Merge tag 'drm-intel-next-2021-10-04' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Cross-subsystem Changes:
- fbdev/efifb: Release PCI device's runtime PM ref during FB destr\
oy (Imre)

i915 Core Driver Changes:
- Only access SFC_DONE in media when not fused off for graphics 12 and newer.
- Double Memory latency values from pcode for DG2 (Matt Roper)
- ADL-S PCI ID update (Tejas)
- New DG1 PCI ID (Jose)
- Fix regression with uncore refactoring (Dave)

i915 Display Changes:
- ADL-P display (XE_LPD) fixes and updates (Ankit, Jani, Matt Roper, Anusham, Jose, Imre, Vandita)
- DG2 display fixes (Ankit, Jani)
- Expand PCH_CNP tweaked display workaround to all newer displays (Anshuman)
- General display simplifications and clean-ups (Jani, Swati, Jose, Ville)
- PSR Clean-ups, dropping support for BDW/HSD and enable PSR2 selective fetch by default (Jose, Gwan-gyeong)
- Nuke ORIGIN_GTT (Jose)
- Return proper DPRX link training result (Lee)
- FBC related refactor and fixes (Ville)
- Yet another attempt to solve the fast+narrow vs slow+wide eDP link training (Kai-Heng)
- DP 2.0 preparation work (Jani)
- Silence __iomem sparse warn (Ville)
- Clean up DPLL stuff (Ville)
- Fix various dp/edp max rates (Matt Atwood, Animesh, Jani)
- Remove VBT ddi_port_info caching (Jani)
- DSI driver improvements (Lee)
- HDCP fixes (Juston)
- Associate ACPI connector nodes with connector entries (Heikki)
- Add support for out-of-bound hotplug events (Hans)
- VESA vendor block and drm/i915 MSO use of it (Jani)
- Fixes for bigjoiner (Ville)
- Update memory bandwidth parameters (RK)
- DMC related fixes (Chris, Jose)
- HDR related fixes and improvements (Tejas)
- g4x/vlv/chv CxSR/wm fixes/cleanups (Ville)
- Use BIOS provided value for RKL Audio's HDA link (Kai-Heng)
- Fix the dsc check while selecting min_cdclk (Vandita)
- Split and constify vtable (Dave)
- Add ww context to intel_dpt_pin (Maarten)
- Fix bdb version check (Lukasz)
- DP per-lane drive settings prep work and other DP fixes (Ville)
Signed-off-by: Dave Airlie <airlied@redhat.com>

# gpg: Signature made Tue 05 Oct 2021 04:58:16 AEST
# gpg:                using RSA key 6D207068EEDD65091C2CE2A3FA625F640EEB13CA
# gpg: Good signature from "Rodrigo Vivi <rodrigo.vivi@intel.com>" [unknown]
# gpg:                 aka "Rodrigo Vivi <rodrigo.vivi@gmail.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6D20 7068 EEDD 6509 1C2C  E2A3 FA62 5F64 0EEB 13CA
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YVtPk6llsxBFiw7W@intel.com

Documentation/gpu/i915.rst

@@ -183,26 +183,23 @@ Frame Buffer Compression (FBC)
 Display Refresh Rate Switching (DRRS)
 -------------------------------------
 
-.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c
    :doc: Display Refresh Rate Switching (DRRS)
 
-.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
-   :functions: intel_dp_set_drrs_state
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c
+   :functions: intel_drrs_enable
 
-.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
-   :functions: intel_edp_drrs_enable
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c
+   :functions: intel_drrs_disable
 
-.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
-   :functions: intel_edp_drrs_disable
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c
+   :functions: intel_drrs_invalidate
 
-.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
-   :functions: intel_edp_drrs_invalidate
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c
+   :functions: intel_drrs_flush
 
-.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
-   :functions: intel_edp_drrs_flush
-
-.. kernel-doc:: drivers/gpu/drm/i915/display/intel_dp.c
-   :functions: intel_dp_drrs_init
+.. kernel-doc:: drivers/gpu/drm/i915/display/intel_drrs.c
+   :functions: intel_drrs_init
 
 DPIO
 ----

drivers/gpu/drm/drm_dp_helper.c

@@ -130,6 +130,20 @@ u8 drm_dp_get_adjust_request_pre_emphasis(const u8 link_status[DP_LINK_STATUS_SI
 }
 EXPORT_SYMBOL(drm_dp_get_adjust_request_pre_emphasis);
 
+/* DP 2.0 128b/132b */
+u8 drm_dp_get_adjust_tx_ffe_preset(const u8 link_status[DP_LINK_STATUS_SIZE],
+				   int lane)
+{
+	int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
+	int s = ((lane & 1) ?
+		 DP_ADJUST_TX_FFE_PRESET_LANE1_SHIFT :
+		 DP_ADJUST_TX_FFE_PRESET_LANE0_SHIFT);
+	u8 l = dp_link_status(link_status, i);
+
+	return (l >> s) & 0xf;
+}
+EXPORT_SYMBOL(drm_dp_get_adjust_tx_ffe_preset);
+
 u8 drm_dp_get_adjust_request_post_cursor(const u8 link_status[DP_LINK_STATUS_SIZE],
 					 unsigned int lane)
 {
@@ -207,15 +221,33 @@ EXPORT_SYMBOL(drm_dp_lttpr_link_train_channel_eq_delay);
 
 u8 drm_dp_link_rate_to_bw_code(int link_rate)
 {
-	/* Spec says link_bw = link_rate / 0.27Gbps */
-	return link_rate / 27000;
+	switch (link_rate) {
+	case 1000000:
+		return DP_LINK_BW_10;
+	case 1350000:
+		return DP_LINK_BW_13_5;
+	case 2000000:
+		return DP_LINK_BW_20;
+	default:
+		/* Spec says link_bw = link_rate / 0.27Gbps */
+		return link_rate / 27000;
+	}
 }
 EXPORT_SYMBOL(drm_dp_link_rate_to_bw_code);
 
 int drm_dp_bw_code_to_link_rate(u8 link_bw)
 {
-	/* Spec says link_rate = link_bw * 0.27Gbps */
-	return link_bw * 27000;
+	switch (link_bw) {
+	case DP_LINK_BW_10:
+		return 1000000;
+	case DP_LINK_BW_13_5:
+		return 1350000;
+	case DP_LINK_BW_20:
+		return 2000000;
+	default:
+		/* Spec says link_rate = link_bw * 0.27Gbps */
+		return link_bw * 27000;
+	}
 }
 EXPORT_SYMBOL(drm_dp_bw_code_to_link_rate);
 
@@ -590,7 +622,7 @@ static u8 drm_dp_downstream_port_count(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 static int drm_dp_read_extended_dpcd_caps(struct drm_dp_aux *aux,
 					  u8 dpcd[DP_RECEIVER_CAP_SIZE])
 {
-	u8 dpcd_ext[6];
+	u8 dpcd_ext[DP_RECEIVER_CAP_SIZE];
 	int ret;
 
 	/*

drivers/gpu/drm/drm_edid.c

@@ -28,6 +28,7 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include <linux/bitfield.h>
 #include <linux/hdmi.h>
 #include <linux/i2c.h>
 #include <linux/kernel.h>
@@ -49,6 +50,11 @@
 	(((edid)->version > (maj)) || \
 	 ((edid)->version == (maj) && (edid)->revision > (min)))
 
+static int oui(u8 first, u8 second, u8 third)
+{
+	return (first << 16) | (second << 8) | third;
+}
+
 #define EDID_EST_TIMINGS 16
 #define EDID_STD_TIMINGS 8
 #define EDID_DETAILED_TIMINGS 4
@@ -4187,32 +4193,24 @@ cea_db_offsets(const u8 *cea, int *start, int *end)
 
 static bool cea_db_is_hdmi_vsdb(const u8 *db)
 {
-	int hdmi_id;
-
 	if (cea_db_tag(db) != VENDOR_BLOCK)
 		return false;
 
 	if (cea_db_payload_len(db) < 5)
 		return false;
 
-	hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
-
-	return hdmi_id == HDMI_IEEE_OUI;
+	return oui(db[3], db[2], db[1]) == HDMI_IEEE_OUI;
 }
 
 static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
 {
-	unsigned int oui;
-
 	if (cea_db_tag(db) != VENDOR_BLOCK)
 		return false;
 
 	if (cea_db_payload_len(db) < 7)
 		return false;
 
-	oui = db[3] << 16 | db[2] << 8 | db[1];
-
-	return oui == HDMI_FORUM_IEEE_OUI;
+	return oui(db[3], db[2], db[1]) == HDMI_FORUM_IEEE_OUI;
 }
 
 static bool cea_db_is_vcdb(const u8 *db)
@@ -5222,6 +5220,71 @@ void drm_get_monitor_range(struct drm_connector *connector,
 		      info->monitor_range.max_vfreq);
 }
 
+static void drm_parse_vesa_mso_data(struct drm_connector *connector,
+				    const struct displayid_block *block)
+{
+	struct displayid_vesa_vendor_specific_block *vesa =
+		(struct displayid_vesa_vendor_specific_block *)block;
+	struct drm_display_info *info = &connector->display_info;
+
+	if (block->num_bytes < 3) {
+		drm_dbg_kms(connector->dev, "Unexpected vendor block size %u\n",
+			    block->num_bytes);
+		return;
+	}
+
+	if (oui(vesa->oui[0], vesa->oui[1], vesa->oui[2]) != VESA_IEEE_OUI)
+		return;
+
+	if (sizeof(*vesa) != sizeof(*block) + block->num_bytes) {
+		drm_dbg_kms(connector->dev, "Unexpected VESA vendor block size\n");
+		return;
+	}
+
+	switch (FIELD_GET(DISPLAYID_VESA_MSO_MODE, vesa->mso)) {
+	default:
+		drm_dbg_kms(connector->dev, "Reserved MSO mode value\n");
+		fallthrough;
+	case 0:
+		info->mso_stream_count = 0;
+		break;
+	case 1:
+		info->mso_stream_count = 2; /* 2 or 4 links */
+		break;
+	case 2:
+		info->mso_stream_count = 4; /* 4 links */
+		break;
+	}
+
+	if (!info->mso_stream_count) {
+		info->mso_pixel_overlap = 0;
+		return;
+	}
+
+	info->mso_pixel_overlap = FIELD_GET(DISPLAYID_VESA_MSO_OVERLAP, vesa->mso);
+	if (info->mso_pixel_overlap > 8) {
+		drm_dbg_kms(connector->dev, "Reserved MSO pixel overlap value %u\n",
+			    info->mso_pixel_overlap);
+		info->mso_pixel_overlap = 8;
+	}
+
+	drm_dbg_kms(connector->dev, "MSO stream count %u, pixel overlap %u\n",
+		    info->mso_stream_count, info->mso_pixel_overlap);
+}
+
+static void drm_update_mso(struct drm_connector *connector, const struct edid *edid)
+{
+	const struct displayid_block *block;
+	struct displayid_iter iter;
+
+	displayid_iter_edid_begin(edid, &iter);
+	displayid_iter_for_each(block, &iter) {
+		if (block->tag == DATA_BLOCK_2_VENDOR_SPECIFIC)
+			drm_parse_vesa_mso_data(connector, block);
+	}
+	displayid_iter_end(&iter);
+}
+
 /* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
  * all of the values which would have been set from EDID
  */
@@ -5245,6 +5308,9 @@ drm_reset_display_info(struct drm_connector *connector)
 
 	info->non_desktop = 0;
 	memset(&info->monitor_range, 0, sizeof(info->monitor_range));
+
+	info->mso_stream_count = 0;
+	info->mso_pixel_overlap = 0;
 }
 
 u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
@@ -5323,6 +5389,9 @@ u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edi
 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
 	if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
 		info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
+
+	drm_update_mso(connector, edid);
+
 	return quirks;
 }
 

drivers/gpu/drm/i915/Makefile

@@ -211,6 +211,8 @@ i915-y += \
 	display/intel_dpio_phy.o \
 	display/intel_dpll.o \
 	display/intel_dpll_mgr.o \
+	display/intel_dpt.o \
+	display/intel_drrs.o \
 	display/intel_dsb.o \
 	display/intel_fb.o \
 	display/intel_fbc.o \
@@ -247,6 +249,7 @@ i915-y += \
 	display/g4x_dp.o \
 	display/g4x_hdmi.o \
 	display/icl_dsi.o \
+	display/intel_backlight.o \
 	display/intel_crt.o \
 	display/intel_ddi.o \
 	display/intel_ddi_buf_trans.o \

drivers/gpu/drm/i915/display/g4x_dp.c

@@ -7,6 +7,7 @@
 
 #include "g4x_dp.h"
 #include "intel_audio.h"
+#include "intel_backlight.h"
 #include "intel_connector.h"
 #include "intel_de.h"
 #include "intel_display_types.h"
@@ -16,7 +17,6 @@
 #include "intel_fifo_underrun.h"
 #include "intel_hdmi.h"
 #include "intel_hotplug.h"
-#include "intel_panel.h"
 #include "intel_pps.h"
 #include "intel_sideband.h"
 
@@ -211,7 +211,7 @@ static void ilk_edp_pll_on(struct intel_dp *intel_dp,
 	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, pipe_config->cpu_transcoder);
+	assert_transcoder_disabled(dev_priv, pipe_config->cpu_transcoder);
 	assert_dp_port_disabled(intel_dp);
 	assert_edp_pll_disabled(dev_priv);
 
@@ -251,7 +251,7 @@ static void ilk_edp_pll_off(struct intel_dp *intel_dp,
 	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, old_crtc_state->cpu_transcoder);
+	assert_transcoder_disabled(dev_priv, old_crtc_state->cpu_transcoder);
 	assert_dp_port_disabled(intel_dp);
 	assert_edp_pll_enabled(dev_priv);
 
@@ -426,7 +426,6 @@ intel_dp_link_down(struct intel_encoder *encoder,
 	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;
 
 	if (drm_WARN_ON(&dev_priv->drm,
 			(intel_de_read(dev_priv, intel_dp->output_reg) &
@@ -437,17 +436,17 @@ intel_dp_link_down(struct intel_encoder *encoder,
 
 	if ((IS_IVYBRIDGE(dev_priv) && port == PORT_A) ||
 	    (HAS_PCH_CPT(dev_priv) && port != PORT_A)) {
-		DP &= ~DP_LINK_TRAIN_MASK_CPT;
-		DP |= DP_LINK_TRAIN_PAT_IDLE_CPT;
+		intel_dp->DP &= ~DP_LINK_TRAIN_MASK_CPT;
+		intel_dp->DP |= DP_LINK_TRAIN_PAT_IDLE_CPT;
 	} else {
-		DP &= ~DP_LINK_TRAIN_MASK;
-		DP |= DP_LINK_TRAIN_PAT_IDLE;
+		intel_dp->DP &= ~DP_LINK_TRAIN_MASK;
+		intel_dp->DP |= DP_LINK_TRAIN_PAT_IDLE;
 	}
-	intel_de_write(dev_priv, intel_dp->output_reg, DP);
+	intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
 	intel_de_posting_read(dev_priv, intel_dp->output_reg);
 
-	DP &= ~(DP_PORT_EN | DP_AUDIO_OUTPUT_ENABLE);
-	intel_de_write(dev_priv, intel_dp->output_reg, DP);
+	intel_dp->DP &= ~(DP_PORT_EN | DP_AUDIO_OUTPUT_ENABLE);
+	intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
 	intel_de_posting_read(dev_priv, intel_dp->output_reg);
 
 	/*
@@ -464,14 +463,14 @@ intel_dp_link_down(struct intel_encoder *encoder,
 		intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false);
 
 		/* always enable with pattern 1 (as per spec) */
-		DP &= ~(DP_PIPE_SEL_MASK | DP_LINK_TRAIN_MASK);
-		DP |= DP_PORT_EN | DP_PIPE_SEL(PIPE_A) |
+		intel_dp->DP &= ~(DP_PIPE_SEL_MASK | DP_LINK_TRAIN_MASK);
+		intel_dp->DP |= DP_PORT_EN | DP_PIPE_SEL(PIPE_A) |
 			DP_LINK_TRAIN_PAT_1;
-		intel_de_write(dev_priv, intel_dp->output_reg, DP);
+		intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
 		intel_de_posting_read(dev_priv, intel_dp->output_reg);
 
-		DP &= ~DP_PORT_EN;
-		intel_de_write(dev_priv, intel_dp->output_reg, DP);
+		intel_dp->DP &= ~DP_PORT_EN;
+		intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
 		intel_de_posting_read(dev_priv, intel_dp->output_reg);
 
 		intel_wait_for_vblank_if_active(dev_priv, PIPE_A);
@@ -481,8 +480,6 @@ intel_dp_link_down(struct intel_encoder *encoder,
 
 	msleep(intel_dp->pps.panel_power_down_delay);
 
-	intel_dp->DP = DP;
-
 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
 		intel_wakeref_t wakeref;
 
@@ -582,19 +579,18 @@ cpt_set_link_train(struct intel_dp *intel_dp,
 		   u8 dp_train_pat)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
-	u32 *DP = &intel_dp->DP;
 
-	*DP &= ~DP_LINK_TRAIN_MASK_CPT;
+	intel_dp->DP &= ~DP_LINK_TRAIN_MASK_CPT;
 
 	switch (intel_dp_training_pattern_symbol(dp_train_pat)) {
 	case DP_TRAINING_PATTERN_DISABLE:
-		*DP |= DP_LINK_TRAIN_OFF_CPT;
+		intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
 		break;
 	case DP_TRAINING_PATTERN_1:
-		*DP |= DP_LINK_TRAIN_PAT_1_CPT;
+		intel_dp->DP |= DP_LINK_TRAIN_PAT_1_CPT;
 		break;
 	case DP_TRAINING_PATTERN_2:
-		*DP |= DP_LINK_TRAIN_PAT_2_CPT;
+		intel_dp->DP |= DP_LINK_TRAIN_PAT_2_CPT;
 		break;
 	default:
 		MISSING_CASE(intel_dp_training_pattern_symbol(dp_train_pat));
@@ -611,19 +607,18 @@ g4x_set_link_train(struct intel_dp *intel_dp,
 		   u8 dp_train_pat)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
-	u32 *DP = &intel_dp->DP;
 
-	*DP &= ~DP_LINK_TRAIN_MASK;
+	intel_dp->DP &= ~DP_LINK_TRAIN_MASK;
 
 	switch (intel_dp_training_pattern_symbol(dp_train_pat)) {
 	case DP_TRAINING_PATTERN_DISABLE:
-		*DP |= DP_LINK_TRAIN_OFF;
+		intel_dp->DP |= DP_LINK_TRAIN_OFF;
 		break;
 	case DP_TRAINING_PATTERN_1:
-		*DP |= DP_LINK_TRAIN_PAT_1;
+		intel_dp->DP |= DP_LINK_TRAIN_PAT_1;
 		break;
 	case DP_TRAINING_PATTERN_2:
-		*DP |= DP_LINK_TRAIN_PAT_2;
+		intel_dp->DP |= DP_LINK_TRAIN_PAT_2;
 		break;
 	default:
 		MISSING_CASE(intel_dp_training_pattern_symbol(dp_train_pat));
@@ -813,10 +808,10 @@ static u8 intel_dp_preemph_max_3(struct intel_dp *intel_dp)
 	return DP_TRAIN_PRE_EMPH_LEVEL_3;
 }
 
-static void vlv_set_signal_levels(struct intel_dp *intel_dp,
+static void vlv_set_signal_levels(struct intel_encoder *encoder,
 				  const struct intel_crtc_state *crtc_state)
 {
-	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	unsigned long demph_reg_value, preemph_reg_value,
 		uniqtranscale_reg_value;
 	u8 train_set = intel_dp->train_set[0];
@@ -899,10 +894,10 @@ static void vlv_set_signal_levels(struct intel_dp *intel_dp,
 				 uniqtranscale_reg_value, 0);
 }
 
-static void chv_set_signal_levels(struct intel_dp *intel_dp,
+static void chv_set_signal_levels(struct intel_encoder *encoder,
 				  const struct intel_crtc_state *crtc_state)
 {
-	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	u32 deemph_reg_value, margin_reg_value;
 	bool uniq_trans_scale = false;
 	u8 train_set = intel_dp->train_set[0];
@@ -1020,10 +1015,11 @@ static u32 g4x_signal_levels(u8 train_set)
 }
 
 static void
-g4x_set_signal_levels(struct intel_dp *intel_dp,
+g4x_set_signal_levels(struct intel_encoder *encoder,
 		      const struct intel_crtc_state *crtc_state)
 {
-	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	u8 train_set = intel_dp->train_set[0];
 	u32 signal_levels;
 
@@ -1067,10 +1063,11 @@ static u32 snb_cpu_edp_signal_levels(u8 train_set)
 }
 
 static void
-snb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp,
+snb_cpu_edp_set_signal_levels(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *crtc_state)
 {
-	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	u8 train_set = intel_dp->train_set[0];
 	u32 signal_levels;
 
@@ -1118,10 +1115,11 @@ static u32 ivb_cpu_edp_signal_levels(u8 train_set)
 }
 
 static void
-ivb_cpu_edp_set_signal_levels(struct intel_dp *intel_dp,
+ivb_cpu_edp_set_signal_levels(struct intel_encoder *encoder,
 			      const struct intel_crtc_state *crtc_state)
 {
-	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	u8 train_set = intel_dp->train_set[0];
 	u32 signal_levels;
 
@@ -1334,7 +1332,7 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv,
 	intel_encoder->get_config = intel_dp_get_config;
 	intel_encoder->sync_state = intel_dp_sync_state;
 	intel_encoder->initial_fastset_check = intel_dp_initial_fastset_check;
-	intel_encoder->update_pipe = intel_panel_update_backlight;
+	intel_encoder->update_pipe = intel_backlight_update;
 	intel_encoder->suspend = intel_dp_encoder_suspend;
 	intel_encoder->shutdown = intel_dp_encoder_shutdown;
 	if (IS_CHERRYVIEW(dev_priv)) {
@@ -1364,15 +1362,15 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv,
 		dig_port->dp.set_link_train = g4x_set_link_train;
 
 	if (IS_CHERRYVIEW(dev_priv))
-		dig_port->dp.set_signal_levels = chv_set_signal_levels;
+		intel_encoder->set_signal_levels = chv_set_signal_levels;
 	else if (IS_VALLEYVIEW(dev_priv))
-		dig_port->dp.set_signal_levels = vlv_set_signal_levels;
+		intel_encoder->set_signal_levels = vlv_set_signal_levels;
 	else if (IS_IVYBRIDGE(dev_priv) && port == PORT_A)
-		dig_port->dp.set_signal_levels = ivb_cpu_edp_set_signal_levels;
+		intel_encoder->set_signal_levels = ivb_cpu_edp_set_signal_levels;
 	else if (IS_SANDYBRIDGE(dev_priv) && port == PORT_A)
-		dig_port->dp.set_signal_levels = snb_cpu_edp_set_signal_levels;
+		intel_encoder->set_signal_levels = snb_cpu_edp_set_signal_levels;
 	else
-		dig_port->dp.set_signal_levels = g4x_set_signal_levels;
+		intel_encoder->set_signal_levels = g4x_set_signal_levels;
 
 	if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv) ||
 	    (HAS_PCH_SPLIT(dev_priv) && port != PORT_A)) {

drivers/gpu/drm/i915/display/intel_acpi.c

@@ -282,3 +282,49 @@ void intel_acpi_device_id_update(struct drm_i915_private *dev_priv)
 	}
 	drm_connector_list_iter_end(&conn_iter);
 }
+
+/* NOTE: The connector order must be final before this is called. */
+void intel_acpi_assign_connector_fwnodes(struct drm_i915_private *i915)
+{
+	struct drm_connector_list_iter conn_iter;
+	struct drm_device *drm_dev = &i915->drm;
+	struct fwnode_handle *fwnode = NULL;
+	struct drm_connector *connector;
+	struct acpi_device *adev;
+
+	drm_connector_list_iter_begin(drm_dev, &conn_iter);
+	drm_for_each_connector_iter(connector, &conn_iter) {
+		/* Always getting the next, even when the last was not used. */
+		fwnode = device_get_next_child_node(drm_dev->dev, fwnode);
+		if (!fwnode)
+			break;
+
+		switch (connector->connector_type) {
+		case DRM_MODE_CONNECTOR_LVDS:
+		case DRM_MODE_CONNECTOR_eDP:
+		case DRM_MODE_CONNECTOR_DSI:
+			/*
+			 * Integrated displays have a specific address 0x1f on
+			 * most Intel platforms, but not on all of them.
+			 */
+			adev = acpi_find_child_device(ACPI_COMPANION(drm_dev->dev),
+						      0x1f, 0);
+			if (adev) {
+				connector->fwnode =
+					fwnode_handle_get(acpi_fwnode_handle(adev));
+				break;
+			}
+			fallthrough;
+		default:
+			connector->fwnode = fwnode_handle_get(fwnode);
+			break;
+		}
+	}
+	drm_connector_list_iter_end(&conn_iter);
+	/*
+	 * device_get_next_child_node() takes a reference on the fwnode, if
+	 * we stopped iterating because we are out of connectors we need to
+	 * put this, otherwise fwnode is NULL and the put is a no-op.
+	 */
+	fwnode_handle_put(fwnode);
+}

drivers/gpu/drm/i915/display/intel_acpi.h

@@ -13,6 +13,7 @@ void intel_register_dsm_handler(void);
 void intel_unregister_dsm_handler(void);
 void intel_dsm_get_bios_data_funcs_supported(struct drm_i915_private *i915);
 void intel_acpi_device_id_update(struct drm_i915_private *i915);
+void intel_acpi_assign_connector_fwnodes(struct drm_i915_private *i915);
 #else
 static inline void intel_register_dsm_handler(void) { return; }
 static inline void intel_unregister_dsm_handler(void) { return; }
@@ -20,6 +21,8 @@ static inline
 void intel_dsm_get_bios_data_funcs_supported(struct drm_i915_private *i915) { return; }
 static inline
 void intel_acpi_device_id_update(struct drm_i915_private *i915) { return; }
+static inline
+void intel_acpi_assign_connector_fwnodes(struct drm_i915_private *i915) { return; }
 #endif /* CONFIG_ACPI */
 
 #endif /* __INTEL_ACPI_H__ */

drivers/gpu/drm/i915/display/intel_audio.c

@@ -848,10 +848,10 @@ void intel_audio_codec_enable(struct intel_encoder *encoder,
 
 	connector->eld[6] = drm_av_sync_delay(connector, adjusted_mode) / 2;
 
-	if (dev_priv->display.audio_codec_enable)
-		dev_priv->display.audio_codec_enable(encoder,
-						     crtc_state,
-						     conn_state);
+	if (dev_priv->audio_funcs)
+		dev_priv->audio_funcs->audio_codec_enable(encoder,
+							  crtc_state,
+							  conn_state);
 
 	mutex_lock(&dev_priv->av_mutex);
 	encoder->audio_connector = connector;
@@ -893,10 +893,10 @@ void intel_audio_codec_disable(struct intel_encoder *encoder,
 	enum port port = encoder->port;
 	enum pipe pipe = crtc->pipe;
 
-	if (dev_priv->display.audio_codec_disable)
-		dev_priv->display.audio_codec_disable(encoder,
-						      old_crtc_state,
-						      old_conn_state);
+	if (dev_priv->audio_funcs)
+		dev_priv->audio_funcs->audio_codec_disable(encoder,
+							   old_crtc_state,
+							   old_conn_state);
 
 	mutex_lock(&dev_priv->av_mutex);
 	encoder->audio_connector = NULL;
@@ -915,6 +915,21 @@ void intel_audio_codec_disable(struct intel_encoder *encoder,
 	intel_lpe_audio_notify(dev_priv, pipe, port, NULL, 0, false);
 }
 
+static const struct intel_audio_funcs g4x_audio_funcs = {
+	.audio_codec_enable = g4x_audio_codec_enable,
+	.audio_codec_disable = g4x_audio_codec_disable,
+};
+
+static const struct intel_audio_funcs ilk_audio_funcs = {
+	.audio_codec_enable = ilk_audio_codec_enable,
+	.audio_codec_disable = ilk_audio_codec_disable,
+};
+
+static const struct intel_audio_funcs hsw_audio_funcs = {
+	.audio_codec_enable = hsw_audio_codec_enable,
+	.audio_codec_disable = hsw_audio_codec_disable,
+};
+
 /**
  * intel_init_audio_hooks - Set up chip specific audio hooks
  * @dev_priv: device private
@@ -922,17 +937,13 @@ void intel_audio_codec_disable(struct intel_encoder *encoder,
 void intel_init_audio_hooks(struct drm_i915_private *dev_priv)
 {
 	if (IS_G4X(dev_priv)) {
-		dev_priv->display.audio_codec_enable = g4x_audio_codec_enable;
-		dev_priv->display.audio_codec_disable = g4x_audio_codec_disable;
+		dev_priv->audio_funcs = &g4x_audio_funcs;
 	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
-		dev_priv->display.audio_codec_enable = ilk_audio_codec_enable;
-		dev_priv->display.audio_codec_disable = ilk_audio_codec_disable;
+		dev_priv->audio_funcs = &ilk_audio_funcs;
 	} else if (IS_HASWELL(dev_priv) || DISPLAY_VER(dev_priv) >= 8) {
-		dev_priv->display.audio_codec_enable = hsw_audio_codec_enable;
-		dev_priv->display.audio_codec_disable = hsw_audio_codec_disable;
+		dev_priv->audio_funcs = &hsw_audio_funcs;
 	} else if (HAS_PCH_SPLIT(dev_priv)) {
-		dev_priv->display.audio_codec_enable = ilk_audio_codec_enable;
-		dev_priv->display.audio_codec_disable = ilk_audio_codec_disable;
+		dev_priv->audio_funcs = &ilk_audio_funcs;
 	}
 }
 
@@ -1308,8 +1319,9 @@ static void i915_audio_component_init(struct drm_i915_private *dev_priv)
 		else
 			aud_freq = aud_freq_init;
 
-		/* use BIOS provided value for TGL unless it is a known bad value */
-		if (IS_TIGERLAKE(dev_priv) && aud_freq_init != AUD_FREQ_TGL_BROKEN)
+		/* use BIOS provided value for TGL and RKL unless it is a known bad value */
+		if ((IS_TIGERLAKE(dev_priv) || IS_ROCKETLAKE(dev_priv)) &&
+		    aud_freq_init != AUD_FREQ_TGL_BROKEN)
 			aud_freq = aud_freq_init;
 
 		drm_dbg_kms(&dev_priv->drm, "use AUD_FREQ_CNTRL of 0x%x (init value 0x%x)\n",

drivers/gpu/drm/i915/display/intel_backlight.h

+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#ifndef __INTEL_BACKLIGHT_H__
+#define __INTEL_BACKLIGHT_H__
+
+#include <linux/types.h>
+
+struct drm_connector_state;
+struct intel_atomic_state;
+struct intel_connector;
+struct intel_crtc_state;
+struct intel_encoder;
+struct intel_panel;
+enum pipe;
+
+void intel_backlight_init_funcs(struct intel_panel *panel);
+int intel_backlight_setup(struct intel_connector *connector, enum pipe pipe);
+void intel_backlight_destroy(struct intel_panel *panel);
+
+void intel_backlight_enable(const struct intel_crtc_state *crtc_state,
+			    const struct drm_connector_state *conn_state);
+void intel_backlight_update(struct intel_atomic_state *state,
+			    struct intel_encoder *encoder,
+			    const struct intel_crtc_state *crtc_state,
+			    const struct drm_connector_state *conn_state);
+void intel_backlight_disable(const struct drm_connector_state *old_conn_state);
+
+void intel_backlight_set_acpi(const struct drm_connector_state *conn_state,
+			      u32 level, u32 max);
+void intel_backlight_set_pwm_level(const struct drm_connector_state *conn_state,
+				   u32 level);
+u32 intel_backlight_invert_pwm_level(struct intel_connector *connector, u32 level);
+u32 intel_backlight_level_to_pwm(struct intel_connector *connector, u32 level);
+u32 intel_backlight_level_from_pwm(struct intel_connector *connector, u32 val);
+
+#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)
+int intel_backlight_device_register(struct intel_connector *connector);
+void intel_backlight_device_unregister(struct intel_connector *connector);
+#else /* CONFIG_BACKLIGHT_CLASS_DEVICE */
+static inline int intel_backlight_device_register(struct intel_connector *connector)
+{
+	return 0;
+}
+static inline void intel_backlight_device_unregister(struct intel_connector *connector)
+{
+}
+#endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */
+
+#endif /* __INTEL_BACKLIGHT_H__ */

drivers/gpu/drm/i915/display/intel_bw.c

@@ -222,31 +222,42 @@ static int icl_sagv_max_dclk(const struct intel_qgv_info *qi)
 
 struct intel_sa_info {
 	u16 displayrtids;
-	u8 deburst, deprogbwlimit;
+	u8 deburst, deprogbwlimit, derating;
 };
 
 static const struct intel_sa_info icl_sa_info = {
 	.deburst = 8,
 	.deprogbwlimit = 25, /* GB/s */
 	.displayrtids = 128,
+	.derating = 10,
 };
 
 static const struct intel_sa_info tgl_sa_info = {
 	.deburst = 16,
 	.deprogbwlimit = 34, /* GB/s */
 	.displayrtids = 256,
+	.derating = 10,
 };
 
 static const struct intel_sa_info rkl_sa_info = {
 	.deburst = 16,
 	.deprogbwlimit = 20, /* GB/s */
 	.displayrtids = 128,
+	.derating = 10,
 };
 
 static const struct intel_sa_info adls_sa_info = {
 	.deburst = 16,
 	.deprogbwlimit = 38, /* GB/s */
 	.displayrtids = 256,
+	.derating = 10,
+};
+
+static const struct intel_sa_info adlp_sa_info = {
+	.deburst = 16,
+	.deprogbwlimit = 38, /* GB/s */
+	.displayrtids = 256,
+	.derating = 20,
 };
 
 static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel_sa_info *sa)
@@ -302,7 +313,7 @@ static int icl_get_bw_info(struct drm_i915_private *dev_priv, const struct intel
 			bw = icl_calc_bw(sp->dclk, clpchgroup * 32 * num_channels, ct);
 
 			bi->deratedbw[j] = min(maxdebw,
-					       bw * 9 / 10); /* 90% */
+					       bw * (100 - sa->derating) / 100);
 
 			drm_dbg_kms(&dev_priv->drm,
 				    "BW%d / QGV %d: num_planes=%d deratedbw=%u\n",
@@ -400,7 +411,9 @@ void intel_bw_init_hw(struct drm_i915_private *dev_priv)
 
 	if (IS_DG2(dev_priv))
 		dg2_get_bw_info(dev_priv);
-	else if (IS_ALDERLAKE_S(dev_priv) || IS_ALDERLAKE_P(dev_priv))
+	else if (IS_ALDERLAKE_P(dev_priv))
+		icl_get_bw_info(dev_priv, &adlp_sa_info);
+	else if (IS_ALDERLAKE_S(dev_priv))
 		icl_get_bw_info(dev_priv, &adls_sa_info);
 	else if (IS_ROCKETLAKE(dev_priv))
 		icl_get_bw_info(dev_priv, &rkl_sa_info);

drivers/gpu/drm/i915/display/intel_cdclk.h

@@ -68,7 +68,9 @@ void intel_set_cdclk_post_plane_update(struct intel_atomic_state *state);
 void intel_dump_cdclk_config(const struct intel_cdclk_config *cdclk_config,
 			     const char *context);
 int intel_modeset_calc_cdclk(struct intel_atomic_state *state);
-
+void intel_cdclk_get_cdclk(struct drm_i915_private *dev_priv,
+			   struct intel_cdclk_config *cdclk_config);
+int intel_cdclk_bw_calc_min_cdclk(struct intel_atomic_state *state);
 struct intel_cdclk_state *
 intel_atomic_get_cdclk_state(struct intel_atomic_state *state);
 

drivers/gpu/drm/i915/display/intel_color.c

@@ -25,6 +25,8 @@
 #include "intel_color.h"
 #include "intel_de.h"
 #include "intel_display_types.h"
+#include "intel_dpll.h"
+#include "intel_dsi.h"
 
 #define CTM_COEFF_SIGN	(1ULL << 63)
 
@@ -1137,14 +1139,14 @@ void intel_color_load_luts(const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
 
-	dev_priv->display.load_luts(crtc_state);
+	dev_priv->color_funcs->load_luts(crtc_state);
 }
 
 void intel_color_commit(const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
 
-	dev_priv->display.color_commit(crtc_state);
+	dev_priv->color_funcs->color_commit(crtc_state);
 }
 
 static bool intel_can_preload_luts(const struct intel_crtc_state *new_crtc_state)
@@ -1200,15 +1202,15 @@ int intel_color_check(struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
 
-	return dev_priv->display.color_check(crtc_state);
+	return dev_priv->color_funcs->color_check(crtc_state);
 }
 
 void intel_color_get_config(struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
 
-	if (dev_priv->display.read_luts)
-		dev_priv->display.read_luts(crtc_state);
+	if (dev_priv->color_funcs->read_luts)
+		dev_priv->color_funcs->read_luts(crtc_state);
 }
 
 static bool need_plane_update(struct intel_plane *plane,
@@ -2092,6 +2094,76 @@ static void icl_read_luts(struct intel_crtc_state *crtc_state)
 	}
 }
 
+static const struct intel_color_funcs chv_color_funcs = {
+	.color_check = chv_color_check,
+	.color_commit = i9xx_color_commit,
+	.load_luts = chv_load_luts,
+	.read_luts = chv_read_luts,
+};
+
+static const struct intel_color_funcs i965_color_funcs = {
+	.color_check = i9xx_color_check,
+	.color_commit = i9xx_color_commit,
+	.load_luts = i965_load_luts,
+	.read_luts = i965_read_luts,
+};
+
+static const struct intel_color_funcs i9xx_color_funcs = {
+	.color_check = i9xx_color_check,
+	.color_commit = i9xx_color_commit,
+	.load_luts = i9xx_load_luts,
+	.read_luts = i9xx_read_luts,
+};
+
+static const struct intel_color_funcs icl_color_funcs = {
+	.color_check = icl_color_check,
+	.color_commit = skl_color_commit,
+	.load_luts = icl_load_luts,
+	.read_luts = icl_read_luts,
+};
+
+static const struct intel_color_funcs glk_color_funcs = {
+	.color_check = glk_color_check,
+	.color_commit = skl_color_commit,
+	.load_luts = glk_load_luts,
+	.read_luts = glk_read_luts,
+};
+
+static const struct intel_color_funcs skl_color_funcs = {
+	.color_check = ivb_color_check,
+	.color_commit = skl_color_commit,
+	.load_luts = bdw_load_luts,
+	.read_luts = NULL,
+};
+
+static const struct intel_color_funcs bdw_color_funcs = {
+	.color_check = ivb_color_check,
+	.color_commit = hsw_color_commit,
+	.load_luts = bdw_load_luts,
+	.read_luts = NULL,
+};
+
+static const struct intel_color_funcs hsw_color_funcs = {
+	.color_check = ivb_color_check,
+	.color_commit = hsw_color_commit,
+	.load_luts = ivb_load_luts,
+	.read_luts = NULL,
+};
+
+static const struct intel_color_funcs ivb_color_funcs = {
+	.color_check = ivb_color_check,
+	.color_commit = ilk_color_commit,
+	.load_luts = ivb_load_luts,
+	.read_luts = NULL,
+};
+
+static const struct intel_color_funcs ilk_color_funcs = {
+	.color_check = ilk_color_check,
+	.color_commit = ilk_color_commit,
+	.load_luts = ilk_load_luts,
+	.read_luts = ilk_read_luts,
+};
+
 void intel_color_init(struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
@@ -2101,52 +2173,28 @@ void intel_color_init(struct intel_crtc *crtc)
 
 	if (HAS_GMCH(dev_priv)) {
 		if (IS_CHERRYVIEW(dev_priv)) {
-			dev_priv->display.color_check = chv_color_check;
-			dev_priv->display.color_commit = i9xx_color_commit;
-			dev_priv->display.load_luts = chv_load_luts;
-			dev_priv->display.read_luts = chv_read_luts;
+			dev_priv->color_funcs = &chv_color_funcs;
 		} else if (DISPLAY_VER(dev_priv) >= 4) {
-			dev_priv->display.color_check = i9xx_color_check;
-			dev_priv->display.color_commit = i9xx_color_commit;
-			dev_priv->display.load_luts = i965_load_luts;
-			dev_priv->display.read_luts = i965_read_luts;
+			dev_priv->color_funcs = &i965_color_funcs;
 		} else {
-			dev_priv->display.color_check = i9xx_color_check;
-			dev_priv->display.color_commit = i9xx_color_commit;
-			dev_priv->display.load_luts = i9xx_load_luts;
-			dev_priv->display.read_luts = i9xx_read_luts;
+			dev_priv->color_funcs = &i9xx_color_funcs;
 		}
 	} else {
 		if (DISPLAY_VER(dev_priv) >= 11)
-			dev_priv->display.color_check = icl_color_check;
-		else if (DISPLAY_VER(dev_priv) >= 10)
-			dev_priv->display.color_check = glk_color_check;
-		else if (DISPLAY_VER(dev_priv) >= 7)
-			dev_priv->display.color_check = ivb_color_check;
-		else
-			dev_priv->display.color_check = ilk_color_check;
-
-		if (DISPLAY_VER(dev_priv) >= 9)
-			dev_priv->display.color_commit = skl_color_commit;
-		else if (IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
-			dev_priv->display.color_commit = hsw_color_commit;
-		else
-			dev_priv->display.color_commit = ilk_color_commit;
-
-		if (DISPLAY_VER(dev_priv) >= 11) {
-			dev_priv->display.load_luts = icl_load_luts;
-			dev_priv->display.read_luts = icl_read_luts;
-		} else if (DISPLAY_VER(dev_priv) == 10) {
-			dev_priv->display.load_luts = glk_load_luts;
-			dev_priv->display.read_luts = glk_read_luts;
-		} else if (DISPLAY_VER(dev_priv) >= 8) {
-			dev_priv->display.load_luts = bdw_load_luts;
-		} else if (DISPLAY_VER(dev_priv) >= 7) {
-			dev_priv->display.load_luts = ivb_load_luts;
-		} else {
-			dev_priv->display.load_luts = ilk_load_luts;
-			dev_priv->display.read_luts = ilk_read_luts;
-		}
+			dev_priv->color_funcs = &icl_color_funcs;
+		else if (DISPLAY_VER(dev_priv) == 10)
+			dev_priv->color_funcs = &glk_color_funcs;
+		else if (DISPLAY_VER(dev_priv) == 9)
+			dev_priv->color_funcs = &skl_color_funcs;
+		else if (DISPLAY_VER(dev_priv) == 8)
+			dev_priv->color_funcs = &bdw_color_funcs;
+		else if (DISPLAY_VER(dev_priv) == 7) {
+			if (IS_HASWELL(dev_priv))
+				dev_priv->color_funcs = &hsw_color_funcs;
+			else
+				dev_priv->color_funcs = &ivb_color_funcs;
+		} else
+			dev_priv->color_funcs = &ilk_color_funcs;
 	}
 
 	drm_crtc_enable_color_mgmt(&crtc->base,

drivers/gpu/drm/i915/display/intel_connector.c

@@ -29,13 +29,13 @@
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_edid.h>
 
-#include "display/intel_panel.h"
-
 #include "i915_drv.h"
+#include "intel_backlight.h"
 #include "intel_connector.h"
 #include "intel_display_debugfs.h"
 #include "intel_display_types.h"
 #include "intel_hdcp.h"
+#include "intel_panel.h"
 
 int intel_connector_init(struct intel_connector *connector)
 {
@@ -124,7 +124,7 @@ int intel_connector_register(struct drm_connector *connector)
 		goto err_backlight;
 	}
 
-	intel_connector_debugfs_add(connector);
+	intel_connector_debugfs_add(intel_connector);
 
 	return 0;
 

drivers/gpu/drm/i915/display/intel_crt.c

@@ -251,7 +251,7 @@ static void hsw_post_disable_crt(struct intel_atomic_state *state,
 
 	intel_crtc_vblank_off(old_crtc_state);
 
-	intel_disable_pipe(old_crtc_state);
+	intel_disable_transcoder(old_crtc_state);
 
 	intel_ddi_disable_transcoder_func(old_crtc_state);
 
@@ -314,7 +314,7 @@ static void hsw_enable_crt(struct intel_atomic_state *state,
 
 	intel_ddi_enable_transcoder_func(encoder, crtc_state);
 
-	intel_enable_pipe(crtc_state);
+	intel_enable_transcoder(crtc_state);
 
 	lpt_pch_enable(crtc_state);
 

drivers/gpu/drm/i915/display/intel_cursor.c

@@ -536,8 +536,10 @@ static void i9xx_update_cursor(struct intel_plane *plane,
 	if (DISPLAY_VER(dev_priv) >= 9)
 		skl_write_cursor_wm(plane, crtc_state);
 
-	if (!intel_crtc_needs_modeset(crtc_state))
+	if (plane_state)
 		intel_psr2_program_plane_sel_fetch(plane, crtc_state, plane_state, 0);
+	else
+		intel_psr2_disable_plane_sel_fetch(plane, crtc_state);
 
 	if (plane->cursor.base != base ||
 	    plane->cursor.size != fbc_ctl ||
@@ -637,8 +639,7 @@ intel_legacy_cursor_update(struct drm_plane *_plane,
 	 * FIXME bigjoiner fastpath would be good
 	 */
 	if (!crtc_state->hw.active || intel_crtc_needs_modeset(crtc_state) ||
-	    crtc_state->update_pipe || crtc_state->bigjoiner ||
-	    crtc_state->enable_psr2_sel_fetch)
+	    crtc_state->update_pipe || crtc_state->bigjoiner)
 		goto slow;
 
 	/*
@@ -696,7 +697,7 @@ intel_legacy_cursor_update(struct drm_plane *_plane,
 		goto out_free;
 
 	intel_frontbuffer_flush(to_intel_frontbuffer(new_plane_state->hw.fb),
-				ORIGIN_FLIP);
+				ORIGIN_CURSOR_UPDATE);
 	intel_frontbuffer_track(to_intel_frontbuffer(old_plane_state->hw.fb),
 				to_intel_frontbuffer(new_plane_state->hw.fb),
 				plane->frontbuffer_bit);

drivers/gpu/drm/i915/display/intel_ddi.h

@@ -59,13 +59,12 @@ void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state,
 				    bool state);
 void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv,
 					 struct intel_crtc_state *crtc_state);
-u32 bxt_signal_levels(struct intel_dp *intel_dp,
-		      const struct intel_crtc_state *crtc_state);
-u32 ddi_signal_levels(struct intel_dp *intel_dp,
-		      const struct intel_crtc_state *crtc_state);
 int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder,
 			       enum transcoder cpu_transcoder,
 			       bool enable, u32 hdcp_mask);
 void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder);
+int intel_ddi_level(struct intel_encoder *encoder,
+		    const struct intel_crtc_state *crtc_state,
+		    int lane);
 
 #endif /* __INTEL_DDI_H__ */

drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h

@@ -45,12 +45,19 @@ struct tgl_dkl_phy_ddi_buf_trans {
 	u32 dkl_de_emphasis_control;
 };
 
+struct dg2_snps_phy_buf_trans {
+	u8 snps_vswing;
+	u8 snps_pre_cursor;
+	u8 snps_post_cursor;
+};
+
 union intel_ddi_buf_trans_entry {
 	struct hsw_ddi_buf_trans hsw;
 	struct bxt_ddi_buf_trans bxt;
 	struct icl_ddi_buf_trans icl;
 	struct icl_mg_phy_ddi_buf_trans mg;
 	struct tgl_dkl_phy_ddi_buf_trans dkl;
+	struct dg2_snps_phy_buf_trans snps;
 };
 
 struct intel_ddi_buf_trans {
@@ -61,10 +68,6 @@ struct intel_ddi_buf_trans {
 
 bool is_hobl_buf_trans(const struct intel_ddi_buf_trans *table);
 
-int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder,
-			       const struct intel_crtc_state *crtc_state,
-			       int *default_entry);
-
 void intel_ddi_buf_trans_init(struct intel_encoder *encoder);
 
 #endif

drivers/gpu/drm/i915/display/intel_display.h

@@ -270,6 +270,7 @@ enum tc_port {
 };
 
 enum tc_port_mode {
+	TC_PORT_DISCONNECTED,
 	TC_PORT_TBT_ALT,
 	TC_PORT_DP_ALT,
 	TC_PORT_LEGACY,
@@ -531,8 +532,8 @@ enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port);
 bool is_trans_port_sync_mode(const struct intel_crtc_state *state);
 
 void intel_plane_destroy(struct drm_plane *plane);
-void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state);
-void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state);
+void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state);
+void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state);
 void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
 void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
 enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc);
@@ -548,8 +549,6 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv);
 unsigned int intel_fb_xy_to_linear(int x, int y,
 				   const struct intel_plane_state *state,
 				   int plane);
-unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
-				   int color_plane, unsigned int height);
 void intel_add_fb_offsets(int *x, int *y,
 			  const struct intel_plane_state *state, int plane);
 unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info);
@@ -630,10 +629,6 @@ struct intel_encoder *
 intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
 			   const struct intel_crtc_state *crtc_state);
 
-unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
-				  int color_plane);
-unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane);
-
 void intel_display_driver_register(struct drm_i915_private *i915);
 void intel_display_driver_unregister(struct drm_i915_private *i915);
 
@@ -650,23 +645,10 @@ void intel_init_pch_refclk(struct drm_i915_private *dev_priv);
 int intel_modeset_all_pipes(struct intel_atomic_state *state);
 
 /* modesetting asserts */
-void assert_panel_unlocked(struct drm_i915_private *dev_priv,
-			   enum pipe pipe);
-void assert_pll(struct drm_i915_private *dev_priv,
-		enum pipe pipe, bool state);
-#define assert_pll_enabled(d, p) assert_pll(d, p, true)
-#define assert_pll_disabled(d, p) assert_pll(d, p, false)
-void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state);
-#define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true)
-#define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false)
-void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
-		       enum pipe pipe, bool state);
-#define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
-#define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
-void assert_pipe(struct drm_i915_private *dev_priv,
-		 enum transcoder cpu_transcoder, bool state);
-#define assert_pipe_enabled(d, t) assert_pipe(d, t, true)
-#define assert_pipe_disabled(d, t) assert_pipe(d, t, false)
+void assert_transcoder(struct drm_i915_private *dev_priv,
+		       enum transcoder cpu_transcoder, bool state);
+#define assert_transcoder_enabled(d, t) assert_transcoder(d, t, true)
+#define assert_transcoder_disabled(d, t) assert_transcoder(d, t, false)
 
 /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
  * WARN_ON()) for hw state sanity checks to check for unexpected conditions

drivers/gpu/drm/i915/display/intel_display_debugfs.c

@@ -13,6 +13,7 @@
 #include "intel_display_types.h"
 #include "intel_dmc.h"
 #include "intel_dp.h"
+#include "intel_drrs.h"
 #include "intel_fbc.h"
 #include "intel_hdcp.h"
 #include "intel_hdmi.h"
@@ -1323,9 +1324,6 @@ static int i915_drrs_status(struct seq_file *m, void *unused)
 	return 0;
 }
 
-#define LPSP_STATUS(COND) (COND ? seq_puts(m, "LPSP: enabled\n") : \
-				seq_puts(m, "LPSP: disabled\n"))
-
 static bool
 intel_lpsp_power_well_enabled(struct drm_i915_private *i915,
 			      enum i915_power_well_id power_well_id)
@@ -1344,32 +1342,20 @@ intel_lpsp_power_well_enabled(struct drm_i915_private *i915,
 static int i915_lpsp_status(struct seq_file *m, void *unused)
 {
 	struct drm_i915_private *i915 = node_to_i915(m->private);
-
-	if (DISPLAY_VER(i915) >= 13) {
-		LPSP_STATUS(!intel_lpsp_power_well_enabled(i915,
-							   SKL_DISP_PW_2));
+	bool lpsp_enabled = false;
+
+	if (DISPLAY_VER(i915) >= 13 || IS_DISPLAY_VER(i915, 9, 10)) {
+		lpsp_enabled = !intel_lpsp_power_well_enabled(i915, SKL_DISP_PW_2);
+	} else if (IS_DISPLAY_VER(i915, 11, 12)) {
+		lpsp_enabled = !intel_lpsp_power_well_enabled(i915, ICL_DISP_PW_3);
+	} else if (IS_HASWELL(i915) || IS_BROADWELL(i915)) {
+		lpsp_enabled = !intel_lpsp_power_well_enabled(i915, HSW_DISP_PW_GLOBAL);
+	} else {
+		seq_puts(m, "LPSP: not supported\n");
 		return 0;
 	}
 
-	switch (DISPLAY_VER(i915)) {
-	case 12:
-	case 11:
-		LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, ICL_DISP_PW_3));
-		break;
-	case 10:
-	case 9:
-		LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, SKL_DISP_PW_2));
-		break;
-	default:
-		/*
-		 * Apart from HASWELL/BROADWELL other legacy platform doesn't
-		 * support lpsp.
-		 */
-		if (IS_HASWELL(i915) || IS_BROADWELL(i915))
-			LPSP_STATUS(!intel_lpsp_power_well_enabled(i915, HSW_DISP_PW_GLOBAL));
-		else
-			seq_puts(m, "LPSP: not supported\n");
-	}
+	seq_printf(m, "LPSP: %s\n", enableddisabled(lpsp_enabled));
 
 	return 0;
 }
@@ -2044,11 +2030,9 @@ static int i915_drrs_ctl_set(void *data, u64 val)
 
 			intel_dp = enc_to_intel_dp(encoder);
 			if (val)
-				intel_edp_drrs_enable(intel_dp,
-						      crtc_state);
+				intel_drrs_enable(intel_dp, crtc_state);
 			else
-				intel_edp_drrs_disable(intel_dp,
-						       crtc_state);
+				intel_drrs_disable(intel_dp, crtc_state);
 		}
 		drm_connector_list_iter_end(&conn_iter);
 
@@ -2240,14 +2224,12 @@ static int i915_psr_status_show(struct seq_file *m, void *data)
 }
 DEFINE_SHOW_ATTRIBUTE(i915_psr_status);
 
-#define LPSP_CAPABLE(COND) (COND ? seq_puts(m, "LPSP: capable\n") : \
-				seq_puts(m, "LPSP: incapable\n"))
-
 static int i915_lpsp_capability_show(struct seq_file *m, void *data)
 {
 	struct drm_connector *connector = m->private;
 	struct drm_i915_private *i915 = to_i915(connector->dev);
 	struct intel_encoder *encoder;
+	bool lpsp_capable = false;
 
 	encoder = intel_attached_encoder(to_intel_connector(connector));
 	if (!encoder)
@@ -2256,35 +2238,27 @@ static int i915_lpsp_capability_show(struct seq_file *m, void *data)
 	if (connector->status != connector_status_connected)
 		return -ENODEV;
 
-	if (DISPLAY_VER(i915) >= 13) {
-		LPSP_CAPABLE(encoder->port <= PORT_B);
-		return 0;
-	}
-
-	switch (DISPLAY_VER(i915)) {
-	case 12:
+	if (DISPLAY_VER(i915) >= 13)
+		lpsp_capable = encoder->port <= PORT_B;
+	else if (DISPLAY_VER(i915) >= 12)
 		/*
 		 * Actually TGL can drive LPSP on port till DDI_C
 		 * but there is no physical connected DDI_C on TGL sku's,
 		 * even driver is not initilizing DDI_C port for gen12.
 		 */
-		LPSP_CAPABLE(encoder->port <= PORT_B);
-		break;
-	case 11:
-		LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
-			     connector->connector_type == DRM_MODE_CONNECTOR_eDP);
-		break;
-	case 10:
-	case 9:
-		LPSP_CAPABLE(encoder->port == PORT_A &&
-			     (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
-			     connector->connector_type == DRM_MODE_CONNECTOR_eDP  ||
-			     connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort));
-		break;
-	default:
-		if (IS_HASWELL(i915) || IS_BROADWELL(i915))
-			LPSP_CAPABLE(connector->connector_type == DRM_MODE_CONNECTOR_eDP);
-	}
+		lpsp_capable = encoder->port <= PORT_B;
+	else if (DISPLAY_VER(i915) == 11)
+		lpsp_capable = (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
+				connector->connector_type == DRM_MODE_CONNECTOR_eDP);
+	else if (IS_DISPLAY_VER(i915, 9, 10))
+		lpsp_capable = (encoder->port == PORT_A &&
+				(connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
+				 connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+				 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort));
+	else if (IS_HASWELL(i915) || IS_BROADWELL(i915))
+		lpsp_capable = connector->connector_type == DRM_MODE_CONNECTOR_eDP;
+
+	seq_printf(m, "LPSP: %s\n", lpsp_capable ? "capable" : "incapable");
 
 	return 0;
 }
@@ -2468,17 +2442,16 @@ static const struct file_operations i915_dsc_bpp_fops = {
  *
  * Cleanup will be done by drm_connector_unregister() through a call to
  * drm_debugfs_connector_remove().
- *
- * Returns 0 on success, negative error codes on error.
  */
-int intel_connector_debugfs_add(struct drm_connector *connector)
+void intel_connector_debugfs_add(struct intel_connector *intel_connector)
 {
+	struct drm_connector *connector = &intel_connector->base;
 	struct dentry *root = connector->debugfs_entry;
 	struct drm_i915_private *dev_priv = to_i915(connector->dev);
 
 	/* The connector must have been registered beforehands. */
 	if (!root)
-		return -ENODEV;
+		return;
 
 	if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
 		debugfs_create_file("i915_panel_timings", S_IRUGO, root,
@@ -2511,33 +2484,23 @@ int intel_connector_debugfs_add(struct drm_connector *connector)
 				    connector, &i915_dsc_bpp_fops);
 	}
 
-	/* Legacy panels doesn't lpsp on any platform */
-	if ((DISPLAY_VER(dev_priv) >= 9 || IS_HASWELL(dev_priv) ||
-	     IS_BROADWELL(dev_priv)) &&
-	     (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
-	     connector->connector_type == DRM_MODE_CONNECTOR_HDMIB))
+	if (connector->connector_type == DRM_MODE_CONNECTOR_DSI ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
+	    connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)
 		debugfs_create_file("i915_lpsp_capability", 0444, root,
 				    connector, &i915_lpsp_capability_fops);
-
-	return 0;
 }
 
 /**
  * intel_crtc_debugfs_add - add i915 specific crtc debugfs files
  * @crtc: pointer to a drm_crtc
  *
- * Returns 0 on success, negative error codes on error.
- *
  * Failure to add debugfs entries should generally be ignored.
  */
-int intel_crtc_debugfs_add(struct drm_crtc *crtc)
+void intel_crtc_debugfs_add(struct drm_crtc *crtc)
 {
-	if (!crtc->debugfs_entry)
-		return -ENODEV;
-
-	crtc_updates_add(crtc);
-	return 0;
+	if (crtc->debugfs_entry)
+		crtc_updates_add(crtc);
 }

drivers/gpu/drm/i915/display/intel_display_debugfs.h

@@ -6,18 +6,18 @@
 #ifndef __INTEL_DISPLAY_DEBUGFS_H__
 #define __INTEL_DISPLAY_DEBUGFS_H__
 
-struct drm_connector;
 struct drm_crtc;
 struct drm_i915_private;
+struct intel_connector;
 
 #ifdef CONFIG_DEBUG_FS
 void intel_display_debugfs_register(struct drm_i915_private *i915);
-int intel_connector_debugfs_add(struct drm_connector *connector);
-int intel_crtc_debugfs_add(struct drm_crtc *crtc);
+void intel_connector_debugfs_add(struct intel_connector *connector);
+void intel_crtc_debugfs_add(struct drm_crtc *crtc);
 #else
 static inline void intel_display_debugfs_register(struct drm_i915_private *i915) {}
-static inline int intel_connector_debugfs_add(struct drm_connector *connector) { return 0; }
-static inline int intel_crtc_debugfs_add(struct drm_crtc *crtc) { return 0; }
+static inline void intel_connector_debugfs_add(struct intel_connector *connector) {}
+static inline void intel_crtc_debugfs_add(struct drm_crtc *crtc) {}
 #endif
 
 #endif /* __INTEL_DISPLAY_DEBUGFS_H__ */

drivers/gpu/drm/i915/display/intel_display_power.c

@@ -9,11 +9,12 @@
 #include "i915_irq.h"
 #include "intel_cdclk.h"
 #include "intel_combo_phy.h"
-#include "intel_display_power.h"
 #include "intel_de.h"
+#include "intel_display_power.h"
 #include "intel_display_types.h"
 #include "intel_dmc.h"
 #include "intel_dpio_phy.h"
+#include "intel_dpll.h"
 #include "intel_hotplug.h"
 #include "intel_pm.h"
 #include "intel_pps.h"
@@ -560,7 +561,7 @@ static void icl_tc_port_assert_ref_held(struct drm_i915_private *dev_priv,
 	if (drm_WARN_ON(&dev_priv->drm, !dig_port))
 		return;
 
-	if (DISPLAY_VER(dev_priv) == 11 && dig_port->tc_legacy_port)
+	if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port))
 		return;
 
 	drm_WARN_ON(&dev_priv->drm, !intel_tc_port_ref_held(dig_port));
@@ -629,7 +630,7 @@ icl_tc_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
 	 * exit sequence.
 	 */
 	timeout_expected = is_tbt || intel_tc_cold_requires_aux_pw(dig_port);
-	if (DISPLAY_VER(dev_priv) == 11 && dig_port->tc_legacy_port)
+	if (DISPLAY_VER(dev_priv) == 11 && intel_tc_cold_requires_aux_pw(dig_port))
 		icl_tc_cold_exit(dev_priv);
 
 	hsw_wait_for_power_well_enable(dev_priv, power_well, timeout_expected);
@@ -1195,7 +1196,7 @@ static void gen9_disable_dc_states(struct drm_i915_private *dev_priv)
 	if (!HAS_DISPLAY(dev_priv))
 		return;
 
-	dev_priv->display.get_cdclk(dev_priv, &cdclk_config);
+	intel_cdclk_get_cdclk(dev_priv, &cdclk_config);
 	/* Can't read out voltage_level so can't use intel_cdclk_changed() */
 	drm_WARN_ON(&dev_priv->drm,
 		    intel_cdclk_needs_modeset(&dev_priv->cdclk.hw,

drivers/gpu/drm/i915/display/intel_display_power.h

@@ -410,6 +410,10 @@ void gen9_dbuf_slices_update(struct drm_i915_private *dev_priv,
 	for ((wf) = intel_display_power_get((i915), (domain)); (wf); \
 	     intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0)
 
+#define with_intel_display_power_if_enabled(i915, domain, wf) \
+	for ((wf) = intel_display_power_get_if_enabled((i915), (domain)); (wf); \
+	     intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0)
+
 void chv_phy_powergate_lanes(struct intel_encoder *encoder,
 			     bool override, unsigned int mask);
 bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy,

drivers/gpu/drm/i915/display/intel_display_types.h

@@ -103,8 +103,6 @@ struct intel_fb_view {
 	 * in the rotated and remapped GTT view all no-CCS formats (up to 2
 	 * color planes) are supported.
 	 *
-	 * TODO: add support for CCS formats in the remapped GTT view.
-	 *
 	 * The view information shared by all FB color planes in the FB,
 	 * like dst x/y and src/dst width, is stored separately in
 	 * intel_plane_state.
@@ -271,6 +269,9 @@ struct intel_encoder {
 	const struct intel_ddi_buf_trans *(*get_buf_trans)(struct intel_encoder *encoder,
 							   const struct intel_crtc_state *crtc_state,
 							   int *n_entries);
+	void (*set_signal_levels)(struct intel_encoder *encoder,
+				  const struct intel_crtc_state *crtc_state);
+
 	enum hpd_pin hpd_pin;
 	enum intel_display_power_domain power_domain;
 	/* for communication with audio component; protected by av_mutex */
@@ -428,10 +429,6 @@ struct intel_hdcp_shim {
 	int (*hdcp_2_2_capable)(struct intel_digital_port *dig_port,
 				bool *capable);
 
-	/* Detects whether a HDCP 1.4 sink connected in MST topology */
-	int (*streams_type1_capable)(struct intel_connector *connector,
-				     bool *capable);
-
 	/* Write HDCP2.2 messages */
 	int (*write_2_2_msg)(struct intel_digital_port *dig_port,
 			     void *buf, size_t size);
@@ -1060,12 +1057,14 @@ struct intel_crtc_state {
 	struct intel_link_m_n dp_m2_n2;
 	bool has_drrs;
 
+	/* PSR is supported but might not be enabled due the lack of enabled planes */
 	bool has_psr;
 	bool has_psr2;
 	bool enable_psr2_sel_fetch;
 	bool req_psr2_sdp_prior_scanline;
 	u32 dc3co_exitline;
 	u16 su_y_granularity;
+	struct drm_dp_vsc_sdp psr_vsc;
 
 	/*
 	 * Frequence the dpll for the port should run at. Differs from the
@@ -1529,7 +1528,6 @@ struct intel_psr {
 	u32 dc3co_exitline;
 	u32 dc3co_exit_delay;
 	struct delayed_work dc3co_work;
-	struct drm_dp_vsc_sdp vsc;
 };
 
 struct intel_dp {
@@ -1606,8 +1604,6 @@ struct intel_dp {
 			       u8 dp_train_pat);
 	void (*set_idle_link_train)(struct intel_dp *intel_dp,
 				    const struct intel_crtc_state *crtc_state);
-	void (*set_signal_levels)(struct intel_dp *intel_dp,
-				  const struct intel_crtc_state *crtc_state);
 
 	u8 (*preemph_max)(struct intel_dp *intel_dp);
 	u8 (*voltage_max)(struct intel_dp *intel_dp,
@@ -1667,8 +1663,11 @@ struct intel_digital_port {
 	enum intel_display_power_domain ddi_io_power_domain;
 	intel_wakeref_t ddi_io_wakeref;
 	intel_wakeref_t aux_wakeref;
+
 	struct mutex tc_lock;	/* protects the TypeC port mode */
 	intel_wakeref_t tc_lock_wakeref;
+	enum intel_display_power_domain tc_lock_power_domain;
+	struct delayed_work tc_disconnect_phy_work;
 	int tc_link_refcount;
 	bool tc_legacy_port:1;
 	char tc_port_name[8];
@@ -1684,6 +1683,8 @@ struct intel_digital_port {
 	bool hdcp_auth_status;
 	/* HDCP port data need to pass to security f/w */
 	struct hdcp_port_data hdcp_port_data;
+	/* Whether the MST topology supports HDCP Type 1 Content */
+	bool hdcp_mst_type1_capable;
 
 	void (*write_infoframe)(struct intel_encoder *encoder,
 				const struct intel_crtc_state *crtc_state,
@@ -2035,28 +2036,6 @@ to_intel_frontbuffer(struct drm_framebuffer *fb)
 	return fb ? to_intel_framebuffer(fb)->frontbuffer : NULL;
 }
 
-static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
-{
-	if (dev_priv->params.panel_use_ssc >= 0)
-		return dev_priv->params.panel_use_ssc != 0;
-	return dev_priv->vbt.lvds_use_ssc
-		&& !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE);
-}
-
-static inline u32 i9xx_dpll_compute_fp(struct dpll *dpll)
-{
-	return dpll->n << 16 | dpll->m1 << 8 | dpll->m2;
-}
-
-static inline u32 intel_fdi_link_freq(struct drm_i915_private *dev_priv,
-				      const struct intel_crtc_state *pipe_config)
-{
-	if (HAS_DDI(dev_priv))
-		return pipe_config->port_clock; /* SPLL */
-	else
-		return dev_priv->fdi_pll_freq;
-}
-
 static inline bool is_ccs_modifier(u64 modifier)
 {
 	return modifier == I915_FORMAT_MOD_Y_TILED_GEN12_RC_CCS ||

drivers/gpu/drm/i915/display/intel_dmc.c

@@ -45,8 +45,8 @@
 
 #define GEN12_DMC_MAX_FW_SIZE		ICL_DMC_MAX_FW_SIZE
 
-#define ADLP_DMC_PATH			DMC_PATH(adlp, 2, 10)
-#define ADLP_DMC_VERSION_REQUIRED	DMC_VERSION(2, 10)
+#define ADLP_DMC_PATH			DMC_PATH(adlp, 2, 12)
+#define ADLP_DMC_VERSION_REQUIRED	DMC_VERSION(2, 12)
 MODULE_FIRMWARE(ADLP_DMC_PATH);
 
 #define ADLS_DMC_PATH			DMC_PATH(adls, 2, 01)
@@ -255,20 +255,10 @@ intel_get_stepping_info(struct drm_i915_private *i915,
 
 static void gen9_set_dc_state_debugmask(struct drm_i915_private *dev_priv)
 {
-	u32 val, mask;
-
-	mask = DC_STATE_DEBUG_MASK_MEMORY_UP;
-
-	if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv))
-		mask |= DC_STATE_DEBUG_MASK_CORES;
-
 	/* The below bit doesn't need to be cleared ever afterwards */
-	val = intel_de_read(dev_priv, DC_STATE_DEBUG);
-	if ((val & mask) != mask) {
-		val |= mask;
-		intel_de_write(dev_priv, DC_STATE_DEBUG, val);
-		intel_de_posting_read(dev_priv, DC_STATE_DEBUG);
-	}
+	intel_de_rmw(dev_priv, DC_STATE_DEBUG, 0,
+		     DC_STATE_DEBUG_MASK_CORES | DC_STATE_DEBUG_MASK_MEMORY_UP);
+	intel_de_posting_read(dev_priv, DC_STATE_DEBUG);
 }
 
 /**
@@ -805,11 +795,14 @@ void intel_dmc_ucode_resume(struct drm_i915_private *dev_priv)
  */
 void intel_dmc_ucode_fini(struct drm_i915_private *dev_priv)
 {
+	int id;
+
 	if (!HAS_DMC(dev_priv))
 		return;
 
 	intel_dmc_ucode_suspend(dev_priv);
 	drm_WARN_ON(&dev_priv->drm, dev_priv->dmc.wakeref);
 
-	kfree(dev_priv->dmc.dmc_info[DMC_FW_MAIN].payload);
+	for (id = 0; id < DMC_FW_MAX; id++)
+		kfree(dev_priv->dmc.dmc_info[id].payload);
 }

drivers/gpu/drm/i915/display/intel_dp.h

@@ -26,7 +26,7 @@ struct intel_dp;
 struct intel_encoder;
 
 struct link_config_limits {
-	int min_clock, max_clock;
+	int min_rate, max_rate;
 	int min_lane_count, max_lane_count;
 	int min_bpp, max_bpp;
 };
@@ -58,6 +58,7 @@ int intel_dp_compute_config(struct intel_encoder *encoder,
 			    struct intel_crtc_state *pipe_config,
 			    struct drm_connector_state *conn_state);
 bool intel_dp_is_edp(struct intel_dp *intel_dp);
+bool intel_dp_is_uhbr(const struct intel_crtc_state *crtc_state);
 bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port);
 enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *dig_port,
 				  bool long_hpd);
@@ -70,25 +71,14 @@ int intel_dp_max_link_rate(struct intel_dp *intel_dp);
 int intel_dp_max_lane_count(struct intel_dp *intel_dp);
 int intel_dp_rate_select(struct intel_dp *intel_dp, int rate);
 
-void intel_edp_drrs_enable(struct intel_dp *intel_dp,
-			   const struct intel_crtc_state *crtc_state);
-void intel_edp_drrs_disable(struct intel_dp *intel_dp,
-			    const struct intel_crtc_state *crtc_state);
-void intel_edp_drrs_update(struct intel_dp *intel_dp,
-			   const struct intel_crtc_state *crtc_state);
-void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv,
-			       unsigned int frontbuffer_bits);
-void intel_edp_drrs_flush(struct drm_i915_private *dev_priv,
-			  unsigned int frontbuffer_bits);
-
 void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock,
 			   u8 *link_bw, u8 *rate_select);
-bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp);
-bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp);
+bool intel_dp_source_supports_tps3(struct drm_i915_private *i915);
+bool intel_dp_source_supports_tps4(struct drm_i915_private *i915);
 
 bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp);
 int intel_dp_link_required(int pixel_clock, int bpp);
-int intel_dp_max_data_rate(int max_link_clock, int max_lanes);
+int intel_dp_max_data_rate(int max_link_rate, int max_lanes);
 bool intel_dp_can_bigjoiner(struct intel_dp *intel_dp);
 bool intel_dp_needs_vsc_sdp(const struct intel_crtc_state *crtc_state,
 			    const struct drm_connector_state *conn_state);
@@ -98,7 +88,7 @@ void intel_dp_compute_psr_vsc_sdp(struct intel_dp *intel_dp,
 				  struct drm_dp_vsc_sdp *vsc);
 void intel_write_dp_vsc_sdp(struct intel_encoder *encoder,
 			    const struct intel_crtc_state *crtc_state,
-			    struct drm_dp_vsc_sdp *vsc);
+			    const struct drm_dp_vsc_sdp *vsc);
 void intel_dp_set_infoframes(struct intel_encoder *encoder, bool enable,
 			     const struct intel_crtc_state *crtc_state,
 			     const struct drm_connector_state *conn_state);

drivers/gpu/drm/i915/display/intel_dp_aux.c

@@ -150,9 +150,6 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp,
 				u32 unused)
 {
 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
-	struct drm_i915_private *i915 =
-			to_i915(dig_port->base.base.dev);
-	enum phy phy = intel_port_to_phy(i915, dig_port->base.port);
 	u32 ret;
 
 	/*
@@ -170,8 +167,7 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp,
 	      DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) |
 	      DP_AUX_CH_CTL_SYNC_PULSE_SKL(32);
 
-	if (intel_phy_is_tc(i915, phy) &&
-	    dig_port->tc_mode == TC_PORT_TBT_ALT)
+	if (intel_tc_port_in_tbt_alt_mode(dig_port))
 		ret |= DP_AUX_CH_CTL_TBT_IO;
 
 	return ret;

drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c

@@ -34,9 +34,9 @@
  * for some reason.
  */
 
+#include "intel_backlight.h"
 #include "intel_display_types.h"
 #include "intel_dp_aux_backlight.h"
-#include "intel_panel.h"
 
 /* TODO:
  * Implement HDR, right now we just implement the bare minimum to bring us back into SDR mode so we
@@ -146,7 +146,7 @@ intel_dp_aux_hdr_get_backlight(struct intel_connector *connector, enum pipe pipe
 		if (!panel->backlight.edp.intel.sdr_uses_aux) {
 			u32 pwm_level = panel->backlight.pwm_funcs->get(connector, pipe);
 
-			return intel_panel_backlight_level_from_pwm(connector, pwm_level);
+			return intel_backlight_level_from_pwm(connector, pwm_level);
 		}
 
 		/* Assume 100% brightness if backlight controls aren't enabled yet */
@@ -187,9 +187,9 @@ intel_dp_aux_hdr_set_backlight(const struct drm_connector_state *conn_state, u32
 	if (panel->backlight.edp.intel.sdr_uses_aux) {
 		intel_dp_aux_hdr_set_aux_backlight(conn_state, level);
 	} else {
-		const u32 pwm_level = intel_panel_backlight_level_to_pwm(connector, level);
+		const u32 pwm_level = intel_backlight_level_to_pwm(connector, level);
 
-		intel_panel_set_pwm_level(conn_state, pwm_level);
+		intel_backlight_set_pwm_level(conn_state, pwm_level);
 	}
 }
 
@@ -215,7 +215,7 @@ intel_dp_aux_hdr_enable_backlight(const struct intel_crtc_state *crtc_state,
 		ctrl |= INTEL_EDP_HDR_TCON_BRIGHTNESS_AUX_ENABLE;
 		intel_dp_aux_hdr_set_aux_backlight(conn_state, level);
 	} else {
-		u32 pwm_level = intel_panel_backlight_level_to_pwm(connector, level);
+		u32 pwm_level = intel_backlight_level_to_pwm(connector, level);
 
 		panel->backlight.pwm_funcs->enable(crtc_state, conn_state, pwm_level);
 
@@ -238,7 +238,7 @@ intel_dp_aux_hdr_disable_backlight(const struct drm_connector_state *conn_state,
 		return;
 
 	/* Note we want the actual pwm_level to be 0, regardless of pwm_min */
-	panel->backlight.pwm_funcs->disable(conn_state, intel_panel_invert_pwm_level(connector, 0));
+	panel->backlight.pwm_funcs->disable(conn_state, intel_backlight_invert_pwm_level(connector, 0));
 }
 
 static int

drivers/gpu/drm/i915/display/intel_dp_hdcp.c

@@ -446,8 +446,6 @@ static
 int intel_dp_hdcp2_write_msg(struct intel_digital_port *dig_port,
 			     void *buf, size_t size)
 {
-	struct intel_dp *dp = &dig_port->dp;
-	struct intel_hdcp *hdcp = &dp->attached_connector->hdcp;
 	unsigned int offset;
 	u8 *byte = buf;
 	ssize_t ret, bytes_to_write, len;
@@ -463,8 +461,6 @@ int intel_dp_hdcp2_write_msg(struct intel_digital_port *dig_port,
 	bytes_to_write = size - 1;
 	byte++;
 
-	hdcp->cp_irq_count_cached = atomic_read(&hdcp->cp_irq_count);
-
 	while (bytes_to_write) {
 		len = bytes_to_write > DP_AUX_MAX_PAYLOAD_BYTES ?
 				DP_AUX_MAX_PAYLOAD_BYTES : bytes_to_write;
@@ -482,29 +478,11 @@ int intel_dp_hdcp2_write_msg(struct intel_digital_port *dig_port,
 	return size;
 }
 
-static int
-get_rxinfo_hdcp_1_dev_downstream(struct intel_digital_port *dig_port, bool *hdcp_1_x)
-{
-	u8 rx_info[HDCP_2_2_RXINFO_LEN];
-	int ret;
-
-	ret = drm_dp_dpcd_read(&dig_port->dp.aux,
-			       DP_HDCP_2_2_REG_RXINFO_OFFSET,
-			       (void *)rx_info, HDCP_2_2_RXINFO_LEN);
-
-	if (ret != HDCP_2_2_RXINFO_LEN)
-		return ret >= 0 ? -EIO : ret;
-
-	*hdcp_1_x = HDCP_2_2_HDCP1_DEVICE_CONNECTED(rx_info[1]) ? true : false;
-	return 0;
-}
-
 static
-ssize_t get_receiver_id_list_size(struct intel_digital_port *dig_port)
+ssize_t get_receiver_id_list_rx_info(struct intel_digital_port *dig_port, u32 *dev_cnt, u8 *byte)
 {
-	u8 rx_info[HDCP_2_2_RXINFO_LEN];
-	u32 dev_cnt;
 	ssize_t ret;
+	u8 *rx_info = byte;
 
 	ret = drm_dp_dpcd_read(&dig_port->dp.aux,
 			       DP_HDCP_2_2_REG_RXINFO_OFFSET,
@@ -512,15 +490,11 @@ ssize_t get_receiver_id_list_size(struct intel_digital_port *dig_port)
 	if (ret != HDCP_2_2_RXINFO_LEN)
 		return ret >= 0 ? -EIO : ret;
 
-	dev_cnt = (HDCP_2_2_DEV_COUNT_HI(rx_info[0]) << 4 |
+	*dev_cnt = (HDCP_2_2_DEV_COUNT_HI(rx_info[0]) << 4 |
 		   HDCP_2_2_DEV_COUNT_LO(rx_info[1]));
 
-	if (dev_cnt > HDCP_2_2_MAX_DEVICE_COUNT)
-		dev_cnt = HDCP_2_2_MAX_DEVICE_COUNT;
-
-	ret = sizeof(struct hdcp2_rep_send_receiverid_list) -
-		HDCP_2_2_RECEIVER_IDS_MAX_LEN +
-		(dev_cnt * HDCP_2_2_RECEIVER_ID_LEN);
+	if (*dev_cnt > HDCP_2_2_MAX_DEVICE_COUNT)
+		*dev_cnt = HDCP_2_2_MAX_DEVICE_COUNT;
 
 	return ret;
 }
@@ -530,12 +504,15 @@ int intel_dp_hdcp2_read_msg(struct intel_digital_port *dig_port,
 			    u8 msg_id, void *buf, size_t size)
 {
 	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+	struct intel_dp *dp = &dig_port->dp;
+	struct intel_hdcp *hdcp = &dp->attached_connector->hdcp;
 	unsigned int offset;
 	u8 *byte = buf;
 	ssize_t ret, bytes_to_recv, len;
 	const struct hdcp2_dp_msg_data *hdcp2_msg_data;
 	ktime_t msg_end = ktime_set(0, 0);
 	bool msg_expired;
+	u32 dev_cnt;
 
 	hdcp2_msg_data = get_hdcp2_dp_msg_data(msg_id);
 	if (!hdcp2_msg_data)
@@ -546,17 +523,24 @@ int intel_dp_hdcp2_read_msg(struct intel_digital_port *dig_port,
 	if (ret < 0)
 		return ret;
 
+	hdcp->cp_irq_count_cached = atomic_read(&hdcp->cp_irq_count);
+
+	/* DP adaptation msgs has no msg_id */
+	byte++;
+
 	if (msg_id == HDCP_2_2_REP_SEND_RECVID_LIST) {
-		ret = get_receiver_id_list_size(dig_port);
+		ret = get_receiver_id_list_rx_info(dig_port, &dev_cnt, byte);
 		if (ret < 0)
 			return ret;
 
-		size = ret;
+		byte += ret;
+		size = sizeof(struct hdcp2_rep_send_receiverid_list) -
+		HDCP_2_2_RXINFO_LEN - HDCP_2_2_RECEIVER_IDS_MAX_LEN +
+		(dev_cnt * HDCP_2_2_RECEIVER_ID_LEN);
+		offset += HDCP_2_2_RXINFO_LEN;
 	}
-	bytes_to_recv = size - 1;
 
-	/* DP adaptation msgs has no msg_id */
-	byte++;
+	bytes_to_recv = size - 1;
 
 	while (bytes_to_recv) {
 		len = bytes_to_recv > DP_AUX_MAX_PAYLOAD_BYTES ?
@@ -664,27 +648,6 @@ int intel_dp_hdcp2_capable(struct intel_digital_port *dig_port,
 	return 0;
 }
 
-static
-int intel_dp_mst_streams_type1_capable(struct intel_connector *connector,
-				       bool *capable)
-{
-	struct intel_digital_port *dig_port = intel_attached_dig_port(connector);
-	struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
-	int ret;
-	bool hdcp_1_x;
-
-	ret = get_rxinfo_hdcp_1_dev_downstream(dig_port, &hdcp_1_x);
-	if (ret) {
-		drm_dbg_kms(&i915->drm,
-			    "[%s:%d] failed to read RxInfo ret=%d\n",
-			    connector->base.name, connector->base.base.id, ret);
-		return ret;
-	}
-
-	*capable = !hdcp_1_x;
-	return 0;
-}
-
 static const struct intel_hdcp_shim intel_dp_hdcp_shim = {
 	.write_an_aksv = intel_dp_hdcp_write_an_aksv,
 	.read_bksv = intel_dp_hdcp_read_bksv,
@@ -833,7 +796,6 @@ static const struct intel_hdcp_shim intel_dp_mst_hdcp_shim = {
 	.stream_2_2_encryption = intel_dp_mst_hdcp2_stream_encryption,
 	.check_2_2_link = intel_dp_mst_hdcp2_check_link,
 	.hdcp_2_2_capable = intel_dp_hdcp2_capable,
-	.streams_type1_capable = intel_dp_mst_streams_type1_capable,
 	.protocol = HDCP_PROTOCOL_DP,
 };
 

drivers/gpu/drm/i915/display/intel_dp_mst.c

@@ -61,7 +61,7 @@ static int intel_dp_mst_compute_link_config(struct intel_encoder *encoder,
 	int bpp, slots = -EINVAL;
 
 	crtc_state->lane_count = limits->max_lane_count;
-	crtc_state->port_clock = limits->max_clock;
+	crtc_state->port_clock = limits->max_rate;
 
 	for (bpp = limits->max_bpp; bpp >= limits->min_bpp; bpp -= 2 * 3) {
 		crtc_state->pipe_bpp = bpp;
@@ -131,8 +131,8 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder,
 	 * for MST we always configure max link bw - the spec doesn't
 	 * seem to suggest we should do otherwise.
 	 */
-	limits.min_clock =
-	limits.max_clock = intel_dp_max_link_rate(intel_dp);
+	limits.min_rate =
+	limits.max_rate = intel_dp_max_link_rate(intel_dp);
 
 	limits.min_lane_count =
 	limits.max_lane_count = intel_dp_max_lane_count(intel_dp);
@@ -396,7 +396,6 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
 		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;
@@ -406,18 +405,14 @@ static void intel_mst_post_disable_dp(struct intel_atomic_state *state,
 
 	intel_crtc_vblank_off(old_crtc_state);
 
-	intel_disable_pipe(old_crtc_state);
+	intel_disable_transcoder(old_crtc_state);
 
 	drm_dp_update_payload_part2(&intel_dp->mst_mgr);
 
 	clear_act_sent(encoder, old_crtc_state);
 
-	val = intel_de_read(dev_priv,
-			    TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder));
-	val &= ~TRANS_DDI_DP_VC_PAYLOAD_ALLOC;
-	intel_de_write(dev_priv,
-		       TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder),
-		       val);
+	intel_de_rmw(dev_priv, TRANS_DDI_FUNC_CTL(old_crtc_state->cpu_transcoder),
+		     TRANS_DDI_DP_VC_PAYLOAD_ALLOC, 0);
 
 	wait_for_act_sent(encoder, old_crtc_state);
 
@@ -555,6 +550,17 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
 
 	clear_act_sent(encoder, pipe_config);
 
+	if (intel_dp_is_uhbr(pipe_config)) {
+		const struct drm_display_mode *adjusted_mode =
+			&pipe_config->hw.adjusted_mode;
+		u64 crtc_clock_hz = KHz(adjusted_mode->crtc_clock);
+
+		intel_de_write(dev_priv, TRANS_DP2_VFREQHIGH(pipe_config->cpu_transcoder),
+			       TRANS_DP2_VFREQ_PIXEL_CLOCK(crtc_clock_hz >> 24));
+		intel_de_write(dev_priv, TRANS_DP2_VFREQLOW(pipe_config->cpu_transcoder),
+			       TRANS_DP2_VFREQ_PIXEL_CLOCK(crtc_clock_hz & 0xffffff));
+	}
+
 	intel_ddi_enable_transcoder_func(encoder, pipe_config);
 
 	intel_de_rmw(dev_priv, TRANS_DDI_FUNC_CTL(trans), 0,
@@ -571,7 +577,7 @@ static void intel_mst_enable_dp(struct intel_atomic_state *state,
 		intel_de_rmw(dev_priv, CHICKEN_TRANS(trans), 0,
 			     FECSTALL_DIS_DPTSTREAM_DPTTG);
 
-	intel_enable_pipe(pipe_config);
+	intel_enable_transcoder(pipe_config);
 
 	intel_crtc_vblank_on(pipe_config);
 

drivers/gpu/drm/i915/display/intel_dsi.h

@@ -207,6 +207,9 @@ u32 bxt_dsi_get_pclk(struct intel_encoder *encoder,
 		     struct intel_crtc_state *config);
 void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port);
 
+void assert_dsi_pll_enabled(struct drm_i915_private *i915);
+void assert_dsi_pll_disabled(struct drm_i915_private *i915);
+
 /* 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);