Merge tag 'drm-intel-next-2020-01-14' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Final drm/i915 features for v5.6:
- DP MST fixes (José)
- Fix intel_bw_state memory leak (Pankaj Bharadiya)
- Switch context id allocation to xarray (Tvrtko)
- ICL/EHL/TGL workarounds (Matt Roper, Tvrtko)
- Debugfs for LMEM details (Lukasz Fiedorowicz)
- Prefer platform acronyms over codenames in symbols (Lucas)
- Tiled and port sync mode fixes for fbdev and DP (Manasi)
- DSI panel and backlight enable GPIO fixes (Hans de Goede)
- Relax audio min CDCLK requirements on non-GLK (Kai Vehmanen)
- Plane alignment and dimension check fixes (Imre)
- Fix state checks for PSR (José)
- Remove ICL+ clock gating programming (José)
- Static checker fixes around bool usage (Ma Feng)
- Bring back tests for self-contained headers in i915 (Masahiro Yamada)
- Fix DP MST disable sequence (Ville)
- Start converting i915 to the new drm device based logging macros (Wambui Karuga)
- Add DSI VBT I2C sequence execution (Vivek Kasireddy)
- Start using function pointers and ops structs in uc code (Michal)
- Fix PMU names to not use colons or dashes (Tvrtko)
- TGL media decompression support (DK, Imre)
- Split i915_gem_gtt.[ch] to more manageable chunks (Matthew Auld)
- Create dumb buffers in LMEM where available (Ram)
- Extend mmap support for LMEM (Abdiel)
- Selftest updates (Chris)
- Hack bump up CDCLK on TGL to avoid underruns (Stan)
- Use intel_encoder and intel_connector more instead of drm counterparts (Ville)
- Build error fixes (Zhang Xiaoxu)
- Fixes related to GPU and engine initialization/resume (Chris)
- Support for prefaulting discontiguous objects (Abdiel)
- Support discontiguous LMEM object maps (Chris)
- Various GEM and GT improvements and fixes (Chris)
- Merge pinctrl dependencies branch for the DSI GPIO updates (Jani)
- Backmerge drm-next for new logging macros (Jani)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87sgkil0v9.fsf@intel.com

38 files changed, 1619 insertions, 798 deletions

diff --git a/drivers/gpu/drm/i915/display/Makefile b/drivers/gpu/drm/i915/display/Makefile
deleted file mode 100644
index 173c305d7866..000000000000
--- a/drivers/gpu/drm/i915/display/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# For building individual subdir files on the command line
-subdir-ccflags-y += -I$(srctree)/$(src)/..
-
-# Extra header tests
-header-test-pattern-$(CONFIG_DRM_I915_WERROR) := *.h
-header-test- := intel_vbt_defs.h
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index 006b1a297e6f..f8e882101396 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -77,7 +77,7 @@ static enum transcoder dsi_port_to_transcoder(enum port port)
 static void wait_for_cmds_dispatched_to_panel(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct mipi_dsi_device *dsi;
 	enum port port;
 	enum transcoder dsi_trans;
@@ -202,7 +202,7 @@ static int dsi_send_pkt_payld(struct intel_dsi_host *host,
 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);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum phy phy;
 	u32 tmp;
 	int lane;
@@ -267,7 +267,7 @@ static void configure_dual_link_mode(struct intel_encoder *encoder,
 				     const struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	u32 dss_ctl1;
 
 	dss_ctl1 = I915_READ(DSS_CTL1);
@@ -306,7 +306,7 @@ static void configure_dual_link_mode(struct intel_encoder *encoder,
 static int afe_clk(struct intel_encoder *encoder,
 		   const struct intel_crtc_state *crtc_state)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	int bpp;
 
 	if (crtc_state->dsc.compression_enable)
@@ -321,7 +321,7 @@ static void gen11_dsi_program_esc_clk_div(struct intel_encoder *encoder,
 					  const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	int afe_clk_khz;
 	u32 esc_clk_div_m;
@@ -360,7 +360,7 @@ static void get_dsi_io_power_domains(struct drm_i915_private *dev_priv,
 static void gen11_dsi_enable_io_power(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 tmp;
 
@@ -376,7 +376,7 @@ static void gen11_dsi_enable_io_power(struct intel_encoder *encoder)
 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);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum phy phy;
 
 	for_each_dsi_phy(phy, intel_dsi->phys)
@@ -387,7 +387,7 @@ static void gen11_dsi_power_up_lanes(struct intel_encoder *encoder)
 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);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum phy phy;
 	u32 tmp;
 	int lane;
@@ -436,7 +436,7 @@ static void gen11_dsi_config_phy_lanes_sequence(struct intel_encoder *encoder)
 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);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	u32 tmp;
 	enum phy phy;
 
@@ -488,7 +488,7 @@ static void gen11_dsi_voltage_swing_program_seq(struct intel_encoder *encoder)
 static void gen11_dsi_enable_ddi_buffer(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	u32 tmp;
 	enum port port;
 
@@ -509,7 +509,7 @@ gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder,
 			     const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	u32 tmp;
 	enum port port;
 	enum phy phy;
@@ -575,7 +575,7 @@ gen11_dsi_setup_dphy_timings(struct intel_encoder *encoder,
 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);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	u32 tmp;
 	enum phy phy;
 
@@ -591,7 +591,7 @@ static void gen11_dsi_gate_clocks(struct intel_encoder *encoder)
 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);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	u32 tmp;
 	enum phy phy;
 
@@ -608,7 +608,7 @@ static void gen11_dsi_map_pll(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct intel_shared_dpll *pll = crtc_state->shared_dpll;
 	enum phy phy;
 	u32 val;
@@ -640,7 +640,7 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder,
 			       const struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	enum pipe pipe = intel_crtc->pipe;
 	u32 tmp;
@@ -789,7 +789,7 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder,
 				 const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	const struct drm_display_mode *adjusted_mode =
 		&crtc_state->hw.adjusted_mode;
 	enum port port;
@@ -923,7 +923,7 @@ gen11_dsi_set_transcoder_timings(struct intel_encoder *encoder,
 static void gen11_dsi_enable_transcoder(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	enum transcoder dsi_trans;
 	u32 tmp;
@@ -945,7 +945,7 @@ static void gen11_dsi_setup_timeouts(struct intel_encoder *encoder,
 				     const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	enum transcoder dsi_trans;
 	u32 tmp, hs_tx_timeout, lp_rx_timeout, ta_timeout, divisor, mul;
@@ -1026,7 +1026,7 @@ gen11_dsi_enable_port_and_phy(struct intel_encoder *encoder,
 static void gen11_dsi_powerup_panel(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct mipi_dsi_device *dsi;
 	enum port port;
 	enum transcoder dsi_trans;
@@ -1077,7 +1077,7 @@ static void gen11_dsi_pre_enable(struct intel_encoder *encoder,
 				 const struct intel_crtc_state *pipe_config,
 				 const struct drm_connector_state *conn_state)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 
 	/* step3b */
 	gen11_dsi_map_pll(encoder, pipe_config);
@@ -1104,7 +1104,7 @@ static void gen11_dsi_pre_enable(struct intel_encoder *encoder,
 static void gen11_dsi_disable_transcoder(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	enum transcoder dsi_trans;
 	u32 tmp;
@@ -1126,7 +1126,7 @@ static void gen11_dsi_disable_transcoder(struct intel_encoder *encoder)
 
 static void gen11_dsi_powerdown_panel(struct intel_encoder *encoder)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 
 	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_OFF);
 	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_ASSERT_RESET);
@@ -1139,7 +1139,7 @@ static void gen11_dsi_powerdown_panel(struct intel_encoder *encoder)
 static void gen11_dsi_deconfigure_trancoder(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	enum transcoder dsi_trans;
 	u32 tmp;
@@ -1180,7 +1180,7 @@ static void gen11_dsi_deconfigure_trancoder(struct intel_encoder *encoder)
 static void gen11_dsi_disable_port(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	u32 tmp;
 	enum port port;
 
@@ -1202,7 +1202,7 @@ static void gen11_dsi_disable_port(struct intel_encoder *encoder)
 static void gen11_dsi_disable_io_power(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 tmp;
 
@@ -1229,7 +1229,7 @@ static void gen11_dsi_disable(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *old_crtc_state,
 			      const struct drm_connector_state *old_conn_state)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 
 	/* step1: turn off backlight */
 	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF);
@@ -1259,7 +1259,7 @@ static void gen11_dsi_post_disable(struct intel_encoder *encoder,
 
 	intel_dsc_disable(old_crtc_state);
 
-	skylake_scaler_disable(old_crtc_state);
+	skl_scaler_disable(old_crtc_state);
 }
 
 static enum drm_mode_status gen11_dsi_mode_valid(struct drm_connector *connector,
@@ -1272,7 +1272,7 @@ static enum drm_mode_status gen11_dsi_mode_valid(struct drm_connector *connector
 static void gen11_dsi_get_timings(struct intel_encoder *encoder,
 				  struct intel_crtc_state *pipe_config)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct drm_display_mode *adjusted_mode =
 					&pipe_config->hw.adjusted_mode;
 
@@ -1313,7 +1313,7 @@ static void gen11_dsi_get_config(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 
 	intel_dsc_get_config(encoder, pipe_config);
 
@@ -1417,7 +1417,8 @@ static void gen11_dsi_get_power_domains(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
 
-	get_dsi_io_power_domains(i915, enc_to_intel_dsi(&encoder->base));
+	get_dsi_io_power_domains(i915,
+				 enc_to_intel_dsi(encoder));
 
 	if (crtc_state->dsc.compression_enable)
 		intel_display_power_get(i915,
@@ -1428,7 +1429,7 @@ static bool gen11_dsi_get_hw_state(struct intel_encoder *encoder,
 				   enum pipe *pipe)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum transcoder dsi_trans;
 	intel_wakeref_t wakeref;
 	enum port port;
diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
index fd0026fc3618..c362eecdd414 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic.c
+++ b/drivers/gpu/drm/i915/display/intel_atomic.c
@@ -37,6 +37,7 @@
 #include "intel_atomic.h"
 #include "intel_display_types.h"
 #include "intel_hdcp.h"
+#include "intel_psr.h"
 #include "intel_sprite.h"
 
 /**
@@ -129,6 +130,7 @@ int intel_digital_connector_atomic_check(struct drm_connector *conn,
 	struct drm_crtc_state *crtc_state;
 
 	intel_hdcp_atomic_check(conn, old_state, new_state);
+	intel_psr_atomic_check(conn, old_state, new_state);
 
 	if (!new_state->crtc)
 		return 0;
@@ -175,6 +177,38 @@ intel_digital_connector_duplicate_state(struct drm_connector *connector)
 }
 
 /**
+ * intel_connector_needs_modeset - check if connector needs a modeset
+ */
+bool
+intel_connector_needs_modeset(struct intel_atomic_state *state,
+			      struct drm_connector *connector)
+{
+	const struct drm_connector_state *old_conn_state, *new_conn_state;
+
+	old_conn_state = drm_atomic_get_old_connector_state(&state->base, connector);
+	new_conn_state = drm_atomic_get_new_connector_state(&state->base, connector);
+
+	return old_conn_state->crtc != new_conn_state->crtc ||
+	       (new_conn_state->crtc &&
+		drm_atomic_crtc_needs_modeset(drm_atomic_get_new_crtc_state(&state->base,
+									    new_conn_state->crtc)));
+}
+
+struct intel_digital_connector_state *
+intel_atomic_get_digital_connector_state(struct intel_atomic_state *state,
+					 struct intel_connector *connector)
+{
+	struct drm_connector_state *conn_state;
+
+	conn_state = drm_atomic_get_connector_state(&state->base,
+						    &connector->base);
+	if (IS_ERR(conn_state))
+		return ERR_CAST(conn_state);
+
+	return to_intel_digital_connector_state(conn_state);
+}
+
+/**
  * intel_crtc_duplicate_state - duplicate crtc state
  * @crtc: drm crtc
  *
diff --git a/drivers/gpu/drm/i915/display/intel_atomic.h b/drivers/gpu/drm/i915/display/intel_atomic.h
index 7b49623419ba..74c749dbfb4f 100644
--- a/drivers/gpu/drm/i915/display/intel_atomic.h
+++ b/drivers/gpu/drm/i915/display/intel_atomic.h
@@ -17,6 +17,7 @@ struct drm_device;
 struct drm_i915_private;
 struct drm_property;
 struct intel_atomic_state;
+struct intel_connector;
 struct intel_crtc;
 struct intel_crtc_state;
 
@@ -32,6 +33,11 @@ int intel_digital_connector_atomic_check(struct drm_connector *conn,
 					 struct drm_atomic_state *state);
 struct drm_connector_state *
 intel_digital_connector_duplicate_state(struct drm_connector *connector);
+bool intel_connector_needs_modeset(struct intel_atomic_state *state,
+				   struct drm_connector *connector);
+struct intel_digital_connector_state *
+intel_atomic_get_digital_connector_state(struct intel_atomic_state *state,
+					 struct intel_connector *connector);
 
 struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
 void intel_crtc_destroy_state(struct drm_crtc *crtc,
diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
index 27710098d056..b18040793d9e 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -707,8 +707,8 @@ void intel_audio_codec_enable(struct intel_encoder *encoder,
 	DRM_DEBUG_DRIVER("ELD on [CONNECTOR:%d:%s], [ENCODER:%d:%s]\n",
 			 connector->base.id,
 			 connector->name,
-			 connector->encoder->base.id,
-			 connector->encoder->name);
+			 encoder->base.base.id,
+			 encoder->base.name);
 
 	connector->eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2;
 
@@ -856,7 +856,7 @@ static unsigned long i915_audio_component_get_power(struct device *kdev)
 		}
 
 		/* Force CDCLK to 2*BCLK as long as we need audio powered. */
-		if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
+		if (IS_GEMINILAKE(dev_priv))
 			glk_force_audio_cdclk(dev_priv, true);
 
 		if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
@@ -875,7 +875,7 @@ static void i915_audio_component_put_power(struct device *kdev,
 
 	/* Stop forcing CDCLK to 2*BCLK if no need for audio to be powered. */
 	if (--dev_priv->audio_power_refcount == 0)
-		if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
+		if (IS_GEMINILAKE(dev_priv))
 			glk_force_audio_cdclk(dev_priv, false);
 
 	intel_display_power_put(dev_priv, POWER_DOMAIN_AUDIO, cookie);
diff --git a/drivers/gpu/drm/i915/display/intel_bw.c b/drivers/gpu/drm/i915/display/intel_bw.c
index dcb66a33be9b..b228671d5a5d 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.c
+++ b/drivers/gpu/drm/i915/display/intel_bw.c
@@ -486,3 +486,8 @@ int intel_bw_init(struct drm_i915_private *dev_priv)
 
 	return 0;
 }
+
+void intel_bw_cleanup(struct drm_i915_private *dev_priv)
+{
+	drm_atomic_private_obj_fini(&dev_priv->bw_obj);
+}
diff --git a/drivers/gpu/drm/i915/display/intel_bw.h b/drivers/gpu/drm/i915/display/intel_bw.h
index 9db10af012f4..20b9ad241802 100644
--- a/drivers/gpu/drm/i915/display/intel_bw.h
+++ b/drivers/gpu/drm/i915/display/intel_bw.h
@@ -25,6 +25,7 @@ struct intel_bw_state {
 
 void intel_bw_init_hw(struct drm_i915_private *dev_priv);
 int intel_bw_init(struct drm_i915_private *dev_priv);
+void intel_bw_cleanup(struct drm_i915_private *dev_priv);
 int intel_bw_atomic_check(struct intel_atomic_state *state);
 void intel_bw_crtc_update(struct intel_bw_state *bw_state,
 			  const struct intel_crtc_state *crtc_state);
diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index 7d1ab1e5b7c3..0ce5926006ca 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -2004,6 +2004,18 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state)
 	/* Account for additional needs from the planes */
 	min_cdclk = max(intel_planes_min_cdclk(crtc_state), min_cdclk);
 
+	/*
+	 * HACK. Currently for TGL platforms we calculate
+	 * min_cdclk initially based on pixel_rate divided
+	 * by 2, accounting for also plane requirements,
+	 * however in some cases the lowest possible CDCLK
+	 * doesn't work and causing the underruns.
+	 * Explicitly stating here that this seems to be currently
+	 * rather a Hack, than final solution.
+	 */
+	if (IS_TIGERLAKE(dev_priv))
+		min_cdclk = max(min_cdclk, (int)crtc_state->pixel_rate);
+
 	if (min_cdclk > dev_priv->max_cdclk_freq) {
 		DRM_DEBUG_KMS("required cdclk (%d kHz) exceeds max (%d kHz)\n",
 			      min_cdclk, dev_priv->max_cdclk_freq);
diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c
index b2b1336ecdb6..f976b800b245 100644
--- a/drivers/gpu/drm/i915/display/intel_crt.c
+++ b/drivers/gpu/drm/i915/display/intel_crt.c
@@ -65,7 +65,7 @@ static struct intel_crt *intel_encoder_to_crt(struct intel_encoder *encoder)
 	return container_of(encoder, struct intel_crt, base);
 }
 
-static struct intel_crt *intel_attached_crt(struct drm_connector *connector)
+static struct intel_crt *intel_attached_crt(struct intel_connector *connector)
 {
 	return intel_encoder_to_crt(intel_attached_encoder(connector));
 }
@@ -247,7 +247,7 @@ static void hsw_post_disable_crt(struct intel_encoder *encoder,
 
 	intel_ddi_disable_transcoder_func(old_crtc_state);
 
-	ironlake_pfit_disable(old_crtc_state);
+	ilk_pfit_disable(old_crtc_state);
 
 	intel_ddi_disable_pipe_clock(old_crtc_state);
 
@@ -351,7 +351,7 @@ intel_crt_mode_valid(struct drm_connector *connector,
 
 	/* The FDI receiver on LPT only supports 8bpc and only has 2 lanes. */
 	if (HAS_PCH_LPT(dev_priv) &&
-	    (ironlake_get_lanes_required(mode->clock, 270000, 24) > 2))
+	    ilk_get_lanes_required(mode->clock, 270000, 24) > 2)
 		return MODE_CLOCK_HIGH;
 
 	/* HSW/BDW FDI limited to 4k */
@@ -427,10 +427,10 @@ static int hsw_crt_compute_config(struct intel_encoder *encoder,
 	return 0;
 }
 
-static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
+static bool ilk_crt_detect_hotplug(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
-	struct intel_crt *crt = intel_attached_crt(connector);
+	struct intel_crt *crt = intel_attached_crt(to_intel_connector(connector));
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	u32 adpa;
 	bool ret;
@@ -440,7 +440,7 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
 		bool turn_off_dac = HAS_PCH_SPLIT(dev_priv);
 		u32 save_adpa;
 
-		crt->force_hotplug_required = 0;
+		crt->force_hotplug_required = false;
 
 		save_adpa = adpa = I915_READ(crt->adpa_reg);
 		DRM_DEBUG_KMS("trigger hotplug detect cycle: adpa=0x%x\n", adpa);
@@ -477,7 +477,7 @@ static bool intel_ironlake_crt_detect_hotplug(struct drm_connector *connector)
 static bool valleyview_crt_detect_hotplug(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
-	struct intel_crt *crt = intel_attached_crt(connector);
+	struct intel_crt *crt = intel_attached_crt(to_intel_connector(connector));
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	bool reenable_hpd;
 	u32 adpa;
@@ -535,7 +535,7 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
 	int i, tries = 0;
 
 	if (HAS_PCH_SPLIT(dev_priv))
-		return intel_ironlake_crt_detect_hotplug(connector);
+		return ilk_crt_detect_hotplug(connector);
 
 	if (IS_VALLEYVIEW(dev_priv))
 		return valleyview_crt_detect_hotplug(connector);
@@ -609,7 +609,7 @@ static int intel_crt_ddc_get_modes(struct drm_connector *connector,
 
 static bool intel_crt_detect_ddc(struct drm_connector *connector)
 {
-	struct intel_crt *crt = intel_attached_crt(connector);
+	struct intel_crt *crt = intel_attached_crt(to_intel_connector(connector));
 	struct drm_i915_private *dev_priv = to_i915(crt->base.base.dev);
 	struct edid *edid;
 	struct i2c_adapter *i2c;
@@ -795,7 +795,7 @@ intel_crt_detect(struct drm_connector *connector,
 		 bool force)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
-	struct intel_crt *crt = intel_attached_crt(connector);
+	struct intel_crt *crt = intel_attached_crt(to_intel_connector(connector));
 	struct intel_encoder *intel_encoder = &crt->base;
 	intel_wakeref_t wakeref;
 	int status, ret;
@@ -886,7 +886,7 @@ static int intel_crt_get_modes(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_crt *crt = intel_attached_crt(connector);
+	struct intel_crt *crt = intel_attached_crt(to_intel_connector(connector));
 	struct intel_encoder *intel_encoder = &crt->base;
 	intel_wakeref_t wakeref;
 	struct i2c_adapter *i2c;
@@ -925,7 +925,7 @@ void intel_crt_reset(struct drm_encoder *encoder)
 		POSTING_READ(crt->adpa_reg);
 
 		DRM_DEBUG_KMS("crt adpa set to 0x%x\n", adpa);
-		crt->force_hotplug_required = 1;
+		crt->force_hotplug_required = true;
 	}
 
 }
@@ -1063,7 +1063,7 @@ void intel_crt_init(struct drm_i915_private *dev_priv)
 	/*
 	 * Configure the automatic hotplug detection stuff
 	 */
-	crt->force_hotplug_required = 0;
+	crt->force_hotplug_required = false;
 
 	/*
 	 * TODO: find a proper way to discover whether we need to set the the
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index c9ba7d7f3787..33f1dc3d7c1a 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -34,6 +34,7 @@
 #include "intel_ddi.h"
 #include "intel_display_types.h"
 #include "intel_dp.h"
+#include "intel_dp_mst.h"
 #include "intel_dp_link_training.h"
 #include "intel_dpio_phy.h"
 #include "intel_dsi.h"
@@ -1237,9 +1238,9 @@ void hsw_fdi_link_train(struct intel_encoder *encoder,
 
 static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct intel_digital_port *intel_dig_port =
-		enc_to_dig_port(&encoder->base);
+		enc_to_dig_port(encoder);
 
 	intel_dp->DP = intel_dig_port->saved_port_bits |
 		DDI_BUF_CTL_ENABLE | DDI_BUF_TRANS_SELECT(0);
@@ -1899,8 +1900,13 @@ intel_ddi_transcoder_func_reg_val_get(const struct intel_crtc_state *crtc_state)
 		temp |= TRANS_DDI_MODE_SELECT_DP_MST;
 		temp |= DDI_PORT_WIDTH(crtc_state->lane_count);
 
-		if (INTEL_GEN(dev_priv) >= 12)
-			temp |= TRANS_DDI_MST_TRANSPORT_SELECT(crtc_state->cpu_transcoder);
+		if (INTEL_GEN(dev_priv) >= 12) {
+			enum transcoder master;
+
+			master = crtc_state->mst_master_transcoder;
+			WARN_ON(master == INVALID_TRANSCODER);
+			temp |= TRANS_DDI_MST_TRANSPORT_SELECT(master);
+		}
 	} else {
 		temp |= TRANS_DDI_MODE_SELECT_DP_SST;
 		temp |= DDI_PORT_WIDTH(crtc_state->lane_count);
@@ -1944,17 +1950,18 @@ void intel_ddi_disable_transcoder_func(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);
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
-	i915_reg_t reg = TRANS_DDI_FUNC_CTL(cpu_transcoder);
-	u32 val = I915_READ(reg);
+	u32 val;
+
+	val = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
+	val &= ~TRANS_DDI_FUNC_ENABLE;
 
 	if (INTEL_GEN(dev_priv) >= 12) {
-		val &= ~(TRANS_DDI_FUNC_ENABLE | TGL_TRANS_DDI_PORT_MASK |
-			 TRANS_DDI_DP_VC_PAYLOAD_ALLOC);
+		if (!intel_dp_mst_is_master_trans(crtc_state))
+			val &= ~TGL_TRANS_DDI_PORT_MASK;
 	} else {
-		val &= ~(TRANS_DDI_FUNC_ENABLE | TRANS_DDI_PORT_MASK |
-			 TRANS_DDI_DP_VC_PAYLOAD_ALLOC);
+		val &= ~TRANS_DDI_PORT_MASK;
 	}
-	I915_WRITE(reg, val);
+	I915_WRITE(TRANS_DDI_FUNC_CTL(cpu_transcoder), val);
 
 	if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME &&
 	    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) {
@@ -2217,7 +2224,7 @@ static void intel_ddi_get_power_domains(struct intel_encoder *encoder,
 	if (WARN_ON(intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)))
 		return;
 
-	dig_port = enc_to_dig_port(&encoder->base);
+	dig_port = enc_to_dig_port(encoder);
 	intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain);
 
 	/*
@@ -2287,7 +2294,7 @@ static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv,
 static void skl_ddi_set_iboost(struct intel_encoder *encoder,
 			       int level, enum intel_output_type type)
 {
-	struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum port port = encoder->port;
 	u8 iboost;
@@ -2358,7 +2365,7 @@ static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder,
 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);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	enum port port = encoder->port;
 	enum phy phy = intel_port_to_phy(dev_priv, port);
 	int n_entries;
@@ -2497,7 +2504,7 @@ static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder,
 		width = 4;
 		rate = 0; /* Rate is always < than 6GHz for HDMI */
 	} else {
-		struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 		width = intel_dp->lane_count;
 		rate = intel_dp->link_rate;
@@ -2623,7 +2630,7 @@ static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 		width = 4;
 		/* Rate is always < than 6GHz for HDMI */
 	} else {
-		struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 		width = intel_dp->lane_count;
 		rate = intel_dp->link_rate;
@@ -3161,57 +3168,6 @@ static void intel_ddi_clk_disable(struct intel_encoder *encoder)
 }
 
 static void
-icl_phy_set_clock_gating(struct intel_digital_port *dig_port, bool enable)
-{
-	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);
-	u32 val, bits;
-	int ln;
-
-	if (tc_port == PORT_TC_NONE)
-		return;
-
-	bits = MG_DP_MODE_CFG_TR2PWR_GATING | MG_DP_MODE_CFG_TRPWR_GATING |
-	       MG_DP_MODE_CFG_CLNPWR_GATING | MG_DP_MODE_CFG_DIGPWR_GATING |
-	       MG_DP_MODE_CFG_GAONPWR_GATING;
-
-	for (ln = 0; ln < 2; ln++) {
-		if (INTEL_GEN(dev_priv) >= 12) {
-			I915_WRITE(HIP_INDEX_REG(tc_port), HIP_INDEX_VAL(tc_port, ln));
-			val = I915_READ(DKL_DP_MODE(tc_port));
-		} else {
-			val = I915_READ(MG_DP_MODE(ln, tc_port));
-		}
-
-		if (enable)
-			val |= bits;
-		else
-			val &= ~bits;
-
-		if (INTEL_GEN(dev_priv) >= 12)
-			I915_WRITE(DKL_DP_MODE(tc_port), val);
-		else
-			I915_WRITE(MG_DP_MODE(ln, tc_port), val);
-	}
-
-	if (INTEL_GEN(dev_priv) == 11) {
-		bits = MG_MISC_SUS0_CFG_TR2PWR_GATING |
-		       MG_MISC_SUS0_CFG_CL2PWR_GATING |
-		       MG_MISC_SUS0_CFG_GAONPWR_GATING |
-		       MG_MISC_SUS0_CFG_TRPWR_GATING |
-		       MG_MISC_SUS0_CFG_CL1PWR_GATING |
-		       MG_MISC_SUS0_CFG_DGPWR_GATING;
-
-		val = I915_READ(MG_MISC_SUS0(tc_port));
-		if (enable)
-			val |= (bits | MG_MISC_SUS0_SUSCLK_DYNCLKGATE_MODE(3));
-		else
-			val &= ~(bits | MG_MISC_SUS0_SUSCLK_DYNCLKGATE_MODE_MASK);
-		I915_WRITE(MG_MISC_SUS0(tc_port), val);
-	}
-}
-
-static void
 icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port,
 		       const struct intel_crtc_state *crtc_state)
 {
@@ -3317,7 +3273,7 @@ static void intel_ddi_enable_fec(struct intel_encoder *encoder,
 	if (!crtc_state->fec_enable)
 		return;
 
-	intel_dp = enc_to_intel_dp(&encoder->base);
+	intel_dp = enc_to_intel_dp(encoder);
 	val = I915_READ(intel_dp->regs.dp_tp_ctl);
 	val |= DP_TP_CTL_FEC_ENABLE;
 	I915_WRITE(intel_dp->regs.dp_tp_ctl, val);
@@ -3337,7 +3293,7 @@ static void intel_ddi_disable_fec_state(struct intel_encoder *encoder,
 	if (!crtc_state->fec_enable)
 		return;
 
-	intel_dp = enc_to_intel_dp(&encoder->base);
+	intel_dp = enc_to_intel_dp(encoder);
 	val = I915_READ(intel_dp->regs.dp_tp_ctl);
 	val &= ~DP_TP_CTL_FEC_ENABLE;
 	I915_WRITE(intel_dp->regs.dp_tp_ctl, val);
@@ -3428,10 +3384,10 @@ static void tgl_ddi_pre_enable_dp(struct intel_encoder *encoder,
 				  const struct intel_crtc_state *crtc_state,
 				  const struct drm_connector_state *conn_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST);
 	int level = intel_ddi_dp_level(intel_dp);
 	enum transcoder transcoder = crtc_state->cpu_transcoder;
@@ -3458,14 +3414,14 @@ static void tgl_ddi_pre_enable_dp(struct intel_encoder *encoder,
 	 * (DFLEXDPSP.DPX4TXLATC)
 	 *
 	 * This was done before tgl_ddi_pre_enable_dp by
-	 * haswell_crtc_enable()->intel_encoders_pre_pll_enable().
+	 * hsw_crtc_enable()->intel_encoders_pre_pll_enable().
 	 */
 
 	/*
 	 * 4. Enable the port PLL.
 	 *
 	 * The PLL enabling itself was already done before this function by
-	 * haswell_crtc_enable()->intel_enable_shared_dpll().  We need only
+	 * hsw_crtc_enable()->intel_enable_shared_dpll().  We need only
 	 * configure the PLL to port mapping here.
 	 */
 	intel_ddi_clk_select(encoder, crtc_state);
@@ -3509,12 +3465,6 @@ static void tgl_ddi_pre_enable_dp(struct intel_encoder *encoder,
 	 * down this function.
 	 */
 
-	/*
-	 * 7.d Type C with DP alternate or fixed/legacy/static connection -
-	 * Disable PHY clock gating per Type-C DDI Buffer page
-	 */
-	icl_phy_set_clock_gating(dig_port, false);
-
 	/* 7.e Configure voltage swing and related IO settings */
 	tgl_ddi_vswing_sequence(encoder, crtc_state->port_clock, level,
 				encoder->type);
@@ -3566,15 +3516,6 @@ static void tgl_ddi_pre_enable_dp(struct intel_encoder *encoder,
 	if (!is_trans_port_sync_mode(crtc_state))
 		intel_dp_stop_link_train(intel_dp);
 
-	/*
-	 * TODO: enable clock gating
-	 *
-	 * It is not written in DP enabling sequence but "PHY Clockgating
-	 * programming" states that clock gating should be enabled after the
-	 * link training but doing so causes all the following trainings to fail
-	 * so not enabling it for now.
-	 */
-
 	/* 7.l Configure and enable FEC if needed */
 	intel_ddi_enable_fec(encoder, crtc_state);
 	intel_dsc_enable(encoder, crtc_state);
@@ -3584,15 +3525,18 @@ static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
 				  const struct intel_crtc_state *crtc_state,
 				  const struct drm_connector_state *conn_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(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);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST);
 	int level = intel_ddi_dp_level(intel_dp);
 
-	WARN_ON(is_mst && (port == PORT_A || port == PORT_E));
+	if (INTEL_GEN(dev_priv) < 11)
+		WARN_ON(is_mst && (port == PORT_A || port == PORT_E));
+	else
+		WARN_ON(is_mst && port == PORT_A);
 
 	intel_dp_set_link_params(intel_dp, crtc_state->port_clock,
 				 crtc_state->lane_count, is_mst);
@@ -3610,7 +3554,6 @@ static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
 					dig_port->ddi_io_power_domain);
 
 	icl_program_mg_dp_mode(dig_port, crtc_state);
-	icl_phy_set_clock_gating(dig_port, false);
 
 	if (INTEL_GEN(dev_priv) >= 11)
 		icl_ddi_vswing_sequence(encoder, crtc_state->port_clock,
@@ -3644,8 +3587,6 @@ static void hsw_ddi_pre_enable_dp(struct intel_encoder *encoder,
 
 	intel_ddi_enable_fec(encoder, crtc_state);
 
-	icl_phy_set_clock_gating(dig_port, true);
-
 	if (!is_mst)
 		intel_ddi_enable_pipe_clock(crtc_state);
 
@@ -3674,12 +3615,12 @@ static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder,
 				      const struct intel_crtc_state *crtc_state,
 				      const struct drm_connector_state *conn_state)
 {
-	struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
 	struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi;
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum port port = encoder->port;
 	int level = intel_ddi_hdmi_level(dev_priv, port);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 
 	intel_dp_dual_mode_set_tmds_output(intel_hdmi, true);
 	intel_ddi_clk_select(encoder, crtc_state);
@@ -3687,7 +3628,6 @@ static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder,
 	intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain);
 
 	icl_program_mg_dp_mode(dig_port, crtc_state);
-	icl_phy_set_clock_gating(dig_port, false);
 
 	if (INTEL_GEN(dev_priv) >= 12)
 		tgl_ddi_vswing_sequence(encoder, crtc_state->port_clock,
@@ -3702,8 +3642,6 @@ static void intel_ddi_pre_enable_hdmi(struct intel_encoder *encoder,
 	else
 		intel_prepare_hdmi_ddi_buffers(encoder, level);
 
-	icl_phy_set_clock_gating(dig_port, true);
-
 	if (IS_GEN9_BC(dev_priv))
 		skl_ddi_set_iboost(encoder, level, INTEL_OUTPUT_HDMI);
 
@@ -3746,12 +3684,12 @@ static void intel_ddi_pre_enable(struct intel_encoder *encoder,
 		intel_ddi_pre_enable_hdmi(encoder, crtc_state, conn_state);
 	} else {
 		struct intel_lspcon *lspcon =
-				enc_to_intel_lspcon(&encoder->base);
+				enc_to_intel_lspcon(encoder);
 
 		intel_ddi_pre_enable_dp(encoder, crtc_state, conn_state);
 		if (lspcon->active) {
 			struct intel_digital_port *dig_port =
-					enc_to_dig_port(&encoder->base);
+					enc_to_dig_port(encoder);
 
 			dig_port->set_infoframes(encoder,
 						 crtc_state->has_infoframe,
@@ -3776,7 +3714,7 @@ static void intel_disable_ddi_buf(struct intel_encoder *encoder,
 	}
 
 	if (intel_crtc_has_dp_encoder(crtc_state)) {
-		struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 		val = I915_READ(intel_dp->regs.dp_tp_ctl);
 		val &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK);
@@ -3796,7 +3734,7 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder,
 				      const struct drm_connector_state *old_conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	struct intel_dp *intel_dp = &dig_port->dp;
 	bool is_mst = intel_crtc_has_type(old_crtc_state,
 					  INTEL_OUTPUT_DP_MST);
@@ -3808,8 +3746,19 @@ static void intel_ddi_post_disable_dp(struct intel_encoder *encoder,
 	 */
 	intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF);
 
-	if (INTEL_GEN(dev_priv) < 12 && !is_mst)
-		intel_ddi_disable_pipe_clock(old_crtc_state);
+	if (INTEL_GEN(dev_priv) >= 12) {
+		if (is_mst) {
+			enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder;
+			u32 val;
+
+			val = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder));
+			val &= ~TGL_TRANS_DDI_PORT_MASK;
+			I915_WRITE(TRANS_DDI_FUNC_CTL(cpu_transcoder), val);
+		}
+	} else {
+		if (!is_mst)
+			intel_ddi_disable_pipe_clock(old_crtc_state);
+	}
 
 	intel_disable_ddi_buf(encoder, old_crtc_state);
 
@@ -3838,7 +3787,7 @@ static void intel_ddi_post_disable_hdmi(struct intel_encoder *encoder,
 					const struct drm_connector_state *old_conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	struct intel_hdmi *intel_hdmi = &dig_port->hdmi;
 
 	dig_port->set_infoframes(encoder, false,
@@ -3860,8 +3809,6 @@ static void icl_disable_transcoder_port_sync(const struct intel_crtc_state *old_
 {
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	i915_reg_t reg;
-	u32 trans_ddi_func_ctl2_val;
 
 	if (old_crtc_state->master_transcoder == INVALID_TRANSCODER)
 		return;
@@ -3869,10 +3816,7 @@ static void icl_disable_transcoder_port_sync(const struct intel_crtc_state *old_
 	DRM_DEBUG_KMS("Disabling Transcoder Port Sync on Slave Transcoder %s\n",
 		      transcoder_name(old_crtc_state->cpu_transcoder));
 
-	reg = TRANS_DDI_FUNC_CTL2(old_crtc_state->cpu_transcoder);
-	trans_ddi_func_ctl2_val = ~(PORT_SYNC_MODE_ENABLE |
-				    PORT_SYNC_MODE_MASTER_SELECT_MASK);
-	I915_WRITE(reg, trans_ddi_func_ctl2_val);
+	I915_WRITE(TRANS_DDI_FUNC_CTL2(old_crtc_state->cpu_transcoder), 0);
 }
 
 static void intel_ddi_post_disable(struct intel_encoder *encoder,
@@ -3880,25 +3824,27 @@ static void intel_ddi_post_disable(struct intel_encoder *encoder,
 				   const struct drm_connector_state *old_conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 	bool is_tc_port = intel_phy_is_tc(dev_priv, phy);
 
-	intel_crtc_vblank_off(old_crtc_state);
+	if (!intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST)) {
+		intel_crtc_vblank_off(old_crtc_state);
 
-	intel_disable_pipe(old_crtc_state);
+		intel_disable_pipe(old_crtc_state);
 
-	if (INTEL_GEN(dev_priv) >= 11)
-		icl_disable_transcoder_port_sync(old_crtc_state);
+		if (INTEL_GEN(dev_priv) >= 11)
+			icl_disable_transcoder_port_sync(old_crtc_state);
 
-	intel_ddi_disable_transcoder_func(old_crtc_state);
+		intel_ddi_disable_transcoder_func(old_crtc_state);
 
-	intel_dsc_disable(old_crtc_state);
+		intel_dsc_disable(old_crtc_state);
 
-	if (INTEL_GEN(dev_priv) >= 9)
-		skylake_scaler_disable(old_crtc_state);
-	else
-		ironlake_pfit_disable(old_crtc_state);
+		if (INTEL_GEN(dev_priv) >= 9)
+			skl_scaler_disable(old_crtc_state);
+		else
+			ilk_pfit_disable(old_crtc_state);
+	}
 
 	/*
 	 * When called from DP MST code:
@@ -3970,7 +3916,7 @@ static void intel_enable_ddi_dp(struct intel_encoder *encoder,
 				const struct drm_connector_state *conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	enum port port = encoder->port;
 
 	if (port == PORT_A && INTEL_GEN(dev_priv) < 9)
@@ -4011,7 +3957,7 @@ static void intel_enable_ddi_hdmi(struct intel_encoder *encoder,
 				  const struct drm_connector_state *conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	struct drm_connector *connector = conn_state->connector;
 	enum port port = encoder->port;
 
@@ -4088,7 +4034,7 @@ static void intel_disable_ddi_dp(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 = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 	intel_dp->link_trained = false;
 
@@ -4136,7 +4082,7 @@ static void intel_ddi_update_pipe_dp(struct intel_encoder *encoder,
 				     const struct intel_crtc_state *crtc_state,
 				     const struct drm_connector_state *conn_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 	intel_ddi_set_dp_msa(crtc_state, conn_state);
 
@@ -4200,7 +4146,8 @@ intel_ddi_update_prepare(struct intel_atomic_state *state,
 
 	WARN_ON(crtc && crtc->active);
 
-	intel_tc_port_get_link(enc_to_dig_port(&encoder->base), required_lanes);
+	intel_tc_port_get_link(enc_to_dig_port(encoder),
+		               required_lanes);
 	if (crtc_state && crtc_state->hw.active)
 		intel_update_active_dpll(state, crtc, encoder);
 }
@@ -4210,7 +4157,7 @@ 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));
+	intel_tc_port_put_link(enc_to_dig_port(encoder));
 }
 
 static void
@@ -4219,7 +4166,7 @@ intel_ddi_pre_pll_enable(struct intel_encoder *encoder,
 			 const struct drm_connector_state *conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 	bool is_tc_port = intel_phy_is_tc(dev_priv, phy);
 
@@ -4405,6 +4352,11 @@ void intel_ddi_get_config(struct intel_encoder *encoder,
 		pipe_config->output_types |= BIT(INTEL_OUTPUT_DP_MST);
 		pipe_config->lane_count =
 			((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1;
+
+		if (INTEL_GEN(dev_priv) >= 12)
+			pipe_config->mst_master_transcoder =
+					REG_FIELD_GET(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, temp);
+
 		intel_dp_get_m_n(intel_crtc, pipe_config);
 		break;
 	default:
@@ -4518,7 +4470,7 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder,
 
 static void intel_ddi_encoder_destroy(struct drm_encoder *encoder)
 {
-	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+	struct intel_digital_port *dig_port = enc_to_dig_port(to_intel_encoder(encoder));
 
 	intel_dp_encoder_flush_work(encoder);
 
@@ -4585,7 +4537,7 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder,
 				 struct drm_modeset_acquire_ctx *ctx)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_hdmi *hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *hdmi = enc_to_intel_hdmi(encoder);
 	struct intel_connector *connector = hdmi->attached_connector;
 	struct i2c_adapter *adapter =
 		intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus);
@@ -4657,7 +4609,7 @@ 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 intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	struct drm_modeset_acquire_ctx ctx;
 	enum intel_hotplug_state state;
 	int ret;
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 1860da0a493e..19ea842cfd84 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -46,6 +46,7 @@
 #include "display/intel_crt.h"
 #include "display/intel_ddi.h"
 #include "display/intel_dp.h"
+#include "display/intel_dp_mst.h"
 #include "display/intel_dsi.h"
 #include "display/intel_dvo.h"
 #include "display/intel_gmbus.h"
@@ -145,8 +146,8 @@ static const u64 cursor_format_modifiers[] = {
 
 static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
 				struct intel_crtc_state *pipe_config);
-static void ironlake_pch_clock_get(struct intel_crtc *crtc,
-				   struct intel_crtc_state *pipe_config);
+static void ilk_pch_clock_get(struct intel_crtc *crtc,
+			      struct intel_crtc_state *pipe_config);
 
 static int intel_framebuffer_init(struct intel_framebuffer *ifb,
 				  struct drm_i915_gem_object *obj,
@@ -157,15 +158,15 @@ static void intel_cpu_transcoder_set_m_n(const struct intel_crtc_state *crtc_sta
 					 const struct intel_link_m_n *m_n,
 					 const struct intel_link_m_n *m2_n2);
 static void i9xx_set_pipeconf(const struct intel_crtc_state *crtc_state);
-static void ironlake_set_pipeconf(const struct intel_crtc_state *crtc_state);
-static void haswell_set_pipeconf(const struct intel_crtc_state *crtc_state);
+static void ilk_set_pipeconf(const struct intel_crtc_state *crtc_state);
+static void hsw_set_pipeconf(const struct intel_crtc_state *crtc_state);
 static void bdw_set_pipemisc(const struct intel_crtc_state *crtc_state);
 static void vlv_prepare_pll(struct intel_crtc *crtc,
 			    const struct intel_crtc_state *pipe_config);
 static void chv_prepare_pll(struct intel_crtc *crtc,
 			    const struct intel_crtc_state *pipe_config);
-static void skylake_pfit_enable(const struct intel_crtc_state *crtc_state);
-static void ironlake_pfit_enable(const struct intel_crtc_state *crtc_state);
+static void skl_pfit_enable(const struct intel_crtc_state *crtc_state);
+static void ilk_pfit_enable(const struct intel_crtc_state *crtc_state);
 static void intel_modeset_setup_hw_state(struct drm_device *dev,
 					 struct drm_modeset_acquire_ctx *ctx);
 static struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc);
@@ -369,7 +370,7 @@ static const struct intel_limit intel_limits_g4x_dual_channel_lvds = {
 	},
 };
 
-static const struct intel_limit intel_limits_pineview_sdvo = {
+static const struct intel_limit pnv_limits_sdvo = {
 	.dot = { .min = 20000, .max = 400000},
 	.vco = { .min = 1700000, .max = 3500000 },
 	/* Pineview's Ncounter is a ring counter */
@@ -384,7 +385,7 @@ static const struct intel_limit intel_limits_pineview_sdvo = {
 		.p2_slow = 10, .p2_fast = 5 },
 };
 
-static const struct intel_limit intel_limits_pineview_lvds = {
+static const struct intel_limit pnv_limits_lvds = {
 	.dot = { .min = 20000, .max = 400000 },
 	.vco = { .min = 1700000, .max = 3500000 },
 	.n = { .min = 3, .max = 6 },
@@ -402,7 +403,7 @@ static const struct intel_limit intel_limits_pineview_lvds = {
  * We calculate clock using (register_value + 2) for N/M1/M2, so here
  * the range value for them is (actual_value - 2).
  */
-static const struct intel_limit intel_limits_ironlake_dac = {
+static const struct intel_limit ilk_limits_dac = {
 	.dot = { .min = 25000, .max = 350000 },
 	.vco = { .min = 1760000, .max = 3510000 },
 	.n = { .min = 1, .max = 5 },
@@ -415,7 +416,7 @@ static const struct intel_limit intel_limits_ironlake_dac = {
 		.p2_slow = 10, .p2_fast = 5 },
 };
 
-static const struct intel_limit intel_limits_ironlake_single_lvds = {
+static const struct intel_limit ilk_limits_single_lvds = {
 	.dot = { .min = 25000, .max = 350000 },
 	.vco = { .min = 1760000, .max = 3510000 },
 	.n = { .min = 1, .max = 3 },
@@ -428,7 +429,7 @@ static const struct intel_limit intel_limits_ironlake_single_lvds = {
 		.p2_slow = 14, .p2_fast = 14 },
 };
 
-static const struct intel_limit intel_limits_ironlake_dual_lvds = {
+static const struct intel_limit ilk_limits_dual_lvds = {
 	.dot = { .min = 25000, .max = 350000 },
 	.vco = { .min = 1760000, .max = 3510000 },
 	.n = { .min = 1, .max = 3 },
@@ -442,7 +443,7 @@ static const struct intel_limit intel_limits_ironlake_dual_lvds = {
 };
 
 /* LVDS 100mhz refclk limits. */
-static const struct intel_limit intel_limits_ironlake_single_lvds_100m = {
+static const struct intel_limit ilk_limits_single_lvds_100m = {
 	.dot = { .min = 25000, .max = 350000 },
 	.vco = { .min = 1760000, .max = 3510000 },
 	.n = { .min = 1, .max = 2 },
@@ -455,7 +456,7 @@ static const struct intel_limit intel_limits_ironlake_single_lvds_100m = {
 		.p2_slow = 14, .p2_fast = 14 },
 };
 
-static const struct intel_limit intel_limits_ironlake_dual_lvds_100m = {
+static const struct intel_limit ilk_limits_dual_lvds_100m = {
 	.dot = { .min = 25000, .max = 350000 },
 	.vco = { .min = 1760000, .max = 3510000 },
 	.n = { .min = 1, .max = 3 },
@@ -553,13 +554,6 @@ is_trans_port_sync_mode(const struct intel_crtc_state *crtc_state)
 }
 
 static bool
-is_trans_port_sync_master(const struct intel_crtc_state *crtc_state)
-{
-	return (crtc_state->master_transcoder == INVALID_TRANSCODER &&
-		crtc_state->sync_mode_slaves_mask);
-}
-
-static bool
 is_trans_port_sync_slave(const struct intel_crtc_state *crtc_state)
 {
 	return crtc_state->master_transcoder != INVALID_TRANSCODER;
@@ -1637,7 +1631,7 @@ void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
 		     I915_READ(dpll_reg) & port_mask, expected_mask);
 }
 
-static void ironlake_enable_pch_transcoder(const struct intel_crtc_state *crtc_state)
+static void ilk_enable_pch_transcoder(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);
@@ -1735,8 +1729,8 @@ static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv,
 		DRM_ERROR("Failed to enable PCH transcoder\n");
 }
 
-static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv,
-					    enum pipe pipe)
+static void ilk_disable_pch_transcoder(struct drm_i915_private *dev_priv,
+				       enum pipe pipe)
 {
 	i915_reg_t reg;
 	u32 val;
@@ -1944,7 +1938,9 @@ static bool is_ccs_plane(const struct drm_framebuffer *fb, int plane)
 
 static bool is_gen12_ccs_modifier(u64 modifier)
 {
-	return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS;
+	return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||
+	       modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS;
+
 }
 
 static bool is_gen12_ccs_plane(const struct drm_framebuffer *fb, int plane)
@@ -1977,8 +1973,7 @@ static int ccs_to_main_plane(const struct drm_framebuffer *fb, int ccs_plane)
 }
 
 /* Return either the main plane's CCS or - if not a CCS FB - UV plane */
-static int
-intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane)
+int intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane)
 {
 	if (is_ccs_modifier(fb->modifier))
 		return main_to_ccs_plane(fb, main_plane);
@@ -1994,6 +1989,13 @@ intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
 	       info->num_planes == (is_ccs_modifier(modifier) ? 4 : 2);
 }
 
+static bool is_semiplanar_uv_plane(const struct drm_framebuffer *fb,
+				   int color_plane)
+{
+	return intel_format_info_is_yuv_semiplanar(fb->format, fb->modifier) &&
+	       color_plane == 1;
+}
+
 static unsigned int
 intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane)
 {
@@ -2013,6 +2015,7 @@ intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane)
 			return 128;
 		/* fall through */
 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
+	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
 		if (is_ccs_plane(fb, color_plane))
 			return 64;
 		/* fall through */
@@ -2068,6 +2071,16 @@ static void intel_tile_dims(const struct drm_framebuffer *fb, int color_plane,
 	*tile_height = intel_tile_height(fb, color_plane);
 }
 
+static unsigned int intel_tile_row_size(const struct drm_framebuffer *fb,
+					int color_plane)
+{
+	unsigned int tile_width, tile_height;
+
+	intel_tile_dims(fb, color_plane, &tile_width, &tile_height);
+
+	return fb->pitches[color_plane] * tile_height;
+}
+
 unsigned int
 intel_fb_align_height(const struct drm_framebuffer *fb,
 		      int color_plane, unsigned int height)
@@ -2142,7 +2155,8 @@ static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
 	struct drm_i915_private *dev_priv = to_i915(fb->dev);
 
 	/* AUX_DIST needs only 4K alignment */
-	if (is_aux_plane(fb, color_plane))
+	if ((INTEL_GEN(dev_priv) < 12 && is_aux_plane(fb, color_plane)) ||
+	    is_ccs_plane(fb, color_plane))
 		return 4096;
 
 	switch (fb->modifier) {
@@ -2152,11 +2166,19 @@ static unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
 		if (INTEL_GEN(dev_priv) >= 9)
 			return 256 * 1024;
 		return 0;
+	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
+		if (is_semiplanar_uv_plane(fb, color_plane))
+			return intel_tile_row_size(fb, color_plane);
+		/* Fall-through */
 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
 		return 16 * 1024;
 	case I915_FORMAT_MOD_Y_TILED_CCS:
 	case I915_FORMAT_MOD_Yf_TILED_CCS:
 	case I915_FORMAT_MOD_Y_TILED:
+		if (INTEL_GEN(dev_priv) >= 12 &&
+		    is_semiplanar_uv_plane(fb, color_plane))
+			return intel_tile_row_size(fb, color_plane);
+		/* Fall-through */
 	case I915_FORMAT_MOD_Yf_TILED:
 		return 1 * 1024 * 1024;
 	default:
@@ -2193,6 +2215,8 @@ intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
 		return ERR_PTR(-EINVAL);
 
 	alignment = intel_surf_alignment(fb, 0);
+	if (WARN_ON(alignment && !is_power_of_2(alignment)))
+		return ERR_PTR(-EINVAL);
 
 	/* Note that the w/a also requires 64 PTE of padding following the
 	 * bo. We currently fill all unused PTE with the shadow page and so
@@ -2431,9 +2455,6 @@ static u32 intel_compute_aligned_offset(struct drm_i915_private *dev_priv,
 	unsigned int cpp = fb->format->cpp[color_plane];
 	u32 offset, offset_aligned;
 
-	if (alignment)
-		alignment--;
-
 	if (!is_surface_linear(fb, color_plane)) {
 		unsigned int tile_size, tile_width, tile_height;
 		unsigned int tile_rows, tiles, pitch_tiles;
@@ -2455,17 +2476,24 @@ static u32 intel_compute_aligned_offset(struct drm_i915_private *dev_priv,
 		*x %= tile_width;
 
 		offset = (tile_rows * pitch_tiles + tiles) * tile_size;
-		offset_aligned = offset & ~alignment;
+
+		offset_aligned = offset;
+		if (alignment)
+			offset_aligned = rounddown(offset_aligned, alignment);
 
 		intel_adjust_tile_offset(x, y, tile_width, tile_height,
 					 tile_size, pitch_tiles,
 					 offset, offset_aligned);
 	} else {
 		offset = *y * pitch + *x * cpp;
-		offset_aligned = offset & ~alignment;
-
-		*y = (offset & alignment) / pitch;
-		*x = ((offset & alignment) - *y * pitch) / cpp;
+		offset_aligned = offset;
+		if (alignment) {
+			offset_aligned = rounddown(offset_aligned, alignment);
+			*y = (offset % alignment) / pitch;
+			*x = ((offset % alignment) - *y * pitch) / cpp;
+		} else {
+			*y = *x = 0;
+		}
 	}
 
 	return offset_aligned;
@@ -2498,9 +2526,17 @@ static int intel_fb_offset_to_xy(int *x, int *y,
 {
 	struct drm_i915_private *dev_priv = to_i915(fb->dev);
 	unsigned int height;
+	u32 alignment;
 
-	if (fb->modifier != DRM_FORMAT_MOD_LINEAR &&
-	    fb->offsets[color_plane] % intel_tile_size(dev_priv)) {
+	if (INTEL_GEN(dev_priv) >= 12 &&
+	    is_semiplanar_uv_plane(fb, color_plane))
+		alignment = intel_tile_row_size(fb, color_plane);
+	else if (fb->modifier != DRM_FORMAT_MOD_LINEAR)
+		alignment = intel_tile_size(dev_priv);
+	else
+		alignment = 0;
+
+	if (alignment != 0 && fb->offsets[color_plane] % alignment) {
 		DRM_DEBUG_KMS("Misaligned offset 0x%08x for color plane %d\n",
 			      fb->offsets[color_plane], color_plane);
 		return -EINVAL;
@@ -2537,6 +2573,7 @@ static unsigned int intel_fb_modifier_to_tiling(u64 fb_modifier)
 	case I915_FORMAT_MOD_Y_TILED:
 	case I915_FORMAT_MOD_Y_TILED_CCS:
 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
+	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
 		return I915_TILING_Y;
 	default:
 		return I915_TILING_NONE;
@@ -2588,6 +2625,30 @@ static const struct drm_format_info gen12_ccs_formats[] = {
 	{ .format = DRM_FORMAT_ABGR8888, .depth = 32, .num_planes = 2,
 	  .char_per_block = { 4, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 },
 	  .hsub = 1, .vsub = 1, .has_alpha = true },
+	{ .format = DRM_FORMAT_YUYV, .num_planes = 2,
+	  .char_per_block = { 2, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 },
+	  .hsub = 2, .vsub = 1, .is_yuv = true },
+	{ .format = DRM_FORMAT_YVYU, .num_planes = 2,
+	  .char_per_block = { 2, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 },
+	  .hsub = 2, .vsub = 1, .is_yuv = true },
+	{ .format = DRM_FORMAT_UYVY, .num_planes = 2,
+	  .char_per_block = { 2, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 },
+	  .hsub = 2, .vsub = 1, .is_yuv = true },
+	{ .format = DRM_FORMAT_VYUY, .num_planes = 2,
+	  .char_per_block = { 2, 1 }, .block_w = { 1, 2 }, .block_h = { 1, 1 },
+	  .hsub = 2, .vsub = 1, .is_yuv = true },
+	{ .format = DRM_FORMAT_NV12, .num_planes = 4,
+	  .char_per_block = { 1, 2, 1, 1 }, .block_w = { 1, 1, 4, 4 }, .block_h = { 1, 1, 1, 1 },
+	  .hsub = 2, .vsub = 2, .is_yuv = true },
+	{ .format = DRM_FORMAT_P010, .num_planes = 4,
+	  .char_per_block = { 2, 4, 1, 1 }, .block_w = { 1, 1, 2, 2 }, .block_h = { 1, 1, 1, 1 },
+	  .hsub = 2, .vsub = 2, .is_yuv = true },
+	{ .format = DRM_FORMAT_P012, .num_planes = 4,
+	  .char_per_block = { 2, 4, 1, 1 }, .block_w = { 1, 1, 2, 2 }, .block_h = { 1, 1, 1, 1 },
+	  .hsub = 2, .vsub = 2, .is_yuv = true },
+	{ .format = DRM_FORMAT_P016, .num_planes = 4,
+	  .char_per_block = { 2, 4, 1, 1 }, .block_w = { 1, 1, 2, 2 }, .block_h = { 1, 1, 1, 1 },
+	  .hsub = 2, .vsub = 2, .is_yuv = true },
 };
 
 static const struct drm_format_info *
@@ -2614,6 +2675,7 @@ intel_get_format_info(const struct drm_mode_fb_cmd2 *cmd)
 					  ARRAY_SIZE(skl_ccs_formats),
 					  cmd->pixel_format);
 	case I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS:
+	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
 		return lookup_format_info(gen12_ccs_formats,
 					  ARRAY_SIZE(gen12_ccs_formats),
 					  cmd->pixel_format);
@@ -2625,6 +2687,7 @@ intel_get_format_info(const struct drm_mode_fb_cmd2 *cmd)
 bool is_ccs_modifier(u64 modifier)
 {
 	return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||
+	       modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS ||
 	       modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
 	       modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
 }
@@ -2698,7 +2761,7 @@ intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane)
 	}
 
 	tile_width = intel_tile_width_bytes(fb, color_plane);
-	if (is_ccs_modifier(fb->modifier) && color_plane == 0) {
+	if (is_ccs_modifier(fb->modifier)) {
 		/*
 		 * Display WA #0531: skl,bxt,kbl,glk
 		 *
@@ -2708,7 +2771,7 @@ intel_fb_stride_alignment(const struct drm_framebuffer *fb, int color_plane)
 		 * require the entire fb to accommodate that to avoid
 		 * potential runtime errors at plane configuration time.
 		 */
-		if (IS_GEN(dev_priv, 9) && fb->width > 3840)
+		if (IS_GEN(dev_priv, 9) && color_plane == 0 && fb->width > 3840)
 			tile_width *= 4;
 		/*
 		 * The main surface pitch must be padded to a multiple of four
@@ -2876,11 +2939,15 @@ intel_fb_check_ccs_xy(struct drm_framebuffer *fb, int ccs_plane, int x, int y)
 static void
 intel_fb_plane_dims(int *w, int *h, struct drm_framebuffer *fb, int color_plane)
 {
+	int main_plane = is_ccs_plane(fb, color_plane) ?
+			 ccs_to_main_plane(fb, color_plane) : 0;
+	int main_hsub, main_vsub;
 	int hsub, vsub;
 
+	intel_fb_plane_get_subsampling(&main_hsub, &main_vsub, fb, main_plane);
 	intel_fb_plane_get_subsampling(&hsub, &vsub, fb, color_plane);
-	*w = fb->width / hsub;
-	*h = fb->height / vsub;
+	*w = fb->width / main_hsub / hsub;
+	*h = fb->height / main_vsub / vsub;
 }
 
 /*
@@ -3598,6 +3665,7 @@ static int skl_max_plane_width(const struct drm_framebuffer *fb,
 			return 5120;
 	case I915_FORMAT_MOD_Y_TILED_CCS:
 	case I915_FORMAT_MOD_Yf_TILED_CCS:
+	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
 		/* FIXME AUX plane? */
 	case I915_FORMAT_MOD_Y_TILED:
 	case I915_FORMAT_MOD_Yf_TILED:
@@ -3656,11 +3724,12 @@ static int icl_max_plane_height(void)
 	return 4320;
 }
 
-static bool skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state,
-					   int main_x, int main_y, u32 main_offset)
+static bool
+skl_check_main_ccs_coordinates(struct intel_plane_state *plane_state,
+			       int main_x, int main_y, u32 main_offset,
+			       int ccs_plane)
 {
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
-	int ccs_plane = main_to_ccs_plane(fb, 0);
 	int aux_x = plane_state->color_plane[ccs_plane].x;
 	int aux_y = plane_state->color_plane[ccs_plane].y;
 	u32 aux_offset = plane_state->color_plane[ccs_plane].offset;
@@ -3737,6 +3806,8 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
 	intel_add_fb_offsets(&x, &y, plane_state, 0);
 	offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 0);
 	alignment = intel_surf_alignment(fb, 0);
+	if (WARN_ON(alignment && !is_power_of_2(alignment)))
+		return -EINVAL;
 
 	/*
 	 * AUX surface offset is specified as the distance from the
@@ -3772,7 +3843,8 @@ static int skl_check_main_surface(struct intel_plane_state *plane_state)
 	 * they match with the main surface x/y offsets.
 	 */
 	if (is_ccs_modifier(fb->modifier)) {
-		while (!skl_check_main_ccs_coordinates(plane_state, x, y, offset)) {
+		while (!skl_check_main_ccs_coordinates(plane_state, x, y,
+						       offset, aux_plane)) {
 			if (offset == 0)
 				break;
 
@@ -3805,7 +3877,8 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
 {
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
 	unsigned int rotation = plane_state->hw.rotation;
-	int max_width = skl_max_plane_width(fb, 1, rotation);
+	int uv_plane = 1;
+	int max_width = skl_max_plane_width(fb, uv_plane, rotation);
 	int max_height = 4096;
 	int x = plane_state->uapi.src.x1 >> 17;
 	int y = plane_state->uapi.src.y1 >> 17;
@@ -3813,8 +3886,9 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
 	int h = drm_rect_height(&plane_state->uapi.src) >> 17;
 	u32 offset;
 
-	intel_add_fb_offsets(&x, &y, plane_state, 1);
-	offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 1);
+	intel_add_fb_offsets(&x, &y, plane_state, uv_plane);
+	offset = intel_plane_compute_aligned_offset(&x, &y,
+						    plane_state, uv_plane);
 
 	/* FIXME not quite sure how/if these apply to the chroma plane */
 	if (w > max_width || h > max_height) {
@@ -3823,9 +3897,39 @@ static int skl_check_nv12_aux_surface(struct intel_plane_state *plane_state)
 		return -EINVAL;
 	}
 
-	plane_state->color_plane[1].offset = offset;
-	plane_state->color_plane[1].x = x;
-	plane_state->color_plane[1].y = y;
+	if (is_ccs_modifier(fb->modifier)) {
+		int ccs_plane = main_to_ccs_plane(fb, uv_plane);
+		int aux_offset = plane_state->color_plane[ccs_plane].offset;
+		int alignment = intel_surf_alignment(fb, uv_plane);
+
+		if (offset > aux_offset)
+			offset = intel_plane_adjust_aligned_offset(&x, &y,
+								   plane_state,
+								   uv_plane,
+								   offset,
+								   aux_offset & ~(alignment - 1));
+
+		while (!skl_check_main_ccs_coordinates(plane_state, x, y,
+						       offset, ccs_plane)) {
+			if (offset == 0)
+				break;
+
+			offset = intel_plane_adjust_aligned_offset(&x, &y,
+								   plane_state,
+								   uv_plane,
+								   offset, offset - alignment);
+		}
+
+		if (x != plane_state->color_plane[ccs_plane].x ||
+		    y != plane_state->color_plane[ccs_plane].y) {
+			DRM_DEBUG_KMS("Unable to find suitable display surface offset due to CCS\n");
+			return -EINVAL;
+		}
+	}
+
+	plane_state->color_plane[uv_plane].offset = offset;
+	plane_state->color_plane[uv_plane].x = x;
+	plane_state->color_plane[uv_plane].y = y;
 
 	return 0;
 }
@@ -3835,21 +3939,40 @@ static int skl_check_ccs_aux_surface(struct intel_plane_state *plane_state)
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
 	int src_x = plane_state->uapi.src.x1 >> 16;
 	int src_y = plane_state->uapi.src.y1 >> 16;
-	int hsub;
-	int vsub;
-	int x;
-	int y;
 	u32 offset;
+	int ccs_plane;
+
+	for (ccs_plane = 0; ccs_plane < fb->format->num_planes; ccs_plane++) {
+		int main_hsub, main_vsub;
+		int hsub, vsub;
+		int x, y;
 
-	intel_fb_plane_get_subsampling(&hsub, &vsub, fb, 1);
-	x = src_x / hsub;
-	y = src_y / vsub;
-	intel_add_fb_offsets(&x, &y, plane_state, 1);
-	offset = intel_plane_compute_aligned_offset(&x, &y, plane_state, 1);
+		if (!is_ccs_plane(fb, ccs_plane))
+			continue;
+
+		intel_fb_plane_get_subsampling(&main_hsub, &main_vsub, fb,
+					       ccs_to_main_plane(fb, ccs_plane));
+		intel_fb_plane_get_subsampling(&hsub, &vsub, fb, ccs_plane);
 
-	plane_state->color_plane[1].offset = offset;
-	plane_state->color_plane[1].x = x * hsub + src_x % hsub;
-	plane_state->color_plane[1].y = y * vsub + src_y % vsub;
+		hsub *= main_hsub;
+		vsub *= main_vsub;
+		x = src_x / hsub;
+		y = src_y / vsub;
+
+		intel_add_fb_offsets(&x, &y, plane_state, ccs_plane);
+
+		offset = intel_plane_compute_aligned_offset(&x, &y,
+							    plane_state,
+							    ccs_plane);
+
+		plane_state->color_plane[ccs_plane].offset = offset;
+		plane_state->color_plane[ccs_plane].x = (x * hsub +
+							 src_x % hsub) /
+							main_hsub;
+		plane_state->color_plane[ccs_plane].y = (y * vsub +
+							 src_y % vsub) /
+							main_vsub;
+	}
 
 	return 0;
 }
@@ -3858,6 +3981,7 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state)
 {
 	const struct drm_framebuffer *fb = plane_state->hw.fb;
 	int ret;
+	bool needs_aux = false;
 
 	ret = intel_plane_compute_gtt(plane_state);
 	if (ret)
@@ -3867,22 +3991,32 @@ int skl_check_plane_surface(struct intel_plane_state *plane_state)
 		return 0;
 
 	/*
-	 * Handle the AUX surface first since
-	 * the main surface setup depends on it.
+	 * Handle the AUX surface first since the main surface setup depends on
+	 * it.
 	 */
+	if (is_ccs_modifier(fb->modifier)) {
+		needs_aux = true;
+		ret = skl_check_ccs_aux_surface(plane_state);
+		if (ret)
+			return ret;
+	}
+
 	if (intel_format_info_is_yuv_semiplanar(fb->format,
 						fb->modifier)) {
+		needs_aux = true;
 		ret = skl_check_nv12_aux_surface(plane_state);
 		if (ret)
 			return ret;
-	} else if (is_ccs_modifier(fb->modifier)) {
-		ret = skl_check_ccs_aux_surface(plane_state);
-		if (ret)
-			return ret;
-	} else {
-		plane_state->color_plane[1].offset = ~0xfff;
-		plane_state->color_plane[1].x = 0;
-		plane_state->color_plane[1].y = 0;
+	}
+
+	if (!needs_aux) {
+		int i;
+
+		for (i = 1; i < fb->format->num_planes; i++) {
+			plane_state->color_plane[i].offset = ~0xfff;
+			plane_state->color_plane[i].x = 0;
+			plane_state->color_plane[i].y = 0;
+		}
 	}
 
 	ret = skl_check_main_surface(plane_state);
@@ -4472,6 +4606,8 @@ static u32 skl_plane_ctl_tiling(u64 fb_modifier)
 		return PLANE_CTL_TILED_Y |
 		       PLANE_CTL_RENDER_DECOMPRESSION_ENABLE |
 		       PLANE_CTL_CLEAR_COLOR_DISABLE;
+	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
+		return PLANE_CTL_TILED_Y | PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE;
 	case I915_FORMAT_MOD_Yf_TILED:
 		return PLANE_CTL_TILED_YF;
 	case I915_FORMAT_MOD_Yf_TILED_CCS:
@@ -4869,8 +5005,8 @@ static void intel_fdi_normal_train(struct intel_crtc *crtc)
 }
 
 /* The FDI link training functions for ILK/Ibexpeak. */
-static void ironlake_fdi_link_train(struct intel_crtc *crtc,
-				    const struct intel_crtc_state *crtc_state)
+static void ilk_fdi_link_train(struct intel_crtc *crtc,
+			       const struct intel_crtc_state *crtc_state)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -5222,7 +5358,7 @@ train_done:
 	DRM_DEBUG_KMS("FDI train done.\n");
 }
 
-static void ironlake_fdi_pll_enable(const struct intel_crtc_state *crtc_state)
+static void ilk_fdi_pll_enable(const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
@@ -5259,7 +5395,7 @@ static void ironlake_fdi_pll_enable(const struct intel_crtc_state *crtc_state)
 	}
 }
 
-static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc)
+static void ilk_fdi_pll_disable(struct intel_crtc *intel_crtc)
 {
 	struct drm_device *dev = intel_crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -5289,7 +5425,7 @@ static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc)
 	udelay(100);
 }
 
-static void ironlake_fdi_disable(struct intel_crtc *crtc)
+static void ilk_fdi_disable(struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum pipe pipe = crtc->pipe;
@@ -5496,8 +5632,8 @@ int lpt_get_iclkip(struct drm_i915_private *dev_priv)
 				 desired_divisor << auxdiv);
 }
 
-static void ironlake_pch_transcoder_set_timings(const struct intel_crtc_state *crtc_state,
-						enum pipe pch_transcoder)
+static void ilk_pch_transcoder_set_timings(const struct intel_crtc_state *crtc_state,
+					   enum pipe pch_transcoder)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
@@ -5540,7 +5676,7 @@ static void cpt_set_fdi_bc_bifurcation(struct drm_i915_private *dev_priv, bool e
 	POSTING_READ(SOUTH_CHICKEN1);
 }
 
-static void ivybridge_update_fdi_bc_bifurcation(const struct intel_crtc_state *crtc_state)
+static void ivb_update_fdi_bc_bifurcation(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);
@@ -5601,8 +5737,8 @@ intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
  *   - DP transcoding bits
  *   - transcoder
  */
-static void ironlake_pch_enable(const struct intel_atomic_state *state,
-				const struct intel_crtc_state *crtc_state)
+static void ilk_pch_enable(const struct intel_atomic_state *state,
+			   const struct intel_crtc_state *crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	struct drm_device *dev = crtc->base.dev;
@@ -5613,7 +5749,7 @@ static void ironlake_pch_enable(const struct intel_atomic_state *state,
 	assert_pch_transcoder_disabled(dev_priv, pipe);
 
 	if (IS_IVYBRIDGE(dev_priv))
-		ivybridge_update_fdi_bc_bifurcation(crtc_state);
+		ivb_update_fdi_bc_bifurcation(crtc_state);
 
 	/* Write the TU size bits before fdi link training, so that error
 	 * detection works. */
@@ -5650,7 +5786,7 @@ static void ironlake_pch_enable(const struct intel_atomic_state *state,
 
 	/* set transcoder timing, panel must allow it */
 	assert_panel_unlocked(dev_priv, pipe);
-	ironlake_pch_transcoder_set_timings(crtc_state, pipe);
+	ilk_pch_transcoder_set_timings(crtc_state, pipe);
 
 	intel_fdi_normal_train(crtc);
 
@@ -5682,7 +5818,7 @@ static void ironlake_pch_enable(const struct intel_atomic_state *state,
 		I915_WRITE(reg, temp);
 	}
 
-	ironlake_enable_pch_transcoder(crtc_state);
+	ilk_enable_pch_transcoder(crtc_state);
 }
 
 static void lpt_pch_enable(const struct intel_atomic_state *state,
@@ -5697,7 +5833,7 @@ static void lpt_pch_enable(const struct intel_atomic_state *state,
 	lpt_program_iclkip(crtc_state);
 
 	/* Set transcoder timing. */
-	ironlake_pch_transcoder_set_timings(crtc_state, PIPE_A);
+	ilk_pch_transcoder_set_timings(crtc_state, PIPE_A);
 
 	lpt_enable_pch_transcoder(dev_priv, cpu_transcoder);
 }
@@ -6001,7 +6137,7 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 	return 0;
 }
 
-void skylake_scaler_disable(const struct intel_crtc_state *old_crtc_state)
+void skl_scaler_disable(const struct intel_crtc_state *old_crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	int i;
@@ -6010,7 +6146,7 @@ void skylake_scaler_disable(const struct intel_crtc_state *old_crtc_state)
 		skl_detach_scaler(crtc, i);
 }
 
-static void skylake_pfit_enable(const struct intel_crtc_state *crtc_state)
+static void skl_pfit_enable(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);
@@ -6047,7 +6183,7 @@ static void skylake_pfit_enable(const struct intel_crtc_state *crtc_state)
 	}
 }
 
-static void ironlake_pfit_enable(const struct intel_crtc_state *crtc_state)
+static void ilk_pfit_enable(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);
@@ -6411,45 +6547,29 @@ intel_connector_primary_encoder(struct intel_connector *connector)
 	if (connector->mst_port)
 		return &dp_to_dig_port(connector->mst_port)->base;
 
-	encoder = intel_attached_encoder(&connector->base);
+	encoder = intel_attached_encoder(connector);
 	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;
+	struct drm_connector *connector;
 	int i;
 
-	for_each_oldnew_connector_in_state(&state->base, conn,
-					   old_conn_state, new_conn_state, i) {
+	for_each_new_connector_in_state(&state->base, connector, new_conn_state,
+					i) {
+		struct intel_connector *intel_connector;
 		struct intel_encoder *encoder;
 		struct intel_crtc *crtc;
 
-		if (!intel_connector_needs_modeset(state,
-						   old_conn_state,
-						   new_conn_state))
+		if (!intel_connector_needs_modeset(state, connector))
 			continue;
 
-		encoder = intel_connector_primary_encoder(to_intel_connector(conn));
+		intel_connector = to_intel_connector(connector);
+		encoder = intel_connector_primary_encoder(intel_connector);
 		if (!encoder->update_prepare)
 			continue;
 
@@ -6461,22 +6581,21 @@ static void intel_encoders_update_prepare(struct intel_atomic_state *state)
 
 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;
+	struct drm_connector *connector;
 	int i;
 
-	for_each_oldnew_connector_in_state(&state->base, conn,
-					   old_conn_state, new_conn_state, i) {
+	for_each_new_connector_in_state(&state->base, connector, new_conn_state,
+					i) {
+		struct intel_connector *intel_connector;
 		struct intel_encoder *encoder;
 		struct intel_crtc *crtc;
 
-		if (!intel_connector_needs_modeset(state,
-						   old_conn_state,
-						   new_conn_state))
+		if (!intel_connector_needs_modeset(state, connector))
 			continue;
 
-		encoder = intel_connector_primary_encoder(to_intel_connector(conn));
+		intel_connector = to_intel_connector(connector);
+		encoder = intel_connector_primary_encoder(intel_connector);
 		if (!encoder->update_complete)
 			continue;
 
@@ -6643,8 +6762,8 @@ static void intel_disable_primary_plane(const struct intel_crtc_state *crtc_stat
 	plane->disable_plane(plane, crtc_state);
 }
 
-static void ironlake_crtc_enable(struct intel_atomic_state *state,
-				 struct intel_crtc *crtc)
+static void ilk_crtc_enable(struct intel_atomic_state *state,
+			    struct intel_crtc *crtc)
 {
 	const struct intel_crtc_state *new_crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
@@ -6680,7 +6799,7 @@ static void ironlake_crtc_enable(struct intel_atomic_state *state,
 		intel_cpu_transcoder_set_m_n(new_crtc_state,
 					     &new_crtc_state->fdi_m_n, NULL);
 
-	ironlake_set_pipeconf(new_crtc_state);
+	ilk_set_pipeconf(new_crtc_state);
 
 	crtc->active = true;
 
@@ -6690,13 +6809,13 @@ static void ironlake_crtc_enable(struct intel_atomic_state *state,
 		/* Note: FDI PLL enabling _must_ be done before we enable the
 		 * cpu pipes, hence this is separate from all the other fdi/pch
 		 * enabling. */
-		ironlake_fdi_pll_enable(new_crtc_state);
+		ilk_fdi_pll_enable(new_crtc_state);
 	} else {
 		assert_fdi_tx_disabled(dev_priv, pipe);
 		assert_fdi_rx_disabled(dev_priv, pipe);
 	}
 
-	ironlake_pfit_enable(new_crtc_state);
+	ilk_pfit_enable(new_crtc_state);
 
 	/*
 	 * On ILK+ LUT must be loaded before the pipe is running but with
@@ -6712,7 +6831,7 @@ static void ironlake_crtc_enable(struct intel_atomic_state *state,
 	intel_enable_pipe(new_crtc_state);
 
 	if (new_crtc_state->has_pch_encoder)
-		ironlake_pch_enable(state, new_crtc_state);
+		ilk_pch_enable(state, new_crtc_state);
 
 	intel_crtc_vblank_on(new_crtc_state);
 
@@ -6787,8 +6906,8 @@ static void hsw_set_frame_start_delay(const struct intel_crtc_state *crtc_state)
 	I915_WRITE(reg, val);
 }
 
-static void haswell_crtc_enable(struct intel_atomic_state *state,
-				struct intel_crtc *crtc)
+static void hsw_crtc_enable(struct intel_atomic_state *state,
+			    struct intel_crtc *crtc)
 {
 	const struct intel_crtc_state *new_crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
@@ -6829,7 +6948,7 @@ static void haswell_crtc_enable(struct intel_atomic_state *state,
 
 	if (!transcoder_is_dsi(cpu_transcoder)) {
 		hsw_set_frame_start_delay(new_crtc_state);
-		haswell_set_pipeconf(new_crtc_state);
+		hsw_set_pipeconf(new_crtc_state);
 	}
 
 	if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
@@ -6844,9 +6963,9 @@ static void haswell_crtc_enable(struct intel_atomic_state *state,
 		glk_pipe_scaler_clock_gating_wa(dev_priv, pipe, true);
 
 	if (INTEL_GEN(dev_priv) >= 9)
-		skylake_pfit_enable(new_crtc_state);
+		skl_pfit_enable(new_crtc_state);
 	else
-		ironlake_pfit_enable(new_crtc_state);
+		ilk_pfit_enable(new_crtc_state);
 
 	/*
 	 * On ILK+ LUT must be loaded before the pipe is running but with
@@ -6895,7 +7014,7 @@ static void haswell_crtc_enable(struct intel_atomic_state *state,
 	}
 }
 
-void ironlake_pfit_disable(const struct intel_crtc_state *old_crtc_state)
+void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
@@ -6910,8 +7029,8 @@ void ironlake_pfit_disable(const struct intel_crtc_state *old_crtc_state)
 	}
 }
 
-static void ironlake_crtc_disable(struct intel_atomic_state *state,
-				  struct intel_crtc *crtc)
+static void ilk_crtc_disable(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);
@@ -6932,15 +7051,15 @@ static void ironlake_crtc_disable(struct intel_atomic_state *state,
 
 	intel_disable_pipe(old_crtc_state);
 
-	ironlake_pfit_disable(old_crtc_state);
+	ilk_pfit_disable(old_crtc_state);
 
 	if (old_crtc_state->has_pch_encoder)
-		ironlake_fdi_disable(crtc);
+		ilk_fdi_disable(crtc);
 
 	intel_encoders_post_disable(state, crtc);
 
 	if (old_crtc_state->has_pch_encoder) {
-		ironlake_disable_pch_transcoder(dev_priv, pipe);
+		ilk_disable_pch_transcoder(dev_priv, pipe);
 
 		if (HAS_PCH_CPT(dev_priv)) {
 			i915_reg_t reg;
@@ -6960,15 +7079,15 @@ static void ironlake_crtc_disable(struct intel_atomic_state *state,
 			I915_WRITE(PCH_DPLL_SEL, temp);
 		}
 
-		ironlake_fdi_pll_disable(crtc);
+		ilk_fdi_pll_disable(crtc);
 	}
 
 	intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true);
 	intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true);
 }
 
-static void haswell_crtc_disable(struct intel_atomic_state *state,
-				 struct intel_crtc *crtc)
+static void hsw_crtc_disable(struct intel_atomic_state *state,
+			     struct intel_crtc *crtc)
 {
 	/*
 	 * FIXME collapse everything to one hook.
@@ -7505,8 +7624,8 @@ static int pipe_required_fdi_lanes(struct intel_crtc_state *crtc_state)
 	return 0;
 }
 
-static int ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe,
-				     struct intel_crtc_state *pipe_config)
+static int ilk_check_fdi_lanes(struct drm_device *dev, enum pipe pipe,
+			       struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct drm_atomic_state *state = pipe_config->uapi.state;
@@ -7578,8 +7697,8 @@ static int ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe,
 }
 
 #define RETRY 1
-static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc,
-				       struct intel_crtc_state *pipe_config)
+static int ilk_fdi_compute_config(struct intel_crtc *intel_crtc,
+				  struct intel_crtc_state *pipe_config)
 {
 	struct drm_device *dev = intel_crtc->base.dev;
 	const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
@@ -7598,15 +7717,15 @@ retry:
 
 	fdi_dotclock = adjusted_mode->crtc_clock;
 
-	lane = ironlake_get_lanes_required(fdi_dotclock, link_bw,
-					   pipe_config->pipe_bpp);
+	lane = ilk_get_lanes_required(fdi_dotclock, link_bw,
+				      pipe_config->pipe_bpp);
 
 	pipe_config->fdi_lanes = lane;
 
 	intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock,
 			       link_bw, &pipe_config->fdi_m_n, false, false);
 
-	ret = ironlake_check_fdi_lanes(dev, intel_crtc->pipe, pipe_config);
+	ret = ilk_check_fdi_lanes(dev, intel_crtc->pipe, pipe_config);
 	if (ret == -EDEADLK)
 		return ret;
 
@@ -7812,7 +7931,7 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
 	intel_crtc_compute_pixel_rate(pipe_config);
 
 	if (pipe_config->has_pch_encoder)
-		return ironlake_fdi_compute_config(crtc, pipe_config);
+		return ilk_fdi_compute_config(crtc, pipe_config);
 
 	return 0;
 }
@@ -8795,9 +8914,9 @@ static int pnv_crtc_compute_clock(struct intel_crtc *crtc,
 			DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk);
 		}
 
-		limit = &intel_limits_pineview_lvds;
+		limit = &pnv_limits_lvds;
 	} else {
-		limit = &intel_limits_pineview_sdvo;
+		limit = &pnv_limits_sdvo;
 	}
 
 	if (!crtc_state->clock_set &&
@@ -9224,7 +9343,7 @@ out:
 	return ret;
 }
 
-static void ironlake_init_pch_refclk(struct drm_i915_private *dev_priv)
+static void ilk_init_pch_refclk(struct drm_i915_private *dev_priv)
 {
 	struct intel_encoder *encoder;
 	int i;
@@ -9722,12 +9841,12 @@ static void lpt_init_pch_refclk(struct drm_i915_private *dev_priv)
 void intel_init_pch_refclk(struct drm_i915_private *dev_priv)
 {
 	if (HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv))
-		ironlake_init_pch_refclk(dev_priv);
+		ilk_init_pch_refclk(dev_priv);
 	else if (HAS_PCH_LPT(dev_priv))
 		lpt_init_pch_refclk(dev_priv);
 }
 
-static void ironlake_set_pipeconf(const struct intel_crtc_state *crtc_state)
+static void ilk_set_pipeconf(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);
@@ -9783,7 +9902,7 @@ static void ironlake_set_pipeconf(const struct intel_crtc_state *crtc_state)
 	POSTING_READ(PIPECONF(pipe));
 }
 
-static void haswell_set_pipeconf(const struct intel_crtc_state *crtc_state)
+static void hsw_set_pipeconf(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);
@@ -9871,7 +9990,7 @@ int bdw_get_pipemisc_bpp(struct intel_crtc *crtc)
 	}
 }
 
-int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp)
+int ilk_get_lanes_required(int target_clock, int link_bw, int bpp)
 {
 	/*
 	 * Account for spread spectrum to avoid
@@ -9882,14 +10001,14 @@ int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp)
 	return DIV_ROUND_UP(bps, link_bw * 8);
 }
 
-static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor)
+static bool ilk_needs_fb_cb_tune(struct dpll *dpll, int factor)
 {
 	return i9xx_dpll_compute_m(dpll) < factor * dpll->n;
 }
 
-static void ironlake_compute_dpll(struct intel_crtc *crtc,
-				  struct intel_crtc_state *crtc_state,
-				  struct dpll *reduced_clock)
+static void ilk_compute_dpll(struct intel_crtc *crtc,
+			     struct intel_crtc_state *crtc_state,
+			     struct dpll *reduced_clock)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	u32 dpll, fp, fp2;
@@ -9909,7 +10028,7 @@ static void ironlake_compute_dpll(struct intel_crtc *crtc,
 
 	fp = i9xx_dpll_compute_fp(&crtc_state->dpll);
 
-	if (ironlake_needs_fb_cb_tune(&crtc_state->dpll, factor))
+	if (ilk_needs_fb_cb_tune(&crtc_state->dpll, factor))
 		fp |= FP_CB_TUNE;
 
 	if (reduced_clock) {
@@ -9989,8 +10108,8 @@ static void ironlake_compute_dpll(struct intel_crtc *crtc,
 	crtc_state->dpll_hw_state.fp1 = fp2;
 }
 
-static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
-				       struct intel_crtc_state *crtc_state)
+static int ilk_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 =
@@ -10014,17 +10133,17 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
 
 		if (intel_is_dual_link_lvds(dev_priv)) {
 			if (refclk == 100000)
-				limit = &intel_limits_ironlake_dual_lvds_100m;
+				limit = &ilk_limits_dual_lvds_100m;
 			else
-				limit = &intel_limits_ironlake_dual_lvds;
+				limit = &ilk_limits_dual_lvds;
 		} else {
 			if (refclk == 100000)
-				limit = &intel_limits_ironlake_single_lvds_100m;
+				limit = &ilk_limits_single_lvds_100m;
 			else
-				limit = &intel_limits_ironlake_single_lvds;
+				limit = &ilk_limits_single_lvds;
 		}
 	} else {
-		limit = &intel_limits_ironlake_dac;
+		limit = &ilk_limits_dac;
 	}
 
 	if (!crtc_state->clock_set &&
@@ -10034,7 +10153,7 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
 		return -EINVAL;
 	}
 
-	ironlake_compute_dpll(crtc, crtc_state, NULL);
+	ilk_compute_dpll(crtc, crtc_state, NULL);
 
 	if (!intel_reserve_shared_dplls(state, crtc, NULL)) {
 		DRM_DEBUG_KMS("failed to find PLL for pipe %c\n",
@@ -10109,15 +10228,15 @@ void intel_dp_get_m_n(struct intel_crtc *crtc,
 					     &pipe_config->dp_m2_n2);
 }
 
-static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc,
-					struct intel_crtc_state *pipe_config)
+static void ilk_get_fdi_m_n_config(struct intel_crtc *crtc,
+				   struct intel_crtc_state *pipe_config)
 {
 	intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder,
 				     &pipe_config->fdi_m_n, NULL);
 }
 
-static void skylake_get_pfit_config(struct intel_crtc *crtc,
-				    struct intel_crtc_state *pipe_config)
+static void skl_get_pfit_config(struct intel_crtc *crtc,
+				struct intel_crtc_state *pipe_config)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -10148,8 +10267,8 @@ static void skylake_get_pfit_config(struct intel_crtc *crtc,
 }
 
 static void
-skylake_get_initial_plane_config(struct intel_crtc *crtc,
-				 struct intel_initial_plane_config *plane_config)
+skl_get_initial_plane_config(struct intel_crtc *crtc,
+			     struct intel_initial_plane_config *plane_config)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -10210,6 +10329,8 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
 			fb->modifier = INTEL_GEN(dev_priv) >= 12 ?
 				I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS :
 				I915_FORMAT_MOD_Y_TILED_CCS;
+		else if (val & PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE)
+			fb->modifier = I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS;
 		else
 			fb->modifier = I915_FORMAT_MOD_Y_TILED;
 		break;
@@ -10276,8 +10397,8 @@ error:
 	kfree(intel_fb);
 }
 
-static void ironlake_get_pfit_config(struct intel_crtc *crtc,
-				     struct intel_crtc_state *pipe_config)
+static void ilk_get_pfit_config(struct intel_crtc *crtc,
+				struct intel_crtc_state *pipe_config)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -10300,8 +10421,8 @@ static void ironlake_get_pfit_config(struct intel_crtc *crtc,
 	}
 }
 
-static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
-				     struct intel_crtc_state *pipe_config)
+static bool ilk_get_pipe_config(struct intel_crtc *crtc,
+				struct intel_crtc_state *pipe_config)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
@@ -10372,7 +10493,7 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
 		pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >>
 					  FDI_DP_PORT_WIDTH_SHIFT) + 1;
 
-		ironlake_get_fdi_m_n_config(crtc, pipe_config);
+		ilk_get_fdi_m_n_config(crtc, pipe_config);
 
 		if (HAS_PCH_IBX(dev_priv)) {
 			/*
@@ -10400,7 +10521,7 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
 			((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK)
 			 >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1;
 
-		ironlake_pch_clock_get(crtc, pipe_config);
+		ilk_pch_clock_get(crtc, pipe_config);
 	} else {
 		pipe_config->pixel_multiplier = 1;
 	}
@@ -10408,7 +10529,7 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
 	intel_get_pipe_timings(crtc, pipe_config);
 	intel_get_pipe_src_size(crtc, pipe_config);
 
-	ironlake_get_pfit_config(crtc, pipe_config);
+	ilk_get_pfit_config(crtc, pipe_config);
 
 	ret = true;
 
@@ -10417,8 +10538,9 @@ out:
 
 	return ret;
 }
-static int haswell_crtc_compute_clock(struct intel_crtc *crtc,
-				      struct intel_crtc_state *crtc_state)
+
+static int hsw_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 =
@@ -10439,9 +10561,8 @@ static int haswell_crtc_compute_clock(struct intel_crtc *crtc,
 	return 0;
 }
 
-static void cannonlake_get_ddi_pll(struct drm_i915_private *dev_priv,
-				   enum port port,
-				   struct intel_crtc_state *pipe_config)
+static void cnl_get_ddi_pll(struct drm_i915_private *dev_priv, enum port port,
+			    struct intel_crtc_state *pipe_config)
 {
 	enum intel_dpll_id id;
 	u32 temp;
@@ -10455,9 +10576,8 @@ static void cannonlake_get_ddi_pll(struct drm_i915_private *dev_priv,
 	pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id);
 }
 
-static void icelake_get_ddi_pll(struct drm_i915_private *dev_priv,
-				enum port port,
-				struct intel_crtc_state *pipe_config)
+static void icl_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;
@@ -10516,9 +10636,8 @@ static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv,
 	pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id);
 }
 
-static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv,
-				enum port port,
-				struct intel_crtc_state *pipe_config)
+static void skl_get_ddi_pll(struct drm_i915_private *dev_priv, enum port port,
+			    struct intel_crtc_state *pipe_config)
 {
 	enum intel_dpll_id id;
 	u32 temp;
@@ -10532,9 +10651,8 @@ static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv,
 	pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id);
 }
 
-static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv,
-				enum port port,
-				struct intel_crtc_state *pipe_config)
+static void hsw_get_ddi_pll(struct drm_i915_private *dev_priv, enum port port,
+			    struct intel_crtc_state *pipe_config)
 {
 	enum intel_dpll_id id;
 	u32 ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
@@ -10722,8 +10840,8 @@ static bool bxt_get_dsi_transcoder_state(struct intel_crtc *crtc,
 	return transcoder_is_dsi(pipe_config->cpu_transcoder);
 }
 
-static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
-				       struct intel_crtc_state *pipe_config)
+static void hsw_get_ddi_port_state(struct intel_crtc *crtc,
+				   struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
@@ -10743,15 +10861,15 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
 	}
 
 	if (INTEL_GEN(dev_priv) >= 11)
-		icelake_get_ddi_pll(dev_priv, port, pipe_config);
+		icl_get_ddi_pll(dev_priv, port, pipe_config);
 	else if (IS_CANNONLAKE(dev_priv))
-		cannonlake_get_ddi_pll(dev_priv, port, pipe_config);
+		cnl_get_ddi_pll(dev_priv, port, pipe_config);
 	else if (IS_GEN9_BC(dev_priv))
-		skylake_get_ddi_pll(dev_priv, port, pipe_config);
+		skl_get_ddi_pll(dev_priv, port, pipe_config);
 	else if (IS_GEN9_LP(dev_priv))
 		bxt_get_ddi_pll(dev_priv, port, pipe_config);
 	else
-		haswell_get_ddi_pll(dev_priv, port, pipe_config);
+		hsw_get_ddi_pll(dev_priv, port, pipe_config);
 
 	pll = pipe_config->shared_dpll;
 	if (pll) {
@@ -10772,7 +10890,7 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
 		pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >>
 					  FDI_DP_PORT_WIDTH_SHIFT) + 1;
 
-		ironlake_get_fdi_m_n_config(crtc, pipe_config);
+		ilk_get_fdi_m_n_config(crtc, pipe_config);
 	}
 }
 
@@ -10794,7 +10912,7 @@ static enum transcoder transcoder_master_readout(struct drm_i915_private *dev_pr
 		return master_select - 1;
 }
 
-static void icelake_get_trans_port_sync_config(struct intel_crtc_state *crtc_state)
+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;
@@ -10829,8 +10947,8 @@ static void icelake_get_trans_port_sync_config(struct intel_crtc_state *crtc_sta
 		crtc_state->sync_mode_slaves_mask);
 }
 
-static bool haswell_get_pipe_config(struct intel_crtc *crtc,
-				    struct intel_crtc_state *pipe_config)
+static bool hsw_get_pipe_config(struct intel_crtc *crtc,
+				struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	intel_wakeref_t wakerefs[POWER_DOMAIN_NUM], wf;
@@ -10865,7 +10983,7 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
 
 	if (!transcoder_is_dsi(pipe_config->cpu_transcoder) ||
 	    INTEL_GEN(dev_priv) >= 11) {
-		haswell_get_ddi_port_state(crtc, pipe_config);
+		hsw_get_ddi_port_state(crtc, pipe_config);
 		intel_get_pipe_timings(crtc, pipe_config);
 	}
 
@@ -10922,9 +11040,9 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
 		power_domain_mask |= BIT_ULL(power_domain);
 
 		if (INTEL_GEN(dev_priv) >= 9)
-			skylake_get_pfit_config(crtc, pipe_config);
+			skl_get_pfit_config(crtc, pipe_config);
 		else
-			ironlake_get_pfit_config(crtc, pipe_config);
+			ilk_get_pfit_config(crtc, pipe_config);
 	}
 
 	if (hsw_crtc_supports_ips(crtc)) {
@@ -10950,7 +11068,7 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
 
 	if (INTEL_GEN(dev_priv) >= 11 &&
 	    !transcoder_is_dsi(pipe_config->cpu_transcoder))
-		icelake_get_trans_port_sync_config(pipe_config);
+		icl_get_trans_port_sync_config(pipe_config);
 
 out:
 	for_each_power_domain(power_domain, power_domain_mask)
@@ -11570,7 +11688,7 @@ int intel_get_load_detect_pipe(struct drm_connector *connector,
 {
 	struct intel_crtc *intel_crtc;
 	struct intel_encoder *intel_encoder =
-		intel_attached_encoder(connector);
+		intel_attached_encoder(to_intel_connector(connector));
 	struct drm_crtc *possible_crtc;
 	struct drm_encoder *encoder = &intel_encoder->base;
 	struct drm_crtc *crtc = NULL;
@@ -11724,7 +11842,7 @@ void intel_release_load_detect_pipe(struct drm_connector *connector,
 				    struct drm_modeset_acquire_ctx *ctx)
 {
 	struct intel_encoder *intel_encoder =
-		intel_attached_encoder(connector);
+		intel_attached_encoder(to_intel_connector(connector));
 	struct drm_encoder *encoder = &intel_encoder->base;
 	struct drm_atomic_state *state = old->restore_state;
 	int ret;
@@ -11867,8 +11985,8 @@ int intel_dotclock_calculate(int link_freq,
 	return div_u64(mul_u32_u32(m_n->link_m, link_freq), m_n->link_n);
 }
 
-static void ironlake_pch_clock_get(struct intel_crtc *crtc,
-				   struct intel_crtc_state *pipe_config)
+static void ilk_pch_clock_get(struct intel_crtc *crtc,
+			      struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 
@@ -11897,6 +12015,7 @@ static void intel_crtc_state_reset(struct intel_crtc_state *crtc_state,
 	crtc_state->hsw_workaround_pipe = INVALID_PIPE;
 	crtc_state->output_format = INTEL_OUTPUT_FORMAT_INVALID;
 	crtc_state->scaler_state.scaler_id = -1;
+	crtc_state->mst_master_transcoder = INVALID_TRANSCODER;
 }
 
 static struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc)
@@ -12278,88 +12397,121 @@ static bool c8_planes_changed(const struct intel_crtc_state *new_crtc_state)
 	return !old_crtc_state->c8_planes != !new_crtc_state->c8_planes;
 }
 
-static int icl_add_sync_mode_crtcs(struct intel_crtc_state *crtc_state)
+static bool
+intel_atomic_is_master_connector(struct intel_crtc_state *crtc_state)
+{
+	struct drm_crtc *crtc = crtc_state->uapi.crtc;
+	struct drm_atomic_state *state = crtc_state->uapi.state;
+	struct drm_connector *connector;
+	struct drm_connector_state *connector_state;
+	int i;
+
+	for_each_new_connector_in_state(state, connector, connector_state, i) {
+		if (connector_state->crtc != crtc)
+			continue;
+		if (connector->has_tile &&
+		    connector->tile_h_loc == connector->num_h_tile - 1 &&
+		    connector->tile_v_loc == connector->num_v_tile - 1)
+			return true;
+	}
+
+	return false;
+}
+
+static void reset_port_sync_mode_state(struct intel_crtc_state *crtc_state)
+{
+	crtc_state->master_transcoder = INVALID_TRANSCODER;
+	crtc_state->sync_mode_slaves_mask = 0;
+}
+
+static int icl_compute_port_sync_crtc_state(struct drm_connector *connector,
+					    struct intel_crtc_state *crtc_state,
+					    int num_tiled_conns)
 {
 	struct drm_crtc *crtc = crtc_state->uapi.crtc;
 	struct intel_atomic_state *state = to_intel_atomic_state(crtc_state->uapi.state);
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
-	struct drm_connector *master_connector, *connector;
-	struct drm_connector_state *connector_state;
+	struct drm_connector *master_connector;
 	struct drm_connector_list_iter conn_iter;
 	struct drm_crtc *master_crtc = NULL;
 	struct drm_crtc_state *master_crtc_state;
 	struct intel_crtc_state *master_pipe_config;
-	int i, tile_group_id;
 
 	if (INTEL_GEN(dev_priv) < 11)
 		return 0;
 
+	if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP))
+		return 0;
+
 	/*
 	 * In case of tiled displays there could be one or more slaves but there is
 	 * only one master. Lets make the CRTC used by the connector corresponding
 	 * to the last horizonal and last vertical tile a master/genlock CRTC.
 	 * All the other CRTCs corresponding to other tiles of the same Tile group
 	 * are the slave CRTCs and hold a pointer to their genlock CRTC.
+	 * If all tiles not present do not make master slave assignments.
 	 */
-	for_each_new_connector_in_state(&state->base, connector, connector_state, i) {
-		if (connector_state->crtc != crtc)
-			continue;
-		if (!connector->has_tile)
+	if (!connector->has_tile ||
+	    crtc_state->hw.mode.hdisplay != connector->tile_h_size ||
+	    crtc_state->hw.mode.vdisplay != connector->tile_v_size ||
+	    num_tiled_conns < connector->num_h_tile * connector->num_v_tile) {
+		reset_port_sync_mode_state(crtc_state);
+		return 0;
+	}
+	/* Last Horizontal and last vertical tile connector is a master
+	 * Master's crtc state is already populated in slave for port sync
+	 */
+	if (connector->tile_h_loc == connector->num_h_tile - 1 &&
+	    connector->tile_v_loc == connector->num_v_tile - 1)
+		return 0;
+
+	/* Loop through all connectors and configure the Slave crtc_state
+	 * to point to the correct master.
+	 */
+	drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
+	drm_for_each_connector_iter(master_connector, &conn_iter) {
+		struct drm_connector_state *master_conn_state = NULL;
+
+		if (!(master_connector->has_tile &&
+		      master_connector->tile_group->id == connector->tile_group->id))
 			continue;
-		if (crtc_state->hw.mode.hdisplay != connector->tile_h_size ||
-		    crtc_state->hw.mode.vdisplay != connector->tile_v_size)
-			return 0;
-		if (connector->tile_h_loc == connector->num_h_tile - 1 &&
-		    connector->tile_v_loc == connector->num_v_tile - 1)
+		if (master_connector->tile_h_loc != master_connector->num_h_tile - 1 ||
+		    master_connector->tile_v_loc != master_connector->num_v_tile - 1)
 			continue;
-		crtc_state->sync_mode_slaves_mask = 0;
-		tile_group_id = connector->tile_group->id;
-		drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
-		drm_for_each_connector_iter(master_connector, &conn_iter) {
-			struct drm_connector_state *master_conn_state = NULL;
-
-			if (!master_connector->has_tile)
-				continue;
-			if (master_connector->tile_h_loc != master_connector->num_h_tile - 1 ||
-			    master_connector->tile_v_loc != master_connector->num_v_tile - 1)
-				continue;
-			if (master_connector->tile_group->id != tile_group_id)
-				continue;
 
-			master_conn_state = drm_atomic_get_connector_state(&state->base,
-									   master_connector);
-			if (IS_ERR(master_conn_state)) {
-				drm_connector_list_iter_end(&conn_iter);
-				return PTR_ERR(master_conn_state);
-			}
-			if (master_conn_state->crtc) {
-				master_crtc = master_conn_state->crtc;
-				break;
-			}
+		master_conn_state = drm_atomic_get_connector_state(&state->base,
+								   master_connector);
+		if (IS_ERR(master_conn_state)) {
+			drm_connector_list_iter_end(&conn_iter);
+			return PTR_ERR(master_conn_state);
 		}
-		drm_connector_list_iter_end(&conn_iter);
-
-		if (!master_crtc) {
-			DRM_DEBUG_KMS("Could not find Master CRTC for Slave CRTC %d\n",
-				      connector_state->crtc->base.id);
-			return -EINVAL;
+		if (master_conn_state->crtc) {
+			master_crtc = master_conn_state->crtc;
+			break;
 		}
+	}
+	drm_connector_list_iter_end(&conn_iter);
 
-		master_crtc_state = drm_atomic_get_crtc_state(&state->base,
-							      master_crtc);
-		if (IS_ERR(master_crtc_state))
-			return PTR_ERR(master_crtc_state);
-
-		master_pipe_config = to_intel_crtc_state(master_crtc_state);
-		crtc_state->master_transcoder = master_pipe_config->cpu_transcoder;
-		master_pipe_config->sync_mode_slaves_mask |=
-			BIT(crtc_state->cpu_transcoder);
-		DRM_DEBUG_KMS("Master Transcoder = %s added for Slave CRTC = %d, slave transcoder bitmask = %d\n",
-			      transcoder_name(crtc_state->master_transcoder),
-			      crtc_state->uapi.crtc->base.id,
-			      master_pipe_config->sync_mode_slaves_mask);
+	if (!master_crtc) {
+		DRM_DEBUG_KMS("Could not find Master CRTC for Slave CRTC %d\n",
+			      crtc->base.id);
+		return -EINVAL;
 	}
 
+	master_crtc_state = drm_atomic_get_crtc_state(&state->base,
+						      master_crtc);
+	if (IS_ERR(master_crtc_state))
+		return PTR_ERR(master_crtc_state);
+
+	master_pipe_config = to_intel_crtc_state(master_crtc_state);
+	crtc_state->master_transcoder = master_pipe_config->cpu_transcoder;
+	master_pipe_config->sync_mode_slaves_mask |=
+		BIT(crtc_state->cpu_transcoder);
+	DRM_DEBUG_KMS("Master Transcoder = %s added for Slave CRTC = %d, slave transcoder bitmask = %d\n",
+		      transcoder_name(crtc_state->master_transcoder),
+		      crtc->base.id,
+		      master_pipe_config->sync_mode_slaves_mask);
+
 	return 0;
 }
 
@@ -12755,6 +12907,9 @@ static void intel_dump_pipe_config(const struct intel_crtc_state *pipe_config,
 			      pipe_config->csc_mode, pipe_config->gamma_mode,
 			      pipe_config->gamma_enable, pipe_config->csc_enable);
 
+	DRM_DEBUG_KMS("MST master transcoder: %s\n",
+		      transcoder_name(pipe_config->mst_master_transcoder));
+
 dump_planes:
 	if (!state)
 		return;
@@ -12901,9 +13056,11 @@ intel_crtc_prepare_cleared_state(struct intel_crtc_state *crtc_state)
 		saved_state->wm = crtc_state->wm;
 	/*
 	 * Save the slave bitmask which gets filled for master crtc state during
-	 * slave atomic check call.
+	 * slave atomic check call. For all other CRTCs reset the port sync variables
+	 * crtc_state->master_transcoder needs to be set to INVALID
 	 */
-	if (is_trans_port_sync_master(crtc_state))
+	reset_port_sync_mode_state(saved_state);
+	if (intel_atomic_is_master_connector(crtc_state))
 		saved_state->sync_mode_slaves_mask =
 			crtc_state->sync_mode_slaves_mask;
 
@@ -12924,7 +13081,7 @@ intel_modeset_pipe_config(struct intel_crtc_state *pipe_config)
 	struct drm_connector *connector;
 	struct drm_connector_state *connector_state;
 	int base_bpp, ret;
-	int i;
+	int i, tile_group_id = -1, num_tiled_conns = 0;
 	bool retry = true;
 
 	pipe_config->cpu_transcoder =
@@ -12994,13 +13151,22 @@ encoder_retry:
 	drm_mode_set_crtcinfo(&pipe_config->hw.adjusted_mode,
 			      CRTC_STEREO_DOUBLE);
 
-	/* Set the crtc_state defaults for trans_port_sync */
-	pipe_config->master_transcoder = INVALID_TRANSCODER;
-	ret = icl_add_sync_mode_crtcs(pipe_config);
-	if (ret) {
-		DRM_DEBUG_KMS("Cannot assign Sync Mode CRTCs: %d\n",
-			      ret);
-		return ret;
+	/* Get tile_group_id of tiled connector */
+	for_each_new_connector_in_state(state, connector, connector_state, i) {
+		if (connector_state->crtc == crtc &&
+		    connector->has_tile) {
+			tile_group_id = connector->tile_group->id;
+			break;
+		}
+	}
+
+	/* Get total number of tiled connectors in state that belong to
+	 * this tile group.
+	 */
+	for_each_new_connector_in_state(state, connector, connector_state, i) {
+		if (connector->has_tile &&
+		    connector->tile_group->id == tile_group_id)
+			num_tiled_conns++;
 	}
 
 	/* Pass our mode to the connectors and the CRTC to give them a chance to
@@ -13011,6 +13177,14 @@ encoder_retry:
 		if (connector_state->crtc != crtc)
 			continue;
 
+		ret = icl_compute_port_sync_crtc_state(connector, pipe_config,
+						       num_tiled_conns);
+		if (ret) {
+			DRM_DEBUG_KMS("Cannot assign Sync Mode CRTCs: %d\n",
+				      ret);
+			return ret;
+		}
+
 		encoder = to_intel_encoder(connector_state->best_encoder);
 		ret = encoder->compute_config(encoder, pipe_config,
 					      connector_state);
@@ -13535,6 +13709,8 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
 	PIPE_CONF_CHECK_I(dsc.dsc_split);
 	PIPE_CONF_CHECK_I(dsc.compressed_bpp);
 
+	PIPE_CONF_CHECK_I(mst_master_transcoder);
+
 #undef PIPE_CONF_CHECK_X
 #undef PIPE_CONF_CHECK_I
 #undef PIPE_CONF_CHECK_BOOL
@@ -14048,7 +14224,7 @@ static void intel_modeset_clear_plls(struct intel_atomic_state *state)
  * multiple pipes, and planes are enabled after the pipe, we need to wait at
  * least 2 vblanks on the first pipe before enabling planes on the second pipe.
  */
-static int haswell_mode_set_planes_workaround(struct intel_atomic_state *state)
+static int hsw_mode_set_planes_workaround(struct intel_atomic_state *state)
 {
 	struct intel_crtc_state *crtc_state;
 	struct intel_crtc *crtc;
@@ -14143,7 +14319,7 @@ static int intel_modeset_checks(struct intel_atomic_state *state)
 	intel_modeset_clear_plls(state);
 
 	if (IS_HASWELL(dev_priv))
-		return haswell_mode_set_planes_workaround(state);
+		return hsw_mode_set_planes_workaround(state);
 
 	return 0;
 }
@@ -14173,7 +14349,11 @@ static void intel_crtc_check_fastset(const struct intel_crtc_state *old_crtc_sta
 
 	new_crtc_state->uapi.mode_changed = false;
 	new_crtc_state->update_pipe = true;
+}
 
+static void intel_crtc_copy_fastset(const struct intel_crtc_state *old_crtc_state,
+				    struct intel_crtc_state *new_crtc_state)
+{
 	/*
 	 * If we're not doing the full modeset we want to
 	 * keep the current M/N values as they may be
@@ -14296,6 +14476,107 @@ static int intel_atomic_check_crtcs(struct intel_atomic_state *state)
 	return 0;
 }
 
+static bool intel_cpu_transcoder_needs_modeset(struct intel_atomic_state *state,
+					       enum transcoder transcoder)
+{
+	struct intel_crtc_state *new_crtc_state;
+	struct intel_crtc *crtc;
+	int i;
+
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i)
+		if (new_crtc_state->cpu_transcoder == transcoder)
+			return needs_modeset(new_crtc_state);
+
+	return false;
+}
+
+static void
+intel_modeset_synced_crtcs(struct intel_atomic_state *state,
+			   u8 transcoders)
+{
+	struct intel_crtc_state *new_crtc_state;
+	struct intel_crtc *crtc;
+	int i;
+
+	for_each_new_intel_crtc_in_state(state, crtc,
+					 new_crtc_state, i) {
+		if (transcoders & BIT(new_crtc_state->cpu_transcoder)) {
+			new_crtc_state->uapi.mode_changed = true;
+			new_crtc_state->update_pipe = false;
+		}
+	}
+}
+
+static int
+intel_modeset_all_tiles(struct intel_atomic_state *state, int tile_grp_id)
+{
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct drm_connector *connector;
+	struct drm_connector_list_iter conn_iter;
+	int ret = 0;
+
+	drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
+		struct drm_connector_state *conn_state;
+		struct drm_crtc_state *crtc_state;
+
+		if (!connector->has_tile ||
+		    connector->tile_group->id != tile_grp_id)
+			continue;
+		conn_state = drm_atomic_get_connector_state(&state->base,
+							    connector);
+		if (IS_ERR(conn_state)) {
+			ret =  PTR_ERR(conn_state);
+			break;
+		}
+
+		if (!conn_state->crtc)
+			continue;
+
+		crtc_state = drm_atomic_get_crtc_state(&state->base,
+						       conn_state->crtc);
+		if (IS_ERR(crtc_state)) {
+			ret = PTR_ERR(crtc_state);
+			break;
+		}
+		crtc_state->mode_changed = true;
+		ret = drm_atomic_add_affected_connectors(&state->base,
+							 conn_state->crtc);
+		if (ret)
+			break;
+	}
+	drm_connector_list_iter_end(&conn_iter);
+
+	return ret;
+}
+
+static int
+intel_atomic_check_tiled_conns(struct intel_atomic_state *state)
+{
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct drm_connector *connector;
+	struct drm_connector_state *old_conn_state, *new_conn_state;
+	int i, ret;
+
+	if (INTEL_GEN(dev_priv) < 11)
+		return 0;
+
+	/* Is tiled, mark all other tiled CRTCs as needing a modeset */
+	for_each_oldnew_connector_in_state(&state->base, connector,
+					   old_conn_state, new_conn_state, i) {
+		if (!connector->has_tile)
+			continue;
+		if (!intel_connector_needs_modeset(state, connector))
+			continue;
+
+		ret = intel_modeset_all_tiles(state, connector->tile_group->id);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
 /**
  * intel_atomic_check - validate state object
  * @dev: drm device
@@ -14323,6 +14604,21 @@ static int intel_atomic_check(struct drm_device *dev,
 	if (ret)
 		goto fail;
 
+	/**
+	 * This check adds all the connectors in current state that belong to
+	 * the same tile group to a full modeset.
+	 * This function directly sets the mode_changed to true and we also call
+	 * drm_atomic_add_affected_connectors(). Hence we are not explicitly
+	 * calling drm_atomic_helper_check_modeset() after this.
+	 *
+	 * Fixme: Handle some corner cases where one of the
+	 * tiled connectors gets disconnected and tile info is lost but since it
+	 * was previously synced to other conn, we need to add that to the modeset.
+	 */
+	ret = intel_atomic_check_tiled_conns(state);
+	if (ret)
+		goto fail;
+
 	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
 					    new_crtc_state, i) {
 		if (!needs_modeset(new_crtc_state)) {
@@ -14334,8 +14630,6 @@ static int intel_atomic_check(struct drm_device *dev,
 
 		if (!new_crtc_state->uapi.enable) {
 			intel_crtc_copy_uapi_to_hw_state(new_crtc_state);
-
-			any_ms = true;
 			continue;
 		}
 
@@ -14348,9 +14642,49 @@ static int intel_atomic_check(struct drm_device *dev,
 			goto fail;
 
 		intel_crtc_check_fastset(old_crtc_state, new_crtc_state);
+	}
+
+	/**
+	 * Check if fastset is allowed by external dependencies like other
+	 * pipes and transcoders.
+	 *
+	 * Right now it only forces a fullmodeset when the MST master
+	 * transcoder did not changed but the pipe of the master transcoder
+	 * needs a fullmodeset so all slaves also needs to do a fullmodeset or
+	 * in case of port synced crtcs, if one of the synced crtcs
+	 * needs a full modeset, all other synced crtcs should be
+	 * forced a full modeset.
+	 */
+	for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) {
+		if (!new_crtc_state->hw.enable || needs_modeset(new_crtc_state))
+			continue;
+
+		if (intel_dp_mst_is_slave_trans(new_crtc_state)) {
+			enum transcoder master = new_crtc_state->mst_master_transcoder;
+
+			if (intel_cpu_transcoder_needs_modeset(state, master)) {
+				new_crtc_state->uapi.mode_changed = true;
+				new_crtc_state->update_pipe = false;
+			}
+		} else if (is_trans_port_sync_mode(new_crtc_state)) {
+			u8 trans = new_crtc_state->sync_mode_slaves_mask |
+				   BIT(new_crtc_state->master_transcoder);
 
-		if (needs_modeset(new_crtc_state))
+			intel_modeset_synced_crtcs(state, trans);
+		}
+	}
+
+	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
+					    new_crtc_state, i) {
+		if (needs_modeset(new_crtc_state)) {
 			any_ms = true;
+			continue;
+		}
+
+		if (!new_crtc_state->update_pipe)
+			continue;
+
+		intel_crtc_copy_fastset(old_crtc_state, new_crtc_state);
 	}
 
 	if (any_ms && !check_digital_port_conflicts(state)) {
@@ -14472,12 +14806,12 @@ static void intel_pipe_fastset(const struct intel_crtc_state *old_crtc_state,
 		skl_detach_scalers(new_crtc_state);
 
 		if (new_crtc_state->pch_pfit.enabled)
-			skylake_pfit_enable(new_crtc_state);
+			skl_pfit_enable(new_crtc_state);
 	} else if (HAS_PCH_SPLIT(dev_priv)) {
 		if (new_crtc_state->pch_pfit.enabled)
-			ironlake_pfit_enable(new_crtc_state);
+			ilk_pfit_enable(new_crtc_state);
 		else if (old_crtc_state->pch_pfit.enabled)
-			ironlake_pfit_disable(old_crtc_state);
+			ilk_pfit_disable(old_crtc_state);
 	}
 
 	if (INTEL_GEN(dev_priv) >= 11)
@@ -14619,7 +14953,7 @@ static void intel_commit_modeset_disables(struct intel_atomic_state *state)
 	u32 handled = 0;
 	int i;
 
-	/* Only disable port sync slaves */
+	/* Only disable port sync and MST slaves */
 	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
 					    new_crtc_state, i) {
 		if (!needs_modeset(new_crtc_state))
@@ -14633,7 +14967,8 @@ static void intel_commit_modeset_disables(struct intel_atomic_state *state)
 		 * slave CRTCs are disabled first and then master CRTC since
 		 * Slave vblanks are masked till Master Vblanks.
 		 */
-		if (!is_trans_port_sync_slave(old_crtc_state))
+		if (!is_trans_port_sync_slave(old_crtc_state) &&
+		    !intel_dp_mst_is_slave_trans(old_crtc_state))
 			continue;
 
 		intel_pre_plane_update(state, crtc);
@@ -14694,10 +15029,14 @@ static void intel_set_dp_tp_ctl_normal(struct intel_crtc *crtc,
 		if (conn_state->crtc == &crtc->base)
 			break;
 	}
-	intel_dp = enc_to_intel_dp(&intel_attached_encoder(conn)->base);
+	intel_dp = enc_to_intel_dp(intel_attached_encoder(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)
 {
@@ -14786,15 +15125,21 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 	u8 hw_enabled_slices = dev_priv->wm.skl_hw.ddb.enabled_slices;
 	u8 required_slices = state->wm_results.ddb.enabled_slices;
 	struct skl_ddb_entry entries[I915_MAX_PIPES] = {};
-	u8 dirty_pipes = 0;
+	const u8 num_pipes = INTEL_NUM_PIPES(dev_priv);
+	u8 update_pipes = 0, modeset_pipes = 0;
 	int i;
 
 	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+		if (!new_crtc_state->hw.active)
+			continue;
+
 		/* ignore allocations for crtc's that have been turned off. */
-		if (!needs_modeset(new_crtc_state) && new_crtc_state->hw.active)
+		if (!needs_modeset(new_crtc_state)) {
 			entries[i] = old_crtc_state->wm.skl.ddb;
-		if (new_crtc_state->hw.active)
-			dirty_pipes |= BIT(crtc->pipe);
+			update_pipes |= BIT(crtc->pipe);
+		} else {
+			modeset_pipes |= BIT(crtc->pipe);
+		}
 	}
 
 	/* If 2nd DBuf slice required, enable it here */
@@ -14804,38 +15149,29 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 	/*
 	 * Whenever the number of active pipes changes, we need to make sure we
 	 * update the pipes in the right order so that their ddb allocations
-	 * never overlap with eachother inbetween CRTC updates. Otherwise we'll
+	 * never overlap with each other between CRTC updates. Otherwise we'll
 	 * cause pipe underruns and other bad stuff.
+	 *
+	 * So first lets enable all pipes that do not need a fullmodeset as
+	 * those don't have any external dependency.
 	 */
-	while (dirty_pipes) {
+	while (update_pipes) {
 		for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
 						    new_crtc_state, i) {
 			enum pipe pipe = crtc->pipe;
-			bool modeset = needs_modeset(new_crtc_state);
 
-			if ((dirty_pipes & BIT(pipe)) == 0)
+			if ((update_pipes & BIT(pipe)) == 0)
 				continue;
 
 			if (skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
-							entries,
-							INTEL_NUM_PIPES(dev_priv), i))
+							entries, num_pipes, i))
 				continue;
 
 			entries[i] = new_crtc_state->wm.skl.ddb;
-			dirty_pipes &= ~BIT(pipe);
-
-			if (modeset && is_trans_port_sync_mode(new_crtc_state)) {
-				if (is_trans_port_sync_master(new_crtc_state))
-					intel_update_trans_port_sync_crtcs(crtc,
-									   state,
-									   old_crtc_state,
-									   new_crtc_state);
-				else
-					continue;
-			} else {
-				intel_update_crtc(crtc, state, old_crtc_state,
-						  new_crtc_state);
-			}
+			update_pipes &= ~BIT(pipe);
+
+			intel_update_crtc(crtc, state, old_crtc_state,
+					  new_crtc_state);
 
 			/*
 			 * If this is an already active pipe, it's DDB changed,
@@ -14845,11 +15181,72 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
 			 */
 			if (!skl_ddb_entry_equal(&new_crtc_state->wm.skl.ddb,
 						 &old_crtc_state->wm.skl.ddb) &&
-			    !modeset && dirty_pipes)
+			    (update_pipes | modeset_pipes))
 				intel_wait_for_vblank(dev_priv, pipe);
 		}
 	}
 
+	/*
+	 * 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) {
+		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))
+			continue;
+
+		WARN_ON(skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
+						    entries, num_pipes, i));
+
+		entries[i] = 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_update_trans_port_sync_crtcs(crtc, state,
+							   old_crtc_state,
+							   new_crtc_state);
+
+			slave_crtc = intel_get_slave_crtc(new_crtc_state);
+			/* TODO: update entries[] of slave */
+			modeset_pipes &= ~BIT(slave_crtc->pipe);
+
+		} else {
+			intel_update_crtc(crtc, state, old_crtc_state,
+					  new_crtc_state);
+		}
+	}
+
+	/*
+	 * 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
+	 */
+	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
+					    new_crtc_state, i) {
+		enum pipe pipe = crtc->pipe;
+
+		if ((modeset_pipes & BIT(pipe)) == 0)
+			continue;
+
+		WARN_ON(skl_ddb_allocation_overlaps(&new_crtc_state->wm.skl.ddb,
+						    entries, num_pipes, i));
+
+		entries[i] = new_crtc_state->wm.skl.ddb;
+		modeset_pipes &= ~BIT(pipe);
+
+		intel_update_crtc(crtc, state, old_crtc_state, new_crtc_state);
+	}
+
+	WARN_ON(modeset_pipes);
+
 	/* If 2nd DBuf slice is no more required disable it */
 	if (INTEL_GEN(dev_priv) >= 11 && required_slices < hw_enabled_slices)
 		icl_dbuf_slices_update(dev_priv, required_slices);
@@ -16586,8 +16983,11 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 	}
 
 	/* FIXME need to adjust LINOFF/TILEOFF accordingly. */
-	if (mode_cmd->offsets[0] != 0)
+	if (mode_cmd->offsets[0] != 0) {
+		DRM_DEBUG_KMS("plane 0 offset (0x%08x) must be 0\n",
+			      mode_cmd->offsets[0]);
 		goto err;
+	}
 
 	drm_helper_mode_fill_fb_struct(&dev_priv->drm, fb, mode_cmd);
 
@@ -16814,29 +17214,28 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv)
 	intel_init_cdclk_hooks(dev_priv);
 
 	if (INTEL_GEN(dev_priv) >= 9) {
-		dev_priv->display.get_pipe_config = haswell_get_pipe_config;
+		dev_priv->display.get_pipe_config = hsw_get_pipe_config;
 		dev_priv->display.get_initial_plane_config =
-			skylake_get_initial_plane_config;
-		dev_priv->display.crtc_compute_clock =
-			haswell_crtc_compute_clock;
-		dev_priv->display.crtc_enable = haswell_crtc_enable;
-		dev_priv->display.crtc_disable = haswell_crtc_disable;
+			skl_get_initial_plane_config;
+		dev_priv->display.crtc_compute_clock = hsw_crtc_compute_clock;
+		dev_priv->display.crtc_enable = hsw_crtc_enable;
+		dev_priv->display.crtc_disable = hsw_crtc_disable;
 	} else if (HAS_DDI(dev_priv)) {
-		dev_priv->display.get_pipe_config = haswell_get_pipe_config;
+		dev_priv->display.get_pipe_config = hsw_get_pipe_config;
 		dev_priv->display.get_initial_plane_config =
 			i9xx_get_initial_plane_config;
 		dev_priv->display.crtc_compute_clock =
-			haswell_crtc_compute_clock;
-		dev_priv->display.crtc_enable = haswell_crtc_enable;
-		dev_priv->display.crtc_disable = haswell_crtc_disable;
+			hsw_crtc_compute_clock;
+		dev_priv->display.crtc_enable = hsw_crtc_enable;
+		dev_priv->display.crtc_disable = hsw_crtc_disable;
 	} else if (HAS_PCH_SPLIT(dev_priv)) {
-		dev_priv->display.get_pipe_config = ironlake_get_pipe_config;
+		dev_priv->display.get_pipe_config = ilk_get_pipe_config;
 		dev_priv->display.get_initial_plane_config =
 			i9xx_get_initial_plane_config;
 		dev_priv->display.crtc_compute_clock =
-			ironlake_crtc_compute_clock;
-		dev_priv->display.crtc_enable = ironlake_crtc_enable;
-		dev_priv->display.crtc_disable = ironlake_crtc_disable;
+			ilk_crtc_compute_clock;
+		dev_priv->display.crtc_enable = ilk_crtc_enable;
+		dev_priv->display.crtc_disable = ilk_crtc_disable;
 	} else if (IS_CHERRYVIEW(dev_priv)) {
 		dev_priv->display.get_pipe_config = i9xx_get_pipe_config;
 		dev_priv->display.get_initial_plane_config =
@@ -16882,7 +17281,7 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv)
 	}
 
 	if (IS_GEN(dev_priv, 5)) {
-		dev_priv->display.fdi_link_train = ironlake_fdi_link_train;
+		dev_priv->display.fdi_link_train = ilk_fdi_link_train;
 	} else if (IS_GEN(dev_priv, 6)) {
 		dev_priv->display.fdi_link_train = gen6_fdi_link_train;
 	} else if (IS_IVYBRIDGE(dev_priv)) {
@@ -17827,8 +18226,11 @@ get_encoder_power_domains(struct drm_i915_private *dev_priv)
 
 static void intel_early_display_was(struct drm_i915_private *dev_priv)
 {
-	/* Display WA #1185 WaDisableDARBFClkGating:cnl,glk */
-	if (IS_CANNONLAKE(dev_priv) || IS_GEMINILAKE(dev_priv))
+	/*
+	 * Display WA #1185 WaDisableDARBFClkGating:cnl,glk,icl,ehl,tgl
+	 * Also known as Wa_14010480278.
+	 */
+	if (IS_GEN_RANGE(dev_priv, 10, 12) || IS_GEMINILAKE(dev_priv))
 		I915_WRITE(GEN9_CLKGATE_DIS_0, I915_READ(GEN9_CLKGATE_DIS_0) |
 			   DARBF_GATING_DIS);
 
@@ -17928,7 +18330,7 @@ intel_modeset_setup_hw_state(struct drm_device *dev,
 		/* 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));
+			intel_tc_port_sanitize(enc_to_dig_port(encoder));
 	}
 
 	get_encoder_power_domains(dev_priv);
@@ -18101,6 +18503,8 @@ void intel_modeset_driver_remove(struct drm_i915_private *i915)
 
 	intel_gmbus_teardown(i915);
 
+	intel_bw_cleanup(i915);
+
 	destroy_workqueue(i915->flip_wq);
 	destroy_workqueue(i915->modeset_wq);
 
diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h
index 0fef9263cddc..028aab728514 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -474,6 +474,7 @@ void intel_link_compute_m_n(u16 bpp, int nlanes,
 			    struct intel_link_m_n *m_n,
 			    bool constant_n, bool fec_enable);
 bool is_ccs_modifier(u64 modifier);
+int intel_main_to_aux_plane(const struct drm_framebuffer *fb, int main_plane);
 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);
@@ -521,7 +522,7 @@ int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
 u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc);
 void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state);
 
-int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp);
+int ilk_get_lanes_required(int target_clock, int link_bw, int bpp);
 void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
 			 struct intel_digital_port *dport,
 			 unsigned int expected_mask);
@@ -578,8 +579,8 @@ void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
 
 u16 skl_scaler_calc_phase(int sub, int scale, bool chroma_center);
 int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state);
-void skylake_scaler_disable(const struct intel_crtc_state *old_crtc_state);
-void ironlake_pfit_disable(const struct intel_crtc_state *old_crtc_state);
+void skl_scaler_disable(const struct intel_crtc_state *old_crtc_state);
+void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state);
 u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
 			const struct intel_plane_state *plane_state);
 u32 glk_plane_color_ctl_crtc(const struct intel_crtc_state *crtc_state);
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 679457156797..21561acfa3ac 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -514,7 +514,7 @@ static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
 		if (encoder->type == INTEL_OUTPUT_DP_MST)
 			continue;
 
-		dig_port = enc_to_dig_port(&encoder->base);
+		dig_port = enc_to_dig_port(encoder);
 		if (WARN_ON(!dig_port))
 			continue;
 
@@ -1664,8 +1664,8 @@ void chv_phy_powergate_lanes(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct i915_power_domains *power_domains = &dev_priv->power_domains;
-	enum dpio_phy phy = vlv_dport_to_phy(enc_to_dig_port(&encoder->base));
-	enum dpio_channel ch = vlv_dport_to_channel(enc_to_dig_port(&encoder->base));
+	enum dpio_phy phy = vlv_dport_to_phy(enc_to_dig_port(encoder));
+	enum dpio_channel ch = vlv_dport_to_channel(enc_to_dig_port(encoder));
 
 	mutex_lock(&power_domains->lock);
 
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 83ea04149b77..888ea8a170d1 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -90,8 +90,8 @@ struct intel_framebuffer {
 	/* for each plane in the normal GTT view */
 	struct {
 		unsigned int x, y;
-	} normal[2];
-	/* for each plane in the rotated GTT view */
+	} normal[4];
+	/* for each plane in the rotated GTT view for no-CCS formats */
 	struct {
 		unsigned int x, y;
 		unsigned int pitch; /* pixels */
@@ -555,7 +555,7 @@ struct intel_plane_state {
 		 */
 		u32 stride;
 		int x, y;
-	} color_plane[2];
+	} color_plane[4];
 
 	/* plane control register */
 	u32 ctl;
@@ -1054,6 +1054,9 @@ struct intel_crtc_state {
 
 	/* Bitmask to indicate slaves attached */
 	u8 sync_mode_slaves_mask;
+
+	/* Only valid on TGL+ */
+	enum transcoder mst_master_transcoder;
 };
 
 struct intel_crtc {
@@ -1435,9 +1438,9 @@ struct intel_load_detect_pipe {
 };
 
 static inline struct intel_encoder *
-intel_attached_encoder(struct drm_connector *connector)
+intel_attached_encoder(struct intel_connector *connector)
 {
-	return to_intel_connector(connector)->encoder;
+	return connector->encoder;
 }
 
 static inline bool intel_encoder_is_dig_port(struct intel_encoder *encoder)
@@ -1454,12 +1457,12 @@ static inline bool intel_encoder_is_dig_port(struct intel_encoder *encoder)
 }
 
 static inline struct intel_digital_port *
-enc_to_dig_port(struct drm_encoder *encoder)
+enc_to_dig_port(struct intel_encoder *encoder)
 {
-	struct intel_encoder *intel_encoder = to_intel_encoder(encoder);
+	struct intel_encoder *intel_encoder = encoder;
 
 	if (intel_encoder_is_dig_port(intel_encoder))
-		return container_of(encoder, struct intel_digital_port,
+		return container_of(&encoder->base, struct intel_digital_port,
 				    base.base);
 	else
 		return NULL;
@@ -1468,16 +1471,17 @@ enc_to_dig_port(struct drm_encoder *encoder)
 static inline struct intel_digital_port *
 conn_to_dig_port(struct intel_connector *connector)
 {
-	return enc_to_dig_port(&intel_attached_encoder(&connector->base)->base);
+	return enc_to_dig_port(intel_attached_encoder(connector));
 }
 
 static inline struct intel_dp_mst_encoder *
-enc_to_mst(struct drm_encoder *encoder)
+enc_to_mst(struct intel_encoder *encoder)
 {
-	return container_of(encoder, struct intel_dp_mst_encoder, base.base);
+	return container_of(&encoder->base, struct intel_dp_mst_encoder,
+			    base.base);
 }
 
-static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder)
+static inline struct intel_dp *enc_to_intel_dp(struct intel_encoder *encoder)
 {
 	return &enc_to_dig_port(encoder)->dp;
 }
@@ -1490,14 +1494,14 @@ static inline bool intel_encoder_is_dp(struct intel_encoder *encoder)
 		return true;
 	case INTEL_OUTPUT_DDI:
 		/* Skip pure HDMI/DVI DDI encoders */
-		return i915_mmio_reg_valid(enc_to_intel_dp(&encoder->base)->output_reg);
+		return i915_mmio_reg_valid(enc_to_intel_dp(encoder)->output_reg);
 	default:
 		return false;
 	}
 }
 
 static inline struct intel_lspcon *
-enc_to_intel_lspcon(struct drm_encoder *encoder)
+enc_to_intel_lspcon(struct intel_encoder *encoder)
 {
 	return &enc_to_dig_port(encoder)->lspcon;
 }
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 2f31d226c6eb..c7424e2a04a3 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -146,9 +146,9 @@ bool intel_dp_is_edp(struct intel_dp *intel_dp)
 	return intel_dig_port->base.type == INTEL_OUTPUT_EDP;
 }
 
-static struct intel_dp *intel_attached_dp(struct drm_connector *connector)
+static struct intel_dp *intel_attached_dp(struct intel_connector *connector)
 {
-	return enc_to_intel_dp(&intel_attached_encoder(connector)->base);
+	return enc_to_intel_dp(intel_attached_encoder(connector));
 }
 
 static void intel_dp_link_down(struct intel_encoder *encoder,
@@ -614,7 +614,7 @@ static enum drm_mode_status
 intel_dp_mode_valid(struct drm_connector *connector,
 		    struct drm_display_mode *mode)
 {
-	struct intel_dp *intel_dp = intel_attached_dp(connector);
+	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
 	struct intel_connector *intel_connector = to_intel_connector(connector);
 	struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
@@ -834,7 +834,7 @@ static enum pipe vlv_find_free_pps(struct drm_i915_private *dev_priv)
 	 * Pick one that's not used by other ports.
 	 */
 	for_each_intel_dp(&dev_priv->drm, encoder) {
-		struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 		if (encoder->type == INTEL_OUTPUT_EDP) {
 			WARN_ON(intel_dp->active_pipe != INVALID_PIPE &&
@@ -1031,7 +1031,7 @@ void intel_power_sequencer_reset(struct drm_i915_private *dev_priv)
 	 */
 
 	for_each_intel_dp(&dev_priv->drm, encoder) {
-		struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 		WARN_ON(intel_dp->active_pipe != INVALID_PIPE);
 
@@ -2034,7 +2034,7 @@ static int intel_dp_dsc_compute_bpp(struct intel_dp *intel_dp, u8 dsc_max_bpc)
 static int intel_dp_dsc_compute_params(struct intel_encoder *encoder,
 				       struct intel_crtc_state *crtc_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
 	u8 line_buf_depth;
 	int ret;
@@ -2205,7 +2205,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
 			     struct drm_connector_state *conn_state)
 {
 	struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct link_config_limits limits;
 	int common_len;
 	int ret;
@@ -2366,8 +2366,8 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
-	struct intel_lspcon *lspcon = enc_to_intel_lspcon(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+	struct intel_lspcon *lspcon = enc_to_intel_lspcon(encoder);
 	enum port port = encoder->port;
 	struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	struct intel_connector *intel_connector = intel_dp->attached_connector;
@@ -2482,7 +2482,7 @@ static void intel_dp_prepare(struct intel_encoder *encoder,
 			     const struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	enum port port = encoder->port;
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
@@ -2509,7 +2509,7 @@ static void intel_dp_prepare(struct intel_encoder *encoder,
 	 *
 	 * CPT PCH is quite different, having many bits moved
 	 * to the TRANS_DP_CTL register instead. That
-	 * configuration happens (oddly) in ironlake_pch_enable
+	 * configuration happens (oddly) in ilk_pch_enable
 	 */
 
 	/* Preserve the BIOS-computed detected bit. This is
@@ -2653,7 +2653,7 @@ static void edp_wait_backlight_off(struct intel_dp *intel_dp)
  * is locked
  */
 
-static  u32 ironlake_get_pp_control(struct intel_dp *intel_dp)
+static  u32 ilk_get_pp_control(struct intel_dp *intel_dp)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	u32 control;
@@ -2703,7 +2703,7 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp)
 	if (!edp_have_panel_power(intel_dp))
 		wait_panel_power_cycle(intel_dp);
 
-	pp = ironlake_get_pp_control(intel_dp);
+	pp = ilk_get_pp_control(intel_dp);
 	pp |= EDP_FORCE_VDD;
 
 	pp_stat_reg = _pp_stat_reg(intel_dp);
@@ -2768,7 +2768,7 @@ static void edp_panel_vdd_off_sync(struct intel_dp *intel_dp)
 		      intel_dig_port->base.base.base.id,
 		      intel_dig_port->base.base.name);
 
-	pp = ironlake_get_pp_control(intel_dp);
+	pp = ilk_get_pp_control(intel_dp);
 	pp &= ~EDP_FORCE_VDD;
 
 	pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
@@ -2864,7 +2864,7 @@ static void edp_panel_on(struct intel_dp *intel_dp)
 	wait_panel_power_cycle(intel_dp);
 
 	pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
-	pp = ironlake_get_pp_control(intel_dp);
+	pp = ilk_get_pp_control(intel_dp);
 	if (IS_GEN(dev_priv, 5)) {
 		/* ILK workaround: disable reset around power sequence */
 		pp &= ~PANEL_POWER_RESET;
@@ -2919,7 +2919,7 @@ static void edp_panel_off(struct intel_dp *intel_dp)
 	WARN(!intel_dp->want_panel_vdd, "Need [ENCODER:%d:%s] VDD to turn off panel\n",
 	     dig_port->base.base.base.id, dig_port->base.base.name);
 
-	pp = ironlake_get_pp_control(intel_dp);
+	pp = ilk_get_pp_control(intel_dp);
 	/* We need to switch off panel power _and_ force vdd, for otherwise some
 	 * panels get very unhappy and cease to work. */
 	pp &= ~(PANEL_POWER_ON | PANEL_POWER_RESET | EDP_FORCE_VDD |
@@ -2968,7 +2968,7 @@ static void _intel_edp_backlight_on(struct intel_dp *intel_dp)
 		i915_reg_t pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
 		u32 pp;
 
-		pp = ironlake_get_pp_control(intel_dp);
+		pp = ilk_get_pp_control(intel_dp);
 		pp |= EDP_BLC_ENABLE;
 
 		I915_WRITE(pp_ctrl_reg, pp);
@@ -2980,7 +2980,7 @@ static void _intel_edp_backlight_on(struct intel_dp *intel_dp)
 void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state,
 			    const struct drm_connector_state *conn_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(conn_state->best_encoder);
+	struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(conn_state->best_encoder));
 
 	if (!intel_dp_is_edp(intel_dp))
 		return;
@@ -3004,7 +3004,7 @@ static void _intel_edp_backlight_off(struct intel_dp *intel_dp)
 		i915_reg_t pp_ctrl_reg = _pp_ctrl_reg(intel_dp);
 		u32 pp;
 
-		pp = ironlake_get_pp_control(intel_dp);
+		pp = ilk_get_pp_control(intel_dp);
 		pp &= ~EDP_BLC_ENABLE;
 
 		I915_WRITE(pp_ctrl_reg, pp);
@@ -3018,7 +3018,7 @@ static void _intel_edp_backlight_off(struct intel_dp *intel_dp)
 /* Disable backlight PP control and backlight PWM. */
 void intel_edp_backlight_off(const struct drm_connector_state *old_conn_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(old_conn_state->best_encoder);
+	struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(old_conn_state->best_encoder));
 
 	if (!intel_dp_is_edp(intel_dp))
 		return;
@@ -3036,13 +3036,13 @@ void intel_edp_backlight_off(const struct drm_connector_state *old_conn_state)
 static void intel_edp_backlight_power(struct intel_connector *connector,
 				      bool enable)
 {
-	struct intel_dp *intel_dp = intel_attached_dp(&connector->base);
+	struct intel_dp *intel_dp = intel_attached_dp(connector);
 	intel_wakeref_t wakeref;
 	bool is_enabled;
 
 	is_enabled = false;
 	with_pps_lock(intel_dp, wakeref)
-		is_enabled = ironlake_get_pp_control(intel_dp) & EDP_BLC_ENABLE;
+		is_enabled = ilk_get_pp_control(intel_dp) & EDP_BLC_ENABLE;
 	if (is_enabled == enable)
 		return;
 
@@ -3079,13 +3079,13 @@ static void assert_edp_pll(struct drm_i915_private *dev_priv, bool state)
 #define assert_edp_pll_enabled(d) assert_edp_pll((d), true)
 #define assert_edp_pll_disabled(d) assert_edp_pll((d), false)
 
-static void ironlake_edp_pll_on(struct intel_dp *intel_dp,
-				const struct intel_crtc_state *pipe_config)
+static void ilk_edp_pll_on(struct intel_dp *intel_dp,
+			   const struct intel_crtc_state *pipe_config)
 {
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 
-	assert_pipe_disabled(dev_priv, crtc->pipe);
+	assert_pipe_disabled(dev_priv, pipe_config->cpu_transcoder);
 	assert_dp_port_disabled(intel_dp);
 	assert_edp_pll_disabled(dev_priv);
 
@@ -3119,13 +3119,13 @@ static void ironlake_edp_pll_on(struct intel_dp *intel_dp,
 	udelay(200);
 }
 
-static void ironlake_edp_pll_off(struct intel_dp *intel_dp,
-				 const struct intel_crtc_state *old_crtc_state)
+static void ilk_edp_pll_off(struct intel_dp *intel_dp,
+			    const struct intel_crtc_state *old_crtc_state)
 {
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 
-	assert_pipe_disabled(dev_priv, crtc->pipe);
+	assert_pipe_disabled(dev_priv, old_crtc_state->cpu_transcoder);
 	assert_dp_port_disabled(intel_dp);
 	assert_edp_pll_enabled(dev_priv);
 
@@ -3258,7 +3258,7 @@ static bool intel_dp_get_hw_state(struct intel_encoder *encoder,
 				  enum pipe *pipe)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	intel_wakeref_t wakeref;
 	bool ret;
 
@@ -3279,7 +3279,7 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
 				struct intel_crtc_state *pipe_config)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	u32 tmp, flags = 0;
 	enum port port = encoder->port;
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
@@ -3363,7 +3363,7 @@ static void intel_disable_dp(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 = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 	intel_dp->link_trained = false;
 
@@ -3397,7 +3397,7 @@ static void g4x_post_disable_dp(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 = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	enum port port = encoder->port;
 
 	/*
@@ -3410,7 +3410,7 @@ static void g4x_post_disable_dp(struct intel_encoder *encoder,
 
 	/* Only ilk+ has port A */
 	if (port == PORT_A)
-		ironlake_edp_pll_off(intel_dp, old_crtc_state);
+		ilk_edp_pll_off(intel_dp, old_crtc_state);
 }
 
 static void vlv_post_disable_dp(struct intel_encoder *encoder,
@@ -3548,7 +3548,7 @@ static void intel_enable_dp(struct intel_encoder *encoder,
 			    const struct drm_connector_state *conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
 	u32 dp_reg = I915_READ(intel_dp->output_reg);
 	enum pipe pipe = crtc->pipe;
@@ -3608,14 +3608,14 @@ static void g4x_pre_enable_dp(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *pipe_config,
 			      const struct drm_connector_state *conn_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	enum port port = encoder->port;
 
 	intel_dp_prepare(encoder, pipe_config);
 
 	/* Only ilk+ has port A */
 	if (port == PORT_A)
-		ironlake_edp_pll_on(intel_dp, pipe_config);
+		ilk_edp_pll_on(intel_dp, pipe_config);
 }
 
 static void vlv_detach_power_sequencer(struct intel_dp *intel_dp)
@@ -3658,7 +3658,7 @@ static void vlv_steal_power_sequencer(struct drm_i915_private *dev_priv,
 	lockdep_assert_held(&dev_priv->pps_mutex);
 
 	for_each_intel_dp(&dev_priv->drm, encoder) {
-		struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
 		WARN(intel_dp->active_pipe == pipe,
 		     "stealing pipe %c power sequencer from active [ENCODER:%d:%s]\n",
@@ -3681,7 +3681,7 @@ static void vlv_init_panel_power_sequencer(struct intel_encoder *encoder,
 					   const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 
 	lockdep_assert_held(&dev_priv->pps_mutex);
@@ -4203,7 +4203,7 @@ intel_dp_link_down(struct intel_encoder *encoder,
 		   const struct intel_crtc_state *old_crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	enum port port = encoder->port;
 	u32 DP = intel_dp->DP;
@@ -4903,7 +4903,7 @@ static u8 intel_dp_autotest_video_pattern(struct intel_dp *intel_dp)
 	intel_dp->compliance.test_data.hdisplay = be16_to_cpu(h_width);
 	intel_dp->compliance.test_data.vdisplay = be16_to_cpu(v_height);
 	/* Set test active flag here so userspace doesn't interrupt things */
-	intel_dp->compliance.test_active = 1;
+	intel_dp->compliance.test_active = true;
 
 	return DP_TEST_ACK;
 }
@@ -4947,7 +4947,7 @@ static u8 intel_dp_autotest_edid(struct intel_dp *intel_dp)
 	}
 
 	/* Set test active flag here so userspace doesn't interrupt things */
-	intel_dp->compliance.test_active = 1;
+	intel_dp->compliance.test_active = true;
 
 	return test_result;
 }
@@ -5096,7 +5096,7 @@ int intel_dp_retrain_link(struct intel_encoder *encoder,
 			  struct drm_modeset_acquire_ctx *ctx)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct intel_connector *connector = intel_dp->attached_connector;
 	struct drm_connector_state *conn_state;
 	struct intel_crtc_state *crtc_state;
@@ -5536,7 +5536,7 @@ static bool intel_combo_phy_connected(struct drm_i915_private *dev_priv,
 static bool icp_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);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 
 	if (intel_phy_is_combo(dev_priv, phy))
@@ -5651,7 +5651,7 @@ intel_dp_detect(struct drm_connector *connector,
 		bool force)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
-	struct intel_dp *intel_dp = intel_attached_dp(connector);
+	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
 	struct intel_encoder *encoder = &dig_port->base;
 	enum drm_connector_status status;
@@ -5755,7 +5755,7 @@ out:
 static void
 intel_dp_force(struct drm_connector *connector)
 {
-	struct intel_dp *intel_dp = intel_attached_dp(connector);
+	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
 	struct intel_encoder *intel_encoder = &dig_port->base;
 	struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
@@ -5790,7 +5790,7 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 	}
 
 	/* if eDP has no EDID, fall back to fixed mode */
-	if (intel_dp_is_edp(intel_attached_dp(connector)) &&
+	if (intel_dp_is_edp(intel_attached_dp(to_intel_connector(connector))) &&
 	    intel_connector->panel.fixed_mode) {
 		struct drm_display_mode *mode;
 
@@ -5808,7 +5808,7 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 static int
 intel_dp_connector_register(struct drm_connector *connector)
 {
-	struct intel_dp *intel_dp = intel_attached_dp(connector);
+	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
 	int ret;
 
 	ret = intel_connector_register(connector);
@@ -5830,7 +5830,7 @@ intel_dp_connector_register(struct drm_connector *connector)
 static void
 intel_dp_connector_unregister(struct drm_connector *connector)
 {
-	struct intel_dp *intel_dp = intel_attached_dp(connector);
+	struct intel_dp *intel_dp = intel_attached_dp(to_intel_connector(connector));
 
 	drm_dp_cec_unregister_connector(&intel_dp->aux);
 	drm_dp_aux_unregister(&intel_dp->aux);
@@ -5839,7 +5839,7 @@ intel_dp_connector_unregister(struct drm_connector *connector)
 
 void intel_dp_encoder_flush_work(struct drm_encoder *encoder)
 {
-	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(to_intel_encoder(encoder));
 	struct intel_dp *intel_dp = &intel_dig_port->dp;
 
 	intel_dp_mst_encoder_cleanup(intel_dig_port);
@@ -5868,12 +5868,12 @@ static void intel_dp_encoder_destroy(struct drm_encoder *encoder)
 	intel_dp_encoder_flush_work(encoder);
 
 	drm_encoder_cleanup(encoder);
-	kfree(enc_to_dig_port(encoder));
+	kfree(enc_to_dig_port(to_intel_encoder(encoder)));
 }
 
 void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&intel_encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(intel_encoder);
 	intel_wakeref_t wakeref;
 
 	if (!intel_dp_is_edp(intel_dp))
@@ -5904,7 +5904,7 @@ static
 int intel_dp_hdcp_write_an_aksv(struct intel_digital_port *intel_dig_port,
 				u8 *an)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&intel_dig_port->base.base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(&intel_dig_port->base.base));
 	static const struct drm_dp_aux_msg msg = {
 		.request = DP_AUX_NATIVE_WRITE,
 		.address = DP_AUX_HDCP_AKSV,
@@ -6514,7 +6514,7 @@ static enum pipe vlv_active_pipe(struct intel_dp *intel_dp)
 void intel_dp_encoder_reset(struct drm_encoder *encoder)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+	struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder));
 	struct intel_lspcon *lspcon = dp_to_lspcon(intel_dp);
 	intel_wakeref_t wakeref;
 
@@ -6693,7 +6693,7 @@ intel_pps_readout_hw_state(struct intel_dp *intel_dp, struct edp_power_seq *seq)
 
 	intel_pps_get_registers(intel_dp, &regs);
 
-	pp_ctl = ironlake_get_pp_control(intel_dp);
+	pp_ctl = ilk_get_pp_control(intel_dp);
 
 	/* Ensure PPS is unlocked */
 	if (!HAS_DDI(dev_priv))
@@ -6863,7 +6863,7 @@ intel_dp_init_panel_power_sequencer_registers(struct intel_dp *intel_dp,
 	 * soon as the new power sequencer gets initialized.
 	 */
 	if (force_disable_vdd) {
-		u32 pp = ironlake_get_pp_control(intel_dp);
+		u32 pp = ilk_get_pp_control(intel_dp);
 
 		WARN(pp & PANEL_POWER_ON, "Panel power already on\n");
 
@@ -7660,7 +7660,7 @@ void intel_dp_mst_suspend(struct drm_i915_private *dev_priv)
 		if (encoder->type != INTEL_OUTPUT_DDI)
 			continue;
 
-		intel_dp = enc_to_intel_dp(&encoder->base);
+		intel_dp = enc_to_intel_dp(encoder);
 
 		if (!intel_dp->can_mst)
 			continue;
@@ -7681,7 +7681,7 @@ void intel_dp_mst_resume(struct drm_i915_private *dev_priv)
 		if (encoder->type != INTEL_OUTPUT_DDI)
 			continue;
 
-		intel_dp = enc_to_intel_dp(&encoder->base);
+		intel_dp = enc_to_intel_dp(encoder);
 
 		if (!intel_dp->can_mst)
 			continue;
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 020422da2ae2..7c653f8c307f 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
@@ -57,7 +57,7 @@ static void set_aux_backlight_enable(struct intel_dp *intel_dp, bool enable)
  */
 static u32 intel_dp_aux_get_backlight(struct intel_connector *connector)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
 	u8 read_val[2] = { 0x0 };
 	u16 level = 0;
 
@@ -82,7 +82,7 @@ static void
 intel_dp_aux_set_backlight(const struct drm_connector_state *conn_state, u32 level)
 {
 	struct intel_connector *connector = to_intel_connector(conn_state->connector);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
 	u8 vals[2] = { 0x0 };
 
 	vals[0] = level;
@@ -110,7 +110,7 @@ intel_dp_aux_set_backlight(const struct drm_connector_state *conn_state, u32 lev
 static bool intel_dp_aux_set_pwm_freq(struct intel_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
 	int freq, fxp, fxp_min, fxp_max, fxp_actual, f = 1;
 	u8 pn, pn_min, pn_max;
 
@@ -178,7 +178,7 @@ static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_st
 					  const struct drm_connector_state *conn_state)
 {
 	struct intel_connector *connector = to_intel_connector(conn_state->connector);
-	struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
 	u8 dpcd_buf, new_dpcd_buf, edp_backlight_mode;
 
 	if (drm_dp_dpcd_readb(&intel_dp->aux,
@@ -222,13 +222,14 @@ static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_st
 
 static void intel_dp_aux_disable_backlight(const struct drm_connector_state *old_conn_state)
 {
-	set_aux_backlight_enable(enc_to_intel_dp(old_conn_state->best_encoder), false);
+	set_aux_backlight_enable(enc_to_intel_dp(to_intel_encoder(old_conn_state->best_encoder)),
+				 false);
 }
 
 static int intel_dp_aux_setup_backlight(struct intel_connector *connector,
 					enum pipe pipe)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
 	struct intel_panel *panel = &connector->panel;
 
 	if (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT)
@@ -247,7 +248,7 @@ static int intel_dp_aux_setup_backlight(struct intel_connector *connector,
 static bool
 intel_dp_aux_display_control_capable(struct intel_connector *connector)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&connector->encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
 
 	/* Check the eDP Display control capabilities registers to determine if
 	 * the panel can support backlight control over the aux channel
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c
index 53bc14d0e953..cba68c5a80fa 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c
@@ -43,7 +43,7 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
 					    struct link_config_limits *limits)
 {
 	struct drm_atomic_state *state = crtc_state->uapi.state;
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_dp *intel_dp = &intel_mst->primary->dp;
 	struct intel_connector *connector =
 		to_intel_connector(conn_state->connector);
@@ -88,12 +88,58 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
 	return 0;
 }
 
+/*
+ * Iterate over all connectors and return the smallest transcoder in the MST
+ * stream
+ */
+static enum transcoder
+intel_dp_mst_master_trans_compute(struct intel_atomic_state *state,
+				  struct intel_dp *mst_port)
+{
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct intel_digital_connector_state *conn_state;
+	struct intel_connector *connector;
+	enum pipe ret = I915_MAX_PIPES;
+	int i;
+
+	if (INTEL_GEN(dev_priv) < 12)
+		return INVALID_TRANSCODER;
+
+	for_each_new_intel_connector_in_state(state, connector, conn_state, i) {
+		struct intel_crtc_state *crtc_state;
+		struct intel_crtc *crtc;
+
+		if (connector->mst_port != mst_port || !conn_state->base.crtc)
+			continue;
+
+		crtc = to_intel_crtc(conn_state->base.crtc);
+		crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
+		if (!crtc_state->uapi.active)
+			continue;
+
+		/*
+		 * Using crtc->pipe because crtc_state->cpu_transcoder is
+		 * computed, so others CRTCs could have non-computed
+		 * cpu_transcoder
+		 */
+		if (crtc->pipe < ret)
+			ret = crtc->pipe;
+	}
+
+	if (ret == I915_MAX_PIPES)
+		return INVALID_TRANSCODER;
+
+	/* Simple cast works because TGL don't have a eDP transcoder */
+	return (enum transcoder)ret;
+}
+
 static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
 				       struct intel_crtc_state *pipe_config,
 				       struct drm_connector_state *conn_state)
 {
+	struct intel_atomic_state *state = to_intel_atomic_state(conn_state->state);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_dp *intel_dp = &intel_mst->primary->dp;
 	struct intel_connector *connector =
 		to_intel_connector(conn_state->connector);
@@ -155,24 +201,91 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
 
 	intel_ddi_compute_min_voltage_level(dev_priv, pipe_config);
 
+	pipe_config->mst_master_transcoder = intel_dp_mst_master_trans_compute(state, intel_dp);
+
+	return 0;
+}
+
+/*
+ * If one of the connectors in a MST stream needs a modeset, mark all CRTCs
+ * that shares the same MST stream as mode changed,
+ * intel_modeset_pipe_config()+intel_crtc_check_fastset() will take care to do
+ * a fastset when possible.
+ */
+static int
+intel_dp_mst_atomic_master_trans_check(struct intel_connector *connector,
+				       struct intel_atomic_state *state)
+{
+	struct drm_i915_private *dev_priv = to_i915(state->base.dev);
+	struct drm_connector_list_iter connector_list_iter;
+	struct intel_connector *connector_iter;
+
+	if (INTEL_GEN(dev_priv) < 12)
+		return  0;
+
+	if (!intel_connector_needs_modeset(state, &connector->base))
+		return 0;
+
+	drm_connector_list_iter_begin(&dev_priv->drm, &connector_list_iter);
+	for_each_intel_connector_iter(connector_iter, &connector_list_iter) {
+		struct intel_digital_connector_state *conn_iter_state;
+		struct intel_crtc_state *crtc_state;
+		struct intel_crtc *crtc;
+		int ret;
+
+		if (connector_iter->mst_port != connector->mst_port ||
+		    connector_iter == connector)
+			continue;
+
+		conn_iter_state = intel_atomic_get_digital_connector_state(state,
+									   connector_iter);
+		if (IS_ERR(conn_iter_state)) {
+			drm_connector_list_iter_end(&connector_list_iter);
+			return PTR_ERR(conn_iter_state);
+		}
+
+		if (!conn_iter_state->base.crtc)
+			continue;
+
+		crtc = to_intel_crtc(conn_iter_state->base.crtc);
+		crtc_state = intel_atomic_get_crtc_state(&state->base, crtc);
+		if (IS_ERR(crtc_state)) {
+			drm_connector_list_iter_end(&connector_list_iter);
+			return PTR_ERR(crtc_state);
+		}
+
+		ret = drm_atomic_add_affected_planes(&state->base, &crtc->base);
+		if (ret) {
+			drm_connector_list_iter_end(&connector_list_iter);
+			return ret;
+		}
+		crtc_state->uapi.mode_changed = true;
+	}
+	drm_connector_list_iter_end(&connector_list_iter);
+
 	return 0;
 }
 
 static int
 intel_dp_mst_atomic_check(struct drm_connector *connector,
-			  struct drm_atomic_state *state)
+			  struct drm_atomic_state *_state)
 {
+	struct intel_atomic_state *state = to_intel_atomic_state(_state);
 	struct drm_connector_state *new_conn_state =
-		drm_atomic_get_new_connector_state(state, connector);
+		drm_atomic_get_new_connector_state(&state->base, connector);
 	struct drm_connector_state *old_conn_state =
-		drm_atomic_get_old_connector_state(state, connector);
+		drm_atomic_get_old_connector_state(&state->base, connector);
 	struct intel_connector *intel_connector =
 		to_intel_connector(connector);
 	struct drm_crtc *new_crtc = new_conn_state->crtc;
 	struct drm_dp_mst_topology_mgr *mgr;
 	int ret;
 
-	ret = intel_digital_connector_atomic_check(connector, state);
+	ret = intel_digital_connector_atomic_check(connector, &state->base);
+	if (ret)
+		return ret;
+
+	ret = intel_dp_mst_atomic_master_trans_check(intel_connector, state);
 	if (ret)
 		return ret;
 
@@ -183,12 +296,9 @@ intel_dp_mst_atomic_check(struct drm_connector *connector,
 	 * connector
 	 */
 	if (new_crtc) {
-		struct intel_atomic_state *intel_state =
-			to_intel_atomic_state(state);
 		struct intel_crtc *intel_crtc = to_intel_crtc(new_crtc);
 		struct intel_crtc_state *crtc_state =
-			intel_atomic_get_new_crtc_state(intel_state,
-							intel_crtc);
+			intel_atomic_get_new_crtc_state(state, intel_crtc);
 
 		if (!crtc_state ||
 		    !drm_atomic_crtc_needs_modeset(&crtc_state->uapi) ||
@@ -196,8 +306,8 @@ intel_dp_mst_atomic_check(struct drm_connector *connector,
 			return 0;
 	}
 
-	mgr = &enc_to_mst(old_conn_state->best_encoder)->primary->dp.mst_mgr;
-	ret = drm_dp_atomic_release_vcpi_slots(state, mgr,
+	mgr = &enc_to_mst(to_intel_encoder(old_conn_state->best_encoder))->primary->dp.mst_mgr;
+	ret = drm_dp_atomic_release_vcpi_slots(&state->base, mgr,
 					       intel_connector->port);
 
 	return ret;
@@ -207,7 +317,7 @@ static void intel_mst_disable_dp(struct intel_encoder *encoder,
 				 const struct intel_crtc_state *old_crtc_state,
 				 const struct drm_connector_state *old_conn_state)
 {
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_digital_port *intel_dig_port = intel_mst->primary;
 	struct intel_dp *intel_dp = &intel_dig_port->dp;
 	struct intel_connector *connector =
@@ -231,29 +341,51 @@ static void intel_mst_post_disable_dp(struct intel_encoder *encoder,
 				      const struct intel_crtc_state *old_crtc_state,
 				      const struct drm_connector_state *old_conn_state)
 {
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_digital_port *intel_dig_port = intel_mst->primary;
 	struct intel_dp *intel_dp = &intel_dig_port->dp;
 	struct intel_connector *connector =
 		to_intel_connector(old_conn_state->connector);
 	struct drm_i915_private *dev_priv = to_i915(connector->base.dev);
 	bool last_mst_stream;
+	u32 val;
 
 	intel_dp->active_mst_links--;
 	last_mst_stream = intel_dp->active_mst_links == 0;
+	WARN_ON(INTEL_GEN(dev_priv) >= 12 && last_mst_stream &&
+		!intel_dp_mst_is_master_trans(old_crtc_state));
 
 	intel_crtc_vblank_off(old_crtc_state);
 
 	intel_disable_pipe(old_crtc_state);
 
+	drm_dp_update_payload_part2(&intel_dp->mst_mgr);
+
+	val = I915_READ(TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder));
+	val &= ~TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
+	I915_WRITE(TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder), val);
+
+	if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status,
+				  DP_TP_STATUS_ACT_SENT, 1))
+		DRM_ERROR("Timed out waiting for ACT sent when disabling\n");
+	drm_dp_check_act_status(&intel_dp->mst_mgr);
+
+	drm_dp_mst_deallocate_vcpi(&intel_dp->mst_mgr, connector->port);
+
 	intel_ddi_disable_transcoder_func(old_crtc_state);
 
 	if (INTEL_GEN(dev_priv) >= 9)
-		skylake_scaler_disable(old_crtc_state);
+		skl_scaler_disable(old_crtc_state);
 	else
-		ironlake_pfit_disable(old_crtc_state);
+		ilk_pfit_disable(old_crtc_state);
 
 	/*
+	 * Power down mst path before disabling the port, otherwise we end
+	 * up getting interrupts from the sink upon detecting link loss.
+	 */
+	drm_dp_send_power_updown_phy(&intel_dp->mst_mgr, connector->port,
+				     false);
+	/*
 	 * From TGL spec: "If multi-stream slave transcoder: Configure
 	 * Transcoder Clock Select to direct no clock to the transcoder"
 	 *
@@ -263,19 +395,6 @@ static void intel_mst_post_disable_dp(struct intel_encoder *encoder,
 	if (INTEL_GEN(dev_priv) < 12 || !last_mst_stream)
 		intel_ddi_disable_pipe_clock(old_crtc_state);
 
-	/* this can fail */
-	drm_dp_check_act_status(&intel_dp->mst_mgr);
-	/* and this can also fail */
-	drm_dp_update_payload_part2(&intel_dp->mst_mgr);
-
-	drm_dp_mst_deallocate_vcpi(&intel_dp->mst_mgr, connector->port);
-
-	/*
-	 * Power down mst path before disabling the port, otherwise we end
-	 * up getting interrupts from the sink upon detecting link loss.
-	 */
-	drm_dp_send_power_updown_phy(&intel_dp->mst_mgr, connector->port,
-				     false);
 
 	intel_mst->connector = NULL;
 	if (last_mst_stream)
@@ -289,7 +408,7 @@ static void intel_mst_pre_pll_enable_dp(struct intel_encoder *encoder,
 					const struct intel_crtc_state *pipe_config,
 					const struct drm_connector_state *conn_state)
 {
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_digital_port *intel_dig_port = intel_mst->primary;
 	struct intel_dp *intel_dp = &intel_dig_port->dp;
 
@@ -302,7 +421,7 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
 				    const struct intel_crtc_state *pipe_config,
 				    const struct drm_connector_state *conn_state)
 {
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_digital_port *intel_dig_port = intel_mst->primary;
 	struct intel_dp *intel_dp = &intel_dig_port->dp;
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -318,6 +437,8 @@ static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
 	connector->encoder = encoder;
 	intel_mst->connector = connector;
 	first_mst_stream = intel_dp->active_mst_links == 0;
+	WARN_ON(INTEL_GEN(dev_priv) >= 12 && first_mst_stream &&
+		!intel_dp_mst_is_master_trans(pipe_config));
 
 	DRM_DEBUG_KMS("active links %d\n", intel_dp->active_mst_links);
 
@@ -360,7 +481,7 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder,
 				const struct intel_crtc_state *pipe_config,
 				const struct drm_connector_state *conn_state)
 {
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_digital_port *intel_dig_port = intel_mst->primary;
 	struct intel_dp *intel_dp = &intel_dig_port->dp;
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -381,7 +502,7 @@ static void intel_mst_enable_dp(struct intel_encoder *encoder,
 static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder,
 				      enum pipe *pipe)
 {
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	*pipe = intel_mst->pipe;
 	if (intel_mst->connector)
 		return true;
@@ -391,7 +512,7 @@ static bool intel_dp_mst_enc_get_hw_state(struct intel_encoder *encoder,
 static void intel_dp_mst_enc_get_config(struct intel_encoder *encoder,
 					struct intel_crtc_state *pipe_config)
 {
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
 	struct intel_digital_port *intel_dig_port = intel_mst->primary;
 
 	intel_ddi_get_config(&intel_dig_port->base, pipe_config);
@@ -499,7 +620,7 @@ static const struct drm_connector_helper_funcs intel_dp_mst_connector_helper_fun
 
 static void intel_dp_mst_encoder_destroy(struct drm_encoder *encoder)
 {
-	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder);
+	struct intel_dp_mst_encoder *intel_mst = enc_to_mst(to_intel_encoder(encoder));
 
 	drm_encoder_cleanup(encoder);
 	kfree(intel_mst);
@@ -723,3 +844,14 @@ intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port)
 	drm_dp_mst_topology_mgr_destroy(&intel_dp->mst_mgr);
 	/* encoders will get killed by normal cleanup */
 }
+
+bool intel_dp_mst_is_master_trans(const struct intel_crtc_state *crtc_state)
+{
+	return crtc_state->mst_master_transcoder == crtc_state->cpu_transcoder;
+}
+
+bool intel_dp_mst_is_slave_trans(const struct intel_crtc_state *crtc_state)
+{
+	return crtc_state->mst_master_transcoder != INVALID_TRANSCODER &&
+	       crtc_state->mst_master_transcoder != crtc_state->cpu_transcoder;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.h b/drivers/gpu/drm/i915/display/intel_dp_mst.h
index f660ad80db04..854724f68f09 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_mst.h
+++ b/drivers/gpu/drm/i915/display/intel_dp_mst.h
@@ -6,10 +6,15 @@
 #ifndef __INTEL_DP_MST_H__
 #define __INTEL_DP_MST_H__
 
+#include <linux/types.h>
+
 struct intel_digital_port;
+struct intel_crtc_state;
 
 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);
 int intel_dp_mst_encoder_active_links(struct intel_digital_port *intel_dig_port);
+bool intel_dp_mst_is_master_trans(const struct intel_crtc_state *crtc_state);
+bool intel_dp_mst_is_slave_trans(const struct intel_crtc_state *crtc_state);
 
 #endif /* __INTEL_DP_MST_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_dpio_phy.c b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
index 704f38681c4b..6fb1f7a7364e 100644
--- a/drivers/gpu/drm/i915/display/intel_dpio_phy.c
+++ b/drivers/gpu/drm/i915/display/intel_dpio_phy.c
@@ -642,7 +642,7 @@ void chv_set_phy_signal_level(struct intel_encoder *encoder,
 			      bool uniq_trans_scale)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dport = enc_to_dig_port(encoder);
 	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
 	enum dpio_channel ch = vlv_dport_to_channel(dport);
 	enum pipe pipe = intel_crtc->pipe;
@@ -738,7 +738,7 @@ void chv_data_lane_soft_reset(struct intel_encoder *encoder,
 			      bool reset)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	enum dpio_channel ch = vlv_dport_to_channel(enc_to_dig_port(&encoder->base));
+	enum dpio_channel ch = vlv_dport_to_channel(enc_to_dig_port(encoder));
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	enum pipe pipe = crtc->pipe;
 	u32 val;
@@ -781,7 +781,7 @@ void chv_data_lane_soft_reset(struct intel_encoder *encoder,
 void chv_phy_pre_pll_enable(struct intel_encoder *encoder,
 			    const struct intel_crtc_state *crtc_state)
 {
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dport = enc_to_dig_port(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	enum dpio_channel ch = vlv_dport_to_channel(dport);
@@ -861,7 +861,7 @@ void chv_phy_pre_pll_enable(struct intel_encoder *encoder,
 void chv_phy_pre_encoder_enable(struct intel_encoder *encoder,
 				const struct intel_crtc_state *crtc_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@@ -940,7 +940,7 @@ void chv_phy_pre_encoder_enable(struct intel_encoder *encoder,
 
 void chv_phy_release_cl2_override(struct intel_encoder *encoder)
 {
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dport = enc_to_dig_port(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 
 	if (dport->release_cl2_override) {
@@ -989,7 +989,7 @@ void vlv_set_phy_signal_level(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->base.crtc);
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dport = enc_to_dig_port(encoder);
 	enum dpio_channel port = vlv_dport_to_channel(dport);
 	enum pipe pipe = intel_crtc->pipe;
 
@@ -1014,7 +1014,7 @@ void vlv_set_phy_signal_level(struct intel_encoder *encoder,
 void vlv_phy_pre_pll_enable(struct intel_encoder *encoder,
 			    const struct intel_crtc_state *crtc_state)
 {
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dport = enc_to_dig_port(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
 	enum dpio_channel port = vlv_dport_to_channel(dport);
@@ -1043,7 +1043,7 @@ void vlv_phy_pre_pll_enable(struct intel_encoder *encoder,
 void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder,
 				const struct intel_crtc_state *crtc_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct intel_digital_port *dport = dp_to_dig_port(intel_dp);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
@@ -1073,7 +1073,7 @@ void vlv_phy_pre_encoder_enable(struct intel_encoder *encoder,
 void vlv_phy_reset_lanes(struct intel_encoder *encoder,
 			 const struct intel_crtc_state *old_crtc_state)
 {
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dport = enc_to_dig_port(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
 	enum dpio_channel port = vlv_dport_to_channel(dport);
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 728a4b045de7..c75e34d87111 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -2972,8 +2972,8 @@ static void icl_update_active_dpll(struct intel_atomic_state *state,
 	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);
+		enc_to_mst(encoder)->primary :
+		enc_to_dig_port(encoder);
 
 	if (primary_port &&
 	    (primary_port->tc_mode == TC_PORT_DP_ALT ||
diff --git a/drivers/gpu/drm/i915/display/intel_dsi.h b/drivers/gpu/drm/i915/display/intel_dsi.h
index b15be5814599..19f78a4022d3 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi.h
+++ b/drivers/gpu/drm/i915/display/intel_dsi.h
@@ -45,8 +45,9 @@ struct intel_dsi {
 	struct intel_dsi_host *dsi_hosts[I915_MAX_PORTS];
 	intel_wakeref_t io_wakeref[I915_MAX_PORTS];
 
-	/* GPIO Desc for CRC based Panel control */
+	/* GPIO Desc for panel and backlight control */
 	struct gpio_desc *gpio_panel;
+	struct gpio_desc *gpio_backlight;
 
 	struct intel_connector *attached_connector;
 
@@ -68,6 +69,9 @@ struct intel_dsi {
 	/* number of DSI lanes */
 	unsigned int lane_count;
 
+	/* i2c bus associated with the slave device */
+	int i2c_bus_num;
+
 	/*
 	 * video mode pixel format
 	 *
@@ -141,9 +145,9 @@ static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h)
 #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)
+static inline struct intel_dsi *enc_to_intel_dsi(struct intel_encoder *encoder)
 {
-	return container_of(encoder, struct intel_dsi, base.base);
+	return container_of(&encoder->base, struct intel_dsi, base.base);
 }
 
 static inline bool is_vid_mode(struct intel_dsi *intel_dsi)
@@ -158,7 +162,7 @@ static inline bool is_cmd_mode(struct intel_dsi *intel_dsi)
 
 static inline u16 intel_dsi_encoder_ports(struct intel_encoder *encoder)
 {
-	return enc_to_intel_dsi(&encoder->base)->ports;
+	return enc_to_intel_dsi(encoder)->ports;
 }
 
 /* icl_dsi.c */
@@ -203,6 +207,8 @@ void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port);
 
 /* intel_dsi_vbt.c */
 bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id);
+void intel_dsi_vbt_gpio_init(struct intel_dsi *intel_dsi, bool panel_is_on);
+void intel_dsi_vbt_gpio_cleanup(struct intel_dsi *intel_dsi);
 void intel_dsi_vbt_exec_sequence(struct intel_dsi *intel_dsi,
 				 enum mipi_seq seq_id);
 void intel_dsi_msleep(struct intel_dsi *intel_dsi, int msec);
diff --git a/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c b/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c
index bb3fd8b786a2..c87838843d0b 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_dcs_backlight.c
@@ -46,7 +46,7 @@
 static u32 dcs_get_backlight(struct intel_connector *connector)
 {
 	struct intel_encoder *encoder = connector->encoder;
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct mipi_dsi_device *dsi_device;
 	u8 data = 0;
 	enum port port;
@@ -64,7 +64,7 @@ static u32 dcs_get_backlight(struct intel_connector *connector)
 
 static void dcs_set_backlight(const struct drm_connector_state *conn_state, u32 level)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(conn_state->best_encoder);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(conn_state->best_encoder));
 	struct mipi_dsi_device *dsi_device;
 	u8 data = level;
 	enum port port;
@@ -79,7 +79,7 @@ static void dcs_set_backlight(const struct drm_connector_state *conn_state, u32
 
 static void dcs_disable_backlight(const struct drm_connector_state *conn_state)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(conn_state->best_encoder);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(conn_state->best_encoder));
 	struct mipi_dsi_device *dsi_device;
 	enum port port;
 
@@ -113,7 +113,7 @@ static void dcs_disable_backlight(const struct drm_connector_state *conn_state)
 static void dcs_enable_backlight(const struct intel_crtc_state *crtc_state,
 				 const struct drm_connector_state *conn_state)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(conn_state->best_encoder);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(conn_state->best_encoder));
 	struct intel_panel *panel = &to_intel_connector(conn_state->connector)->panel;
 	struct mipi_dsi_device *dsi_device;
 	enum port port;
diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
index f90946c912ee..89fb0d90b694 100644
--- a/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
+++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt.c
@@ -25,7 +25,10 @@
  */
 
 #include <linux/gpio/consumer.h>
+#include <linux/gpio/machine.h>
 #include <linux/mfd/intel_soc_pmic.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/pinctrl/machine.h>
 #include <linux/slab.h>
 
 #include <asm/intel-mid.h>
@@ -83,6 +86,12 @@ static struct gpio_map vlv_gpio_table[] = {
 	{ VLV_GPIO_NC_11_PANEL1_BKLTCTL },
 };
 
+struct i2c_adapter_lookup {
+	u16 slave_addr;
+	struct intel_dsi *intel_dsi;
+	acpi_handle dev_handle;
+};
+
 #define CHV_GPIO_IDX_START_N		0
 #define CHV_GPIO_IDX_START_E		73
 #define CHV_GPIO_IDX_START_SW		100
@@ -375,11 +384,98 @@ static const u8 *mipi_exec_gpio(struct intel_dsi *intel_dsi, const u8 *data)
 	return data;
 }
 
+static int i2c_adapter_lookup(struct acpi_resource *ares, void *data)
+{
+	struct i2c_adapter_lookup *lookup = data;
+	struct intel_dsi *intel_dsi = lookup->intel_dsi;
+	struct acpi_resource_i2c_serialbus *sb;
+	struct i2c_adapter *adapter;
+	acpi_handle adapter_handle;
+	acpi_status status;
+
+	if (intel_dsi->i2c_bus_num >= 0 ||
+	    !i2c_acpi_get_i2c_resource(ares, &sb))
+		return 1;
+
+	if (lookup->slave_addr != sb->slave_address)
+		return 1;
+
+	status = acpi_get_handle(lookup->dev_handle,
+				 sb->resource_source.string_ptr,
+				 &adapter_handle);
+	if (ACPI_FAILURE(status))
+		return 1;
+
+	adapter = i2c_acpi_find_adapter_by_handle(adapter_handle);
+	if (adapter)
+		intel_dsi->i2c_bus_num = adapter->nr;
+
+	return 1;
+}
+
 static const u8 *mipi_exec_i2c(struct intel_dsi *intel_dsi, const u8 *data)
 {
-	DRM_DEBUG_KMS("Skipping I2C element execution\n");
+	struct drm_device *drm_dev = intel_dsi->base.base.dev;
+	struct device *dev = &drm_dev->pdev->dev;
+	struct i2c_adapter *adapter;
+	struct acpi_device *acpi_dev;
+	struct list_head resource_list;
+	struct i2c_adapter_lookup lookup;
+	struct i2c_msg msg;
+	int ret;
+	u8 vbt_i2c_bus_num = *(data + 2);
+	u16 slave_addr = *(u16 *)(data + 3);
+	u8 reg_offset = *(data + 5);
+	u8 payload_size = *(data + 6);
+	u8 *payload_data;
+
+	if (intel_dsi->i2c_bus_num < 0) {
+		intel_dsi->i2c_bus_num = vbt_i2c_bus_num;
+
+		acpi_dev = ACPI_COMPANION(dev);
+		if (acpi_dev) {
+			memset(&lookup, 0, sizeof(lookup));
+			lookup.slave_addr = slave_addr;
+			lookup.intel_dsi = intel_dsi;
+			lookup.dev_handle = acpi_device_handle(acpi_dev);
+
+			INIT_LIST_HEAD(&resource_list);
+			acpi_dev_get_resources(acpi_dev, &resource_list,
+					       i2c_adapter_lookup,
+					       &lookup);
+			acpi_dev_free_resource_list(&resource_list);
+		}
+	}
 
-	return data + *(data + 6) + 7;
+	adapter = i2c_get_adapter(intel_dsi->i2c_bus_num);
+	if (!adapter) {
+		DRM_DEV_ERROR(dev, "Cannot find a valid i2c bus for xfer\n");
+		goto err_bus;
+	}
+
+	payload_data = kzalloc(payload_size + 1, GFP_KERNEL);
+	if (!payload_data)
+		goto err_alloc;
+
+	payload_data[0] = reg_offset;
+	memcpy(&payload_data[1], (data + 7), payload_size);
+
+	msg.addr = slave_addr;
+	msg.flags = 0;
+	msg.len = payload_size + 1;
+	msg.buf = payload_data;
+
+	ret = i2c_transfer(adapter, &msg, 1);
+	if (ret < 0)
+		DRM_DEV_ERROR(dev,
+			      "Failed to xfer payload of size (%u) to reg (%u)\n",
+			      payload_size, reg_offset);
+
+	kfree(payload_data);
+err_alloc:
+	i2c_put_adapter(adapter);
+err_bus:
+	return data + payload_size + 7;
 }
 
 static const u8 *mipi_exec_spi(struct intel_dsi *intel_dsi, const u8 *data)
@@ -453,8 +549,8 @@ static const char *sequence_name(enum mipi_seq seq_id)
 		return "(unknown)";
 }
 
-void intel_dsi_vbt_exec_sequence(struct intel_dsi *intel_dsi,
-				 enum mipi_seq seq_id)
+static void intel_dsi_vbt_exec(struct intel_dsi *intel_dsi,
+			       enum mipi_seq seq_id)
 {
 	struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev);
 	const u8 *data;
@@ -519,6 +615,22 @@ void intel_dsi_vbt_exec_sequence(struct intel_dsi *intel_dsi,
 	}
 }
 
+void intel_dsi_vbt_exec_sequence(struct intel_dsi *intel_dsi,
+				 enum mipi_seq seq_id)
+{
+	if (seq_id == MIPI_SEQ_POWER_ON && intel_dsi->gpio_panel)
+		gpiod_set_value_cansleep(intel_dsi->gpio_panel, 1);
+	if (seq_id == MIPI_SEQ_BACKLIGHT_ON && intel_dsi->gpio_backlight)
+		gpiod_set_value_cansleep(intel_dsi->gpio_backlight, 1);
+
+	intel_dsi_vbt_exec(intel_dsi, seq_id);
+
+	if (seq_id == MIPI_SEQ_POWER_OFF && intel_dsi->gpio_panel)
+		gpiod_set_value_cansleep(intel_dsi->gpio_panel, 0);
+	if (seq_id == MIPI_SEQ_BACKLIGHT_OFF && intel_dsi->gpio_backlight)
+		gpiod_set_value_cansleep(intel_dsi->gpio_backlight, 0);
+}
+
 void intel_dsi_msleep(struct intel_dsi *intel_dsi, int msec)
 {
 	struct drm_i915_private *dev_priv = to_i915(intel_dsi->base.base.dev);
@@ -664,6 +776,8 @@ bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id)
 	intel_dsi->panel_off_delay = pps->panel_off_delay / 10;
 	intel_dsi->panel_pwr_cycle_delay = pps->panel_power_cycle_delay / 10;
 
+	intel_dsi->i2c_bus_num = -1;
+
 	/* a regular driver would get the device in probe */
 	for_each_dsi_port(port, intel_dsi->ports) {
 		mipi_dsi_attach(intel_dsi->dsi_hosts[port]->device);
@@ -671,3 +785,110 @@ bool intel_dsi_vbt_init(struct intel_dsi *intel_dsi, u16 panel_id)
 
 	return true;
 }
+
+/*
+ * On some BYT/CHT devs some sequences are incomplete and we need to manually
+ * control some GPIOs. We need to add a GPIO lookup table before we get these.
+ * If the GOP did not initialize the panel (HDMI inserted) we may need to also
+ * change the pinmux for the SoC's PWM0 pin from GPIO to PWM.
+ */
+static struct gpiod_lookup_table pmic_panel_gpio_table = {
+	/* Intel GFX is consumer */
+	.dev_id = "0000:00:02.0",
+	.table = {
+		/* Panel EN/DISABLE */
+		GPIO_LOOKUP("gpio_crystalcove", 94, "panel", GPIO_ACTIVE_HIGH),
+		{ }
+	},
+};
+
+static struct gpiod_lookup_table soc_panel_gpio_table = {
+	.dev_id = "0000:00:02.0",
+	.table = {
+		GPIO_LOOKUP("INT33FC:01", 10, "backlight", GPIO_ACTIVE_HIGH),
+		GPIO_LOOKUP("INT33FC:01", 11, "panel", GPIO_ACTIVE_HIGH),
+		{ }
+	},
+};
+
+static const struct pinctrl_map soc_pwm_pinctrl_map[] = {
+	PIN_MAP_MUX_GROUP("0000:00:02.0", "soc_pwm0", "INT33FC:00",
+			  "pwm0_grp", "pwm"),
+};
+
+void intel_dsi_vbt_gpio_init(struct intel_dsi *intel_dsi, bool panel_is_on)
+{
+	struct drm_device *dev = intel_dsi->base.base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct mipi_config *mipi_config = dev_priv->vbt.dsi.config;
+	enum gpiod_flags flags = panel_is_on ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW;
+	bool want_backlight_gpio = false;
+	bool want_panel_gpio = false;
+	struct pinctrl *pinctrl;
+	int ret;
+
+	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
+	    mipi_config->pwm_blc == PPS_BLC_PMIC) {
+		gpiod_add_lookup_table(&pmic_panel_gpio_table);
+		want_panel_gpio = true;
+	}
+
+	if (IS_VALLEYVIEW(dev_priv) && mipi_config->pwm_blc == PPS_BLC_SOC) {
+		gpiod_add_lookup_table(&soc_panel_gpio_table);
+		want_panel_gpio = true;
+		want_backlight_gpio = true;
+
+		/* Ensure PWM0 pin is muxed as PWM instead of GPIO */
+		ret = pinctrl_register_mappings(soc_pwm_pinctrl_map,
+					     ARRAY_SIZE(soc_pwm_pinctrl_map));
+		if (ret)
+			DRM_ERROR("Failed to register pwm0 pinmux mapping\n");
+
+		pinctrl = devm_pinctrl_get_select(dev->dev, "soc_pwm0");
+		if (IS_ERR(pinctrl))
+			DRM_ERROR("Failed to set pinmux to PWM\n");
+	}
+
+	if (want_panel_gpio) {
+		intel_dsi->gpio_panel = gpiod_get(dev->dev, "panel", flags);
+		if (IS_ERR(intel_dsi->gpio_panel)) {
+			DRM_ERROR("Failed to own gpio for panel control\n");
+			intel_dsi->gpio_panel = NULL;
+		}
+	}
+
+	if (want_backlight_gpio) {
+		intel_dsi->gpio_backlight =
+			gpiod_get(dev->dev, "backlight", flags);
+		if (IS_ERR(intel_dsi->gpio_backlight)) {
+			DRM_ERROR("Failed to own gpio for backlight control\n");
+			intel_dsi->gpio_backlight = NULL;
+		}
+	}
+}
+
+void intel_dsi_vbt_gpio_cleanup(struct intel_dsi *intel_dsi)
+{
+	struct drm_device *dev = intel_dsi->base.base.dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+	struct mipi_config *mipi_config = dev_priv->vbt.dsi.config;
+
+	if (intel_dsi->gpio_panel) {
+		gpiod_put(intel_dsi->gpio_panel);
+		intel_dsi->gpio_panel = NULL;
+	}
+
+	if (intel_dsi->gpio_backlight) {
+		gpiod_put(intel_dsi->gpio_backlight);
+		intel_dsi->gpio_backlight = NULL;
+	}
+
+	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
+	    mipi_config->pwm_blc == PPS_BLC_PMIC)
+		gpiod_remove_lookup_table(&pmic_panel_gpio_table);
+
+	if (IS_VALLEYVIEW(dev_priv) && mipi_config->pwm_blc == PPS_BLC_SOC) {
+		pinctrl_unregister_mappings(soc_pwm_pinctrl_map);
+		gpiod_remove_lookup_table(&soc_panel_gpio_table);
+	}
+}
diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c
index a74dc5b915d1..86a337c9d85d 100644
--- a/drivers/gpu/drm/i915/display/intel_dvo.c
+++ b/drivers/gpu/drm/i915/display/intel_dvo.c
@@ -125,7 +125,7 @@ static struct intel_dvo *enc_to_dvo(struct intel_encoder *encoder)
 	return container_of(encoder, struct intel_dvo, base);
 }
 
-static struct intel_dvo *intel_attached_dvo(struct drm_connector *connector)
+static struct intel_dvo *intel_attached_dvo(struct intel_connector *connector)
 {
 	return enc_to_dvo(intel_attached_encoder(connector));
 }
@@ -134,7 +134,7 @@ static bool intel_dvo_connector_get_hw_state(struct intel_connector *connector)
 {
 	struct drm_device *dev = connector->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_dvo *intel_dvo = intel_attached_dvo(&connector->base);
+	struct intel_dvo *intel_dvo = intel_attached_dvo(connector);
 	u32 tmp;
 
 	tmp = I915_READ(intel_dvo->dev.dvo_reg);
@@ -220,7 +220,7 @@ static enum drm_mode_status
 intel_dvo_mode_valid(struct drm_connector *connector,
 		     struct drm_display_mode *mode)
 {
-	struct intel_dvo *intel_dvo = intel_attached_dvo(connector);
+	struct intel_dvo *intel_dvo = intel_attached_dvo(to_intel_connector(connector));
 	const struct drm_display_mode *fixed_mode =
 		to_intel_connector(connector)->panel.fixed_mode;
 	int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
@@ -311,7 +311,7 @@ static void intel_dvo_pre_enable(struct intel_encoder *encoder,
 static enum drm_connector_status
 intel_dvo_detect(struct drm_connector *connector, bool force)
 {
-	struct intel_dvo *intel_dvo = intel_attached_dvo(connector);
+	struct intel_dvo *intel_dvo = intel_attached_dvo(to_intel_connector(connector));
 	DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
 		      connector->base.id, connector->name);
 	return intel_dvo->dev.dev_ops->detect(&intel_dvo->dev);
diff --git a/drivers/gpu/drm/i915/display/intel_fifo_underrun.c b/drivers/gpu/drm/i915/display/intel_fifo_underrun.c
index ab61f88d1d33..6c83b350525d 100644
--- a/drivers/gpu/drm/i915/display/intel_fifo_underrun.c
+++ b/drivers/gpu/drm/i915/display/intel_fifo_underrun.c
@@ -126,8 +126,8 @@ static void i9xx_set_fifo_underrun_reporting(struct drm_device *dev,
 	}
 }
 
-static void ironlake_set_fifo_underrun_reporting(struct drm_device *dev,
-						 enum pipe pipe, bool enable)
+static void ilk_set_fifo_underrun_reporting(struct drm_device *dev,
+					    enum pipe pipe, bool enable)
 {
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	u32 bit = (pipe == PIPE_A) ?
@@ -139,7 +139,7 @@ static void ironlake_set_fifo_underrun_reporting(struct drm_device *dev,
 		ilk_disable_display_irq(dev_priv, bit);
 }
 
-static void ivybridge_check_fifo_underruns(struct intel_crtc *crtc)
+static void ivb_check_fifo_underruns(struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	enum pipe pipe = crtc->pipe;
@@ -157,9 +157,9 @@ static void ivybridge_check_fifo_underruns(struct intel_crtc *crtc)
 	DRM_ERROR("fifo underrun on pipe %c\n", pipe_name(pipe));
 }
 
-static void ivybridge_set_fifo_underrun_reporting(struct drm_device *dev,
-						  enum pipe pipe,
-						  bool enable, bool old)
+static void ivb_set_fifo_underrun_reporting(struct drm_device *dev,
+					    enum pipe pipe, bool enable,
+					    bool old)
 {
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	if (enable) {
@@ -180,8 +180,8 @@ static void ivybridge_set_fifo_underrun_reporting(struct drm_device *dev,
 	}
 }
 
-static void broadwell_set_fifo_underrun_reporting(struct drm_device *dev,
-						  enum pipe pipe, bool enable)
+static void bdw_set_fifo_underrun_reporting(struct drm_device *dev,
+					    enum pipe pipe, bool enable)
 {
 	struct drm_i915_private *dev_priv = to_i915(dev);
 
@@ -264,11 +264,11 @@ static bool __intel_set_cpu_fifo_underrun_reporting(struct drm_device *dev,
 	if (HAS_GMCH(dev_priv))
 		i9xx_set_fifo_underrun_reporting(dev, pipe, enable, old);
 	else if (IS_GEN_RANGE(dev_priv, 5, 6))
-		ironlake_set_fifo_underrun_reporting(dev, pipe, enable);
+		ilk_set_fifo_underrun_reporting(dev, pipe, enable);
 	else if (IS_GEN(dev_priv, 7))
-		ivybridge_set_fifo_underrun_reporting(dev, pipe, enable, old);
+		ivb_set_fifo_underrun_reporting(dev, pipe, enable, old);
 	else if (INTEL_GEN(dev_priv) >= 8)
-		broadwell_set_fifo_underrun_reporting(dev, pipe, enable);
+		bdw_set_fifo_underrun_reporting(dev, pipe, enable);
 
 	return old;
 }
@@ -427,7 +427,7 @@ void intel_check_cpu_fifo_underruns(struct drm_i915_private *dev_priv)
 		if (HAS_GMCH(dev_priv))
 			i9xx_check_fifo_underruns(crtc);
 		else if (IS_GEN(dev_priv, 7))
-			ivybridge_check_fifo_underruns(crtc);
+			ivb_check_fifo_underruns(crtc);
 	}
 
 	spin_unlock_irq(&dev_priv->irq_lock);
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 685589064d10..93ac0f296852 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -85,16 +85,17 @@ assert_hdmi_transcoder_func_disabled(struct drm_i915_private *dev_priv,
 	     "HDMI transcoder function enabled, expecting disabled\n");
 }
 
-struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder)
+struct intel_hdmi *enc_to_intel_hdmi(struct intel_encoder *encoder)
 {
 	struct intel_digital_port *intel_dig_port =
-		container_of(encoder, struct intel_digital_port, base.base);
+		container_of(&encoder->base, struct intel_digital_port,
+			     base.base);
 	return &intel_dig_port->hdmi;
 }
 
-static struct intel_hdmi *intel_attached_hdmi(struct drm_connector *connector)
+static struct intel_hdmi *intel_attached_hdmi(struct intel_connector *connector)
 {
-	return enc_to_intel_hdmi(&intel_attached_encoder(connector)->base);
+	return enc_to_intel_hdmi(intel_attached_encoder(connector));
 }
 
 static u32 g4x_infoframe_index(unsigned int type)
@@ -602,7 +603,7 @@ u32 intel_hdmi_infoframes_enabled(struct intel_encoder *encoder,
 				  const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	u32 val, ret = 0;
 	int i;
 
@@ -646,7 +647,7 @@ static void intel_write_infoframe(struct intel_encoder *encoder,
 				  enum hdmi_infoframe_type type,
 				  const union hdmi_infoframe *frame)
 {
-	struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
 	u8 buffer[VIDEO_DIP_DATA_SIZE];
 	ssize_t len;
 
@@ -675,7 +676,7 @@ void intel_read_infoframe(struct intel_encoder *encoder,
 			  enum hdmi_infoframe_type type,
 			  union hdmi_infoframe *frame)
 {
-	struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
 	u8 buffer[VIDEO_DIP_DATA_SIZE];
 	int ret;
 
@@ -855,7 +856,7 @@ static void g4x_set_infoframes(struct intel_encoder *encoder,
 			       const struct drm_connector_state *conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
 	struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi;
 	i915_reg_t reg = VIDEO_DIP_CTL;
 	u32 val = I915_READ(reg);
@@ -1038,7 +1039,7 @@ static void ibx_set_infoframes(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct intel_digital_port *intel_dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
 	struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi;
 	i915_reg_t reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
 	u32 val = I915_READ(reg);
@@ -1097,7 +1098,7 @@ static void cpt_set_infoframes(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	i915_reg_t reg = TVIDEO_DIP_CTL(intel_crtc->pipe);
 	u32 val = I915_READ(reg);
 
@@ -1146,7 +1147,7 @@ static void vlv_set_infoframes(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	i915_reg_t reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe);
 	u32 val = I915_READ(reg);
 	u32 port = VIDEO_DIP_PORT(encoder->port);
@@ -1737,7 +1738,7 @@ static void intel_hdmi_prepare(struct intel_encoder *encoder,
 	struct drm_device *dev = encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
 	u32 hdmi_val;
 
@@ -1774,7 +1775,7 @@ static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder,
 				    enum pipe *pipe)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	intel_wakeref_t wakeref;
 	bool ret;
 
@@ -1793,7 +1794,7 @@ static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder,
 static void intel_hdmi_get_config(struct intel_encoder *encoder,
 				  struct intel_crtc_state *pipe_config)
 {
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	struct drm_device *dev = encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	u32 tmp, flags = 0;
@@ -1874,7 +1875,7 @@ static void g4x_enable_hdmi(struct intel_encoder *encoder,
 {
 	struct drm_device *dev = encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	u32 temp;
 
 	temp = I915_READ(intel_hdmi->hdmi_reg);
@@ -1896,7 +1897,7 @@ static void ibx_enable_hdmi(struct intel_encoder *encoder,
 {
 	struct drm_device *dev = encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	u32 temp;
 
 	temp = I915_READ(intel_hdmi->hdmi_reg);
@@ -1947,7 +1948,7 @@ static void cpt_enable_hdmi(struct intel_encoder *encoder,
 	struct drm_device *dev = encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	enum pipe pipe = crtc->pipe;
 	u32 temp;
 
@@ -2007,7 +2008,7 @@ static void intel_disable_hdmi(struct intel_encoder *encoder,
 {
 	struct drm_device *dev = encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	struct intel_digital_port *intel_dig_port =
 		hdmi_to_dig_port(intel_hdmi);
 	struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
@@ -2160,7 +2161,7 @@ static enum drm_mode_status
 intel_hdmi_mode_valid(struct drm_connector *connector,
 		      struct drm_display_mode *mode)
 {
-	struct intel_hdmi *hdmi = intel_attached_hdmi(connector);
+	struct intel_hdmi *hdmi = intel_attached_hdmi(to_intel_connector(connector));
 	struct drm_device *dev = intel_hdmi_to_dev(hdmi);
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	enum drm_mode_status status;
@@ -2316,7 +2317,7 @@ static int intel_hdmi_compute_bpc(struct intel_encoder *encoder,
 				  struct intel_crtc_state *crtc_state,
 				  int clock, bool force_dvi)
 {
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	int bpc;
 
 	for (bpc = 12; bpc >= 10; bpc -= 2) {
@@ -2334,7 +2335,7 @@ static int intel_hdmi_compute_clock(struct intel_encoder *encoder,
 				    struct intel_crtc_state *crtc_state,
 				    bool force_dvi)
 {
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	const struct drm_display_mode *adjusted_mode =
 		&crtc_state->hw.adjusted_mode;
 	int bpc, clock = adjusted_mode->crtc_clock;
@@ -2404,7 +2405,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
 			      struct intel_crtc_state *pipe_config,
 			      struct drm_connector_state *conn_state)
 {
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
 	struct drm_connector *connector = conn_state->connector;
@@ -2496,7 +2497,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
 static void
 intel_hdmi_unset_edid(struct drm_connector *connector)
 {
-	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(to_intel_connector(connector));
 
 	intel_hdmi->has_hdmi_sink = false;
 	intel_hdmi->has_audio = false;
@@ -2512,7 +2513,7 @@ static void
 intel_hdmi_dp_dual_mode_detect(struct drm_connector *connector, bool has_edid)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
-	struct intel_hdmi *hdmi = intel_attached_hdmi(connector);
+	struct intel_hdmi *hdmi = intel_attached_hdmi(to_intel_connector(connector));
 	enum port port = hdmi_to_dig_port(hdmi)->base.port;
 	struct i2c_adapter *adapter =
 		intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus);
@@ -2559,7 +2560,7 @@ static bool
 intel_hdmi_set_edid(struct drm_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
-	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(to_intel_connector(connector));
 	intel_wakeref_t wakeref;
 	struct edid *edid;
 	bool connected = false;
@@ -2600,7 +2601,7 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
 {
 	enum drm_connector_status status = connector_status_disconnected;
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
-	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(to_intel_connector(connector));
 	struct intel_encoder *encoder = &hdmi_to_dig_port(intel_hdmi)->base;
 	intel_wakeref_t wakeref;
 
@@ -2663,7 +2664,7 @@ static void intel_hdmi_pre_enable(struct intel_encoder *encoder,
 				  const struct drm_connector_state *conn_state)
 {
 	struct intel_digital_port *intel_dig_port =
-		enc_to_dig_port(&encoder->base);
+		enc_to_dig_port(encoder);
 
 	intel_hdmi_prepare(encoder, pipe_config);
 
@@ -2676,7 +2677,7 @@ static void vlv_hdmi_pre_enable(struct intel_encoder *encoder,
 				const struct intel_crtc_state *pipe_config,
 				const struct drm_connector_state *conn_state)
 {
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dport = enc_to_dig_port(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 
 	vlv_phy_pre_encoder_enable(encoder, pipe_config);
@@ -2746,7 +2747,7 @@ static void chv_hdmi_pre_enable(struct intel_encoder *encoder,
 				const struct intel_crtc_state *pipe_config,
 				const struct drm_connector_state *conn_state)
 {
-	struct intel_digital_port *dport = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dport = enc_to_dig_port(encoder);
 	struct drm_device *dev = encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
 
@@ -2772,7 +2773,7 @@ static struct i2c_adapter *
 intel_hdmi_get_i2c_adapter(struct drm_connector *connector)
 {
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
-	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
+	struct intel_hdmi *intel_hdmi = intel_attached_hdmi(to_intel_connector(connector));
 
 	return intel_gmbus_get_adapter(dev_priv, intel_hdmi->ddc_bus);
 }
@@ -2816,7 +2817,7 @@ intel_hdmi_connector_register(struct drm_connector *connector)
 
 static void intel_hdmi_destroy(struct drm_connector *connector)
 {
-	struct cec_notifier *n = intel_attached_hdmi(connector)->cec_notifier;
+	struct cec_notifier *n = intel_attached_hdmi(to_intel_connector(connector))->cec_notifier;
 
 	cec_notifier_conn_unregister(n);
 
@@ -2906,7 +2907,7 @@ bool intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder,
 				       bool scrambling)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	struct drm_scrambling *sink_scrambling =
 		&connector->display_info.hdmi.scdc.scrambling;
 	struct i2c_adapter *adapter =
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.h b/drivers/gpu/drm/i915/display/intel_hdmi.h
index cf1ea5427639..d3659d0b408b 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.h
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.h
@@ -29,7 +29,7 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv, i915_reg_t hdmi_reg,
 		     enum port port);
 void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
 			       struct intel_connector *intel_connector);
-struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder);
+struct intel_hdmi *enc_to_intel_hdmi(struct intel_encoder *encoder);
 int intel_hdmi_compute_config(struct intel_encoder *encoder,
 			      struct intel_crtc_state *pipe_config,
 			      struct drm_connector_state *conn_state);
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c
index fc29046d48ea..99d3a3c7989e 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
@@ -302,7 +302,7 @@ intel_encoder_hotplug(struct intel_encoder *encoder,
 static bool intel_encoder_has_hpd_pulse(struct intel_encoder *encoder)
 {
 	return intel_encoder_is_dig_port(encoder) &&
-		enc_to_dig_port(&encoder->base)->hpd_pulse != NULL;
+		enc_to_dig_port(encoder)->hpd_pulse != NULL;
 }
 
 static void i915_digport_work_func(struct work_struct *work)
@@ -335,7 +335,7 @@ static void i915_digport_work_func(struct work_struct *work)
 		if (!long_hpd && !short_hpd)
 			continue;
 
-		dig_port = enc_to_dig_port(&encoder->base);
+		dig_port = enc_to_dig_port(encoder);
 
 		ret = dig_port->hpd_pulse(dig_port, long_hpd);
 		if (ret == IRQ_NONE) {
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
index 5145ff8b962b..d807c5648c87 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -434,8 +434,8 @@ void lspcon_write_infoframe(struct intel_encoder *encoder,
 			    const void *frame, ssize_t len)
 {
 	bool ret;
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
-	struct intel_lspcon *lspcon = enc_to_intel_lspcon(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+	struct intel_lspcon *lspcon = enc_to_intel_lspcon(encoder);
 
 	/* LSPCON only needs AVI IF */
 	if (type != HDMI_INFOFRAME_TYPE_AVI)
@@ -472,7 +472,7 @@ void lspcon_set_infoframes(struct intel_encoder *encoder,
 	ssize_t ret;
 	union hdmi_infoframe frame;
 	u8 buf[VIDEO_DIP_DATA_SIZE];
-	struct intel_digital_port *dig_port = enc_to_dig_port(&encoder->base);
+	struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
 	struct intel_lspcon *lspcon = &dig_port->lspcon;
 	const struct drm_display_mode *adjusted_mode =
 		&crtc_state->hw.adjusted_mode;
@@ -522,7 +522,7 @@ u32 lspcon_infoframes_enabled(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *pipe_config)
 {
 	/* FIXME actually read this from the hw */
-	return enc_to_intel_lspcon(&encoder->base)->active;
+	return enc_to_intel_lspcon(encoder)->active;
 }
 
 void lspcon_resume(struct intel_lspcon *lspcon)
diff --git a/drivers/gpu/drm/i915/display/intel_pipe_crc.c b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
index 2746512f4466..520408e83681 100644
--- a/drivers/gpu/drm/i915/display/intel_pipe_crc.c
+++ b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
@@ -98,7 +98,7 @@ static int i9xx_pipe_crc_auto_source(struct drm_i915_private *dev_priv,
 			break;
 		case INTEL_OUTPUT_DP:
 		case INTEL_OUTPUT_EDP:
-			dig_port = enc_to_dig_port(&encoder->base);
+			dig_port = enc_to_dig_port(encoder);
 			switch (dig_port->base.port) {
 			case PORT_B:
 				*source = INTEL_PIPE_CRC_SOURCE_DP_B;
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 16e9ff47d519..89c9cf5f38d2 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1523,3 +1523,27 @@ bool intel_psr_enabled(struct intel_dp *intel_dp)
 
 	return ret;
 }
+
+void intel_psr_atomic_check(struct drm_connector *connector,
+			    struct drm_connector_state *old_state,
+			    struct drm_connector_state *new_state)
+{
+	struct drm_i915_private *dev_priv = to_i915(connector->dev);
+	struct intel_connector *intel_connector;
+	struct intel_digital_port *dig_port;
+	struct drm_crtc_state *crtc_state;
+
+	if (!CAN_PSR(dev_priv) || !new_state->crtc ||
+	    dev_priv->psr.initially_probed)
+		return;
+
+	intel_connector = to_intel_connector(connector);
+	dig_port = enc_to_dig_port(intel_connector->encoder);
+	if (dev_priv->psr.dp != &dig_port->dp)
+		return;
+
+	crtc_state = drm_atomic_get_new_crtc_state(new_state->state,
+						   new_state->crtc);
+	crtc_state->mode_changed = true;
+	dev_priv->psr.initially_probed = true;
+}
diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h
index 46e4de8b8cd5..c58a1d438808 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.h
+++ b/drivers/gpu/drm/i915/display/intel_psr.h
@@ -8,6 +8,8 @@
 
 #include "intel_frontbuffer.h"
 
+struct drm_connector;
+struct drm_connector_state;
 struct drm_i915_private;
 struct intel_crtc_state;
 struct intel_dp;
@@ -35,5 +37,8 @@ void intel_psr_short_pulse(struct intel_dp *intel_dp);
 int intel_psr_wait_for_idle(const struct intel_crtc_state *new_crtc_state,
 			    u32 *out_value);
 bool intel_psr_enabled(struct intel_dp *intel_dp);
+void intel_psr_atomic_check(struct drm_connector *connector,
+			    struct drm_connector_state *old_state,
+			    struct drm_connector_state *new_state);
 
 #endif /* __INTEL_PSR_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c
index 8758ee2a4442..e8819fd21e03 100644
--- a/drivers/gpu/drm/i915/display/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/display/intel_sdvo.c
@@ -180,7 +180,7 @@ static struct intel_sdvo *to_sdvo(struct intel_encoder *encoder)
 	return container_of(encoder, struct intel_sdvo, base);
 }
 
-static struct intel_sdvo *intel_attached_sdvo(struct drm_connector *connector)
+static struct intel_sdvo *intel_attached_sdvo(struct intel_connector *connector)
 {
 	return to_sdvo(intel_attached_encoder(connector));
 }
@@ -1551,7 +1551,7 @@ static bool intel_sdvo_connector_get_hw_state(struct intel_connector *connector)
 {
 	struct intel_sdvo_connector *intel_sdvo_connector =
 		to_intel_sdvo_connector(&connector->base);
-	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(&connector->base);
+	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
 	u16 active_outputs = 0;
 
 	intel_sdvo_get_active_outputs(intel_sdvo, &active_outputs);
@@ -1823,7 +1823,7 @@ static enum drm_mode_status
 intel_sdvo_mode_valid(struct drm_connector *connector,
 		      struct drm_display_mode *mode)
 {
-	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
+	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
 	struct intel_sdvo_connector *intel_sdvo_connector =
 		to_intel_sdvo_connector(connector);
 	int max_dotclk = to_i915(connector->dev)->max_dotclk_freq;
@@ -1941,7 +1941,7 @@ intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
 static struct edid *
 intel_sdvo_get_edid(struct drm_connector *connector)
 {
-	struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
+	struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector));
 	return drm_get_edid(connector, &sdvo->ddc);
 }
 
@@ -1959,7 +1959,7 @@ intel_sdvo_get_analog_edid(struct drm_connector *connector)
 static enum drm_connector_status
 intel_sdvo_tmds_sink_detect(struct drm_connector *connector)
 {
-	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
+	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
 	struct intel_sdvo_connector *intel_sdvo_connector =
 		to_intel_sdvo_connector(connector);
 	enum drm_connector_status status;
@@ -2028,7 +2028,7 @@ static enum drm_connector_status
 intel_sdvo_detect(struct drm_connector *connector, bool force)
 {
 	u16 response;
-	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
+	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
 	struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector);
 	enum drm_connector_status ret;
 
@@ -2175,7 +2175,7 @@ static const struct drm_display_mode sdvo_tv_modes[] = {
 
 static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
 {
-	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
+	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
 	const struct drm_connector_state *conn_state = connector->state;
 	struct intel_sdvo_sdtv_resolution_request tv_res;
 	u32 reply = 0, format_map = 0;
@@ -2215,7 +2215,7 @@ static void intel_sdvo_get_tv_modes(struct drm_connector *connector)
 
 static void intel_sdvo_get_lvds_modes(struct drm_connector *connector)
 {
-	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(connector);
+	struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector));
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
 	struct drm_display_mode *newmode;
 
@@ -2379,7 +2379,7 @@ intel_sdvo_connector_atomic_set_property(struct drm_connector *connector,
 static int
 intel_sdvo_connector_register(struct drm_connector *connector)
 {
-	struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
+	struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector));
 	int ret;
 
 	ret = intel_connector_register(connector);
@@ -2394,7 +2394,7 @@ intel_sdvo_connector_register(struct drm_connector *connector)
 static void
 intel_sdvo_connector_unregister(struct drm_connector *connector)
 {
-	struct intel_sdvo *sdvo = intel_attached_sdvo(connector);
+	struct intel_sdvo *sdvo = intel_attached_sdvo(to_intel_connector(connector));
 
 	sysfs_remove_link(&connector->kdev->kobj,
 			  sdvo->ddc.dev.kobj.name);
@@ -2932,7 +2932,7 @@ static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo)
 
 	list_for_each_entry_safe(connector, tmp,
 				 &dev->mode_config.connector_list, head) {
-		if (intel_attached_encoder(connector) == &intel_sdvo->base) {
+		if (intel_attached_encoder(to_intel_connector(connector)) == &intel_sdvo->base) {
 			drm_connector_unregister(connector);
 			intel_connector_destroy(connector);
 		}
diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
index 3f7b8f2ff671..fca77ec1e0dd 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -583,15 +583,16 @@ skl_program_plane(struct intel_plane *plane,
 	const struct drm_intel_sprite_colorkey *key = &plane_state->ckey;
 	u32 surf_addr = plane_state->color_plane[color_plane].offset;
 	u32 stride = skl_plane_stride(plane_state, color_plane);
-	u32 aux_dist = plane_state->color_plane[1].offset - surf_addr;
-	u32 aux_stride = skl_plane_stride(plane_state, 1);
+	const struct drm_framebuffer *fb = plane_state->hw.fb;
+	int aux_plane = intel_main_to_aux_plane(fb, color_plane);
+	u32 aux_dist = plane_state->color_plane[aux_plane].offset - surf_addr;
+	u32 aux_stride = skl_plane_stride(plane_state, aux_plane);
 	int crtc_x = plane_state->uapi.dst.x1;
 	int crtc_y = plane_state->uapi.dst.y1;
 	u32 x = plane_state->color_plane[color_plane].x;
 	u32 y = plane_state->color_plane[color_plane].y;
 	u32 src_w = drm_rect_width(&plane_state->uapi.src) >> 16;
 	u32 src_h = drm_rect_height(&plane_state->uapi.src) >> 16;
-	const struct drm_framebuffer *fb = plane_state->hw.fb;
 	u8 alpha = plane_state->hw.alpha >> 8;
 	u32 plane_color_ctl = 0;
 	unsigned long irqflags;
@@ -2106,7 +2107,8 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
 	     fb->modifier == I915_FORMAT_MOD_Yf_TILED ||
 	     fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
 	     fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS ||
-	     fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS)) {
+	     fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||
+	     fb->modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS)) {
 		DRM_DEBUG_KMS("Y/Yf tiling not supported in IF-ID mode\n");
 		return -EINVAL;
 	}
@@ -2578,7 +2580,16 @@ static const u64 skl_plane_format_modifiers_ccs[] = {
 	DRM_FORMAT_MOD_INVALID
 };
 
-static const u64 gen12_plane_format_modifiers_ccs[] = {
+static const u64 gen12_plane_format_modifiers_mc_ccs[] = {
+	I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS,
+	I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS,
+	I915_FORMAT_MOD_Y_TILED,
+	I915_FORMAT_MOD_X_TILED,
+	DRM_FORMAT_MOD_LINEAR,
+	DRM_FORMAT_MOD_INVALID
+};
+
+static const u64 gen12_plane_format_modifiers_rc_ccs[] = {
 	I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS,
 	I915_FORMAT_MOD_Y_TILED,
 	I915_FORMAT_MOD_X_TILED,
@@ -2743,10 +2754,21 @@ static bool skl_plane_format_mod_supported(struct drm_plane *_plane,
 	}
 }
 
+static bool gen12_plane_supports_mc_ccs(enum plane_id plane_id)
+{
+	return plane_id < PLANE_SPRITE4;
+}
+
 static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
 					     u32 format, u64 modifier)
 {
+	struct intel_plane *plane = to_intel_plane(_plane);
+
 	switch (modifier) {
+	case I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS:
+		if (!gen12_plane_supports_mc_ccs(plane->id))
+			return false;
+		/* fall through */
 	case DRM_FORMAT_MOD_LINEAR:
 	case I915_FORMAT_MOD_X_TILED:
 	case I915_FORMAT_MOD_Y_TILED:
@@ -2764,11 +2786,6 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
 		if (is_ccs_modifier(modifier))
 			return true;
 		/* fall through */
-	case DRM_FORMAT_RGB565:
-	case DRM_FORMAT_XRGB2101010:
-	case DRM_FORMAT_XBGR2101010:
-	case DRM_FORMAT_ARGB2101010:
-	case DRM_FORMAT_ABGR2101010:
 	case DRM_FORMAT_YUYV:
 	case DRM_FORMAT_YVYU:
 	case DRM_FORMAT_UYVY:
@@ -2777,6 +2794,14 @@ static bool gen12_plane_format_mod_supported(struct drm_plane *_plane,
 	case DRM_FORMAT_P010:
 	case DRM_FORMAT_P012:
 	case DRM_FORMAT_P016:
+		if (modifier == I915_FORMAT_MOD_Y_TILED_GEN12_MC_CCS)
+			return true;
+		/* fall through */
+	case DRM_FORMAT_RGB565:
+	case DRM_FORMAT_XRGB2101010:
+	case DRM_FORMAT_XBGR2101010:
+	case DRM_FORMAT_ARGB2101010:
+	case DRM_FORMAT_ABGR2101010:
 	case DRM_FORMAT_XVYU2101010:
 	case DRM_FORMAT_C8:
 	case DRM_FORMAT_XBGR16161616F:
@@ -2910,6 +2935,14 @@ static const u32 *icl_get_plane_formats(struct drm_i915_private *dev_priv,
 	}
 }
 
+static const u64 *gen12_get_plane_modifiers(enum plane_id plane_id)
+{
+	if (gen12_plane_supports_mc_ccs(plane_id))
+		return gen12_plane_format_modifiers_mc_ccs;
+	else
+		return gen12_plane_format_modifiers_rc_ccs;
+}
+
 static bool skl_plane_has_ccs(struct drm_i915_private *dev_priv,
 			      enum pipe pipe, enum plane_id plane_id)
 {
@@ -2975,7 +3008,7 @@ skl_universal_plane_create(struct drm_i915_private *dev_priv,
 
 	plane->has_ccs = skl_plane_has_ccs(dev_priv, pipe, plane_id);
 	if (INTEL_GEN(dev_priv) >= 12) {
-		modifiers = gen12_plane_format_modifiers_ccs;
+		modifiers = gen12_get_plane_modifiers(plane_id);
 		plane_funcs = &gen12_plane_funcs;
 	} else {
 		if (plane->has_ccs)
diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c
index 50703536436c..c75e0ceecee6 100644
--- a/drivers/gpu/drm/i915/display/intel_tv.c
+++ b/drivers/gpu/drm/i915/display/intel_tv.c
@@ -898,7 +898,7 @@ static struct intel_tv *enc_to_tv(struct intel_encoder *encoder)
 	return container_of(encoder, struct intel_tv, base);
 }
 
-static struct intel_tv *intel_attached_tv(struct drm_connector *connector)
+static struct intel_tv *intel_attached_tv(struct intel_connector *connector)
 {
 	return enc_to_tv(intel_attached_encoder(connector));
 }
@@ -1527,7 +1527,7 @@ static void intel_tv_pre_enable(struct intel_encoder *encoder,
 			   ((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
 			    (video_levels->blank << TV_BLANK_LEVEL_SHIFT)));
 
-	assert_pipe_disabled(dev_priv, intel_crtc->pipe);
+	assert_pipe_disabled(dev_priv, pipe_config->cpu_transcoder);
 
 	/* Filter ctl must be set before TV_WIN_SIZE */
 	tv_filter_ctl = TV_AUTO_SCALE;
@@ -1662,7 +1662,7 @@ intel_tv_detect_type(struct intel_tv *intel_tv,
  */
 static void intel_tv_find_better_format(struct drm_connector *connector)
 {
-	struct intel_tv *intel_tv = intel_attached_tv(connector);
+	struct intel_tv *intel_tv = intel_attached_tv(to_intel_connector(connector));
 	const struct tv_mode *tv_mode = intel_tv_mode_find(connector->state);
 	int i;
 
@@ -1689,7 +1689,7 @@ intel_tv_detect(struct drm_connector *connector,
 		struct drm_modeset_acquire_ctx *ctx,
 		bool force)
 {
-	struct intel_tv *intel_tv = intel_attached_tv(connector);
+	struct intel_tv *intel_tv = intel_attached_tv(to_intel_connector(connector));
 	enum drm_connector_status status;
 	int type;
 
diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 6bab08db5d75..9e6aaa302e40 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -943,7 +943,7 @@ static void intel_dsc_dsi_pps_write(struct intel_encoder *encoder,
 				    const struct intel_crtc_state *crtc_state)
 {
 	const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct mipi_dsi_device *dsi;
 	struct drm_dsc_picture_parameter_set pps;
 	enum port port;
@@ -961,7 +961,7 @@ static void intel_dsc_dsi_pps_write(struct intel_encoder *encoder,
 static void intel_dsc_dp_pps_write(struct intel_encoder *encoder,
 				   const struct intel_crtc_state *crtc_state)
 {
-	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
 	const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config;
 	struct drm_dsc_pps_infoframe dp_dsc_pps_sdp;
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c
index 21e820299107..daf4fc3dab6f 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/display/vlv_dsi.c
@@ -23,7 +23,6 @@
  * Author: Jani Nikula <jani.nikula@intel.com>
  */
 
-#include <linux/gpio/consumer.h>
 #include <linux/slab.h>
 
 #include <drm/drm_atomic_helper.h>
@@ -319,7 +318,7 @@ static int intel_dsi_compute_config(struct intel_encoder *encoder,
 static bool glk_dsi_enable_io(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 tmp;
 	bool cold_boot = false;
@@ -367,7 +366,7 @@ static bool glk_dsi_enable_io(struct intel_encoder *encoder)
 static void glk_dsi_device_ready(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 val;
 
@@ -438,7 +437,7 @@ static void glk_dsi_device_ready(struct intel_encoder *encoder)
 static void bxt_dsi_device_ready(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 val;
 
@@ -465,7 +464,7 @@ static void bxt_dsi_device_ready(struct intel_encoder *encoder)
 static void vlv_dsi_device_ready(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 val;
 
@@ -516,7 +515,7 @@ static void intel_dsi_device_ready(struct intel_encoder *encoder)
 static void glk_dsi_enter_low_power_mode(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 val;
 
@@ -546,7 +545,7 @@ static void glk_dsi_enter_low_power_mode(struct intel_encoder *encoder)
 static void glk_dsi_disable_mipi_io(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 tmp;
 
@@ -579,7 +578,7 @@ static void glk_dsi_clear_device_ready(struct intel_encoder *encoder)
 static void vlv_dsi_clear_device_ready(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
 	DRM_DEBUG_KMS("\n");
@@ -625,7 +624,7 @@ static void intel_dsi_port_enable(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
 	if (intel_dsi->dual_link == DSI_DUAL_LINK_FRONT_BACK) {
@@ -681,7 +680,7 @@ static void intel_dsi_port_disable(struct intel_encoder *encoder)
 {
 	struct drm_device *dev = encoder->base.dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
 	for_each_dsi_port(port, intel_dsi->ports) {
@@ -745,7 +744,7 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder,
 				 const struct intel_crtc_state *pipe_config,
 				 const struct drm_connector_state *conn_state)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct drm_crtc *crtc = pipe_config->uapi.crtc;
 	struct drm_i915_private *dev_priv = to_i915(crtc->dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
@@ -793,9 +792,6 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder,
 	if (!IS_GEMINILAKE(dev_priv))
 		intel_dsi_prepare(encoder, pipe_config);
 
-	/* Power on, try both CRC pmic gpio and VBT */
-	if (intel_dsi->gpio_panel)
-		gpiod_set_value_cansleep(intel_dsi->gpio_panel, 1);
 	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_POWER_ON);
 	intel_dsi_msleep(intel_dsi, intel_dsi->panel_on_delay);
 
@@ -850,7 +846,7 @@ static void intel_dsi_disable(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *old_crtc_state,
 			      const struct drm_connector_state *old_conn_state)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 
 	DRM_DEBUG_KMS("\n");
@@ -886,7 +882,7 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder,
 				   const struct drm_connector_state *old_conn_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 val;
 
@@ -895,7 +891,7 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder,
 	if (IS_GEN9_LP(dev_priv)) {
 		intel_crtc_vblank_off(old_crtc_state);
 
-		skylake_scaler_disable(old_crtc_state);
+		skl_scaler_disable(old_crtc_state);
 	}
 
 	if (is_vid_mode(intel_dsi)) {
@@ -945,11 +941,8 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder,
 	/* Assert reset */
 	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_ASSERT_RESET);
 
-	/* Power off, try both CRC pmic gpio and VBT */
 	intel_dsi_msleep(intel_dsi, intel_dsi->panel_off_delay);
 	intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_POWER_OFF);
-	if (intel_dsi->gpio_panel)
-		gpiod_set_value_cansleep(intel_dsi->gpio_panel, 0);
 
 	/*
 	 * FIXME As we do with eDP, just make a note of the time here
@@ -962,7 +955,7 @@ static bool intel_dsi_get_hw_state(struct intel_encoder *encoder,
 				   enum pipe *pipe)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	intel_wakeref_t wakeref;
 	enum port port;
 	bool active = false;
@@ -1041,7 +1034,7 @@ static void bxt_dsi_get_pipe_config(struct intel_encoder *encoder,
 					&pipe_config->hw.adjusted_mode;
 	struct drm_display_mode *adjusted_mode_sw;
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	unsigned int lane_count = intel_dsi->lane_count;
 	unsigned int bpp, fmt;
 	enum port port;
@@ -1234,7 +1227,7 @@ static void set_dsi_timings(struct drm_encoder *encoder,
 {
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(encoder));
 	enum port port;
 	unsigned int bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format);
 	unsigned int lane_count = intel_dsi->lane_count;
@@ -1322,7 +1315,7 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(encoder));
 	const struct drm_display_mode *adjusted_mode = &pipe_config->hw.adjusted_mode;
 	enum port port;
 	unsigned int bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format);
@@ -1512,7 +1505,7 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder,
 static void intel_dsi_unprepare(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_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 val;
 
@@ -1539,12 +1532,9 @@ static void intel_dsi_unprepare(struct intel_encoder *encoder)
 
 static void intel_dsi_encoder_destroy(struct drm_encoder *encoder)
 {
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
-
-	/* dispose of the gpios */
-	if (intel_dsi->gpio_panel)
-		gpiod_put(intel_dsi->gpio_panel);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(to_intel_encoder(encoder));
 
+	intel_dsi_vbt_gpio_cleanup(intel_dsi);
 	intel_encoder_destroy(encoder);
 }
 
@@ -1825,6 +1815,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 	struct drm_connector *connector;
 	struct drm_display_mode *current_mode, *fixed_mode;
 	enum port port;
+	enum pipe pipe;
 
 	DRM_DEBUG_KMS("\n");
 
@@ -1923,20 +1914,8 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
 
 	vlv_dphy_param_init(intel_dsi);
 
-	/*
-	 * In case of BYT with CRC PMIC, we need to use GPIO for
-	 * Panel control.
-	 */
-	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
-	    (dev_priv->vbt.dsi.config->pwm_blc == PPS_BLC_PMIC)) {
-		intel_dsi->gpio_panel =
-			gpiod_get(dev->dev, "panel", GPIOD_OUT_HIGH);
-
-		if (IS_ERR(intel_dsi->gpio_panel)) {
-			DRM_ERROR("Failed to own gpio for panel control\n");
-			intel_dsi->gpio_panel = NULL;
-		}
-	}
+	intel_dsi_vbt_gpio_init(intel_dsi,
+				intel_dsi_get_hw_state(intel_encoder, &pipe));
 
 	drm_connector_init(dev, connector, &intel_dsi_connector_funcs,
 			   DRM_MODE_CONNECTOR_DSI);
diff --git a/drivers/gpu/drm/i915/display/vlv_dsi_pll.c b/drivers/gpu/drm/i915/display/vlv_dsi_pll.c
index 95f39cd0ce02..6b89e67b120f 100644
--- a/drivers/gpu/drm/i915/display/vlv_dsi_pll.c
+++ b/drivers/gpu/drm/i915/display/vlv_dsi_pll.c
@@ -117,7 +117,7 @@ int vlv_dsi_pll_compute(struct intel_encoder *encoder,
 			struct intel_crtc_state *config)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	int ret;
 	u32 dsi_clk;
 
@@ -255,7 +255,7 @@ u32 vlv_dsi_get_pclk(struct intel_encoder *encoder,
 		     struct intel_crtc_state *config)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	int bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format);
 	u32 dsi_clock, pclk;
 	u32 pll_ctl, pll_div;
@@ -321,7 +321,7 @@ u32 bxt_dsi_get_pclk(struct intel_encoder *encoder,
 	u32 pclk;
 	u32 dsi_clk;
 	u32 dsi_ratio;
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	int bpp = mipi_dsi_pixel_format_to_bpp(intel_dsi->pixel_format);
 
@@ -341,7 +341,7 @@ void vlv_dsi_reset_clocks(struct intel_encoder *encoder, enum port port)
 {
 	u32 temp;
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 
 	temp = I915_READ(MIPI_CTRL(port));
 	temp &= ~ESCAPE_CLOCK_DIVIDER_MASK;
@@ -455,7 +455,7 @@ int bxt_dsi_pll_compute(struct intel_encoder *encoder,
 			struct intel_crtc_state *config)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	u8 dsi_ratio, dsi_ratio_min, dsi_ratio_max;
 	u32 dsi_clk;
 
@@ -503,7 +503,7 @@ void bxt_dsi_pll_enable(struct intel_encoder *encoder,
 			const struct intel_crtc_state *config)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(encoder);
 	enum port port;
 	u32 val;