drm/i915/display: Disable PSR2 if TGL Display stepping is B1 from A0

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TGL PSR2 hardware tracking shows momentary flicker and screen shift if
TGL Display stepping is B1 from A0.
It has been fixed from TGL Display stepping C0.

HSDES: 18015970021
HSDES: 2209313811
BSpec: 55378

v2: Add checking of PSR2 manual tracking (Jose)

Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210422160544.2427123-1-gwan-gyeong.mun@intel.com

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Gwan-gyeong Mun 2021-04-22 19:05:44 +03:00 • committed by José Roberto de Souza

parent d5b5f63cc5

commit 8804325861

1 changed files with 7 additions and 0 deletions

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

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