diff -durN linux-5.18.13-orig/drivers/video/fbdev/core/fbmem.c linux-5.18.13/drivers/video/fbdev/core/fbmem.c
--- linux-5.18.13-orig/drivers/video/fbdev/core/fbmem.c	2022-07-23 12:48:34.142705443 +0200
+++ linux-5.18.13/drivers/video/fbdev/core/fbmem.c	2022-07-23 12:39:48.167967810 +0200
@@ -19,7 +19,6 @@
 #include <linux/kernel.h>
 #include <linux/major.h>
 #include <linux/slab.h>
-#include <linux/sysfb.h>
 #include <linux/mm.h>
 #include <linux/mman.h>
 #include <linux/vt.h>
@@ -1788,17 +1787,6 @@
 		do_free = true;
 	}
 
-	/*
-	 * If a driver asked to unregister a platform device registered by
-	 * sysfb, then can be assumed that this is a driver for a display
-	 * that is set up by the system firmware and has a generic driver.
-	 *
-	 * Drivers for devices that don't have a generic driver will never
-	 * ask for this, so let's assume that a real driver for the display
-	 * was already probed and prevent sysfb to register devices later.
-	 */
-	sysfb_disable();
-
 	mutex_lock(&registration_lock);
 	do_remove_conflicting_framebuffers(a, name, primary);
 	mutex_unlock(&registration_lock);