[PATCH v3 05/20] drm/i915/psr: Do not update phy power state in case of panel replay

Jouni Högander jouni.hogander at intel.com
Wed Jan 17 06:14:18 UTC 2024


Currently panel replay is supporting only main link on mode -> Do not
update phy power state for panel replay.

Bspec: 53370

Signed-off-by: Jouni Högander <jouni.hogander at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 9dead744c8a5..50f7b7bffd02 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -1680,13 +1680,15 @@ 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_snps_phy_update_psr_power_state(dev_priv, phy, true);
+	}
+
 	intel_psr_enable_sink(intel_dp);
 	intel_psr_enable_source(intel_dp, crtc_state);
 	intel_dp->psr.enabled = true;
@@ -1793,7 +1795,8 @@ 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->psr.panel_replay_enabled)
+		intel_snps_phy_update_psr_power_state(dev_priv, phy, false);
 
 	/* Disable PSR on Sink */
 	drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0);
-- 
2.34.1



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