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drm/amdgpu: fix initializing the VM last eviction counter

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Close a very small window where something can go wrong.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-09-16 13:11:45 +02:00 committed by Alex Deucher
parent 2698f6206f
commit 2a82ec21b9
1 changed files with 6 additions and 2 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -1629,13 +1629,17 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
goto error_free_page_directory; goto error_free_page_directory;
r = amdgpu_vm_clear_bo(adev, vm, vm->page_directory); r = amdgpu_vm_clear_bo(adev, vm, vm->page_directory);
amdgpu_bo_unreserve(vm->page_directory);
if (r) if (r)
goto error_free_page_directory; goto error_unreserve;
vm->last_eviction_counter = atomic64_read(&adev->num_evictions); vm->last_eviction_counter = atomic64_read(&adev->num_evictions);
amdgpu_bo_unreserve(vm->page_directory);
return 0; return 0;
error_unreserve:
amdgpu_bo_unreserve(vm->page_directory);
error_free_page_directory: error_free_page_directory:
amdgpu_bo_unref(&vm->page_directory->shadow); amdgpu_bo_unref(&vm->page_directory->shadow);
amdgpu_bo_unref(&vm->page_directory); amdgpu_bo_unref(&vm->page_directory);