APPLIED: [SRU] [J] [PATCH 0/1] Fix PSR flickers on Intel TGL laptops + AUO panel

[Stefan Bader]

On 07.07.22 04:52, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1980087
> 
> [Impact]
> Screen flickers on certain Intel TGL laptops + AUO panel.
> 
> [Fix]
> Enable PSR2 selective fetch only for the specific case to minimize the
> regression risk.
> 
> Previously an upstream version of PSR fix was pulled, but it caused an
> regressoin on ADL + BOE panel [1]. So use a more cautious approach here.
> 
> [Test]
> 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
> all.
> 
> [1] https://bugs.launchpad.net/bugs/1979626
> 
> 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(-)
> 

Applied to jammy:linux/master-next. Thanks.

-Stefan

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