diff options
| author | Evan Quan <evan.quan@amd.com> | 2019-10-16 14:43:07 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-25 16:50:09 -0400 |
| commit | 3697b339c64f82af195fd3cc6492ef26b6dfcd47 (patch) | |
| tree | 3823065f99f5769f0b8774cd298a45d520bbc0de /drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | |
| parent | 6aec5bb4892a2c4881261532e99eef86e5f1c734 (diff) | |
drm/amd/powerplay: add lock protection for swSMU APIs V2
This is a quick and low risk fix. Those APIs which
are exposed to other IPs or to support sysfs/hwmon
interfaces or DAL will have lock protection. Meanwhile
no lock protection is enforced for swSMU internal used
APIs. Future optimization is needed.
V2: strip the lock protection for all swSMU internal APIs
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Acked-by: Feifei Xu <Feifei.Xu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/arcturus_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c index 90d871af8e58..f644378ff1a2 100644 --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c @@ -763,8 +763,6 @@ static int arcturus_force_clk_levels(struct smu_context *smu, uint32_t soft_min_level, soft_max_level; int ret = 0; - mutex_lock(&(smu->mutex)); - soft_min_level = mask ? (ffs(mask) - 1) : 0; soft_max_level = mask ? (fls(mask) - 1) : 0; @@ -883,7 +881,6 @@ static int arcturus_force_clk_levels(struct smu_context *smu, break; } - mutex_unlock(&(smu->mutex)); return ret; } |