80 	int r;  in radeon_ttm_global_init()  local
88 	r = drm_global_item_ref(global_ref);  in radeon_ttm_global_init()
89 	if (r != 0) {  in radeon_ttm_global_init()
92 		return r;  in radeon_ttm_global_init()
102 	r = drm_global_item_ref(global_ref);  in radeon_ttm_global_init()
103 	if (r != 0) {  in radeon_ttm_global_init()
106 		return r;  in radeon_ttm_global_init()
262 	int r, ridx;  in radeon_move_blit()  local
303 	r = ttm_bo_move_accel_cleanup(bo, &fence->base,  in radeon_move_blit()
306 	return r;  in radeon_move_blit()
319 	int r;  in radeon_move_vram_ram()  local
331 	r = ttm_bo_mem_space(bo, &placement, &tmp_mem,  in radeon_move_vram_ram()
333 	if (unlikely(r)) {  in radeon_move_vram_ram()
334 		return r;  in radeon_move_vram_ram()
337 	r = ttm_tt_set_placement_caching(bo->ttm, tmp_mem.placement);  in radeon_move_vram_ram()
338 	if (unlikely(r)) {  in radeon_move_vram_ram()
342 	r = ttm_tt_bind(bo->ttm, &tmp_mem);  in radeon_move_vram_ram()
343 	if (unlikely(r)) {  in radeon_move_vram_ram()
346 	r = radeon_move_blit(bo, true, no_wait_gpu, &tmp_mem, old_mem);  in radeon_move_vram_ram()
347 	if (unlikely(r)) {  in radeon_move_vram_ram()
350 	r = ttm_bo_move_ttm(bo, true, no_wait_gpu, new_mem);  in radeon_move_vram_ram()
353 	return r;  in radeon_move_vram_ram()
366 	int r;  in radeon_move_ram_vram()  local
378 	r = ttm_bo_mem_space(bo, &placement, &tmp_mem,  in radeon_move_ram_vram()
380 	if (unlikely(r)) {  in radeon_move_ram_vram()
381 		return r;  in radeon_move_ram_vram()
383 	r = ttm_bo_move_ttm(bo, true, no_wait_gpu, &tmp_mem);  in radeon_move_ram_vram()
384 	if (unlikely(r)) {  in radeon_move_ram_vram()
387 	r = radeon_move_blit(bo, true, no_wait_gpu, new_mem, old_mem);  in radeon_move_ram_vram()
388 	if (unlikely(r)) {  in radeon_move_ram_vram()
393 	return r;  in radeon_move_ram_vram()
403 	int r;  in radeon_bo_move()  local
426 		r = radeon_move_vram_ram(bo, evict, interruptible,  in radeon_bo_move()
430 		r = radeon_move_ram_vram(bo, evict, interruptible,  in radeon_bo_move()
433 		r = radeon_move_blit(bo, evict, no_wait_gpu, new_mem, old_mem);  in radeon_bo_move()
436 	if (r) {  in radeon_bo_move()
438 		r = ttm_bo_move_memcpy(bo, evict, no_wait_gpu, new_mem);  in radeon_bo_move()
439 		if (r) {  in radeon_bo_move()
440 			return r;  in radeon_bo_move()
535 	int r;  in radeon_ttm_tt_pin_userptr()  local
559 		r = get_user_pages(current, current->mm, userptr, num_pages,  in radeon_ttm_tt_pin_userptr()
561 		if (r < 0)  in radeon_ttm_tt_pin_userptr()
564 		pinned += r;  in radeon_ttm_tt_pin_userptr()
568 	r = sg_alloc_table_from_pages(ttm->sg, ttm->pages, ttm->num_pages, 0,  in radeon_ttm_tt_pin_userptr()
571 	if (r)  in radeon_ttm_tt_pin_userptr()
574 	r = -ENOMEM;  in radeon_ttm_tt_pin_userptr()
589 	return r;  in radeon_ttm_tt_pin_userptr()
627 	int r;  in radeon_ttm_backend_bind()  local
641 	r = radeon_gart_bind(gtt->rdev, gtt->offset, ttm->num_pages,  in radeon_ttm_backend_bind()
643 	if (r) {  in radeon_ttm_backend_bind()
646 		return r;  in radeon_ttm_backend_bind()
717 	int r;  in radeon_ttm_tt_populate()  local
753 	r = ttm_pool_populate(ttm);  in radeon_ttm_tt_populate()
754 	if (r) {  in radeon_ttm_tt_populate()
755 		return r;  in radeon_ttm_tt_populate()
867 	int r;  in radeon_ttm_init()  local
869 	r = radeon_ttm_global_init(rdev);  in radeon_ttm_init()
870 	if (r) {  in radeon_ttm_init()
871 		return r;  in radeon_ttm_init()
874 	r = ttm_bo_device_init(&rdev->mman.bdev,  in radeon_ttm_init()
880 	if (r) {  in radeon_ttm_init()
881 		DRM_ERROR("failed initializing buffer object driver(%d).\n", r);  in radeon_ttm_init()
882 		return r;  in radeon_ttm_init()
885 	r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_VRAM,  in radeon_ttm_init()
887 	if (r) {  in radeon_ttm_init()
889 		return r;  in radeon_ttm_init()
894 	r = radeon_bo_create(rdev, 256 * 1024, PAGE_SIZE, true,  in radeon_ttm_init()
897 	if (r) {  in radeon_ttm_init()
898 		return r;  in radeon_ttm_init()
900 	r = radeon_bo_reserve(rdev->stollen_vga_memory, false);  in radeon_ttm_init()
901 	if (r)  in radeon_ttm_init()
902 		return r;  in radeon_ttm_init()
903 	r = radeon_bo_pin(rdev->stollen_vga_memory, RADEON_GEM_DOMAIN_VRAM, NULL);  in radeon_ttm_init()
905 	if (r) {  in radeon_ttm_init()
907 		return r;  in radeon_ttm_init()
911 	r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT,  in radeon_ttm_init()
913 	if (r) {  in radeon_ttm_init()
915 		return r;  in radeon_ttm_init()
920 	r = radeon_ttm_debugfs_init(rdev);  in radeon_ttm_init()
921 	if (r) {  in radeon_ttm_init()
923 		return r;  in radeon_ttm_init()
930 	int r;  in radeon_ttm_fini()  local
936 		r = radeon_bo_reserve(rdev->stollen_vga_memory, false);  in radeon_ttm_fini()
937 		if (r == 0) {  in radeon_ttm_fini()
973 	int r;  in radeon_ttm_fault()  local
981 	r = ttm_vm_ops->fault(vma, vmf);  in radeon_ttm_fault()
983 	return r;  in radeon_ttm_fault()
990 	int r;  in radeon_mmap()  local
1001 	r = ttm_bo_mmap(filp, vma, &rdev->mman.bdev);  in radeon_mmap()
1002 	if (unlikely(r != 0)) {  in radeon_mmap()
1003 		return r;  in radeon_mmap()
1057 	int r;  in radeon_ttm_vram_read()  local
1076 		r = put_user(value, (uint32_t *)buf);  in radeon_ttm_vram_read()
1077 		if (r)  in radeon_ttm_vram_read()
1078 			return r;  in radeon_ttm_vram_read()
1109 	int r;  in radeon_ttm_gtt_read()  local
1126 			r = copy_to_user(buf, ptr, cur_size);  in radeon_ttm_gtt_read()
1129 			r = clear_user(buf, cur_size);  in radeon_ttm_gtt_read()
1131 		if (r)  in radeon_ttm_gtt_read()