diff options
| author | Evan Quan <evan.quan@amd.com> | 2020-03-27 11:20:29 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-04-01 14:44:45 -0400 |
| commit | 6b6706cdaca344a9279fe124bf87da040f5711fb (patch) | |
| tree | e8c1ae27bdad8db082f5454af5cb323748f1b9cd /drivers/gpu/drm/amd/powerplay/inc | |
| parent | a0ec225633d9f681e393a1827f29f02c837deb84 (diff) | |
| download | linux-6b6706cdaca344a9279fe124bf87da040f5711fb.tar.bz2 | |
drm/amd/powerplay: added mutex protection on msg issuing
This could avoid the possible race condition.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kenneth Feng <kenneth.feng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/inc')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h index 2ffb666b97e6..15ed6cbdf366 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h @@ -743,6 +743,7 @@ struct pp_hwmgr { bool pm_en; bool pp_one_vf; struct mutex smu_lock; + struct mutex msg_lock; uint32_t pp_table_version; void *device; |