1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 7abae6867339..abd4084982a3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -58,6 +58,12 @@ struct amdgpu_mman {
         struct amd_sched_entity                 entity;
 };
 
+struct amdgpu_copy_mem {
+        struct ttm_buffer_object        *bo;
+        struct ttm_mem_reg              *mem;
+        unsigned long                   offset;
+};
+
 extern const struct ttm_mem_type_manager_func amdgpu_gtt_mgr_func;
 extern const struct ttm_mem_type_manager_func amdgpu_vram_mgr_func;
 
@@ -72,6 +78,12 @@ int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
                        struct reservation_object *resv,
                        struct dma_fence **fence, bool direct_submit,
                        bool vm_needs_flush);
+int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
+                               struct amdgpu_copy_mem *src,
+                               struct amdgpu_copy_mem *dst,
+                               uint64_t size,
+                               struct reservation_object *resv,
+                               struct dma_fence **f);
 int amdgpu_fill_buffer(struct amdgpu_bo *bo,
                         uint64_t src_data,
                         struct reservation_object *resv,