Bug: amdgpu stutter and spam `Fence fallback timer expired` after suspend

Konstantin Kharlamov hi-angel at yandex.ru
Wed Jan 5 21:33:54 UTC 2022

Btw, please keep me on CC as I am not subscribed to the lists

On Thu, 2022-01-06 at 00:26 +0300, Konstantin Kharlamov wrote:
> Hello! Just a heads up to this report
> https://gitlab.freedesktop.org/drm/amd/-/issues/1850
> Basically, after waking up on suspend there're freezes in apps using amdgpu,
> and there's a spam in syslog `Fence fallback timer expired on ring …`.
> I bisected that to a commit 
>         5a7b95fb993ec399c8a685552aa6a8fc995c40bd i2c: core: support bus
> regulator controlling in adapter
> Since the commit is not in AMDGPU, I send this email to linux-i2c. The commit
> author CCed as well.
> Should I send a revert, or is there a way to fix this?

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