drm/amdgpu/jpeg2.0: add cancel_delayed_work_sync before power gate

commit ff48f6dbf0ff896c98d167a67a5b975fb034356b upstream.

Add cancel_delayed_work_sync before set power gating state
to avoid race condition issue when power gating.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
index 94caf5204c8bd409ae66d09a63b8edf6eeb9a42b..ae8c0f897d59b05a5a4a893f5eef937d096286bf 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
@@ -172,6 +172,8 @@ static int jpeg_v2_0_hw_fini(void *handle)
 {
        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+       cancel_delayed_work_sync(&adev->vcn.idle_work);
+
        if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
              RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
                jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);