Dear Prike, dear Alex, dear Linux folks,
Am 13.04.20 um 10:44 schrieb Paul Menzel:
A regression between causes a system with the AMD board MSI B350M MORTAR
(MS-7A37) with an AMD Ryzen 3 2200G not to power off any more but just
to halt.
The regression is introduced in 9ebe5422ad6c..b032227c6293. I am in the
process to bisect this, but maybe somebody already has an idea.
I found the Easter egg:
commit 487eca11a321ef33bcf4ca5adb3c0c4954db1b58
Author: Prike Liang <Prike.Liang@xxxxxxx>
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.
v2: Use disable the GFX CGPG instead of RLC safe mode guard.
Signed-off-by: Prike Liang <Prike.Liang@xxxxxxx>
Tested-by: Mengbing Wang <Mengbing.Wang@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
It reverts cleanly on top of 5.7-rc1, and this fixes the issue.
Greg, please do not apply this to the stable series. The commit message
doesn’t even reference a issue/bug report, and doesn’t give a detailed
problem description. What system is it?
Dave, Alex, how to proceed? Revert? I created issue 1094 [1].
Kind regards,
Paul
[1]: https://gitlab.freedesktop.org/drm/amd/-/issues/1094
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