[SRU] [J/OEM-5.14] [PATCH 0/1] Fix PSR flickers on Intel TGL laptops + AUO panel

Kai-Heng Feng kai.heng.feng at canonical.com
Tue Jun 28 12:15:52 UTC 2022

BugLink: https://bugs.launchpad.net/bugs/1980087

Screen flickers on certain Intel TGL laptops + AUO panel.

Enable PSR2 selective fetch only for the specific case to minimize the
regression risk.

Screen flickers can no longer be observed on affected laptops.

[Where problems could occur]
The fix becomes very specific, so any other combination won't be affected at

Kai-Heng Feng (1):
  UBUNTU: SAUCE: drm/i915/display/psr: Fix flicker on TGL + AUO panel

 drivers/gpu/drm/i915/display/intel_dp.c  |  2 +-
 drivers/gpu/drm/i915/display/intel_dp.h  |  2 ++
 drivers/gpu/drm/i915/display/intel_psr.c | 11 +++++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)


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