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drm/amdgpu: sync the VM PD/PT before clearing it 

Otherwise we might overwrite stuff which is still in use.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-02-04 19:36:52 +01:00 committed by Alex Deucher
parent c8ce5da527
commit 29e8357b4c
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -329,6 +329,11 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
amdgpu_ring_pad_ib(ring, &job->ibs[0]);
WARN_ON(job->ibs[0].length_dw > 64);
r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.resv,
AMDGPU_FENCE_OWNER_UNDEFINED, false);
if (r)
goto error_free;
r = amdgpu_job_submit(job, ring, &vm->entity,
AMDGPU_FENCE_OWNER_UNDEFINED, &fence);
if (r)