APPLIED[U]: [SRU] [K/L/Unstable/OEM-6.1] [PATCH 0/1] Fix SHP 5457 panel flicker when PSR2 sel fetch is enabled

[Andrea Righi]

On Sat, Feb 25, 2023 at 12:18:19AM +0800, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/2007516
> 
> [Impact]
> Panel SHP 5457 which can be found on XPS 9320 flickers when PSR2 sel
> fetch is enabled.
> 
> [Fix]
> Disable PSR2 sel fetch as temporary workaround.
> 
> [Test]
> PSR1 is enabled instead of PSR2. No more flicker can be observed.
> 
> [Where problems could occur]
> PSR is capricious, maybe PSR1 isn't enough for some unknown corner case.
> 
> Kai-Heng Feng (1):
>   UBUNTU: SAUCE: drm/i915/display/psr: Disable PSR2 sel fetch on panel
>     SHP 5457
> 
>  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 | 19 +++++++++++++++++++
>  3 files changed, 22 insertions(+), 1 deletion(-)

Applied to lunar/linux-unstable.

Thanks,
-Andrea