* Re: Linux 5.7-rc1 reboot/poweroff hangs
[not found] <b8eaee2b-21dd-c0de-f522-d58bb9ae31da@linuxfoundation.org>
@ 2020-04-17 18:12 ` Shuah Khan
0 siblings, 0 replies; only message in thread
From: Shuah Khan @ 2020-04-17 18:12 UTC (permalink / raw)
To: Linus Torvalds
Cc: Greg Kroah-Hartman, Linux Kernel Mailing List, Prike.Liang,
Alexander Deucher, stable
On 4/17/20 12:05 PM, Shuah Khan wrote:
> Hi Linus,
>
> Linux 5.7-rc1 reboot/powereoff hangs on AMD Ryzen 5 PRO 2400GE
> system.
>
> I isolated the commit to:
>
> Revering the following commit fixes the problem.
>
> commit 487eca11a321ef33bcf4ca5adb3c0c4954db1b58
> Author: Prike Liang <Prike.Liang@amd.com>
> Date: Tue Apr 7 20:21:26 2020 +0800
>
> drm/amdgpu: fix gfx hang during suspend with video playback (v2)
>
> The system will be hang up during S3 suspend because of SMU is
> pending for GC not respose the register CP_HQD_ACTIVE access
> request.This issue root cause of accessing the GC register under
> enter GFX CGGPG and can be fixed by disable GFX CGPG before perform
> suspend.
>
I can send a revert, however it appears this is a fix for a suspend
hang.
thanks,
-- Shuah
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2020-04-17 18:12 ` Linux 5.7-rc1 reboot/poweroff hangs Shuah Khan
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