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drm/amdgpu/jpeg3: add cancel_delayed_work_sync before power gate

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[ Upstream commit 20ebbfd22f8115a1e4f60d3d289f66be4d47f1ec ]

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: Sasha Levin <sashal@kernel.org>
This commit is contained in:
James Zhu
2021-05-19 12:08:20 -04:00
committed by Greg Kroah-Hartman
parent c129465480
commit 7fa8ee00b5
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c
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@@ -159,9 +159,9 @@ static int jpeg_v3_0_hw_init(void *handle)
static int jpeg_v3_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring;
ring = &adev->jpeg.inst->ring_dec;
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_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);