CMT: [SRU][O][PATCH 0/4] drm/xe: Fix LNL gpu getting wedged after idling

[Timo Aaltonen]

Guoqing Jiang kirjoitti 30.10.2024 klo 18.00:
> Hi,
> 
> On 10/30/24 15:51, Timo Aaltonen wrote:
>> BugLink: https://bugs.launchpad.net/bugs/2085944
>>
>> [Impact]
>>
>> Leaving a system with Lunar Lake idle for an hour or so will end up 
>> with the display driver getting
>> wedged requiring a reboot.
>>
>> This is fixed upstream by this commit:
>>
>> commit 22ef43c78647dd37b0dafe2182b8650b99dbbe59
>> Author: Badal Nilawar <badal.nilawar at intel.com>
>> Date: Thu Oct 17 16:44:10 2024 +0530
>>
>>      drm/xe/guc/ct: Flush g2h worker in case of g2h response timeout
>>
>> but in order to apply cleanly, we also need a set of three patches 
>> which are already in v6.11.5
>>
>> [Test case]
>>
>> Boot a patched kernel on LNL, leave it idle for a couple of hours/ 
>> overnight and check that it's
>> still working normally.
>>
>> Badal Nilawar (1):
>>    drm/xe/guc/ct: Flush g2h worker in case of g2h response timeout
>>
>> Matthew Auld (3):
>>    drm/xe/guc_submit: fix xa_store() error checking
>>    drm/xe/ct: prevent UAF in send_recv()
>>    drm/xe/ct: fix xa_store() error checking
> 
> Looks the above three missed one original SOB
> 
> Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
> 
> and relevant cherry-pick info.

I used the linux.git/master as the source, not stable. Confusingly, the 
fourth one has cherry-pick info there as well.


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