1 files changed, 138 insertions, 332 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 346846609f45..af5b4055b38a 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -525,7 +525,7 @@ skl_wa_827(struct drm_i915_private *dev_priv, enum pipe pipe, bool enable)
 		               intel_de_read(dev_priv, CLKGATE_DIS_PSL(pipe)) & ~(DUPS1_GATING_DIS | DUPS2_GATING_DIS));
 }
 
-/* Wa_2006604312:icl */
+/* Wa_2006604312:icl,ehl */
 static void
 icl_wa_scalerclkgating(struct drm_i915_private *dev_priv, enum pipe pipe,
 		       bool enable)
@@ -544,17 +544,23 @@ needs_modeset(const struct intel_crtc_state *state)
 	return drm_atomic_crtc_needs_modeset(&state->uapi);
 }
 
-bool
-is_trans_port_sync_mode(const struct intel_crtc_state *crtc_state)
+static bool
+is_trans_port_sync_slave(const struct intel_crtc_state *crtc_state)
 {
-	return (crtc_state->master_transcoder != INVALID_TRANSCODER ||
-		crtc_state->sync_mode_slaves_mask);
+	return crtc_state->master_transcoder != INVALID_TRANSCODER;
 }
 
 static bool
-is_trans_port_sync_slave(const struct intel_crtc_state *crtc_state)
+is_trans_port_sync_master(const struct intel_crtc_state *crtc_state)
 {
-	return crtc_state->master_transcoder != INVALID_TRANSCODER;
+	return crtc_state->sync_mode_slaves_mask != 0;
+}
+
+bool
+is_trans_port_sync_mode(const struct intel_crtc_state *crtc_state)
+{
+	return is_trans_port_sync_master(crtc_state) ||
+		is_trans_port_sync_slave(crtc_state);
 }
 
 /*
@@ -620,45 +626,43 @@ int chv_calc_dpll_params(int refclk, struct dpll *clock)
 	return clock->dot / 5;
 }
 
-#define INTELPllInvalid(s)   do { /* DRM_DEBUG(s); */ return false; } while (0)
-
 /*
  * Returns whether the given set of divisors are valid for a given refclk with
  * the given connectors.
  */
-static bool intel_PLL_is_valid(struct drm_i915_private *dev_priv,
+static bool intel_pll_is_valid(struct drm_i915_private *dev_priv,
 			       const struct intel_limit *limit,
 			       const struct dpll *clock)
 {
-	if (clock->n   < limit->n.min   || limit->n.max   < clock->n)
-		INTELPllInvalid("n out of range\n");
-	if (clock->p1  < limit->p1.min  || limit->p1.max  < clock->p1)
-		INTELPllInvalid("p1 out of range\n");
-	if (clock->m2  < limit->m2.min  || limit->m2.max  < clock->m2)
-		INTELPllInvalid("m2 out of range\n");
-	if (clock->m1  < limit->m1.min  || limit->m1.max  < clock->m1)
-		INTELPllInvalid("m1 out of range\n");
+	if (clock->n < limit->n.min || limit->n.max < clock->n)
+		return false;
+	if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
+		return false;
+	if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2)
+		return false;
+	if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
+		return false;
 
 	if (!IS_PINEVIEW(dev_priv) && !IS_VALLEYVIEW(dev_priv) &&
 	    !IS_CHERRYVIEW(dev_priv) && !IS_GEN9_LP(dev_priv))
 		if (clock->m1 <= clock->m2)
-			INTELPllInvalid("m1 <= m2\n");
+			return false;
 
 	if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv) &&
 	    !IS_GEN9_LP(dev_priv)) {
 		if (clock->p < limit->p.min || limit->p.max < clock->p)
-			INTELPllInvalid("p out of range\n");
+			return false;
 		if (clock->m < limit->m.min || limit->m.max < clock->m)
-			INTELPllInvalid("m out of range\n");
+			return false;
 	}
 
 	if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
-		INTELPllInvalid("vco out of range\n");
+		return false;
 	/* XXX: We may need to be checking "Dot clock" depending on the multiplier,
 	 * connector, etc., rather than just a single range.
 	 */
 	if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
-		INTELPllInvalid("dot out of range\n");
+		return false;
 
 	return true;
 }
@@ -725,7 +729,7 @@ i9xx_find_best_dpll(const struct intel_limit *limit,
 					int this_err;
 
 					i9xx_calc_dpll_params(refclk, &clock);
-					if (!intel_PLL_is_valid(to_i915(dev),
+					if (!intel_pll_is_valid(to_i915(dev),
 								limit,
 								&clock))
 						continue;
@@ -781,7 +785,7 @@ pnv_find_best_dpll(const struct intel_limit *limit,
 					int this_err;
 
 					pnv_calc_dpll_params(refclk, &clock);
-					if (!intel_PLL_is_valid(to_i915(dev),
+					if (!intel_pll_is_valid(to_i915(dev),
 								limit,
 								&clock))
 						continue;
@@ -842,7 +846,7 @@ g4x_find_best_dpll(const struct intel_limit *limit,
 					int this_err;
 
 					i9xx_calc_dpll_params(refclk, &clock);
-					if (!intel_PLL_is_valid(to_i915(dev),
+					if (!intel_pll_is_valid(to_i915(dev),
 								limit,
 								&clock))
 						continue;
@@ -939,7 +943,7 @@ vlv_find_best_dpll(const struct intel_limit *limit,
 
 					vlv_calc_dpll_params(refclk, &clock);
 
-					if (!intel_PLL_is_valid(to_i915(dev),
+					if (!intel_pll_is_valid(to_i915(dev),
 								limit,
 								&clock))
 						continue;
@@ -1008,7 +1012,7 @@ chv_find_best_dpll(const struct intel_limit *limit,
 
 			chv_calc_dpll_params(refclk, &clock);
 
-			if (!intel_PLL_is_valid(to_i915(dev), limit, &clock))
+			if (!intel_pll_is_valid(to_i915(dev), limit, &clock))
 				continue;
 
 			if (!vlv_PLL_is_optimal(dev, target, &clock, best_clock,
@@ -2910,6 +2914,7 @@ intel_fb_plane_get_subsampling(int *hsub, int *vsub,
 static int
 intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int ccs_plane, int x, int y)
 {
+	struct drm_i915_private *i915 = to_i915(fb->dev);
 	struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb);
 	int main_plane;
 	int hsub, vsub;
@@ -2938,7 +2943,8 @@ intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int ccs_plane, int x, int y)
 	 * x/y offsets must match between CCS and the main surface.
 	 */
 	if (main_x != ccs_x || main_y != ccs_y) {
-		DRM_DEBUG_KMS("Bad CCS x/y (main %d,%d ccs %d,%d) full (main %d,%d ccs %d,%d)\n",
+		drm_dbg_kms(&i915->drm,
+			      "Bad CCS x/y (main %d,%d ccs %d,%d) full (main %d,%d ccs %d,%d)\n",
 			      main_x, main_y,
 			      ccs_x, ccs_y,
 			      intel_fb->normal[main_plane].x,
@@ -3336,6 +3342,8 @@ int skl_format_to_fourcc(int format, bool rgb_order, bool alpha)
 		return DRM_FORMAT_RGB565;
 	case PLANE_CTL_FORMAT_NV12:
 		return DRM_FORMAT_NV12;
+	case PLANE_CTL_FORMAT_XYUV:
+		return DRM_FORMAT_XYUV8888;
 	case PLANE_CTL_FORMAT_P010:
 		return DRM_FORMAT_P010;
 	case PLANE_CTL_FORMAT_P012:
@@ -4580,6 +4588,8 @@ static u32 skl_plane_ctl_format(u32 pixel_format)
 	case DRM_FORMAT_XRGB16161616F:
 	case DRM_FORMAT_ARGB16161616F:
 		return PLANE_CTL_FORMAT_XRGB_16161616F;
+	case DRM_FORMAT_XYUV8888:
+		return PLANE_CTL_FORMAT_XYUV;
 	case DRM_FORMAT_YUYV:
 		return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV;
 	case DRM_FORMAT_YVYU:
@@ -4998,37 +5008,6 @@ static void icl_set_pipe_chicken(struct intel_crtc *crtc)
 	intel_de_write(dev_priv, PIPE_CHICKEN(pipe), tmp);
 }
 
-static void icl_enable_trans_port_sync(const struct intel_crtc_state *crtc_state)
-{
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	u32 trans_ddi_func_ctl2_val;
-	u8 master_select;
-
-	/*
-	 * Configure the master select and enable Transcoder Port Sync for
-	 * Slave CRTCs transcoder.
-	 */
-	if (crtc_state->master_transcoder == INVALID_TRANSCODER)
-		return;
-
-	if (crtc_state->master_transcoder == TRANSCODER_EDP)
-		master_select = 0;
-	else
-		master_select = crtc_state->master_transcoder + 1;
-
-	/* Set the master select bits for Tranascoder Port Sync */
-	trans_ddi_func_ctl2_val = (PORT_SYNC_MODE_MASTER_SELECT(master_select) &
-				   PORT_SYNC_MODE_MASTER_SELECT_MASK) <<
-		PORT_SYNC_MODE_MASTER_SELECT_SHIFT;
-	/* Enable Transcoder Port Sync */
-	trans_ddi_func_ctl2_val |= PORT_SYNC_MODE_ENABLE;
-
-	intel_de_write(dev_priv,
-		       TRANS_DDI_FUNC_CTL2(crtc_state->cpu_transcoder),
-		       trans_ddi_func_ctl2_val);
-}
-
 static void intel_fdi_normal_train(struct intel_crtc *crtc)
 {
 	struct drm_device *dev = crtc->base.dev;
@@ -6200,6 +6179,7 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
 	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_XYUV8888:
 	case DRM_FORMAT_P010:
 	case DRM_FORMAT_P012:
 	case DRM_FORMAT_P016:
@@ -6463,8 +6443,8 @@ static bool needs_scalerclk_wa(const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
 
-	/* Wa_2006604312:icl */
-	if (crtc_state->scaler_state.scaler_users > 0 && IS_ICELAKE(dev_priv))
+	/* Wa_2006604312:icl,ehl */
+	if (crtc_state->scaler_state.scaler_users > 0 && IS_GEN(dev_priv, 11))
 		return true;
 
 	return false;
@@ -6534,7 +6514,7 @@ static void intel_pre_plane_update(struct intel_atomic_state *state,
 	    needs_nv12_wa(new_crtc_state))
 		skl_wa_827(dev_priv, pipe, true);
 
-	/* Wa_2006604312:icl */
+	/* Wa_2006604312:icl,ehl */
 	if (!needs_scalerclk_wa(old_crtc_state) &&
 	    needs_scalerclk_wa(new_crtc_state))
 		icl_wa_scalerclkgating(dev_priv, pipe, true);
@@ -6720,7 +6700,8 @@ static void intel_encoders_pre_pll_enable(struct intel_atomic_state *state,
 			continue;
 
 		if (encoder->pre_pll_enable)
-			encoder->pre_pll_enable(encoder, crtc_state, conn_state);
+			encoder->pre_pll_enable(state, encoder,
+						crtc_state, conn_state);
 	}
 }
 
@@ -6741,7 +6722,8 @@ static void intel_encoders_pre_enable(struct intel_atomic_state *state,
 			continue;
 
 		if (encoder->pre_enable)
-			encoder->pre_enable(encoder, crtc_state, conn_state);
+			encoder->pre_enable(state, encoder,
+					    crtc_state, conn_state);
 	}
 }
 
@@ -6762,7 +6744,8 @@ static void intel_encoders_enable(struct intel_atomic_state *state,
 			continue;
 
 		if (encoder->enable)
-			encoder->enable(encoder, crtc_state, conn_state);
+			encoder->enable(state, encoder,
+					crtc_state, conn_state);
 		intel_opregion_notify_encoder(encoder, true);
 	}
 }
@@ -6785,7 +6768,8 @@ static void intel_encoders_disable(struct intel_atomic_state *state,
 
 		intel_opregion_notify_encoder(encoder, false);
 		if (encoder->disable)
-			encoder->disable(encoder, old_crtc_state, old_conn_state);
+			encoder->disable(state, encoder,
+					 old_crtc_state, old_conn_state);
 	}
 }
 
@@ -6806,7 +6790,8 @@ static void intel_encoders_post_disable(struct intel_atomic_state *state,
 			continue;
 
 		if (encoder->post_disable)
-			encoder->post_disable(encoder, old_crtc_state, old_conn_state);
+			encoder->post_disable(state, encoder,
+					      old_crtc_state, old_conn_state);
 	}
 }
 
@@ -6827,7 +6812,8 @@ static void intel_encoders_post_pll_disable(struct intel_atomic_state *state,
 			continue;
 
 		if (encoder->post_pll_disable)
-			encoder->post_pll_disable(encoder, old_crtc_state, old_conn_state);
+			encoder->post_pll_disable(state, encoder,
+						  old_crtc_state, old_conn_state);
 	}
 }
 
@@ -6848,7 +6834,8 @@ static void intel_encoders_update_pipe(struct intel_atomic_state *state,
 			continue;
 
 		if (encoder->update_pipe)
-			encoder->update_pipe(encoder, crtc_state, conn_state);
+			encoder->update_pipe(state, encoder,
+					     crtc_state, conn_state);
 	}
 }
 
@@ -7037,9 +7024,6 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
 	if (!transcoder_is_dsi(cpu_transcoder))
 		intel_set_pipe_timings(new_crtc_state);
 
-	if (INTEL_GEN(dev_priv) >= 11)
-		icl_enable_trans_port_sync(new_crtc_state);
-
 	intel_set_pipe_src_size(new_crtc_state);
 
 	if (cpu_transcoder != TRANSCODER_EDP &&
@@ -9398,7 +9382,6 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
 	pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB;
 	pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
 	pipe_config->shared_dpll = NULL;
-	pipe_config->master_transcoder = INVALID_TRANSCODER;
 
 	ret = false;
 
@@ -10622,7 +10605,6 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc,
 
 	pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
 	pipe_config->shared_dpll = NULL;
-	pipe_config->master_transcoder = INVALID_TRANSCODER;
 
 	ret = false;
 	tmp = intel_de_read(dev_priv, PIPECONF(crtc->pipe));
@@ -10891,7 +10873,7 @@ static bool hsw_get_transcoder_state(struct intel_crtc *crtc,
 		panel_transcoder_mask |=
 			BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1);
 
-	if (HAS_TRANSCODER_EDP(dev_priv))
+	if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP))
 		panel_transcoder_mask |= BIT(TRANSCODER_EDP);
 
 	/*
@@ -11085,61 +11067,6 @@ static void hsw_get_ddi_port_state(struct intel_crtc *crtc,
 	}
 }
 
-static enum transcoder transcoder_master_readout(struct drm_i915_private *dev_priv,
-						 enum transcoder cpu_transcoder)
-{
-	u32 trans_port_sync, master_select;
-
-	trans_port_sync = intel_de_read(dev_priv,
-				        TRANS_DDI_FUNC_CTL2(cpu_transcoder));
-
-	if ((trans_port_sync & PORT_SYNC_MODE_ENABLE) == 0)
-		return INVALID_TRANSCODER;
-
-	master_select = trans_port_sync &
-			PORT_SYNC_MODE_MASTER_SELECT_MASK;
-	if (master_select == 0)
-		return TRANSCODER_EDP;
-	else
-		return master_select - 1;
-}
-
-static void icl_get_trans_port_sync_config(struct intel_crtc_state *crtc_state)
-{
-	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
-	u32 transcoders;
-	enum transcoder cpu_transcoder;
-
-	crtc_state->master_transcoder = transcoder_master_readout(dev_priv,
-								  crtc_state->cpu_transcoder);
-
-	transcoders = BIT(TRANSCODER_A) |
-		BIT(TRANSCODER_B) |
-		BIT(TRANSCODER_C) |
-		BIT(TRANSCODER_D);
-	for_each_cpu_transcoder_masked(dev_priv, cpu_transcoder, transcoders) {
-		enum intel_display_power_domain power_domain;
-		intel_wakeref_t trans_wakeref;
-
-		power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder);
-		trans_wakeref = intel_display_power_get_if_enabled(dev_priv,
-								   power_domain);
-
-		if (!trans_wakeref)
-			continue;
-
-		if (transcoder_master_readout(dev_priv, cpu_transcoder) ==
-		    crtc_state->cpu_transcoder)
-			crtc_state->sync_mode_slaves_mask |= BIT(cpu_transcoder);
-
-		intel_display_power_put(dev_priv, power_domain, trans_wakeref);
-	}
-
-	drm_WARN_ON(&dev_priv->drm,
-		    crtc_state->master_transcoder != INVALID_TRANSCODER &&
-		    crtc_state->sync_mode_slaves_mask);
-}
-
 static bool hsw_get_pipe_config(struct intel_crtc *crtc,
 				struct intel_crtc_state *pipe_config)
 {
@@ -11271,10 +11198,6 @@ static bool hsw_get_pipe_config(struct intel_crtc *crtc,
 		pipe_config->pixel_multiplier = 1;
 	}
 
-	if (INTEL_GEN(dev_priv) >= 11 &&
-	    !transcoder_is_dsi(pipe_config->cpu_transcoder))
-		icl_get_trans_port_sync_config(pipe_config);
-
 out:
 	for_each_power_domain(power_domain, power_domain_mask)
 		intel_display_power_put(dev_priv,
@@ -12377,10 +12300,8 @@ 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->uapi.visible = visible = false;
-		crtc_state->active_planes &= ~BIT(plane->id);
-		crtc_state->data_rate[plane->id] = 0;
-		crtc_state->min_cdclk[plane->id] = 0;
+		intel_plane_set_invisible(crtc_state, plane_state);
+		visible = false;
 	}
 
 	if (!was_visible && !visible)
@@ -12886,16 +12807,17 @@ compute_baseline_pipe_bpp(struct intel_crtc *crtc,
 	return 0;
 }
 
-static void intel_dump_crtc_timings(const struct drm_display_mode *mode)
+static void intel_dump_crtc_timings(struct drm_i915_private *i915,
+				    const struct drm_display_mode *mode)
 {
-	DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, "
-		      "type: 0x%x flags: 0x%x\n",
-		      mode->crtc_clock,
-		      mode->crtc_hdisplay, mode->crtc_hsync_start,
-		      mode->crtc_hsync_end, mode->crtc_htotal,
-		      mode->crtc_vdisplay, mode->crtc_vsync_start,
-		      mode->crtc_vsync_end, mode->crtc_vtotal,
-		      mode->type, mode->flags);
+	drm_dbg_kms(&i915->drm, "crtc timings: %d %d %d %d %d %d %d %d %d, "
+		    "type: 0x%x flags: 0x%x\n",
+		    mode->crtc_clock,
+		    mode->crtc_hdisplay, mode->crtc_hsync_start,
+		    mode->crtc_hsync_end, mode->crtc_htotal,
+		    mode->crtc_vdisplay, mode->crtc_vsync_start,
+		    mode->crtc_vsync_end, mode->crtc_vtotal,
+		    mode->type, mode->flags);
 }
 
 static inline void
@@ -13042,6 +12964,11 @@ static void intel_dump_pipe_config(const struct intel_crtc_state *pipe_config,
 		    transcoder_name(pipe_config->cpu_transcoder),
 		    pipe_config->pipe_bpp, pipe_config->dither);
 
+	drm_dbg_kms(&dev_priv->drm,
+		    "port sync: master transcoder: %s, slave transcoder bitmask = 0x%x\n",
+		    transcoder_name(pipe_config->master_transcoder),
+		    pipe_config->sync_mode_slaves_mask);
+
 	if (pipe_config->has_pch_encoder)
 		intel_dump_m_n_config(pipe_config, "fdi",
 				      pipe_config->fdi_lanes,
@@ -13079,7 +13006,7 @@ static void intel_dump_pipe_config(const struct intel_crtc_state *pipe_config,
 	drm_mode_debug_printmodeline(&pipe_config->hw.mode);
 	drm_dbg_kms(&dev_priv->drm, "adjusted mode:\n");
 	drm_mode_debug_printmodeline(&pipe_config->hw.adjusted_mode);
-	intel_dump_crtc_timings(&pipe_config->hw.adjusted_mode);
+	intel_dump_crtc_timings(dev_priv, &pipe_config->hw.adjusted_mode);
 	drm_dbg_kms(&dev_priv->drm,
 		    "port clock: %d, pipe src size: %dx%d, pixel rate %d\n",
 		    pipe_config->port_clock,
@@ -14999,11 +14926,13 @@ static void intel_pipe_fastset(const struct intel_crtc_state *old_crtc_state,
 }
 
 static void commit_pipe_config(struct intel_atomic_state *state,
-			       struct intel_crtc_state *old_crtc_state,
-			       struct intel_crtc_state *new_crtc_state)
+			       struct intel_crtc *crtc)
 {
-	struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	const struct intel_crtc_state *old_crtc_state =
+		intel_atomic_get_old_crtc_state(state, crtc);
+	const struct intel_crtc_state *new_crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
 	bool modeset = needs_modeset(new_crtc_state);
 
 	/*
@@ -15029,22 +14958,35 @@ static void commit_pipe_config(struct intel_atomic_state *state,
 		dev_priv->display.atomic_update_watermarks(state, crtc);
 }
 
-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)
+static void intel_enable_crtc(struct intel_atomic_state *state,
+			      struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-	bool modeset = needs_modeset(new_crtc_state);
+	const struct intel_crtc_state *new_crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
 
-	if (modeset) {
-		intel_crtc_update_active_timings(new_crtc_state);
+	if (!needs_modeset(new_crtc_state))
+		return;
 
-		dev_priv->display.crtc_enable(state, crtc);
+	intel_crtc_update_active_timings(new_crtc_state);
 
-		/* vblanks work again, re-enable pipe CRC. */
-		intel_crtc_enable_pipe_crc(crtc);
-	} else {
+	dev_priv->display.crtc_enable(state, crtc);
+
+	/* vblanks work again, re-enable pipe CRC. */
+	intel_crtc_enable_pipe_crc(crtc);
+}
+
+static void intel_update_crtc(struct intel_atomic_state *state,
+			      struct intel_crtc *crtc)
+{
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	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);
+	bool modeset = needs_modeset(new_crtc_state);
+
+	if (!modeset) {
 		if (new_crtc_state->preload_luts &&
 		    (new_crtc_state->uapi.color_mgmt_changed ||
 		     new_crtc_state->update_pipe))
@@ -15064,7 +15006,7 @@ static void intel_update_crtc(struct intel_crtc *crtc,
 	/* Perform vblank evasion around commit operation */
 	intel_pipe_update_start(new_crtc_state);
 
-	commit_pipe_config(state, old_crtc_state, new_crtc_state);
+	commit_pipe_config(state, crtc);
 
 	if (INTEL_GEN(dev_priv) >= 9)
 		skl_update_planes_on_crtc(state, crtc);
@@ -15084,18 +15026,6 @@ static void intel_update_crtc(struct intel_crtc *crtc,
 		intel_crtc_arm_fifo_underrun(crtc, new_crtc_state);
 }
 
-static struct intel_crtc *intel_get_slave_crtc(const struct intel_crtc_state *new_crtc_state)
-{
-	struct drm_i915_private *dev_priv = to_i915(new_crtc_state->uapi.crtc->dev);
-	enum transcoder slave_transcoder;
-
-	drm_WARN_ON(&dev_priv->drm,
-		    !is_power_of_2(new_crtc_state->sync_mode_slaves_mask));
-
-	slave_transcoder = ffs(new_crtc_state->sync_mode_slaves_mask) - 1;
-	return intel_get_crtc_for_pipe(dev_priv,
-				       (enum pipe)slave_transcoder);
-}
 
 static void intel_old_crtc_state_disables(struct intel_atomic_state *state,
 					  struct intel_crtc_state *old_crtc_state,
@@ -15171,129 +15101,19 @@ static void intel_commit_modeset_disables(struct intel_atomic_state *state)
 
 static void intel_commit_modeset_enables(struct intel_atomic_state *state)
 {
+	struct intel_crtc_state *new_crtc_state;
 	struct intel_crtc *crtc;
-	struct intel_crtc_state *old_crtc_state, *new_crtc_state;
 	int i;
 
-	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
 		if (!new_crtc_state->hw.active)
 			continue;
 
-		intel_update_crtc(crtc, state, old_crtc_state,
-				  new_crtc_state);
+		intel_enable_crtc(state, crtc);
+		intel_update_crtc(state, crtc);
 	}
 }
 
-static void intel_crtc_enable_trans_port_sync(struct intel_crtc *crtc,
-					      struct intel_atomic_state *state,
-					      struct intel_crtc_state *new_crtc_state)
-{
-	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
-
-	intel_crtc_update_active_timings(new_crtc_state);
-	dev_priv->display.crtc_enable(state, crtc);
-	intel_crtc_enable_pipe_crc(crtc);
-}
-
-static void intel_set_dp_tp_ctl_normal(struct intel_crtc *crtc,
-				       struct intel_atomic_state *state)
-{
-	struct drm_connector *uninitialized_var(conn);
-	struct drm_connector_state *conn_state;
-	struct intel_dp *intel_dp;
-	int i;
-
-	for_each_new_connector_in_state(&state->base, conn, conn_state, i) {
-		if (conn_state->crtc == &crtc->base)
-			break;
-	}
-	intel_dp = intel_attached_dp(to_intel_connector(conn));
-	intel_dp_stop_link_train(intel_dp);
-}
-
-/*
- * TODO: This is only called from port sync and it is identical to what will be
- * executed again in intel_update_crtc() over port sync pipes
- */
-static void intel_post_crtc_enable_updates(struct intel_crtc *crtc,
-					   struct intel_atomic_state *state)
-{
-	struct intel_crtc_state *new_crtc_state =
-		intel_atomic_get_new_crtc_state(state, crtc);
-	struct intel_crtc_state *old_crtc_state =
-		intel_atomic_get_old_crtc_state(state, crtc);
-	bool modeset = needs_modeset(new_crtc_state);
-
-	if (new_crtc_state->update_pipe && !new_crtc_state->enable_fbc)
-		intel_fbc_disable(crtc);
-	else
-		intel_fbc_enable(state, crtc);
-
-	/* Perform vblank evasion around commit operation */
-	intel_pipe_update_start(new_crtc_state);
-	commit_pipe_config(state, old_crtc_state, new_crtc_state);
-	skl_update_planes_on_crtc(state, crtc);
-	intel_pipe_update_end(new_crtc_state);
-
-	/*
-	 * We usually enable FIFO underrun interrupts as part of the
-	 * CRTC enable sequence during modesets.  But when we inherit a
-	 * valid pipe configuration from the BIOS we need to take care
-	 * of enabling them on the CRTC's first fastset.
-	 */
-	if (new_crtc_state->update_pipe && !modeset &&
-	    old_crtc_state->hw.mode.private_flags & I915_MODE_FLAG_INHERITED)
-		intel_crtc_arm_fifo_underrun(crtc, new_crtc_state);
-}
-
-static void intel_update_trans_port_sync_crtcs(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_i915_private *i915 = to_i915(crtc->base.dev);
-	struct intel_crtc *slave_crtc = intel_get_slave_crtc(new_crtc_state);
-	struct intel_crtc_state *new_slave_crtc_state =
-		intel_atomic_get_new_crtc_state(state, slave_crtc);
-	struct intel_crtc_state *old_slave_crtc_state =
-		intel_atomic_get_old_crtc_state(state, slave_crtc);
-
-	drm_WARN_ON(&i915->drm, !slave_crtc || !new_slave_crtc_state ||
-		    !old_slave_crtc_state);
-
-	drm_dbg_kms(&i915->drm,
-		    "Updating Transcoder Port Sync Master CRTC = %d %s and Slave CRTC %d %s\n",
-		    crtc->base.base.id, crtc->base.name,
-		    slave_crtc->base.base.id, slave_crtc->base.name);
-
-	/* Enable seq for slave with with DP_TP_CTL left Idle until the
-	 * master is ready
-	 */
-	intel_crtc_enable_trans_port_sync(slave_crtc,
-					  state,
-					  new_slave_crtc_state);
-
-	/* Enable seq for master with with DP_TP_CTL left Idle */
-	intel_crtc_enable_trans_port_sync(crtc,
-					  state,
-					  new_crtc_state);
-
-	/* Set Slave's DP_TP_CTL to Normal */
-	intel_set_dp_tp_ctl_normal(slave_crtc,
-				   state);
-
-	/* Set Master's DP_TP_CTL To Normal */
-	usleep_range(200, 400);
-	intel_set_dp_tp_ctl_normal(crtc,
-				   state);
-
-	/* Now do the post crtc enable for all master and slaves */
-	intel_post_crtc_enable_updates(slave_crtc,
-				       state);
-	intel_post_crtc_enable_updates(crtc,
-				       state);
-}
-
 static void icl_dbuf_slice_pre_update(struct intel_atomic_state *state)
 {
 	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
@@ -15365,8 +15185,7 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 			entries[pipe] = new_crtc_state->wm.skl.ddb;
 			update_pipes &= ~BIT(pipe);
 
-			intel_update_crtc(crtc, state, old_crtc_state,
-					  new_crtc_state);
+			intel_update_crtc(state, crtc);
 
 			/*
 			 * If this is an already active pipe, it's DDB changed,
@@ -15381,67 +15200,62 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 		}
 	}
 
+	update_pipes = modeset_pipes;
+
 	/*
 	 * Enable all pipes that needs a modeset and do not depends on other
 	 * pipes
 	 */
-	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
-					    new_crtc_state, i) {
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
 		enum pipe pipe = crtc->pipe;
 
 		if ((modeset_pipes & BIT(pipe)) == 0)
 			continue;
 
 		if (intel_dp_mst_is_slave_trans(new_crtc_state) ||
-		    is_trans_port_sync_slave(new_crtc_state))
+		    is_trans_port_sync_master(new_crtc_state))
 			continue;
 
-		drm_WARN_ON(&dev_priv->drm, skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
-									entries, I915_MAX_PIPES, pipe));
-
-		entries[pipe] = new_crtc_state->wm.skl.ddb;
 		modeset_pipes &= ~BIT(pipe);
 
-		if (is_trans_port_sync_mode(new_crtc_state)) {
-			struct intel_crtc *slave_crtc;
+		intel_enable_crtc(state, crtc);
+	}
 
-			intel_update_trans_port_sync_crtcs(crtc, state,
-							   old_crtc_state,
-							   new_crtc_state);
+	/*
+	 * Then we enable all remaining pipes that depend on other
+	 * pipes: MST slaves and port sync masters.
+	 */
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
+		enum pipe pipe = crtc->pipe;
 
-			slave_crtc = intel_get_slave_crtc(new_crtc_state);
-			/* TODO: update entries[] of slave */
-			modeset_pipes &= ~BIT(slave_crtc->pipe);
+		if ((modeset_pipes & BIT(pipe)) == 0)
+			continue;
 
-		} else {
-			intel_update_crtc(crtc, state, old_crtc_state,
-					  new_crtc_state);
-		}
+		modeset_pipes &= ~BIT(pipe);
+
+		intel_enable_crtc(state, crtc);
 	}
 
 	/*
-	 * Finally enable all pipes that needs a modeset and depends on
-	 * other pipes, right now it is only MST slaves as both port sync slave
-	 * and master are enabled together
+	 * Finally we do the plane updates/etc. for all pipes that got enabled.
 	 */
-	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
-					    new_crtc_state, i) {
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
 		enum pipe pipe = crtc->pipe;
 
-		if ((modeset_pipes & BIT(pipe)) == 0)
+		if ((update_pipes & BIT(pipe)) == 0)
 			continue;
 
 		drm_WARN_ON(&dev_priv->drm, skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
 									entries, I915_MAX_PIPES, pipe));
 
 		entries[pipe] = new_crtc_state->wm.skl.ddb;
-		modeset_pipes &= ~BIT(pipe);
+		update_pipes &= ~BIT(pipe);
 
-		intel_update_crtc(crtc, state, old_crtc_state, new_crtc_state);
+		intel_update_crtc(state, crtc);
 	}
 
 	drm_WARN_ON(&dev_priv->drm, modeset_pipes);
-
+	drm_WARN_ON(&dev_priv->drm, update_pipes);
 }
 
 static void intel_atomic_helper_free_state(struct drm_i915_private *dev_priv)
@@ -18261,11 +18075,12 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
 			best_encoder = connector->base.state->best_encoder;
 			connector->base.state->best_encoder = &encoder->base;
 
+			/* FIXME NULL atomic state passed! */
 			if (encoder->disable)
-				encoder->disable(encoder, crtc_state,
+				encoder->disable(NULL, encoder, crtc_state,
 						 connector->base.state);
 			if (encoder->post_disable)
-				encoder->post_disable(encoder, crtc_state,
+				encoder->post_disable(NULL, encoder, crtc_state,
 						      connector->base.state);
 
 			connector->base.state->best_encoder = best_encoder;
@@ -18802,15 +18617,6 @@ void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915)
 
 #if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
 
-static bool
-has_transcoder(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder)
-{
-	if (cpu_transcoder == TRANSCODER_EDP)
-		return HAS_TRANSCODER_EDP(dev_priv);
-	else
-		return INTEL_INFO(dev_priv)->pipe_mask & BIT(cpu_transcoder);
-}
-
 struct intel_display_error_state {
 
 	u32 power_well_driver;
@@ -18919,7 +18725,7 @@ intel_display_capture_error_state(struct drm_i915_private *dev_priv)
 	for (i = 0; i < ARRAY_SIZE(error->transcoder); i++) {
 		enum transcoder cpu_transcoder = transcoders[i];
 
-		if (!has_transcoder(dev_priv, cpu_transcoder))
+		if (!HAS_TRANSCODER(dev_priv, cpu_transcoder))
 			continue;
 
 		error->transcoder[i].available = true;