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drm/amdgpu: restore uvd fence seq in uvd resume

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otherwise, uvd block will be never powered up in ring begin_use()
callback. uvd ring test will be fail in resume in rumtime pm.

Signed-off-by: Jim Qu <Jim.Qu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jim Qu 2017-12-18 10:08:38 +08:00 committed by Alex Deucher
parent 8daf94e900
commit 3b1186fd2a
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
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@ -346,6 +346,8 @@ int amdgpu_uvd_resume(struct amdgpu_device *adev)
ptr += le32_to_cpu(hdr->ucode_size_bytes);
}
memset_io(ptr, 0, size);
/* to restore uvd fence seq */
amdgpu_fence_driver_force_completion(&adev->uvd.ring);
}
return 0;