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drm/amdgpu/vcn: Hold pg_lock before vcn power off

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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>
This commit is contained in:
Sathishkumar S 2025-08-05 21:35:10 +05:30 committed by Alex Deucher
parent 0e7581eda8
commit 111821e4b5
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
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@ -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,