drm/amdgpu: expose amdgpu_bo_create_shadow()

Exposed amdgpu_bo_create_shadow() will be needed
for amdgpu_vm handling.
Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

@@ -625,9 +625,9 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
 	return r;
 }
 
-static int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
-				   unsigned long size,
-				   struct amdgpu_bo *bo)
+int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
+			    unsigned long size,
+			    struct amdgpu_bo *bo)
 {
 	struct amdgpu_bo_param bp;
 	int r;

drivers/gpu/drm/amd/amdgpu/amdgpu_object.h

@@ -271,6 +271,9 @@ int amdgpu_bo_create_user(struct amdgpu_device *adev,
 			  struct amdgpu_bo_user **ubo_ptr);
 void amdgpu_bo_free_kernel(struct amdgpu_bo **bo, u64 *gpu_addr,
 			   void **cpu_addr);
+int amdgpu_bo_create_shadow(struct amdgpu_device *adev,
+			    unsigned long size,
+			    struct amdgpu_bo *bo);
 int amdgpu_bo_kmap(struct amdgpu_bo *bo, void **ptr);
 void *amdgpu_bo_kptr(struct amdgpu_bo *bo);
 void amdgpu_bo_kunmap(struct amdgpu_bo *bo);