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| author | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2018-03-14 18:45:22 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-03-15 22:34:15 +0300 |
| commit | 64350f1b7f00862991395ec98d56125f6ff0a00f (patch) | |
| tree | e2cff1431ad1a91c12b1089367306d83377381b4 | |
| parent | a3f73c8cf43858455a979d0f8354815e1443c496 (diff) | |
| download | linux-64350f1b7f00862991395ec98d56125f6ff0a00f.tar.xz | |
drm/amdgpu: Improve documentation of bo_ptr in amdgpu_bo_create_kernel
and amdgpu_bo_create_reserved.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index fc720603b970..6d08cde8443c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -175,13 +175,15 @@ void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *abo, u32 domain) * @size: size for the new BO * @align: alignment for the new BO * @domain: where to place it - * @bo_ptr: resulting BO + * @bo_ptr: used to initialize BOs in structures * @gpu_addr: GPU addr of the pinned BO * @cpu_addr: optional CPU address mapping * * Allocates and pins a BO for kernel internal use, and returns it still * reserved. * + * Note: For bo_ptr new BO is only created if bo_ptr points to NULL. + * * Returns 0 on success, negative error code otherwise. */ int amdgpu_bo_create_reserved(struct amdgpu_device *adev, @@ -244,12 +246,14 @@ error_free: * @size: size for the new BO * @align: alignment for the new BO * @domain: where to place it - * @bo_ptr: resulting BO + * @bo_ptr: used to initialize BOs in structures * @gpu_addr: GPU addr of the pinned BO * @cpu_addr: optional CPU address mapping * * Allocates and pins a BO for kernel internal use. * + * Note: For bo_ptr new BO is only created if bo_ptr points to NULL. + * * Returns 0 on success, negative error code otherwise. */ int amdgpu_bo_create_kernel(struct amdgpu_device *adev, |