1 files changed, 378 insertions, 108 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index aabd018bd7..3c7da86222 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -171,14 +171,27 @@
  *
  * The rest of the bits are more self-explanatory and/or
  * irrelevant for normal operation.
+ *
+ * Description of intel_crtc_state variables. has_psr, has_panel_replay and
+ * has_sel_update:
+ *
+ *  has_psr (alone):					PSR1
+ *  has_psr + has_sel_update:				PSR2
+ *  has_psr + has_panel_replay:				Panel Replay
+ *  has_psr + has_panel_replay + has_sel_update:	Panel Replay Selective Update
+ *
+ * Description of some intel_psr varibles. enabled, panel_replay_enabled,
+ * sel_update_enabled
+ *
+ *  enabled (alone):						PSR1
+ *  enabled + sel_update_enabled:				PSR2
+ *  enabled + panel_replay_enabled:				Panel Replay
+ *  enabled + panel_replay_enabled + sel_update_enabled:	Panel Replay SU
  */
 
 #define CAN_PSR(intel_dp) ((intel_dp)->psr.sink_support && \
 			   (intel_dp)->psr.source_support)
 
-#define CAN_PANEL_REPLAY(intel_dp) ((intel_dp)->psr.sink_panel_replay_support && \
-				    (intel_dp)->psr.source_panel_replay_support)
-
 bool intel_encoder_can_psr(struct intel_encoder *encoder)
 {
 	if (intel_encoder_is_dp(encoder) || encoder->type == INTEL_OUTPUT_DP_MST)
@@ -330,6 +343,9 @@ static void psr_irq_control(struct intel_dp *intel_dp)
 	enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
 	u32 mask;
 
+	if (intel_dp->psr.panel_replay_enabled)
+		return;
+
 	mask = psr_irq_psr_error_bit_get(intel_dp);
 	if (intel_dp->psr.debug & I915_PSR_DEBUG_IRQ)
 		mask |= psr_irq_post_exit_bit_get(intel_dp) |
@@ -619,40 +635,59 @@ static bool psr2_su_region_et_valid(struct intel_dp *intel_dp)
 	return false;
 }
 
-static void intel_psr_enable_sink(struct intel_dp *intel_dp)
+static unsigned int intel_psr_get_enable_sink_offset(struct intel_dp *intel_dp)
+{
+	return intel_dp->psr.panel_replay_enabled ?
+		PANEL_REPLAY_CONFIG : DP_PSR_EN_CFG;
+}
+
+/*
+ * Note: Most of the bits are same in PANEL_REPLAY_CONFIG and DP_PSR_EN_CFG. We
+ * are relying on PSR definitions on these "common" bits.
+ */
+void intel_psr_enable_sink(struct intel_dp *intel_dp,
+			   const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	u8 dpcd_val = DP_PSR_ENABLE;
 
-	if (intel_dp->psr.panel_replay_enabled)
-		return;
-
-	if (intel_dp->psr.psr2_enabled) {
+	if (crtc_state->has_sel_update) {
 		/* 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);
+		if (!crtc_state->has_panel_replay) {
+			drm_dp_dpcd_writeb(&intel_dp->aux,
+					   DP_RECEIVER_ALPM_CONFIG,
+					   DP_ALPM_ENABLE |
+					   DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE);
+
+			if (crtc_state->enable_psr2_su_region_et)
+				dpcd_val |= DP_PSR_ENABLE_SU_REGION_ET;
+		}
 
 		dpcd_val |= DP_PSR_ENABLE_PSR2 | DP_PSR_IRQ_HPD_WITH_CRC_ERRORS;
-		if (psr2_su_region_et_valid(intel_dp))
-			dpcd_val |= DP_PSR_ENABLE_SU_REGION_ET;
 	} else {
 		if (intel_dp->psr.link_standby)
 			dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE;
 
-		if (DISPLAY_VER(dev_priv) >= 8)
+		if (!crtc_state->has_panel_replay && DISPLAY_VER(dev_priv) >= 8)
 			dpcd_val |= DP_PSR_CRC_VERIFICATION;
 	}
 
-	if (intel_dp->psr.req_psr2_sdp_prior_scanline)
+	if (crtc_state->has_panel_replay)
+		dpcd_val |= DP_PANEL_REPLAY_UNRECOVERABLE_ERROR_EN |
+			DP_PANEL_REPLAY_RFB_STORAGE_ERROR_EN;
+
+	if (crtc_state->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,
+			   intel_psr_get_enable_sink_offset(intel_dp),
+			   dpcd_val);
 
-	drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0);
+	if (intel_dp_is_edp(intel_dp))
+		drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0);
 }
 
 static u32 intel_psr1_get_tp_time(struct intel_dp *intel_dp)
@@ -1126,6 +1161,141 @@ static bool _compute_psr2_sdp_prior_scanline_indication(struct intel_dp *intel_d
 	return true;
 }
 
+/*
+ * See Bspec: 71632 for the table
+ *
+ * Silence_period = tSilence,Min + ((tSilence,Max - tSilence,Min) / 2)
+ *
+ * Half cycle duration:
+ *
+ * Link rates 1.62 - 4.32 and tLFPS_Cycle = 70 ns
+ * FLOOR( (Link Rate * tLFPS_Cycle) / (2 * 10) )
+ *
+ * Link rates 5.4 - 8.1
+ * PORT_ALPM_LFPS_CTL[ LFPS Cycle Count ] = 10
+ * LFPS Period chosen is the mid-point of the min:max values from the table
+ * FLOOR( LFPS Period in Symbol clocks /
+ * (2 * PORT_ALPM_LFPS_CTL[ LFPS Cycle Count ]) )
+ */
+static bool _lnl_get_silence_period_and_lfps_half_cycle(int link_rate,
+							int *silence_period,
+							int *lfps_half_cycle)
+{
+	switch (link_rate) {
+	case 162000:
+		*silence_period = 20;
+		*lfps_half_cycle = 5;
+		break;
+	case 216000:
+		*silence_period = 27;
+		*lfps_half_cycle = 7;
+		break;
+	case 243000:
+		*silence_period = 31;
+		*lfps_half_cycle = 8;
+		break;
+	case 270000:
+		*silence_period = 34;
+		*lfps_half_cycle = 9;
+		break;
+	case 324000:
+		*silence_period = 41;
+		*lfps_half_cycle = 11;
+		break;
+	case 432000:
+		*silence_period = 56;
+		*lfps_half_cycle = 15;
+		break;
+	case 540000:
+		*silence_period = 69;
+		*lfps_half_cycle = 12;
+		break;
+	case 648000:
+		*silence_period = 84;
+		*lfps_half_cycle = 15;
+		break;
+	case 675000:
+		*silence_period = 87;
+		*lfps_half_cycle = 15;
+		break;
+	case 810000:
+		*silence_period = 104;
+		*lfps_half_cycle = 19;
+		break;
+	default:
+		*silence_period = *lfps_half_cycle = -1;
+		return false;
+	}
+	return true;
+}
+
+/*
+ * AUX-Less Wake Time = CEILING( ((PHY P2 to P0) + tLFPS_Period, Max+
+ * tSilence, Max+ tPHY Establishment + tCDS) / tline)
+ * For the "PHY P2 to P0" latency see the PHY Power Control page
+ * (PHY P2 to P0) : https://gfxspecs.intel.com/Predator/Home/Index/68965
+ * : 12 us
+ * The tLFPS_Period, Max term is 800ns
+ * The tSilence, Max term is 180ns
+ * The tPHY Establishment (a.k.a. t1) term is 50us
+ * The tCDS term is 1 or 2 times t2
+ * t2 = Number ML_PHY_LOCK * tML_PHY_LOCK
+ * Number ML_PHY_LOCK = ( 7 + CEILING( 6.5us / tML_PHY_LOCK ) + 1)
+ * Rounding up the 6.5us padding to the next ML_PHY_LOCK boundary and
+ * adding the "+ 1" term ensures all ML_PHY_LOCK sequences that start
+ * within the CDS period complete within the CDS period regardless of
+ * entry into the period
+ * tML_PHY_LOCK = TPS4 Length * ( 10 / (Link Rate in MHz) )
+ * TPS4 Length = 252 Symbols
+ */
+static int _lnl_compute_aux_less_wake_time(int port_clock)
+{
+	int tphy2_p2_to_p0 = 12 * 1000;
+	int tlfps_period_max = 800;
+	int tsilence_max = 180;
+	int t1 = 50 * 1000;
+	int tps4 = 252;
+	int tml_phy_lock = 1000 * 1000 * tps4 * 10 / port_clock;
+	int num_ml_phy_lock = 7 + DIV_ROUND_UP(6500, tml_phy_lock) + 1;
+	int t2 = num_ml_phy_lock * tml_phy_lock;
+	int tcds = 1 * t2;
+
+	return DIV_ROUND_UP(tphy2_p2_to_p0 + tlfps_period_max + tsilence_max +
+			    t1 + tcds, 1000);
+}
+
+static int _lnl_compute_aux_less_alpm_params(struct intel_dp *intel_dp,
+					     struct intel_crtc_state *crtc_state)
+{
+	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
+	int aux_less_wake_time, aux_less_wake_lines, silence_period,
+		lfps_half_cycle;
+
+	aux_less_wake_time =
+		_lnl_compute_aux_less_wake_time(crtc_state->port_clock);
+	aux_less_wake_lines = intel_usecs_to_scanlines(&crtc_state->hw.adjusted_mode,
+						       aux_less_wake_time);
+
+	if (!_lnl_get_silence_period_and_lfps_half_cycle(crtc_state->port_clock,
+							 &silence_period,
+							 &lfps_half_cycle))
+		return false;
+
+	if (aux_less_wake_lines > ALPM_CTL_AUX_LESS_WAKE_TIME_MASK ||
+	    silence_period > PORT_ALPM_CTL_SILENCE_PERIOD_MASK ||
+	    lfps_half_cycle > PORT_ALPM_LFPS_CTL_LAST_LFPS_HALF_CYCLE_DURATION_MASK)
+		return false;
+
+	if (i915->display.params.psr_safest_params)
+		aux_less_wake_lines = ALPM_CTL_AUX_LESS_WAKE_TIME_MASK;
+
+	intel_dp->psr.alpm_parameters.fast_wake_lines = aux_less_wake_lines;
+	intel_dp->psr.alpm_parameters.silence_period_sym_clocks = silence_period;
+	intel_dp->psr.alpm_parameters.lfps_half_cycle_num_of_syms = lfps_half_cycle;
+
+	return true;
+}
+
 static bool _lnl_compute_alpm_params(struct intel_dp *intel_dp,
 				     struct intel_crtc_state *crtc_state)
 {
@@ -1142,6 +1312,9 @@ static bool _lnl_compute_alpm_params(struct intel_dp *intel_dp,
 	if (check_entry_lines > 15)
 		return false;
 
+	if (!_lnl_compute_aux_less_alpm_params(intel_dp, crtc_state))
+		return false;
+
 	if (i915->display.params.psr_safest_params)
 		check_entry_lines = 15;
 
@@ -1150,28 +1323,52 @@ static bool _lnl_compute_alpm_params(struct intel_dp *intel_dp,
 	return true;
 }
 
+/*
+ * IO wake time for DISPLAY_VER < 12 is not directly mentioned in Bspec. There
+ * are 50 us io wake time and 32 us fast wake time. Clearly preharge pulses are
+ * not (improperly) included in 32 us fast wake time. 50 us - 32 us = 18 us.
+ */
+static int skl_io_buffer_wake_time(void)
+{
+	return 18;
+}
+
+static int tgl_io_buffer_wake_time(void)
+{
+	return 10;
+}
+
+static int io_buffer_wake_time(const struct intel_crtc_state *crtc_state)
+{
+	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);
+
+	if (DISPLAY_VER(i915) >= 12)
+		return tgl_io_buffer_wake_time();
+	else
+		return skl_io_buffer_wake_time();
+}
+
 static bool _compute_alpm_params(struct intel_dp *intel_dp,
 				 struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
 	int io_wake_lines, io_wake_time, fast_wake_lines, fast_wake_time;
+	int tfw_exit_latency = 20; /* eDP spec */
+	int phy_wake = 4;	   /* eDP spec */
+	int preamble = 8;	   /* eDP spec */
+	int precharge = intel_dp_aux_fw_sync_len() - preamble;
 	u8 max_wake_lines;
 
-	if (DISPLAY_VER(i915) >= 12) {
-		io_wake_time = 42;
-		/*
-		 * According to Bspec it's 42us, but based on testing
-		 * it is not enough -> use 45 us.
-		 */
-		fast_wake_time = 45;
+	io_wake_time = max(precharge, io_buffer_wake_time(crtc_state)) +
+		preamble + phy_wake + tfw_exit_latency;
+	fast_wake_time = precharge + preamble + phy_wake +
+		tfw_exit_latency;
 
+	if (DISPLAY_VER(i915) >= 12)
 		/* TODO: Check how we can use ALPM_CTL fast wake extended field */
 		max_wake_lines = 12;
-	} else {
-		io_wake_time = 50;
-		fast_wake_time = 32;
+	else
 		max_wake_lines = 8;
-	}
 
 	io_wake_lines = intel_usecs_to_scanlines(
 		&crtc_state->hw.adjusted_mode, io_wake_time);
@@ -1435,13 +1632,14 @@ void intel_psr_compute_config(struct intel_dp *intel_dp,
 
 	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))
+	crtc_state->has_psr = crtc_state->has_panel_replay ? true :
+		_psr_compute_config(intel_dp, crtc_state);
+
+	if (!crtc_state->has_psr)
 		return;
 
-	crtc_state->has_psr2 = intel_psr2_config_valid(intel_dp, crtc_state);
+	crtc_state->has_sel_update = intel_psr2_config_valid(intel_dp, crtc_state);
 }
 
 void intel_psr_get_config(struct intel_encoder *encoder,
@@ -1465,7 +1663,7 @@ void intel_psr_get_config(struct intel_encoder *encoder,
 		goto unlock;
 
 	if (intel_dp->psr.panel_replay_enabled) {
-		pipe_config->has_panel_replay = true;
+		pipe_config->has_psr = pipe_config->has_panel_replay = true;
 	} else {
 		/*
 		 * Not possible to read EDP_PSR/PSR2_CTL registers as it is
@@ -1474,7 +1672,7 @@ void intel_psr_get_config(struct intel_encoder *encoder,
 		pipe_config->has_psr = true;
 	}
 
-	pipe_config->has_psr2 = intel_dp->psr.psr2_enabled;
+	pipe_config->has_sel_update = intel_dp->psr.psr2_enabled;
 	pipe_config->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC);
 
 	if (!intel_dp->psr.psr2_enabled)
@@ -1570,14 +1768,44 @@ static void lnl_alpm_configure(struct intel_dp *intel_dp)
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
 	struct intel_psr *psr = &intel_dp->psr;
+	u32 alpm_ctl;
 
-	if (DISPLAY_VER(dev_priv) < 20)
+	if (DISPLAY_VER(dev_priv) < 20 || (!intel_dp->psr.psr2_enabled &&
+					   !intel_dp_is_edp(intel_dp)))
 		return;
 
-	intel_de_write(dev_priv, ALPM_CTL(cpu_transcoder),
-		       ALPM_CTL_EXTENDED_FAST_WAKE_ENABLE |
-		       ALPM_CTL_ALPM_ENTRY_CHECK(psr->alpm_parameters.check_entry_lines) |
-		       ALPM_CTL_EXTENDED_FAST_WAKE_TIME(psr->alpm_parameters.fast_wake_lines));
+	/*
+	 * Panel Replay on eDP is always using ALPM aux less. I.e. no need to
+	 * check panel support at this point.
+	 */
+	if (intel_dp->psr.panel_replay_enabled && intel_dp_is_edp(intel_dp)) {
+		alpm_ctl = ALPM_CTL_ALPM_ENABLE |
+			ALPM_CTL_ALPM_AUX_LESS_ENABLE |
+			ALPM_CTL_AUX_LESS_SLEEP_HOLD_TIME_50_SYMBOLS;
+
+		intel_de_write(dev_priv, PORT_ALPM_CTL(cpu_transcoder),
+			       PORT_ALPM_CTL_ALPM_AUX_LESS_ENABLE |
+			       PORT_ALPM_CTL_MAX_PHY_SWING_SETUP(15) |
+			       PORT_ALPM_CTL_MAX_PHY_SWING_HOLD(0) |
+			       PORT_ALPM_CTL_SILENCE_PERIOD(
+				       psr->alpm_parameters.silence_period_sym_clocks));
+
+		intel_de_write(dev_priv, PORT_ALPM_LFPS_CTL(cpu_transcoder),
+			       PORT_ALPM_LFPS_CTL_LFPS_CYCLE_COUNT(10) |
+			       PORT_ALPM_LFPS_CTL_LFPS_HALF_CYCLE_DURATION(
+				       psr->alpm_parameters.lfps_half_cycle_num_of_syms) |
+			       PORT_ALPM_LFPS_CTL_FIRST_LFPS_HALF_CYCLE_DURATION(
+				       psr->alpm_parameters.lfps_half_cycle_num_of_syms) |
+			       PORT_ALPM_LFPS_CTL_LAST_LFPS_HALF_CYCLE_DURATION(
+				       psr->alpm_parameters.lfps_half_cycle_num_of_syms));
+	} else {
+		alpm_ctl = ALPM_CTL_EXTENDED_FAST_WAKE_ENABLE |
+			ALPM_CTL_EXTENDED_FAST_WAKE_TIME(psr->alpm_parameters.fast_wake_lines);
+	}
+
+	alpm_ctl |= ALPM_CTL_ALPM_ENTRY_CHECK(psr->alpm_parameters.check_entry_lines);
+
+	intel_de_write(dev_priv, ALPM_CTL(cpu_transcoder), alpm_ctl);
 }
 
 static void intel_psr_enable_source(struct intel_dp *intel_dp,
@@ -1585,7 +1813,7 @@ static void intel_psr_enable_source(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 mask;
+	u32 mask = 0;
 
 	/*
 	 * Only HSW and BDW have PSR AUX registers that need to be setup.
@@ -1599,34 +1827,46 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
 	 * mask LPSP to avoid dependency on other drivers that might block
 	 * runtime_pm besides preventing  other hw tracking issues now we
 	 * can rely on frontbuffer tracking.
+	 *
+	 * From bspec prior LunarLake:
+	 * Only PSR_MASK[Mask FBC modify] and PSR_MASK[Mask Hotplug] are used in
+	 * panel replay mode.
+	 *
+	 * From bspec beyod LunarLake:
+	 * Panel Replay on DP: No bits are applicable
+	 * Panel Replay on eDP: All bits are applicable
 	 */
-	mask = EDP_PSR_DEBUG_MASK_MEMUP |
-	       EDP_PSR_DEBUG_MASK_HPD;
+	if (DISPLAY_VER(dev_priv) < 20 || intel_dp_is_edp(intel_dp))
+		mask = EDP_PSR_DEBUG_MASK_HPD;
 
-	/*
-	 * For some unknown reason on HSW non-ULT (or at least on
-	 * Dell Latitude E6540) external displays start to flicker
-	 * when PSR is enabled on the eDP. SR/PC6 residency is much
-	 * higher than should be possible with an external display.
-	 * As a workaround leave LPSP unmasked to prevent PSR entry
-	 * when external displays are active.
-	 */
-	if (DISPLAY_VER(dev_priv) >= 8 || IS_HASWELL_ULT(dev_priv))
-		mask |= EDP_PSR_DEBUG_MASK_LPSP;
+	if (intel_dp_is_edp(intel_dp)) {
+		mask |= EDP_PSR_DEBUG_MASK_MEMUP;
 
-	if (DISPLAY_VER(dev_priv) < 20)
-		mask |= EDP_PSR_DEBUG_MASK_MAX_SLEEP;
+		/*
+		 * For some unknown reason on HSW non-ULT (or at least on
+		 * Dell Latitude E6540) external displays start to flicker
+		 * when PSR is enabled on the eDP. SR/PC6 residency is much
+		 * higher than should be possible with an external display.
+		 * As a workaround leave LPSP unmasked to prevent PSR entry
+		 * when external displays are active.
+		 */
+		if (DISPLAY_VER(dev_priv) >= 8 || IS_HASWELL_ULT(dev_priv))
+			mask |= EDP_PSR_DEBUG_MASK_LPSP;
 
-	/*
-	 * No separate pipe reg write mask on hsw/bdw, so have to unmask all
-	 * registers in order to keep the CURSURFLIVE tricks working :(
-	 */
-	if (IS_DISPLAY_VER(dev_priv, 9, 10))
-		mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE;
+		if (DISPLAY_VER(dev_priv) < 20)
+			mask |= EDP_PSR_DEBUG_MASK_MAX_SLEEP;
 
-	/* allow PSR with sprite enabled */
-	if (IS_HASWELL(dev_priv))
-		mask |= EDP_PSR_DEBUG_MASK_SPRITE_ENABLE;
+		/*
+		 * No separate pipe reg write mask on hsw/bdw, so have to unmask all
+		 * registers in order to keep the CURSURFLIVE tricks working :(
+		 */
+		if (IS_DISPLAY_VER(dev_priv, 9, 10))
+			mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE;
+
+		/* allow PSR with sprite enabled */
+		if (IS_HASWELL(dev_priv))
+			mask |= EDP_PSR_DEBUG_MASK_SPRITE_ENABLE;
+	}
 
 	intel_de_write(dev_priv, psr_debug_reg(dev_priv, cpu_transcoder), mask);
 
@@ -1645,7 +1885,8 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
 			     intel_dp->psr.psr2_sel_fetch_enabled ?
 			     IGNORE_PSR2_HW_TRACKING : 0);
 
-	lnl_alpm_configure(intel_dp);
+	if (intel_dp_is_edp(intel_dp))
+		lnl_alpm_configure(intel_dp);
 
 	/*
 	 * Wa_16013835468
@@ -1686,6 +1927,9 @@ static bool psr_interrupt_error_check(struct intel_dp *intel_dp)
 	enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
 	u32 val;
 
+	if (intel_dp->psr.panel_replay_enabled)
+		goto no_err;
+
 	/*
 	 * If a PSR error happened and the driver is reloaded, the EDP_PSR_IIR
 	 * will still keep the error set even after the reset done in the
@@ -1703,6 +1947,7 @@ static bool psr_interrupt_error_check(struct intel_dp *intel_dp)
 		return false;
 	}
 
+no_err:
 	return true;
 }
 
@@ -1711,12 +1956,11 @@ static void intel_psr_enable_locked(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);
-	enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port);
 	u32 val;
 
 	drm_WARN_ON(&dev_priv->drm, intel_dp->psr.enabled);
 
-	intel_dp->psr.psr2_enabled = crtc_state->has_psr2;
+	intel_dp->psr.psr2_enabled = crtc_state->has_sel_update;
 	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;
@@ -1733,14 +1977,22 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp,
 	if (!psr_interrupt_error_check(intel_dp))
 		return;
 
-	if (intel_dp->psr.panel_replay_enabled)
+	if (intel_dp->psr.panel_replay_enabled) {
 		drm_dbg_kms(&dev_priv->drm, "Enabling Panel Replay\n");
-	else
+	} else {
 		drm_dbg_kms(&dev_priv->drm, "Enabling PSR%s\n",
 			    intel_dp->psr.psr2_enabled ? "2" : "1");
 
-	intel_snps_phy_update_psr_power_state(dev_priv, phy, true);
-	intel_psr_enable_sink(intel_dp);
+		/*
+		 * Panel replay has to be enabled before link training: doing it
+		 * only for PSR here.
+		 */
+		intel_psr_enable_sink(intel_dp, crtc_state);
+	}
+
+	if (intel_dp_is_edp(intel_dp))
+		intel_snps_phy_update_psr_power_state(&dig_port->base, true);
+
 	intel_psr_enable_source(intel_dp, crtc_state);
 	intel_dp->psr.enabled = true;
 	intel_dp->psr.paused = false;
@@ -1810,8 +2062,6 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	enum transcoder cpu_transcoder = intel_dp->psr.transcoder;
-	enum phy phy = intel_port_to_phy(dev_priv,
-					 dp_to_dig_port(intel_dp)->base.port);
 
 	lockdep_assert_held(&intel_dp->psr.lock);
 
@@ -1846,12 +2096,25 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp)
 				     CLKGATE_DIS_MISC_DMASC_GATING_DIS, 0);
 	}
 
-	intel_snps_phy_update_psr_power_state(dev_priv, phy, false);
+	if (intel_dp_is_edp(intel_dp))
+		intel_snps_phy_update_psr_power_state(&dp_to_dig_port(intel_dp)->base, false);
+
+	/* Panel Replay on eDP is always using ALPM aux less. */
+	if (intel_dp->psr.panel_replay_enabled && intel_dp_is_edp(intel_dp)) {
+		intel_de_rmw(dev_priv, ALPM_CTL(cpu_transcoder),
+			     ALPM_CTL_ALPM_ENABLE |
+			     ALPM_CTL_ALPM_AUX_LESS_ENABLE, 0);
+
+		intel_de_rmw(dev_priv, PORT_ALPM_CTL(cpu_transcoder),
+			     PORT_ALPM_CTL_ALPM_AUX_LESS_ENABLE, 0);
+	}
 
 	/* Disable PSR on Sink */
-	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0);
+	drm_dp_dpcd_writeb(&intel_dp->aux,
+			   intel_psr_get_enable_sink_offset(intel_dp), 0);
 
-	if (intel_dp->psr.psr2_enabled)
+	if (!intel_dp->psr.panel_replay_enabled &&
+	    intel_dp->psr.psr2_enabled)
 		drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, 0);
 
 	intel_dp->psr.enabled = false;
@@ -1899,7 +2162,7 @@ void intel_psr_pause(struct intel_dp *intel_dp)
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
 	struct intel_psr *psr = &intel_dp->psr;
 
-	if (!CAN_PSR(intel_dp))
+	if (!CAN_PSR(intel_dp) && !CAN_PANEL_REPLAY(intel_dp))
 		return;
 
 	mutex_lock(&psr->lock);
@@ -1932,7 +2195,7 @@ void intel_psr_resume(struct intel_dp *intel_dp)
 {
 	struct intel_psr *psr = &intel_dp->psr;
 
-	if (!CAN_PSR(intel_dp))
+	if (!CAN_PSR(intel_dp) && !CAN_PANEL_REPLAY(intel_dp))
 		return;
 
 	mutex_lock(&psr->lock);
@@ -2069,14 +2332,19 @@ exit:
 	crtc_state->psr2_man_track_ctl = val;
 }
 
-static u32 psr2_pipe_srcsz_early_tpt_calc(struct intel_crtc_state *crtc_state,
-					  bool full_update)
+static u32
+psr2_pipe_srcsz_early_tpt_calc(struct intel_crtc_state *crtc_state,
+			       bool full_update, bool cursor_in_su_area)
 {
 	int width, height;
 
 	if (!crtc_state->enable_psr2_su_region_et || full_update)
 		return 0;
 
+	if (!cursor_in_su_area)
+		return PIPESRC_WIDTH(0) |
+			PIPESRC_HEIGHT(drm_rect_height(&crtc_state->pipe_src));
+
 	width = drm_rect_width(&crtc_state->psr2_su_area);
 	height = drm_rect_height(&crtc_state->psr2_su_area);
 
@@ -2128,7 +2396,8 @@ static void intel_psr2_sel_fetch_pipe_alignment(struct intel_crtc_state *crtc_st
  */
 static void
 intel_psr2_sel_fetch_et_alignment(struct intel_atomic_state *state,
-				  struct intel_crtc *crtc)
+				  struct intel_crtc *crtc,
+				  bool *cursor_in_su_area)
 {
 	struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_plane_state *new_plane_state;
@@ -2156,6 +2425,7 @@ intel_psr2_sel_fetch_et_alignment(struct intel_atomic_state *state,
 
 		clip_area_update(&crtc_state->psr2_su_area, &new_plane_state->uapi.dst,
 				 &crtc_state->pipe_src);
+		*cursor_in_su_area = true;
 	}
 }
 
@@ -2201,7 +2471,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 	struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
 	struct intel_plane_state *new_plane_state, *old_plane_state;
 	struct intel_plane *plane;
-	bool full_update = false;
+	bool full_update = false, cursor_in_su_area = false;
 	int i, ret;
 
 	if (!crtc_state->enable_psr2_sel_fetch)
@@ -2214,7 +2484,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 
 	crtc_state->psr2_su_area.x1 = 0;
 	crtc_state->psr2_su_area.y1 = -1;
-	crtc_state->psr2_su_area.x2 = INT_MAX;
+	crtc_state->psr2_su_area.x2 = drm_rect_width(&crtc_state->pipe_src);
 	crtc_state->psr2_su_area.y2 = -1;
 
 	/*
@@ -2318,7 +2588,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 	 * drm_atomic_add_affected_planes to ensure visible cursor is added into
 	 * affected planes even when cursor is not updated by itself.
 	 */
-	intel_psr2_sel_fetch_et_alignment(state, crtc);
+	intel_psr2_sel_fetch_et_alignment(state, crtc, &cursor_in_su_area);
 
 	intel_psr2_sel_fetch_pipe_alignment(crtc_state);
 
@@ -2382,7 +2652,8 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state,
 skip_sel_fetch_set_loop:
 	psr2_man_trk_ctl_calc(crtc_state, full_update);
 	crtc_state->pipe_srcsz_early_tpt =
-		psr2_pipe_srcsz_early_tpt_calc(crtc_state, full_update);
+		psr2_pipe_srcsz_early_tpt_calc(crtc_state, full_update,
+					       cursor_in_su_area);
 	return 0;
 }
 
@@ -2417,7 +2688,7 @@ void intel_psr_pre_plane_update(struct intel_atomic_state *state,
 		needs_to_disable |= intel_crtc_needs_modeset(new_crtc_state);
 		needs_to_disable |= !new_crtc_state->has_psr;
 		needs_to_disable |= !new_crtc_state->active_planes;
-		needs_to_disable |= new_crtc_state->has_psr2 != psr->psr2_enabled;
+		needs_to_disable |= new_crtc_state->has_sel_update != psr->psr2_enabled;
 		needs_to_disable |= DISPLAY_VER(i915) < 11 &&
 			new_crtc_state->wm_level_disabled;
 
@@ -2439,7 +2710,7 @@ 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 || crtc_state->has_panel_replay))
+	if (!crtc_state->has_psr)
 		return;
 
 	for_each_intel_encoder_mask_with_psr(state->base.dev, encoder,
@@ -3039,6 +3310,13 @@ static void psr_capability_changed_check(struct intel_dp *intel_dp)
 	}
 }
 
+/*
+ * On common bits:
+ * DP_PSR_RFB_STORAGE_ERROR == DP_PANEL_REPLAY_RFB_STORAGE_ERROR
+ * DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR == DP_PANEL_REPLAY_VSC_SDP_UNCORRECTABLE_ERROR
+ * DP_PSR_LINK_CRC_ERROR == DP_PANEL_REPLAY_LINK_CRC_ERROR
+ * this function is relying on PSR definitions
+ */
 void intel_psr_short_pulse(struct intel_dp *intel_dp)
 {
 	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
@@ -3048,7 +3326,7 @@ void intel_psr_short_pulse(struct intel_dp *intel_dp)
 			  DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR |
 			  DP_PSR_LINK_CRC_ERROR;
 
-	if (!CAN_PSR(intel_dp))
+	if (!CAN_PSR(intel_dp) && !CAN_PANEL_REPLAY(intel_dp))
 		return;
 
 	mutex_lock(&psr->lock);
@@ -3062,12 +3340,14 @@ void intel_psr_short_pulse(struct intel_dp *intel_dp)
 		goto exit;
 	}
 
-	if (status == DP_PSR_SINK_INTERNAL_ERROR || (error_status & errors)) {
+	if ((!psr->panel_replay_enabled && status == DP_PSR_SINK_INTERNAL_ERROR) ||
+	    (error_status & errors)) {
 		intel_psr_disable_locked(intel_dp);
 		psr->sink_not_reliable = true;
 	}
 
-	if (status == DP_PSR_SINK_INTERNAL_ERROR && !error_status)
+	if (!psr->panel_replay_enabled && status == DP_PSR_SINK_INTERNAL_ERROR &&
+	    !error_status)
 		drm_dbg_kms(&dev_priv->drm,
 			    "PSR sink internal error, disabling PSR\n");
 	if (error_status & DP_PSR_RFB_STORAGE_ERROR)
@@ -3087,8 +3367,10 @@ void intel_psr_short_pulse(struct intel_dp *intel_dp)
 	/* clear status register */
 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_ERROR_STATUS, error_status);
 
-	psr_alpm_check(intel_dp);
-	psr_capability_changed_check(intel_dp);
+	if (!psr->panel_replay_enabled) {
+		psr_alpm_check(intel_dp);
+		psr_capability_changed_check(intel_dp);
+	}
 
 exit:
 	mutex_unlock(&psr->lock);
@@ -3412,16 +3694,9 @@ 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) || CAN_PANEL_REPLAY(intel_dp))) {
 		seq_puts(m, "PSR/Panel-Replay Unsupported\n");
@@ -3435,16 +3710,11 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data)
 	if (ret)
 		return ret;
 
-	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];
-	}
+	status &= DP_PSR_SINK_STATE_MASK;
+	if (status < ARRAY_SIZE(sink_status))
+		str = sink_status[status];
+	else
+		str = "unknown";
 
 	seq_printf(m, "Sink %s status: 0x%x [%s]\n", psr_mode_str(intel_dp), status, str);