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drm/amdgpu: use sched fence if possible 

when preemption feature lands, the SA bo should rely on sched
fence, because hw fence will be invalid after its job preempted
or skipped.

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2016-03-17 13:57:09 +08:00 committed by Alex Deucher
parent 73cfa5f5ce
commit 676d8c24f3
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
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@ -70,9 +70,12 @@ int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
void amdgpu_job_free(struct amdgpu_job *job)
{
unsigned i;
struct fence *f;
/* use sched fence if available */
f = (job->base.s_fence)? &job->base.s_fence->base : job->fence;
for (i = 0; i < job->num_ibs; ++i)
amdgpu_sa_bo_free(job->adev, &job->ibs[i].sa_bo, job->fence);
amdgpu_sa_bo_free(job->adev, &job->ibs[i].sa_bo, f);
fence_put(job->fence);
amdgpu_bo_unref(&job->uf.bo);