Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-04 10:01:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210408214205.327704-1-jose.souza@intel.com
This commit is contained in:
José Roberto de Souza 2021-04-08 14:42:05 -07:00
parent 5df7bd1308
commit 8f2546dd3e
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpu/drm/i915/display/intel_psr.c
View File

@ -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",