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drm/amdgpu: Reserve shared fence for eviction fence 

Need to reserve space for the shared eviction fence when initializing
a KFD VM.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling 2019-05-01 17:43:10 -04:00 committed by Alex Deucher
parent 88ccdf1d59
commit dd68722c42
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
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@ -897,6 +897,9 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info,
AMDGPU_FENCE_OWNER_KFD, false);
if (ret)
goto wait_pd_fail;
ret = reservation_object_reserve_shared(vm->root.base.bo->tbo.resv, 1);
if (ret)
goto reserve_shared_fail;
amdgpu_bo_fence(vm->root.base.bo,
&vm->process_info->eviction_fence->base, true);
amdgpu_bo_unreserve(vm->root.base.bo);
@ -910,6 +913,7 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info,
return 0;
reserve_shared_fail:
wait_pd_fail:
validate_pd_fail:
amdgpu_bo_unreserve(vm->root.base.bo);