diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index 0cd827e11fa20d8af7f038cecb8ea12465014523..de26df0c6044de127422999c669eeb5d68304a66 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -263,6 +263,7 @@ static void ast_fbdev_destroy(struct drm_device *dev,
 {
 	struct ast_framebuffer *afb = &afbdev->afb;
 
+	drm_crtc_force_disable_all(dev);
 	drm_fb_helper_unregister_fbi(&afbdev->helper);
 
 	if (afb->obj) {