[Intel-gfx] [PATCH] drm/i915/adlp: Extend PSR2 support in transcoder B

[José Roberto de Souza]

PSR2 is supported in transcoder A and B on Alderlake-P.

BSpec: 49185
Cc: Mika Kahola <mika.kahola at intel.com>
Cc: Jouni Hogander <jouni.hogander at intel.com>
Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index d35db50ef967a..710b911b065b9 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -588,7 +588,9 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
 static bool
 transcoder_has_psr2(struct drm_i915_private *dev_priv, enum transcoder trans)
 {
-	if (DISPLAY_VER(dev_priv) >= 12)
+	if (IS_ALDERLAKE_P(dev_priv))
+		return trans <= TRANSCODER_B;
+	else if (DISPLAY_VER(dev_priv) >= 12)
 		return trans == TRANSCODER_A;
 	else
 		return trans == TRANSCODER_EDP;
-- 
2.33.1