From: James Zhu James.Zhu@amd.com
commit 0c6013377b4027e69d8f3e63b6bf556b6cb87802 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 --- drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c @@ -293,6 +293,8 @@ static int vcn_v2_0_hw_fini(void *handle struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec; int i;
+ cancel_delayed_work_sync(&adev->vcn.idle_work); + if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) || (adev->vcn.cur_state != AMD_PG_STATE_GATE && RREG32_SOC15(VCN, 0, mmUVD_STATUS)))