[Intel-gfx] [PATCH 5/5] drm/i915/display/adl_p: Disable PSR2

José Roberto de Souza jose.souza at intel.com
Mon May 24 21:48:05 UTC 2021


We are missing the implementation of some workarounds to enabled PSR2
in Alderlake P, so to avoid any CI report of issues around PSR2
disabling it until all PSR2 workarounds are implemented.

Cc: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index c57210862206..46bd77669ead 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -765,6 +765,16 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
 		return false;
 	}
 
+	/*
+	 * We are missing the implementation of some workarounds to enabled PSR2
+	 * also Windows team found issues in this stepping that are causing
+	 * issues in most PSR2 panels.
+	 */
+	if (IS_ALDERLAKE_P(dev_priv)) {
+		drm_dbg_kms(&dev_priv->drm, "PSR2 is missing the implementation of workarounds\n");
+		return false;
+	}
+
 	if (!transcoder_has_psr2(dev_priv, crtc_state->cpu_transcoder)) {
 		drm_dbg_kms(&dev_priv->drm,
 			    "PSR2 not supported in transcoder %s\n",
-- 
2.31.1



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