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dma-buf: allow reserving more than one shared fence slot

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Let's support simultaneous submissions to multiple engines.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Link: https://patchwork.kernel.org/patch/10626149/
This commit is contained in:
Christian König 2018-09-19 16:12:25 +02:00
parent 27836b641c
commit ca05359f1e
16 changed files with 28 additions and 23 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@ -640,7 +640,7 @@ int amdgpu_bo_backup_to_shadow(struct amdgpu_device *adev,
bo_addr = amdgpu_bo_gpu_offset(bo);
shadow_addr = amdgpu_bo_gpu_offset(bo->shadow);
r = reservation_object_reserve_shared(bo->tbo.resv);
r = reservation_object_reserve_shared(bo->tbo.resv, 1);
if (r)
goto err;