Commit 111821e4 authored by Sathishkumar S's avatar Sathishkumar S Committed by Alex Deucher
Browse files

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: default avatarSathishkumar S <sathishkumar.sundararaju@amd.com>
Reviewed-by: default avatarLeo Liu <leo.liu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 0e7581ed

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

+2 −0
Original line number Diff line number Diff line
@@ -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,