state);
 	intel_edp_backlight_off(old_conn_state);
 	/* Disable the decompression in DP Sink */
 	intel_dp_sink_set_decompression_state(intel_dp, old_crtc_state,
@@ -3112,6 +3072,10 @@ static void intel_disable_ddi_hdmi(struct intel_atomic_state *state,
 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
 	struct drm_connector *connector = old_conn_state->connector;
 
+	if (old_crtc_state->has_audio)
+		intel_audio_codec_disable(encoder,
+					  old_crtc_state, old_conn_state);
+
 	if (!intel_hdmi_handle_sink_scrambling(encoder, connector,
 					       false, false))
 		drm_dbg_kms(&i915->drm,
@@ -3119,25 +3083,6 @@ static void intel_disable_ddi_hdmi(struct intel_atomic_state *state,
 			    connector->base.id, connector->name);
 }
 
-static void intel_pre_disable_ddi(struct intel_atomic_state *state,
-				  struct intel_encoder *encoder,
-				  const struct intel_crtc_state *old_crtc_state,
-				  const struct drm_connector_state *old_conn_state)
-{
-	struct intel_dp *intel_dp;
-
-	if (old_crtc_state->has_audio)
-		intel_audio_codec_disable(encoder, old_crtc_state,
-					  old_conn_state);
-
-	if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI))
-		return;
-
-	intel_dp = enc_to_intel_dp(encoder);
-	intel_drrs_disable(intel_dp, old_crtc_state);
-	intel_psr_disable(intel_dp, old_crtc_state);
-}
-
 static void intel_disable_ddi(struct intel_atomic_state *state,
 			      struct intel_encoder *encoder,
 			      const struct intel_crtc_state *old_crtc_state,
@@ -3195,8 +3140,14 @@ intel_ddi_update_prepare(struct intel_atomic_state *state,
 
 	intel_tc_port_get_link(enc_to_dig_port(encoder),
 		               required_lanes);
-	if (crtc_state && crtc_state->hw.active)
+	if (crtc_state && crtc_state->hw.active) {
+		struct intel_crtc *slave_crtc = crtc_state->bigjoiner_linked_crtc;
+
 		intel_update_active_dpll(state, crtc, encoder);
+
+		if (slave_crtc)
+			intel_update_active_dpll(state, slave_crtc, encoder);
+	}
 }
 
 static void
@@ -3552,18 +3503,7 @@ static void intel_ddi_get_config(struct intel_encoder *encoder,
 	if (drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder)))
 		return;
 
-	if (pipe_config->bigjoiner_slave) {
-		/* read out pipe settings from master */
-		enum transcoder save = pipe_config->cpu_transcoder;
-
-		/* Our own transcoder needs to be disabled when reading it in intel_ddi_read_func_ctl() */
-		WARN_ON(pipe_config->output_types);
-		pipe_config->cpu_transcoder = (enum transcoder)pipe_config->bigjoiner_linked_crtc->pipe;
-		intel_ddi_read_func_ctl(encoder, pipe_config);
-		pipe_config->cpu_transcoder = save;
-	} else {
-		intel_ddi_read_func_ctl(encoder, pipe_config);
-	}
+	intel_ddi_read_func_ctl(encoder, pipe_config);
 
 	intel_ddi_mso_get_config(encoder, pipe_config);
 
@@ -3591,8 +3531,7 @@ static void intel_ddi_get_config(struct intel_encoder *encoder,
 		dev_priv->vbt.edp.bpp = pipe_config->pipe_bpp;
 	}
 
-	if (!pipe_config->bigjoiner_slave)
-		ddi_dotclock_get(pipe_config);
+	ddi_dotclock_get(pipe_config);
 
 	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
 		pipe_config->lane_lat_optim_mask =
@@ -4472,7 +4411,6 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 	encoder->enable = intel_enable_ddi;
 	encoder->pre_pll_enable = intel_ddi_pre_pll_enable;
 	encoder->pre_enable = intel_ddi_pre_enable;
-	encoder->pre_disable = intel_pre_disable_ddi;
 	encoder->disable = intel_disable_ddi;
 	encoder->post_disable = intel_ddi_post_disable;
 	encoder->update_pipe = intel_ddi_update_pipe;