PSR2 is supported in transcoder A and B on Alderlake-P. v2: - explicity checking for transcoder A and B to avoid invalid transcoder
BSpec: 49185 Reviewed-by: Jouni Högander <[email protected]> # v1 Cc: Jani Nikula <[email protected]> Cc: Mika Kahola <[email protected]> Cc: Jouni Hogander <[email protected]> Signed-off-by: José Roberto de Souza <[email protected]> --- 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 8d08e3cf08c1f..33b50646b9c97 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_A || trans == TRANSCODER_B; + else if (DISPLAY_VER(dev_priv) >= 12) return trans == TRANSCODER_A; else return trans == TRANSCODER_EDP; -- 2.33.1
