drm/amdgpu/mes: fix mes submission in atomic context

Browse source

For some cases (accessing registers, unmap legacy queue), it needs
access mes in atomic context. Use spinlock to protect agaist mes
ring buffer race condition.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Jack Xiao 2022-07-07 20:57:34 +08:00 • committed by Alex Deucher

parent 872642edaf

commit 35ba8850b6

4 changed files with 50 additions and 85 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

16

drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c

View file

1

drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h

View file

55

drivers/gpu/drm/amd/amdgpu/mes_v10_1.c

View file

63

drivers/gpu/drm/amd/amdgpu/mes_v11_0.c

View file