1 files changed, 46 insertions, 71 deletions

diff --git a/drivers/gpu/drm/i915/intel_dpll_mgr.c b/drivers/gpu/drm/i915/intel_dpll_mgr.c
index e6cac9225536..901e15063b24 100644
--- a/drivers/gpu/drm/i915/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/intel_dpll_mgr.c
@@ -126,16 +126,16 @@ void assert_shared_dpll(struct drm_i915_private *dev_priv,
 
 /**
  * intel_prepare_shared_dpll - call a dpll's prepare hook
- * @crtc: CRTC which has a shared dpll
+ * @crtc_state: CRTC, and its state, which has a shared dpll
  *
  * This calls the PLL's prepare hook if it has one and if the PLL is not
  * already enabled. The prepare hook is platform specific.
  */
-void intel_prepare_shared_dpll(struct intel_crtc *crtc)
+void intel_prepare_shared_dpll(const struct intel_crtc_state *crtc_state)
 {
-	struct drm_device *dev = crtc->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_shared_dpll *pll = crtc->config->shared_dpll;
+	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 = crtc_state->shared_dpll;
 
 	if (WARN_ON(pll == NULL))
 		return;
@@ -154,15 +154,15 @@ void intel_prepare_shared_dpll(struct intel_crtc *crtc)
 
 /**
  * intel_enable_shared_dpll - enable a CRTC's shared DPLL
- * @crtc: CRTC which has a shared DPLL
+ * @crtc_state: CRTC, and its state, which has a shared DPLL
  *
  * Enable the shared DPLL used by @crtc.
  */
-void intel_enable_shared_dpll(struct intel_crtc *crtc)
+void intel_enable_shared_dpll(const struct intel_crtc_state *crtc_state)
 {
-	struct drm_device *dev = crtc->base.dev;
-	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_shared_dpll *pll = crtc->config->shared_dpll;
+	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 = crtc_state->shared_dpll;
 	unsigned int crtc_mask = drm_crtc_mask(&crtc->base);
 	unsigned int old_mask;
 
@@ -199,14 +199,15 @@ out:
 
 /**
  * intel_disable_shared_dpll - disable a CRTC's shared DPLL
- * @crtc: CRTC which has a shared DPLL
+ * @crtc_state: CRTC, and its state, which has a shared DPLL
  *
  * Disable the shared DPLL used by @crtc.
  */
-void intel_disable_shared_dpll(struct intel_crtc *crtc)
+void intel_disable_shared_dpll(const struct intel_crtc_state *crtc_state)
 {
+	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 = crtc->config->shared_dpll;
+	struct intel_shared_dpll *pll = crtc_state->shared_dpll;
 	unsigned int crtc_mask = drm_crtc_mask(&crtc->base);
 
 	/* PCH only available on ILK+ */
@@ -409,14 +410,6 @@ static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv,
 				 struct intel_shared_dpll *pll)
 {
 	const enum intel_dpll_id id = pll->info->id;
-	struct drm_device *dev = &dev_priv->drm;
-	struct intel_crtc *crtc;
-
-	/* Make sure no transcoder isn't still depending on us. */
-	for_each_intel_crtc(dev, crtc) {
-		if (crtc->config->shared_dpll == pll)
-			assert_pch_transcoder_disabled(dev_priv, crtc->pipe);
-	}
 
 	I915_WRITE(PCH_DPLL(id), 0);
 	POSTING_READ(PCH_DPLL(id));
@@ -2628,11 +2621,16 @@ static enum port icl_mg_pll_id_to_port(enum intel_dpll_id id)
 	return id - DPLL_ID_ICL_MGPLL1 + PORT_C;
 }
 
-static enum intel_dpll_id icl_port_to_mg_pll_id(enum port port)
+enum intel_dpll_id icl_port_to_mg_pll_id(enum port port)
 {
 	return port - PORT_C + DPLL_ID_ICL_MGPLL1;
 }
 
+bool intel_dpll_is_combophy(enum intel_dpll_id id)
+{
+	return id == DPLL_ID_ICL_DPLL0 || id == DPLL_ID_ICL_DPLL1;
+}
+
 static bool icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc,
 				     uint32_t *target_dco_khz,
 				     struct intel_dpll_hw_state *state)
@@ -2874,8 +2872,8 @@ static struct intel_shared_dpll *
 icl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
 	     struct intel_encoder *encoder)
 {
-	struct intel_digital_port *intel_dig_port =
-			enc_to_dig_port(&encoder->base);
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_digital_port *intel_dig_port;
 	struct intel_shared_dpll *pll;
 	struct intel_dpll_hw_state pll_state = {};
 	enum port port = encoder->port;
@@ -2883,18 +2881,21 @@ icl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
 	int clock = crtc_state->port_clock;
 	bool ret;
 
-	switch (port) {
-	case PORT_A:
-	case PORT_B:
+	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, clock,
 					  &pll_state);
-		break;
-	case PORT_C:
-	case PORT_D:
-	case PORT_E:
-	case PORT_F:
+	} else if (intel_port_is_tc(dev_priv, port)) {
+		if (encoder->type == INTEL_OUTPUT_DP_MST) {
+			struct intel_dp_mst_encoder *mst_encoder;
+
+			mst_encoder = enc_to_mst(&encoder->base);
+			intel_dig_port = mst_encoder->primary;
+		} else {
+			intel_dig_port = enc_to_dig_port(&encoder->base);
+		}
+
 		if (intel_dig_port->tc_type == TC_PORT_TBT) {
 			min = DPLL_ID_ICL_TBTPLL;
 			max = min;
@@ -2906,8 +2907,7 @@ icl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
 			ret = icl_calc_mg_pll_state(crtc_state, encoder, clock,
 						    &pll_state);
 		}
-		break;
-	default:
+	} else {
 		MISSING_CASE(port);
 		return NULL;
 	}
@@ -2932,21 +2932,16 @@ icl_get_dpll(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state,
 
 static i915_reg_t icl_pll_id_to_enable_reg(enum intel_dpll_id id)
 {
-	switch (id) {
-	default:
-		MISSING_CASE(id);
-		/* fall through */
-	case DPLL_ID_ICL_DPLL0:
-	case DPLL_ID_ICL_DPLL1:
+	if (intel_dpll_is_combophy(id))
 		return CNL_DPLL_ENABLE(id);
-	case DPLL_ID_ICL_TBTPLL:
+	else if (id == DPLL_ID_ICL_TBTPLL)
 		return TBT_PLL_ENABLE;
-	case DPLL_ID_ICL_MGPLL1:
-	case DPLL_ID_ICL_MGPLL2:
-	case DPLL_ID_ICL_MGPLL3:
-	case DPLL_ID_ICL_MGPLL4:
+	else
+		/*
+		 * TODO: Make MG_PLL macros use
+		 * tc port id instead of port id
+		 */
 		return MG_PLL_ENABLE(icl_mg_pll_id_to_port(id));
-	}
 }
 
 static bool icl_pll_get_hw_state(struct drm_i915_private *dev_priv,
@@ -2965,17 +2960,11 @@ static bool icl_pll_get_hw_state(struct drm_i915_private *dev_priv,
 	if (!(val & PLL_ENABLE))
 		goto out;
 
-	switch (id) {
-	case DPLL_ID_ICL_DPLL0:
-	case DPLL_ID_ICL_DPLL1:
-	case DPLL_ID_ICL_TBTPLL:
+	if (intel_dpll_is_combophy(id) ||
+	    id == DPLL_ID_ICL_TBTPLL) {
 		hw_state->cfgcr0 = I915_READ(ICL_DPLL_CFGCR0(id));
 		hw_state->cfgcr1 = I915_READ(ICL_DPLL_CFGCR1(id));
-		break;
-	case DPLL_ID_ICL_MGPLL1:
-	case DPLL_ID_ICL_MGPLL2:
-	case DPLL_ID_ICL_MGPLL3:
-	case DPLL_ID_ICL_MGPLL4:
+	} else {
 		port = icl_mg_pll_id_to_port(id);
 		hw_state->mg_refclkin_ctl = I915_READ(MG_REFCLKIN_CTL(port));
 		hw_state->mg_refclkin_ctl &= MG_REFCLKIN_CTL_OD_2_MUX_MASK;
@@ -3013,9 +3002,6 @@ static bool icl_pll_get_hw_state(struct drm_i915_private *dev_priv,
 
 		hw_state->mg_pll_tdc_coldst_bias &= hw_state->mg_pll_tdc_coldst_bias_mask;
 		hw_state->mg_pll_bias &= hw_state->mg_pll_bias_mask;
-		break;
-	default:
-		MISSING_CASE(id);
 	}
 
 	ret = true;
@@ -3104,21 +3090,10 @@ static void icl_pll_enable(struct drm_i915_private *dev_priv,
 				    PLL_POWER_STATE, 1))
 		DRM_ERROR("PLL %d Power not enabled\n", id);
 
-	switch (id) {
-	case DPLL_ID_ICL_DPLL0:
-	case DPLL_ID_ICL_DPLL1:
-	case DPLL_ID_ICL_TBTPLL:
+	if (intel_dpll_is_combophy(id) || id == DPLL_ID_ICL_TBTPLL)
 		icl_dpll_write(dev_priv, pll);
-		break;
-	case DPLL_ID_ICL_MGPLL1:
-	case DPLL_ID_ICL_MGPLL2:
-	case DPLL_ID_ICL_MGPLL3:
-	case DPLL_ID_ICL_MGPLL4:
+	else
 		icl_mg_pll_write(dev_priv, pll);
-		break;
-	default:
-		MISSING_CASE(id);
-	}
 
 	/*
 	 * DVFS pre sequence would be here, but in our driver the cdclk code