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drm/amdgpu: add reference for **fence

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fix fence is released when pass to **fence sometimes.
add reference for it.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian K?nig <christian.koenig@amd.com>
This commit is contained in:
Chunming Zhou
2015-08-12 12:58:31 +08:00
committed by Alex Deucher
parent 1ffd265243
commit 281b422301
11 changed files with 15 additions and 3 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -366,6 +366,7 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
&fence);
if (!r)
amdgpu_bo_fence(bo, fence, true);
fence_put(fence);
if (amdgpu_enable_scheduler) {
amdgpu_bo_unreserve(bo);
return 0;
@@ -495,6 +496,7 @@ int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
if (r)
goto error_free;
amdgpu_bo_fence(pd, fence, true);
fence_put(fence);
}
if (!amdgpu_enable_scheduler || ib->length_dw == 0) {
@@ -812,6 +814,7 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
fence_put(*fence);
*fence = fence_get(f);
}
fence_put(f);
if (!amdgpu_enable_scheduler) {
amdgpu_ib_free(adev, ib);
kfree(ib);