[Bug 204241] amdgpu fails to resume from suspend

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=204241

--- Comment #15 from Andreas Jackisch (andreas.jackisch at gmail.com) ---
(In reply to Ahzo from comment #14)
> Created attachment 285349 [details]
> Patch to prevent frequent resume failures
> ....
> Another way to prevent these frequent resume failures, while preserving the
> intention of this commit, is to simply call amdgpu_ib_pool_init directly
> after calling amdgpu_ucode_create_bo instead of directly before that.
> Attached is a patch doing it that way.
I applied the patch above to 5.3.2-gentoo. All 30 Suspend/Resume cycles using
rtcwake and a couple of manual cycles went OK.

I'll continue to use this setup and will report if it fails again or is still
OK after one week.

Thx for bisecting this issue and providing this fix as I assume it took some
time.

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