/** * rv770_copy_dma - copy pages using the DMA engine * * @rdev: radeon_device pointer * @src_offset: src GPU address * @dst_offset: dst GPU address * @num_gpu_pages: number of GPU pages to xfer * @fence: radeon fence object * * Copy GPU paging using the DMA engine (r7xx). * Used by the radeon ttm implementation to move pages if * registered as the asic copy callback. */