1 files changed, 297 insertions, 174 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 614b4534e..925776ba1 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -29,6 +29,7 @@
 #include "i915_reg.h"
 #include "intel_atomic.h"
 #include "intel_crtc.h"
+#include "intel_ddi.h"
 #include "intel_de.h"
 #include "intel_display_types.h"
 #include "intel_dp.h"
@@ -172,6 +173,15 @@
  * irrelevant for normal operation.
  */
 
+bool intel_encoder_can_psr(struct intel_encoder *encoder)
+{
+	if (intel_encoder_is_dp(encoder) || encoder->type == INTEL_OUTPUT_DP_MST)
+		return CAN_PSR(enc_to_intel_dp(encoder)) ||
+		       CAN_PANEL_REPLAY(enc_to_intel_dp(encoder));
+	else
+		return false;
+}
+
 static bool psr_global_enabled(struct intel_dp *intel_dp)
 {
 	struct intel_connector *connector = intel_dp->attached_connector;
@@ -179,9 +189,9 @@ static bool psr_global_enabled(struct intel_dp *intel_dp)
 
 	switch (intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK) {
 	case I915_PSR_DEBUG_DEFAULT:
-		if (i915->params.enable_psr == -1)
+		if (i915->display.params.enable_psr == -1)
 			return connector->panel.vbt.psr.enable;
-		return i915->params.enable_psr;
+		return i915->display.params.enable_psr;
 	case I915_PSR_DEBUG_DISABLE:
 		return false;
 	default:
@@ -198,7 +208,7 @@ static bool psr2_global_enabled(struct intel_dp *intel_dp)
 	case I915_PSR_DEBUG_FORCE_PSR1:
 		return false;
 	default:
-		if (i915->params.enable_psr == 1)
+		if (i915->display.params.enable_psr == 1)
 			return false;
 		return true;
 	}
@@ -474,27 +484,41 @@ exit:
 	intel_dp->psr.su_y_granularity = y;
 }
 
-void intel_psr_init_dpcd(struct intel_dp *intel_dp)
+static void _panel_replay_init_dpcd(struct intel_dp *intel_dp)
 {
-	struct drm_i915_private *dev_priv =
-		to_i915(dp_to_dig_port(intel_dp)->base.base.dev);
+	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+	u8 pr_dpcd = 0;
 
-	drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd,
-			 sizeof(intel_dp->psr_dpcd));
+	intel_dp->psr.sink_panel_replay_support = false;
+	drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP, &pr_dpcd);
 
-	if (!intel_dp->psr_dpcd[0])
+	if (!(pr_dpcd & DP_PANEL_REPLAY_SUPPORT)) {
+		drm_dbg_kms(&i915->drm,
+			    "Panel replay is not supported by panel\n");
 		return;
-	drm_dbg_kms(&dev_priv->drm, "eDP panel supports PSR version %x\n",
+	}
+
+	drm_dbg_kms(&i915->drm,
+		    "Panel replay is supported by panel\n");
+	intel_dp->psr.sink_panel_replay_support = true;
+}
+
+static void _psr_init_dpcd(struct intel_dp *intel_dp)
+{
+	struct drm_i915_private *i915 =
+		to_i915(dp_to_dig_port(intel_dp)->base.base.dev);
+
+	drm_dbg_kms(&i915->drm, "eDP panel supports PSR version %x\n",
 		    intel_dp->psr_dpcd[0]);
 
 	if (drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_NO_PSR)) {
-		drm_dbg_kms(&dev_priv->drm,
+		drm_dbg_kms(&i915->drm,
 			    "PSR support not currently available for this panel\n");
 		return;
 	}
 
 	if (!(intel_dp->edp_dpcd[1] & DP_EDP_SET_POWER_CAP)) {
-		drm_dbg_kms(&dev_priv->drm,
+		drm_dbg_kms(&i915->drm,
 			    "Panel lacks power state control, PSR cannot be enabled\n");
 		return;
 	}
@@ -503,8 +527,8 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp)
 	intel_dp->psr.sink_sync_latency =
 		intel_dp_get_sink_sync_latency(intel_dp);
 
-	if (DISPLAY_VER(dev_priv) >= 9 &&
-	    (intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_IS_SUPPORTED)) {
+	if (DISPLAY_VER(i915) >= 9 &&
+	    intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) {
 		bool y_req = intel_dp->psr_dpcd[1] &
 			     DP_PSR2_SU_Y_COORDINATE_REQUIRED;
 		bool alpm = intel_dp_get_alpm_status(intel_dp);
@@ -521,14 +545,25 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp)
 		 * GTC first.
 		 */
 		intel_dp->psr.sink_psr2_support = y_req && alpm;
-		drm_dbg_kms(&dev_priv->drm, "PSR2 %ssupported\n",
+		drm_dbg_kms(&i915->drm, "PSR2 %ssupported\n",
 			    intel_dp->psr.sink_psr2_support ? "" : "not ");
+	}
+}
 
-		if (intel_dp->psr.sink_psr2_support) {
-			intel_dp->psr.colorimetry_support =
-				intel_dp_get_colorimetry_status(intel_dp);
-			intel_dp_get_su_granularity(intel_dp);
-		}
+void intel_psr_init_dpcd(struct intel_dp *intel_dp)
+{
+	_panel_replay_init_dpcd(intel_dp);
+
+	drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd,
+			 sizeof(intel_dp->psr_dpcd));
+
+	if (intel_dp->psr_dpcd[0])
+		_psr_init_dpcd(intel_dp);
+
+	if (intel_dp->psr.sink_psr2_support) {
+		intel_dp->psr.colorimetry_support =
+			intel_dp_get_colorimetry_status(intel_dp);
+		intel_dp_get_su_granularity(intel_dp);
 	}
 }
 
@@ -574,8 +609,11 @@ static void intel_psr_enable_sink(struct intel_dp *intel_dp)
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	u8 dpcd_val = DP_PSR_ENABLE;
 
-	/* Enable ALPM at sink for psr2 */
+	if (intel_dp->psr.panel_replay_enabled)
+		return;
+
 	if (intel_dp->psr.psr2_enabled) {
+		/* Enable ALPM at sink for psr2 */
 		drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG,
 				   DP_ALPM_ENABLE |
 				   DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE);
@@ -592,6 +630,9 @@ static void intel_psr_enable_sink(struct intel_dp *intel_dp)
 	if (intel_dp->psr.req_psr2_sdp_prior_scanline)
 		dpcd_val |= DP_PSR_SU_REGION_SCANLINE_CAPTURE;
 
+	if (intel_dp->psr.entry_setup_frames > 0)
+		dpcd_val |= DP_PSR_FRAME_CAPTURE;
+
 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, dpcd_val);
 
 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0);
@@ -606,7 +647,7 @@ static u32 intel_psr1_get_tp_time(struct intel_dp *intel_dp)
 	if (DISPLAY_VER(dev_priv) >= 11)
 		val |= EDP_PSR_TP4_TIME_0us;
 
-	if (dev_priv->params.psr_safest_params) {
+	if (dev_priv->display.params.psr_safest_params) {
 		val |= EDP_PSR_TP1_TIME_2500us;
 		val |= EDP_PSR_TP2_TP3_TIME_2500us;
 		goto check_tp3_sel;
@@ -690,6 +731,9 @@ static void hsw_activate_psr1(struct intel_dp *intel_dp)
 	if (DISPLAY_VER(dev_priv) >= 8)
 		val |= EDP_PSR_CRC_ENABLE;
 
+	if (DISPLAY_VER(dev_priv) >= 20)
+		val |= LNL_EDP_PSR_ENTRY_SETUP_FRAMES(intel_dp->psr.entry_setup_frames);
+
 	intel_de_rmw(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder),
 		     ~EDP_PSR_RESTORE_PSR_ACTIVE_CTX_MASK, val);
 }
@@ -700,7 +744,7 @@ static u32 intel_psr2_get_tp_time(struct intel_dp *intel_dp)
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	u32 val = 0;
 
-	if (dev_priv->params.psr_safest_params)
+	if (dev_priv->display.params.psr_safest_params)
 		return EDP_PSR2_TP2_TIME_2500us;
 
 	if (connector->panel.vbt.psr.psr2_tp2_tp3_wakeup_time_us >= 0 &&
@@ -727,21 +771,49 @@ static int psr2_block_count(struct intel_dp *intel_dp)
 	return psr2_block_count_lines(intel_dp) / 4;
 }
 
+static u8 frames_before_su_entry(struct intel_dp *intel_dp)
+{
+	u8 frames_before_su_entry;
+
+	frames_before_su_entry = max_t(u8,
+				       intel_dp->psr.sink_sync_latency + 1,
+				       2);
+
+	/* Entry setup frames must be at least 1 less than frames before SU entry */
+	if (intel_dp->psr.entry_setup_frames >= frames_before_su_entry)
+		frames_before_su_entry = intel_dp->psr.entry_setup_frames + 1;
+
+	return frames_before_su_entry;
+}
+
+static void dg2_activate_panel_replay(struct intel_dp *intel_dp)
+{
+	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+
+	intel_de_rmw(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder),
+		     0, ADLP_PSR2_MAN_TRK_CTL_SF_CONTINUOS_FULL_FRAME);
+
+	intel_de_rmw(dev_priv, TRANS_DP2_CTL(intel_dp->psr.transcoder), 0,
+		     TRANS_DP2_PANEL_REPLAY_ENABLE);
+}
+
 static void hsw_activate_psr2(struct intel_dp *intel_dp)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
 	u32 val = EDP_PSR2_ENABLE;
+	u32 psr_val = 0;
 
 	val |= EDP_PSR2_IDLE_FRAMES(psr_compute_idle_frames(intel_dp));
 
-	if (DISPLAY_VER(dev_priv) <= 13 && !IS_ALDERLAKE_P(dev_priv))
+	if (DISPLAY_VER(dev_priv) < 14 && !IS_ALDERLAKE_P(dev_priv))
 		val |= EDP_SU_TRACK_ENABLE;
 
-	if (DISPLAY_VER(dev_priv) >= 10 && DISPLAY_VER(dev_priv) <= 12)
+	if (DISPLAY_VER(dev_priv) >= 10 && DISPLAY_VER(dev_priv) < 13)
 		val |= EDP_Y_COORDINATE_ENABLE;
 
-	val |= EDP_PSR2_FRAME_BEFORE_SU(max_t(u8, intel_dp->psr.sink_sync_latency + 1, 2));
+	val |= EDP_PSR2_FRAME_BEFORE_SU(frames_before_su_entry(intel_dp));
+
 	val |= intel_psr2_get_tp_time(intel_dp);
 
 	if (DISPLAY_VER(dev_priv) >= 12) {
@@ -785,6 +857,9 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
 	if (intel_dp->psr.req_psr2_sdp_prior_scanline)
 		val |= EDP_PSR2_SU_SDP_SCANLINE;
 
+	if (DISPLAY_VER(dev_priv) >= 20)
+		psr_val |= LNL_EDP_PSR_ENTRY_SETUP_FRAMES(intel_dp->psr.entry_setup_frames);
+
 	if (intel_dp->psr.psr2_sel_fetch_enabled) {
 		u32 tmp;
 
@@ -798,7 +873,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
 	 * PSR2 HW is incorrectly using EDP_PSR_TP1_TP3_SEL and BSpec is
 	 * recommending keep this bit unset while PSR2 is enabled.
 	 */
-	intel_de_write(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), 0);
+	intel_de_write(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), psr_val);
 
 	intel_de_write(dev_priv, EDP_PSR2_CTL(cpu_transcoder), val);
 }
@@ -816,13 +891,13 @@ transcoder_has_psr2(struct drm_i915_private *dev_priv, enum transcoder cpu_trans
 		return false;
 }
 
-static u32 intel_get_frame_time_us(const struct intel_crtc_state *cstate)
+static u32 intel_get_frame_time_us(const struct intel_crtc_state *crtc_state)
 {
-	if (!cstate || !cstate->hw.active)
+	if (!crtc_state->hw.active)
 		return 0;
 
 	return DIV_ROUND_UP(1000 * 1000,
-			    drm_mode_vrefresh(&cstate->hw.adjusted_mode));
+			    drm_mode_vrefresh(&crtc_state->hw.adjusted_mode));
 }
 
 static void psr2_program_idle_frames(struct intel_dp *intel_dp,
@@ -943,7 +1018,7 @@ static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp,
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 
-	if (!dev_priv->params.enable_psr2_sel_fetch &&
+	if (!dev_priv->display.params.enable_psr2_sel_fetch &&
 	    intel_dp->psr.debug != I915_PSR_DEBUG_ENABLE_SEL_FETCH) {
 		drm_dbg_kms(&dev_priv->drm,
 			    "PSR2 sel fetch not enabled, disabled by parameter\n");
@@ -1019,7 +1094,7 @@ static bool _compute_psr2_sdp_prior_scanline_indication(struct intel_dp *intel_d
 		return true;
 
 	/* Not supported <13 / Wa_22012279113:adl-p */
-	if (DISPLAY_VER(dev_priv) <= 13 || intel_dp->edp_dpcd[0] < DP_EDP_14b)
+	if (DISPLAY_VER(dev_priv) < 14 || intel_dp->edp_dpcd[0] < DP_EDP_14b)
 		return false;
 
 	crtc_state->req_psr2_sdp_prior_scanline = true;
@@ -1056,7 +1131,7 @@ static bool _compute_psr2_wake_times(struct intel_dp *intel_dp,
 	    fast_wake_lines > max_wake_lines)
 		return false;
 
-	if (i915->params.psr_safest_params)
+	if (i915->display.params.psr_safest_params)
 		io_wake_lines = fast_wake_lines = max_wake_lines;
 
 	/* According to Bspec lower limit should be set as 7 lines. */
@@ -1066,6 +1141,39 @@ static bool _compute_psr2_wake_times(struct intel_dp *intel_dp,
 	return true;
 }
 
+static int intel_psr_entry_setup_frames(struct intel_dp *intel_dp,
+					const struct drm_display_mode *adjusted_mode)
+{
+	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+	int psr_setup_time = drm_dp_psr_setup_time(intel_dp->psr_dpcd);
+	int entry_setup_frames = 0;
+
+	if (psr_setup_time < 0) {
+		drm_dbg_kms(&i915->drm,
+			    "PSR condition failed: Invalid PSR setup time (0x%02x)\n",
+			    intel_dp->psr_dpcd[1]);
+		return -ETIME;
+	}
+
+	if (intel_usecs_to_scanlines(adjusted_mode, psr_setup_time) >
+	    adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vdisplay - 1) {
+		if (DISPLAY_VER(i915) >= 20) {
+			/* setup entry frames can be up to 3 frames */
+			entry_setup_frames = 1;
+			drm_dbg_kms(&i915->drm,
+				    "PSR setup entry frames %d\n",
+				    entry_setup_frames);
+		} else {
+			drm_dbg_kms(&i915->drm,
+				    "PSR condition failed: PSR setup time (%d us) too long\n",
+				    psr_setup_time);
+			return -ETIME;
+		}
+	}
+
+	return entry_setup_frames;
+}
+
 static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
 				    struct intel_crtc_state *crtc_state)
 {
@@ -1113,7 +1221,7 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
 	 * over PSR2.
 	 */
 	if (crtc_state->dsc.compression_enable &&
-	    (DISPLAY_VER(dev_priv) <= 13 && !IS_ALDERLAKE_P(dev_priv))) {
+	    (DISPLAY_VER(dev_priv) < 14 && !IS_ALDERLAKE_P(dev_priv))) {
 		drm_dbg_kms(&dev_priv->drm,
 			    "PSR2 cannot be enabled since DSC is enabled\n");
 		return false;
@@ -1206,24 +1314,42 @@ unsupported:
 	return false;
 }
 
-void intel_psr_compute_config(struct intel_dp *intel_dp,
-			      struct intel_crtc_state *crtc_state,
-			      struct drm_connector_state *conn_state)
+static bool _psr_compute_config(struct intel_dp *intel_dp,
+				struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
-	const struct drm_display_mode *adjusted_mode =
-		&crtc_state->hw.adjusted_mode;
-	int psr_setup_time;
+	const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
+	int entry_setup_frames;
 
 	/*
 	 * Current PSR panels don't work reliably with VRR enabled
 	 * So if VRR is enabled, do not enable PSR.
 	 */
 	if (crtc_state->vrr.enable)
-		return;
+		return false;
 
 	if (!CAN_PSR(intel_dp))
-		return;
+		return false;
+
+	entry_setup_frames = intel_psr_entry_setup_frames(intel_dp, adjusted_mode);
+
+	if (entry_setup_frames >= 0) {
+		intel_dp->psr.entry_setup_frames = entry_setup_frames;
+	} else {
+		drm_dbg_kms(&dev_priv->drm,
+			    "PSR condition failed: PSR setup timing not met\n");
+		return false;
+	}
+
+	return true;
+}
+
+void intel_psr_compute_config(struct intel_dp *intel_dp,
+			      struct intel_crtc_state *crtc_state,
+			      struct drm_connector_state *conn_state)
+{
+	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+	const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode;
 
 	if (!psr_global_enabled(intel_dp)) {
 		drm_dbg_kms(&dev_priv->drm, "PSR disabled by flag\n");
@@ -1242,23 +1368,25 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
 		return;
 	}
 
-	psr_setup_time = drm_dp_psr_setup_time(intel_dp->psr_dpcd);
-	if (psr_setup_time < 0) {
+	/*
+	 * FIXME figure out what is wrong with PSR+bigjoiner and
+	 * fix it. Presumably something related to the fact that
+	 * PSR is a transcoder level feature.
+	 */
+	if (crtc_state->bigjoiner_pipes) {
 		drm_dbg_kms(&dev_priv->drm,
-			    "PSR condition failed: Invalid PSR setup time (0x%02x)\n",
-			    intel_dp->psr_dpcd[1]);
+			    "PSR disabled due to bigjoiner\n");
 		return;
 	}
 
-	if (intel_usecs_to_scanlines(adjusted_mode, psr_setup_time) >
-	    adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vdisplay - 1) {
-		drm_dbg_kms(&dev_priv->drm,
-			    "PSR condition failed: PSR setup time (%d us) too long\n",
-			    psr_setup_time);
+	if (CAN_PANEL_REPLAY(intel_dp))
+		crtc_state->has_panel_replay = true;
+	else
+		crtc_state->has_psr = _psr_compute_config(intel_dp, crtc_state);
+
+	if (!(crtc_state->has_panel_replay || crtc_state->has_psr))
 		return;
-	}
 
-	crtc_state->has_psr = true;
 	crtc_state->has_psr2 = intel_psr2_config_valid(intel_dp, crtc_state);
 
 	crtc_state->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC);
@@ -1279,18 +1407,23 @@ void intel_psr_get_config(struct intel_encoder *encoder,
 		return;
 
 	intel_dp = &dig_port->dp;
-	if (!CAN_PSR(intel_dp))
+	if (!(CAN_PSR(intel_dp) || CAN_PANEL_REPLAY(intel_dp)))
 		return;
 
 	mutex_lock(&intel_dp->psr.lock);
 	if (!intel_dp->psr.enabled)
 		goto unlock;
 
-	/*
-	 * Not possible to read EDP_PSR/PSR2_CTL registers as it is
-	 * enabled/disabled because of frontbuffer tracking and others.
-	 */
-	pipe_config->has_psr = true;
+	if (intel_dp->psr.panel_replay_enabled) {
+		pipe_config->has_panel_replay = true;
+	} else {
+		/*
+		 * Not possible to read EDP_PSR/PSR2_CTL registers as it is
+		 * enabled/disabled because of frontbuffer tracking and others.
+		 */
+		pipe_config->has_psr = true;
+	}
+
 	pipe_config->has_psr2 = intel_dp->psr.psr2_enabled;
 	pipe_config->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC);
 
@@ -1327,8 +1460,10 @@ static void intel_psr_activate(struct intel_dp *intel_dp)
 
 	lockdep_assert_held(&intel_dp->psr.lock);
 
-	/* psr1 and psr2 are mutually exclusive.*/
-	if (intel_dp->psr.psr2_enabled)
+	/* psr1, psr2 and panel-replay are mutually exclusive.*/
+	if (intel_dp->psr.panel_replay_enabled)
+		dg2_activate_panel_replay(intel_dp);
+	else if (intel_dp->psr.psr2_enabled)
 		hsw_activate_psr2(intel_dp);
 	else
 		hsw_activate_psr1(intel_dp);
@@ -1462,12 +1597,10 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
 		 * All supported adlp panels have 1-based X granularity, this may
 		 * cause issues if non-supported panels are used.
 		 */
-		if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0))
-			intel_de_rmw(dev_priv, MTL_CHICKEN_TRANS(cpu_transcoder), 0,
-				     ADLP_1_BASED_X_GRANULARITY);
-		else if (IS_ALDERLAKE_P(dev_priv))
-			intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder), 0,
-				     ADLP_1_BASED_X_GRANULARITY);
+		if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0) ||
+		    IS_ALDERLAKE_P(dev_priv))
+			intel_de_rmw(dev_priv, hsw_chicken_trans_reg(dev_priv, cpu_transcoder),
+				     0, ADLP_1_BASED_X_GRANULARITY);
 
 		/* Wa_16012604467:adlp,mtl[a0,b0] */
 		if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0))
@@ -1518,6 +1651,7 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp,
 	drm_WARN_ON(&dev_priv->drm, intel_dp->psr.enabled);
 
 	intel_dp->psr.psr2_enabled = crtc_state->has_psr2;
+	intel_dp->psr.panel_replay_enabled = crtc_state->has_panel_replay;
 	intel_dp->psr.busy_frontbuffer_bits = 0;
 	intel_dp->psr.pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe;
 	intel_dp->psr.transcoder = crtc_state->cpu_transcoder;
@@ -1533,8 +1667,12 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp,
 	if (!psr_interrupt_error_check(intel_dp))
 		return;
 
-	drm_dbg_kms(&dev_priv->drm, "Enabling PSR%s\n",
-		    intel_dp->psr.psr2_enabled ? "2" : "1");
+	if (intel_dp->psr.panel_replay_enabled)
+		drm_dbg_kms(&dev_priv->drm, "Enabling Panel Replay\n");
+	else
+		drm_dbg_kms(&dev_priv->drm, "Enabling PSR%s\n",
+			    intel_dp->psr.psr2_enabled ? "2" : "1");
+
 	intel_write_dp_vsc_sdp(encoder, crtc_state, &crtc_state->psr_vsc);
 	intel_snps_phy_update_psr_power_state(dev_priv, phy, true);
 	intel_psr_enable_sink(intel_dp);
@@ -1563,7 +1701,10 @@ static void intel_psr_exit(struct intel_dp *intel_dp)
 		return;
 	}
 
-	if (intel_dp->psr.psr2_enabled) {
+	if (intel_dp->psr.panel_replay_enabled) {
+		intel_de_rmw(dev_priv, TRANS_DP2_CTL(intel_dp->psr.transcoder),
+			     TRANS_DP2_PANEL_REPLAY_ENABLE, 0);
+	} else if (intel_dp->psr.psr2_enabled) {
 		tgl_disallow_dc3co_on_psr2_exit(intel_dp);
 
 		val = intel_de_rmw(dev_priv, EDP_PSR2_CTL(cpu_transcoder),
@@ -1612,8 +1753,11 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp)
 	if (!intel_dp->psr.enabled)
 		return;
 
-	drm_dbg_kms(&dev_priv->drm, "Disabling PSR%s\n",
-		    intel_dp->psr.psr2_enabled ? "2" : "1");
+	if (intel_dp->psr.panel_replay_enabled)
+		drm_dbg_kms(&dev_priv->drm, "Disabling Panel Replay\n");
+	else
+		drm_dbg_kms(&dev_priv->drm, "Disabling PSR%s\n",
+			    intel_dp->psr.psr2_enabled ? "2" : "1");
 
 	intel_psr_exit(intel_dp);
 	intel_psr_wait_exit_locked(intel_dp);
@@ -1646,6 +1790,7 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp)
 		drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, 0);
 
 	intel_dp->psr.enabled = false;
+	intel_dp->psr.panel_replay_enabled = false;
 	intel_dp->psr.psr2_enabled = false;
 	intel_dp->psr.psr2_sel_fetch_enabled = false;
 	intel_dp->psr.psr2_sel_fetch_cff_enabled = false;
@@ -1793,81 +1938,6 @@ static void psr_force_hw_tracking_exit(struct intel_dp *intel_dp)
 	intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0);
 }
 
-void intel_psr2_disable_plane_sel_fetch_arm(struct intel_plane *plane,
-					    const struct intel_crtc_state *crtc_state)
-{
-	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
-	enum pipe pipe = plane->pipe;
-
-	if (!crtc_state->enable_psr2_sel_fetch)
-		return;
-
-	intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_CTL(pipe, plane->id), 0);
-}
-
-void intel_psr2_program_plane_sel_fetch_arm(struct intel_plane *plane,
-					    const struct intel_crtc_state *crtc_state,
-					    const struct intel_plane_state *plane_state)
-{
-	struct drm_i915_private *i915 = to_i915(plane->base.dev);
-	enum pipe pipe = plane->pipe;
-
-	if (!crtc_state->enable_psr2_sel_fetch)
-		return;
-
-	if (plane->id == PLANE_CURSOR)
-		intel_de_write_fw(i915, PLANE_SEL_FETCH_CTL(pipe, plane->id),
-				  plane_state->ctl);
-	else
-		intel_de_write_fw(i915, PLANE_SEL_FETCH_CTL(pipe, plane->id),
-				  PLANE_SEL_FETCH_CTL_ENABLE);
-}
-
-void intel_psr2_program_plane_sel_fetch_noarm(struct intel_plane *plane,
-					      const struct intel_crtc_state *crtc_state,
-					      const struct intel_plane_state *plane_state,
-					      int color_plane)
-{
-	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
-	enum pipe pipe = plane->pipe;
-	const struct drm_rect *clip;
-	u32 val;
-	int x, y;
-
-	if (!crtc_state->enable_psr2_sel_fetch)
-		return;
-
-	if (plane->id == PLANE_CURSOR)
-		return;
-
-	clip = &plane_state->psr2_sel_fetch_area;
-
-	val = (clip->y1 + plane_state->uapi.dst.y1) << 16;
-	val |= plane_state->uapi.dst.x1;
-	intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_POS(pipe, plane->id), val);
-
-	x = plane_state->view.color_plane[color_plane].x;
-
-	/*
-	 * From Bspec: UV surface Start Y Position = half of Y plane Y
-	 * start position.
-	 */
-	if (!color_plane)
-		y = plane_state->view.color_plane[color_plane].y + clip->y1;
-	else
-		y = plane_state->view.color_plane[color_plane].y + clip->y1 / 2;
-
-	val = y << 16 | x;
-
-	intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_OFFSET(pipe, plane->id),
-			  val);
-
-	/* Sizes are 0 based */
-	val = (drm_rect_height(clip) - 1) << 16;
-	val |= (drm_rect_width(&plane_state->uapi.src) >> 16) - 1;
-	intel_de_write_fw(dev_priv, PLANE_SEL_FETCH_SIZE(pipe, plane->id), val);
-}
-
 void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
@@ -2127,8 +2197,19 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 			continue;
 
 		inter = pipe_clip;
-		if (!drm_rect_intersect(&inter, &new_plane_state->uapi.dst))
+		sel_fetch_area = &new_plane_state->psr2_sel_fetch_area;
+		if (!drm_rect_intersect(&inter, &new_plane_state->uapi.dst)) {
+			sel_fetch_area->y1 = -1;
+			sel_fetch_area->y2 = -1;
+			/*
+			 * if plane sel fetch was previously enabled ->
+			 * disable it
+			 */
+			if (drm_rect_height(&old_plane_state->psr2_sel_fetch_area) > 0)
+				crtc_state->update_planes |= BIT(plane->id);
+
 			continue;
+		}
 
 		if (!psr2_sel_fetch_plane_state_supported(new_plane_state)) {
 			full_update = true;
@@ -2217,7 +2298,7 @@ void intel_psr_post_plane_update(struct intel_atomic_state *state,
 		intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_encoder *encoder;
 
-	if (!crtc_state->has_psr)
+	if (!(crtc_state->has_psr || crtc_state->has_panel_replay))
 		return;
 
 	for_each_intel_encoder_mask_with_psr(state->base.dev, encoder,
@@ -2703,7 +2784,7 @@ void intel_psr_init(struct intel_dp *intel_dp)
 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 
-	if (!HAS_PSR(dev_priv))
+	if (!(HAS_PSR(dev_priv) || HAS_DP20(dev_priv)))
 		return;
 
 	/*
@@ -2721,7 +2802,10 @@ void intel_psr_init(struct intel_dp *intel_dp)
 		return;
 	}
 
-	intel_dp->psr.source_support = true;
+	if (HAS_DP20(dev_priv) && !intel_dp_is_edp(intel_dp))
+		intel_dp->psr.source_panel_replay_support = true;
+	else
+		intel_dp->psr.source_support = true;
 
 	/* Set link_standby x link_off defaults */
 	if (DISPLAY_VER(dev_priv) < 12)
@@ -2738,12 +2822,19 @@ static int psr_get_status_and_error_status(struct intel_dp *intel_dp,
 {
 	struct drm_dp_aux *aux = &intel_dp->aux;
 	int ret;
+	unsigned int offset;
+
+	offset = intel_dp->psr.panel_replay_enabled ?
+		 DP_SINK_DEVICE_PR_AND_FRAME_LOCK_STATUS : DP_PSR_STATUS;
 
-	ret = drm_dp_dpcd_readb(aux, DP_PSR_STATUS, status);
+	ret = drm_dp_dpcd_readb(aux, offset, status);
 	if (ret != 1)
 		return ret;
 
-	ret = drm_dp_dpcd_readb(aux, DP_PSR_ERROR_STATUS, error_status);
+	offset = intel_dp->psr.panel_replay_enabled ?
+		 DP_PANEL_REPLAY_ERROR_STATUS : DP_PSR_ERROR_STATUS;
+
+	ret = drm_dp_dpcd_readb(aux, offset, error_status);
 	if (ret != 1)
 		return ret;
 
@@ -2964,7 +3055,7 @@ psr_source_status(struct intel_dp *intel_dp, struct seq_file *m)
 			status = live_status[status_val];
 	}
 
-	seq_printf(m, "Source PSR status: %s [0x%08x]\n", status, val);
+	seq_printf(m, "Source PSR/PanelReplay status: %s [0x%08x]\n", status, val);
 }
 
 static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp)
@@ -2977,18 +3068,22 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp)
 	bool enabled;
 	u32 val;
 
-	seq_printf(m, "Sink support: %s", str_yes_no(psr->sink_support));
+	seq_printf(m, "Sink support: PSR = %s",
+		   str_yes_no(psr->sink_support));
+
 	if (psr->sink_support)
 		seq_printf(m, " [0x%02x]", intel_dp->psr_dpcd[0]);
-	seq_puts(m, "\n");
+	seq_printf(m, ", Panel Replay = %s\n", str_yes_no(psr->sink_panel_replay_support));
 
-	if (!psr->sink_support)
+	if (!(psr->sink_support || psr->sink_panel_replay_support))
 		return 0;
 
 	wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm);
 	mutex_lock(&psr->lock);
 
-	if (psr->enabled)
+	if (psr->panel_replay_enabled)
+		status = "Panel Replay Enabled";
+	else if (psr->enabled)
 		status = psr->psr2_enabled ? "PSR2 enabled" : "PSR1 enabled";
 	else
 		status = "disabled";
@@ -3001,14 +3096,17 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp)
 		goto unlock;
 	}
 
-	if (psr->psr2_enabled) {
+	if (psr->panel_replay_enabled) {
+		val = intel_de_read(dev_priv, TRANS_DP2_CTL(cpu_transcoder));
+		enabled = val & TRANS_DP2_PANEL_REPLAY_ENABLE;
+	} else if (psr->psr2_enabled) {
 		val = intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder));
 		enabled = val & EDP_PSR2_ENABLE;
 	} else {
 		val = intel_de_read(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder));
 		enabled = val & EDP_PSR_ENABLE;
 	}
-	seq_printf(m, "Source PSR ctl: %s [0x%08x]\n",
+	seq_printf(m, "Source PSR/PanelReplay ctl: %s [0x%08x]\n",
 		   str_enabled_disabled(enabled), val);
 	psr_source_status(intel_dp, m);
 	seq_printf(m, "Busy frontbuffer bits: 0x%08x\n",
@@ -3146,6 +3244,16 @@ void intel_psr_debugfs_register(struct drm_i915_private *i915)
 			    i915, &i915_edp_psr_status_fops);
 }
 
+static const char *psr_mode_str(struct intel_dp *intel_dp)
+{
+	if (intel_dp->psr.panel_replay_enabled)
+		return "PANEL-REPLAY";
+	else if (intel_dp->psr.enabled)
+		return "PSR";
+
+	return "unknown";
+}
+
 static int i915_psr_sink_status_show(struct seq_file *m, void *data)
 {
 	struct intel_connector *connector = m->private;
@@ -3160,12 +3268,19 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data)
 		"reserved",
 		"sink internal error",
 	};
+	static const char * const panel_replay_status[] = {
+		"Sink device frame is locked to the Source device",
+		"Sink device is coasting, using the VTotal target",
+		"Sink device is governing the frame rate (frame rate unlock is granted)",
+		"Sink device in the process of re-locking with the Source device",
+	};
 	const char *str;
 	int ret;
 	u8 status, error_status;
+	u32 idx;
 
-	if (!CAN_PSR(intel_dp)) {
-		seq_puts(m, "PSR Unsupported\n");
+	if (!(CAN_PSR(intel_dp) || CAN_PANEL_REPLAY(intel_dp))) {
+		seq_puts(m, "PSR/Panel-Replay Unsupported\n");
 		return -ENODEV;
 	}
 
@@ -3176,15 +3291,20 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data)
 	if (ret)
 		return ret;
 
-	status &= DP_PSR_SINK_STATE_MASK;
-	if (status < ARRAY_SIZE(sink_status))
-		str = sink_status[status];
-	else
-		str = "unknown";
+	str = "unknown";
+	if (intel_dp->psr.panel_replay_enabled) {
+		idx = (status & DP_SINK_FRAME_LOCKED_MASK) >> DP_SINK_FRAME_LOCKED_SHIFT;
+		if (idx < ARRAY_SIZE(panel_replay_status))
+			str = panel_replay_status[idx];
+	} else if (intel_dp->psr.enabled) {
+		idx = status & DP_PSR_SINK_STATE_MASK;
+		if (idx < ARRAY_SIZE(sink_status))
+			str = sink_status[idx];
+	}
 
-	seq_printf(m, "Sink PSR status: 0x%x [%s]\n", status, str);
+	seq_printf(m, "Sink %s status: 0x%x [%s]\n", psr_mode_str(intel_dp), status, str);
 
-	seq_printf(m, "Sink PSR error status: 0x%x", error_status);
+	seq_printf(m, "Sink %s error status: 0x%x", psr_mode_str(intel_dp), error_status);
 
 	if (error_status & (DP_PSR_RFB_STORAGE_ERROR |
 			    DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR |
@@ -3193,11 +3313,11 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data)
 	else
 		seq_puts(m, "\n");
 	if (error_status & DP_PSR_RFB_STORAGE_ERROR)
-		seq_puts(m, "\tPSR RFB storage error\n");
+		seq_printf(m, "\t%s RFB storage error\n", psr_mode_str(intel_dp));
 	if (error_status & DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR)
-		seq_puts(m, "\tPSR VSC SDP uncorrectable error\n");
+		seq_printf(m, "\t%s VSC SDP uncorrectable error\n", psr_mode_str(intel_dp));
 	if (error_status & DP_PSR_LINK_CRC_ERROR)
-		seq_puts(m, "\tPSR Link CRC error\n");
+		seq_printf(m, "\t%s Link CRC error\n", psr_mode_str(intel_dp));
 
 	return ret;
 }
@@ -3217,13 +3337,16 @@ void intel_psr_connector_debugfs_add(struct intel_connector *connector)
 	struct drm_i915_private *i915 = to_i915(connector->base.dev);
 	struct dentry *root = connector->base.debugfs_entry;
 
-	if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP)
+	/* TODO: Add support for MST connectors as well. */
+	if ((connector->base.connector_type != DRM_MODE_CONNECTOR_eDP &&
+	     connector->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) ||
+	    connector->mst_port)
 		return;
 
 	debugfs_create_file("i915_psr_sink_status", 0444, root,
 			    connector, &i915_psr_sink_status_fops);
 
-	if (HAS_PSR(i915))
+	if (HAS_PSR(i915) || HAS_DP20(i915))
 		debugfs_create_file("i915_psr_status", 0444, root,
 				    connector, &i915_psr_status_fops);
 }