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

[Stefan Bader]

On 27.02.23 10:36, Stefan Bader wrote:
> On 24.02.23 17:18, 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(-)
>>
> 
> Appears to selectively adjust things just for the 3 panels we believe 
> are broken. But should be marked as "UBUNTU: SAUCE:" when applying.
> 
> Acked-by: Stefan Bader <stefan.bader at canonical.com>
> 
> 
Stupid me, the patch itself is marked that way already.

- Stefan

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