Commit 8f2546dd authored by José Roberto de Souza's avatar José Roberto de Souza
Browse files

drm/i915/display: Defeature PSR2 for RKL and ADL-S 



PSR2 is defeatured for RKL and ADL-S, no important power impact as
those are desktop CPUs and PSR2 was not even enabled by default yet
in platforms without PSR2 HW tracking.

HSDES: 14011750631
HSDES: 14011741325
BSpec: 53273
Cc: Caz Yokoyama <Caz.Yokoyama@intel.com>
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Signed-off-by: default avatarJosé Roberto de Souza <jose.souza@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210408214205.327704-1-jose.souza@intel.com
parent 5df7bd13

drivers/gpu/drm/i915/display/intel_psr.c

+6 −0
Original line number Diff line number Diff line
@@ -739,6 +739,12 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, 
		return false;

	}



	/* Wa_16011181250 */

	if (IS_ROCKETLAKE(dev_priv) || IS_ALDERLAKE_S(dev_priv)) {

		drm_dbg_kms(&dev_priv->drm, "PSR2 is defeatured for this platform\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",