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drm/amdgpu/vcn2.5: add cancel_delayed_work_sync before power gate

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commit 2fb536ea42d557f39f70c755f68e1aa1ad466c55 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>
This commit is contained in:
James Zhu 2021-05-19 11:40:39 -04:00 committed by Greg Kroah-Hartman
parent efd47c9d58
commit bed5cc65ff
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
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@ -321,6 +321,8 @@ static int vcn_v2_5_hw_fini(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int i;
cancel_delayed_work_sync(&adev->vcn.idle_work);
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;