[PATCH 3/5] drm/amd/amdgpu: add amdgpu_bo_gpu_accessible helper function

[Nicolai Hähnle]

From: Nicolai Hähnle <nicolai.haehnle at amd.com>

Signed-off-by: Nicolai Hähnle <nicolai.haehnle 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,
-- 
2.7.4