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drm/amdgpu: add sched sync for amdgpu job v2

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this is an improvement for previous patch, the sched_sync is to store fence
that could be skipped as scheduled, when job is executed, we didn't need
pipeline_sync if all fences in sched_sync are signalled, otherwise insert
pipeline_sync still.

v2: handle error when adding fence to sync failed.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> (v1)
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chunming Zhou
2017-05-09 15:50:22 +08:00
committed by Alex Deucher
parent a022c54e60
commit df83d1ebc9
3 changed files with 17 additions and 5 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -1124,6 +1124,7 @@ struct amdgpu_job {
struct amdgpu_vm *vm;
struct amdgpu_ring *ring;
struct amdgpu_sync sync;
struct amdgpu_sync sched_sync;
struct amdgpu_ib *ibs;
struct dma_fence *fence; /* the hw fence */
uint32_t preamble_status;