diff options
| author | Sathishkumar S <sathishkumar.sundararaju@amd.com> | 2025-08-05 21:35:10 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-08-06 14:34:54 -0400 |
| commit | 111821e4b5a3105c42c7c99f4abd4d8af9f64248 (patch) | |
| tree | 9d3f3b508e52235c05d8175370ce47c7ea100b1b /drivers | |
| parent | 0e7581eda8c76d1ca4cf519631a4d4eb9f82b94c (diff) | |
drm/amdgpu/vcn: Hold pg_lock before vcn power off
Acquire vcn_pg_lock before changes to vcn power state
and release it after power off in idle work handler.
Signed-off-by: Sathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 050a5411aae5..9a76e11d1c18 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -443,7 +443,9 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work) fences += fence[i]; if (!fences && !atomic_read(&vcn_inst->total_submission_cnt)) { + mutex_lock(&vcn_inst->vcn_pg_lock); vcn_inst->set_pg_state(vcn_inst, AMD_PG_STATE_GATE); + mutex_unlock(&vcn_inst->vcn_pg_lock); mutex_lock(&adev->vcn.workload_profile_mutex); if (adev->vcn.workload_profile_active) { r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO, |