--- linuxkpi/gplv2/include/linux/fb.h.orig	2022-05-31 08:17:34 UTC
+++ linuxkpi/gplv2/include/linux/fb.h
@@ -47,6 +47,11 @@ struct linux_fb_info {
 	struct fb_var_screeninfo var;	/* Current var */
 	struct fb_fix_screeninfo fix;	/* Current fix */
 
+	/*
+	* -1 by default, set to a FB_ROTATE_* value by the driver, if it knows
+	* a lcd is not mounted upright and fbcon should rotate to compensate.
+	*/
+	int fbcon_rotate_hint;
 	const struct fb_ops *fbops;
 	struct device *device;		/* This is the parent */
 	struct device *dev;		/* This is this fb device */