[Intel-gfx] [PATCH] drm/i915: Lock dpt_obj around set_cache_level, v2.

[Maarten Lankhorst]

Op 27-01-2022 om 13:09 schreef Thomas Hellström:
>
> On 1/27/22 13:05, Thomas Hellström wrote:
>>
>>> The bug on vm_close is a separate bug, and would probably best be
>>> fixed in a separate patch.
>>>
>>> Could I get a r-b on this? It should fix some issues, even if the
>>> unbind there is a separate bug.
>>>
>>> ~Maarten
>>>
>> Recognizing that it doesn't fix the vm_close issue,
>>
>> Reviewed-by: Thomas Hellström <thomas.hellstrom at linux.intel.com>
>
> Oh, BTW should probably carefully review those seemingly unrelated stall warnings from BAT to check whether the newly introduced object lock might stall a workqueue causing those.
>
> /Thomas

Which ones? I mostly see ext4 failures, where it doesn't seem to have any i915 lock held at all.