Commit 0e7581ed authored by Sathishkumar S's avatar Sathishkumar S Committed by Alex Deucher
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drm/amdgpu/jpeg: Hold pg_lock before jpeg poweroff 



Acquire jpeg_pg_lock before changes to jpeg power state
and release it after power off from 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 0b4d79da

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

+4 −2
Original line number Diff line number Diff line
@@ -121,10 +121,12 @@ static void amdgpu_jpeg_idle_work_handler(struct work_struct *work) 
			fences += amdgpu_fence_count_emitted(&adev->jpeg.inst[i].ring_dec[j]);

	}



	if (!fences && !atomic_read(&adev->jpeg.total_submission_cnt))

	if (!fences && !atomic_read(&adev->jpeg.total_submission_cnt)) {

		mutex_lock(&adev->jpeg.jpeg_pg_lock);

		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_JPEG,

						       AMD_PG_STATE_GATE);

	else

		mutex_unlock(&adev->jpeg.jpeg_pg_lock);

	} else

		schedule_delayed_work(&adev->jpeg.idle_work, JPEG_IDLE_TIMEOUT);

}