diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index 9052ebeae8d0..0cd827e11fa2 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -266,7 +266,7 @@ static void ast_fbdev_destroy(struct drm_device *dev,
 	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);
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 262c2c0e43b4..cb05e8e79eb9 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -387,7 +387,7 @@ static void ast_user_framebuffer_destroy(struct drm_framebuffer *fb)
 {
 	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);
 }
@@ -429,13 +429,13 @@ ast_user_framebuffer_create(struct drm_device *dev,
 
 	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);
 	}
@@ -627,7 +627,7 @@ int ast_dumb_create(struct drm_file *file,
 		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;
 
@@ -675,7 +675,7 @@ ast_dumb_mmap_offset(struct drm_file *file,
 	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;
 
diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
index 724c16bb6a62..fea790b0edfa 100644
--- a/drivers/gpu/drm/ast/ast_mode.c
+++ b/drivers/gpu/drm/ast/ast_mode.c
@@ -934,7 +934,7 @@ static void ast_cursor_fini(struct drm_device *dev)
 {
 	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)
@@ -1199,10 +1199,10 @@ static int ast_cursor_set(struct drm_crtc *crtc,
 
 	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;
 }