+nva3_bo_move_copy(struct nouveau_channel *chan, struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *old_mem, struct ttm_mem_reg *new_mem)
+{
+ struct nouveau_mem *node = old_mem->mm_node;
+ u64 src_offset = node->vma[0].offset;
+ u64 dst_offset = node->vma[1].offset;
+ u32 page_count = new_mem->num_pages;
+ int ret;
+
+ page_count = new_mem->num_pages;
+ while (page_count) {
+ int line_count = (page_count > 8191) ? 8191 : page_count;
+
+ ret = RING_SPACE(chan, 11);
+ if (ret)
+ return ret;
+
+ BEGIN_NV04(chan, NvSubCopy, 0x030c, 8);
+ OUT_RING (chan, upper_32_bits(src_offset));
+ OUT_RING (chan, lower_32_bits(src_offset));
+ OUT_RING (chan, upper_32_bits(dst_offset));
+ OUT_RING (chan, lower_32_bits(dst_offset));
+ OUT_RING (chan, PAGE_SIZE);
+ OUT_RING (chan, PAGE_SIZE);
+ OUT_RING (chan, PAGE_SIZE);
+ OUT_RING (chan, line_count);
+ BEGIN_NV04(chan, NvSubCopy, 0x0300, 1);
+ OUT_RING (chan, 0x00000110);
+
+ page_count -= line_count;
+ src_offset += (PAGE_SIZE * line_count);
+ dst_offset += (PAGE_SIZE * line_count);
+ }
+
+ return 0;
+}
+
+static int