drm_fb_helper_unregister_fbi(&afbdev->helper);
 
        if (afb->obj) {
-               drm_gem_object_unreference_unlocked(afb->obj);
+               drm_gem_object_put_unlocked(afb->obj);
                afb->obj = NULL;
        }
        drm_fb_helper_fini(&afbdev->helper);
 
 {
        struct ast_framebuffer *ast_fb = to_ast_framebuffer(fb);
 
-       drm_gem_object_unreference_unlocked(ast_fb->obj);
+       drm_gem_object_put_unlocked(ast_fb->obj);
        drm_framebuffer_cleanup(fb);
        kfree(fb);
 }
 
        ast_fb = kzalloc(sizeof(*ast_fb), GFP_KERNEL);
        if (!ast_fb) {
-               drm_gem_object_unreference_unlocked(obj);
+               drm_gem_object_put_unlocked(obj);
                return ERR_PTR(-ENOMEM);
        }
 
        ret = ast_framebuffer_init(dev, ast_fb, mode_cmd, obj);
        if (ret) {
-               drm_gem_object_unreference_unlocked(obj);
+               drm_gem_object_put_unlocked(obj);
                kfree(ast_fb);
                return ERR_PTR(ret);
        }
                return ret;
 
        ret = drm_gem_handle_create(file, gobj, &handle);
-       drm_gem_object_unreference_unlocked(gobj);
+       drm_gem_object_put_unlocked(gobj);
        if (ret)
                return ret;
 
        bo = gem_to_ast_bo(obj);
        *offset = ast_bo_mmap_offset(bo);
 
-       drm_gem_object_unreference_unlocked(obj);
+       drm_gem_object_put_unlocked(obj);
 
        return 0;
 
 
 {
        struct ast_private *ast = dev->dev_private;
        ttm_bo_kunmap(&ast->cache_kmap);
-       drm_gem_object_unreference_unlocked(ast->cursor_cache);
+       drm_gem_object_put_unlocked(ast->cursor_cache);
 }
 
 int ast_mode_init(struct drm_device *dev)
 
        ast_show_cursor(crtc);
 
-       drm_gem_object_unreference_unlocked(obj);
+       drm_gem_object_put_unlocked(obj);
        return 0;
 fail:
-       drm_gem_object_unreference_unlocked(obj);
+       drm_gem_object_put_unlocked(obj);
        return ret;
 }