[RFC v2 4/8] drm/amdgpu: Serialize non TDR gpu recovery with TDRs
andrey.grodzovsky at amd.com
Mon Jan 17 19:14:30 UTC 2022
Ping on the question
On 2022-01-05 1:11 p.m., Andrey Grodzovsky wrote:
>>> Also, what about having the reset_active or in_reset flag in the
>>> reset_domain itself?
>> Of hand that sounds like a good idea.
> What then about the adev->reset_sem semaphore ? Should we also move
> this to reset_domain ? Both of the moves have functional
> implications only for XGMI case because there will be contention over
> accessing those single instance variables from multiple devices
> while now each device has it's own copy.
> What benefit the centralization into reset_domain gives - is it for
> example to prevent one device in a hive trying to access through MMIO
> another one's
> VRAM (shared FB memory) while the other one goes through reset ?
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