[PATCH v4 05/19] drm/i915/psr: Add Panel Replay support to intel_psr2_config_et_valid

[Jouni Högander]

Early Transport is possible and in our HW mandatory on eDP Panel
Replay. Add parameter to intel_psr2_config_et_valid to differentiate
validity check for Panel Replay.

Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 4b337bcd9c90..05aff2adb19e 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -674,16 +674,17 @@ static void hsw_psr_setup_aux(struct intel_dp *intel_dp)
 		       aux_ctl);
 }
 
-static bool psr2_su_region_et_valid(struct intel_dp *intel_dp)
+static bool psr2_su_region_et_valid(struct intel_dp *intel_dp, bool panel_replay)
 {
 	struct drm_i915_private *i915 = dp_to_i915(intel_dp);
 
-	if (DISPLAY_VER(i915) >= 20 &&
-	    intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_ET_SUPPORTED &&
-	    !(intel_dp->psr.debug & I915_PSR_DEBUG_SU_REGION_ET_DISABLE))
-		return true;
+	if (DISPLAY_VER(i915) < 20 || !intel_dp_is_edp(intel_dp) ||
+	    intel_dp->psr.debug & I915_PSR_DEBUG_SU_REGION_ET_DISABLE)
+		return false;
 
-	return false;
+	return panel_replay ?
+		intel_dp->pr_dpcd & DP_PANEL_REPLAY_EARLY_TRANSPORT_SUPPORT :
+		intel_dp->psr_dpcd[0] != DP_PSR2_WITH_Y_COORD_ET_SUPPORTED;
 }
 
 static unsigned int intel_psr_get_enable_sink_offset(struct intel_dp *intel_dp)
@@ -710,7 +711,7 @@ void intel_psr_enable_sink(struct intel_dp *intel_dp,
 					   DP_ALPM_ENABLE |
 					   DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE);
 
-			if (psr2_su_region_et_valid(intel_dp))
+			if (psr2_su_region_et_valid(intel_dp, crtc_state->has_panel_replay))
 				dpcd_val |= DP_PSR_ENABLE_SU_REGION_ET;
 		}
 
@@ -978,7 +979,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
 			       PSR2_MAN_TRK_CTL(dev_priv, cpu_transcoder), 0);
 	}
 
-	if (psr2_su_region_et_valid(intel_dp))
+	if (psr2_su_region_et_valid(intel_dp, false))
 		val |= LNL_EDP_PSR2_SU_REGION_ET_ENABLE;
 
 	/*
@@ -1355,7 +1356,7 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
 
 	tgl_dc3co_exitline_compute_config(intel_dp, crtc_state);
 
-	if (psr2_su_region_et_valid(intel_dp))
+	if (psr2_su_region_et_valid(intel_dp, crtc_state->has_panel_replay))
 		crtc_state->enable_psr2_su_region_et = true;
 
 	return true;
-- 
2.34.1