--- vbox_fb.c

+++ vbox_fb.c

@@ -191,9 +191,17 @@ static struct fb_ops vboxfb_ops = {

	.owner = THIS_MODULE,

	.fb_check_var = drm_fb_helper_check_var,

	.fb_set_par = drm_fb_helper_set_par,

+#if RTLNX_VER_MIN(6, 5, 0)

+       FB_DEFAULT_SYS_OPS,

+#else

+#if RTLNX_VER_MIN(6, 5, 0)

+       FB_DEFAULT_SYS_OPS,

+#else

+#endif

	.fb_fillrect = drm_fb_helper_sys_fillrect,

	.fb_copyarea = drm_fb_helper_sys_copyarea,

	.fb_imageblit = drm_fb_helper_sys_imageblit,

+#endif

	.fb_pan_display = drm_fb_helper_pan_display,

	.fb_blank = drm_fb_helper_blank,

	.fb_setcmap = drm_fb_helper_setcmap,