-void evergreen_blit_fini(struct radeon_device *rdev);
-/* evergreen blit */
-int evergreen_blit_prepare_copy(struct radeon_device *rdev, int size_bytes);
-void evergreen_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence);
-void evergreen_kms_blit_copy(struct radeon_device *rdev,
- u64 src_gpu_addr, u64 dst_gpu_addr,
- int size_bytes);