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

[Maarten Lankhorst]

Op 27-01-2022 om 13:45 schreef Thomas Hellström:
>
> On 1/27/22 13:38, Maarten Lankhorst wrote:
>> 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.
>>
> Oh, I was looking at v1 version of the patch, but just noticed a hang. Didn't look to carefully at what was the cause.
>
> /Thomas
>
>
Thanks, pushed!