On 2016å¹´12æ??16æ?¥ 01:10, Nicolai Hähnle wrote:
> From: Nicolai Hähnle <nicolai.haehnle at amd.com>
>
> Signed-off-by: Nicolai Hähnle <nicolai.haehnle at amd.com>
Reviewed-by: Chunming Zhou <david1.zhou at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_object.h | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> index 4306b2f..15a723a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
> @@ -107,20 +107,29 @@ static inline unsigned amdgpu_bo_gpu_page_alignment(struct amdgpu_bo *bo)
> * amdgpu_bo_mmap_offset - return mmap offset of bo
> * @bo: amdgpu object for which we query the offset
> *
> * Returns mmap offset of the object.
> */
> static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
> {
> return drm_vma_node_offset_addr(&bo->tbo.vma_node);
> }
>
> +/**
> + * amdgpu_bo_gpu_accessible - return whether the bo is currently in memory that
> + * is accessible to the GPU.
> + */
> +static inline bool amdgpu_bo_gpu_accessible(struct amdgpu_bo *bo)
> +{
> + return bo->tbo.mem.mem_type != TTM_PL_SYSTEM;
> +}
> +
> int amdgpu_bo_create(struct amdgpu_device *adev,
> unsigned long size, int byte_align,
> bool kernel, u32 domain, u64 flags,
> struct sg_table *sg,
> struct reservation_object *resv,
> struct amdgpu_bo **bo_ptr);
> int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
> unsigned long size, int byte_align,
> bool kernel, u32 domain, u64 flags,
> struct sg_table *sg,
