From 24dda235e48b6330dd7cba605bff25b2b1e54257 Mon Sep 17 00:00:00 2001
From: mlelstv <mlelstv@NetBSD.org>
Date: Mon, 28 Mar 2022 11:21:40 +0000
Subject: [PATCH] Add helper to detach genfb console.

---
 sys/dev/wsfb/genfb.c    | 15 +++++++++++++--
 sys/dev/wsfb/genfbvar.h |  3 ++-
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/sys/dev/wsfb/genfb.c b/sys/dev/wsfb/genfb.c
index 5912f896a282..f68f99d7f0b7 100644
--- a/sys/dev/wsfb/genfb.c
+++ b/sys/dev/wsfb/genfb.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: genfb.c,v 1.85 2021/12/24 18:12:58 jmcneill Exp $ */
+/*	$NetBSD: genfb.c,v 1.86 2022/03/28 11:21:40 mlelstv Exp $ */
 
 /*-
  * Copyright (c) 2007 Michael Lorenz
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.85 2021/12/24 18:12:58 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: genfb.c,v 1.86 2022/03/28 11:21:40 mlelstv Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -835,6 +835,17 @@ genfb_cnattach(void)
 	genfb_cnattach_called = 1;
 }
 
+int
+genfb_cndetach(void)
+{
+
+	if (genfb_cnattach_called) {
+		genfb_cnattach_called = 0;
+		return 1;
+	}
+	return 0;
+}
+
 void
 genfb_disable(void)
 {
diff --git a/sys/dev/wsfb/genfbvar.h b/sys/dev/wsfb/genfbvar.h
index e73240a5a75a..680bd95a11b4 100644
--- a/sys/dev/wsfb/genfbvar.h
+++ b/sys/dev/wsfb/genfbvar.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: genfbvar.h,v 1.26 2021/01/27 22:42:53 macallan Exp $ */
+/*	$NetBSD: genfbvar.h,v 1.27 2022/03/28 11:21:40 mlelstv Exp $ */
 
 /*-
  * Copyright (c) 2007 Michael Lorenz
@@ -167,6 +167,7 @@ struct genfb_softc {
 };
 
 void	genfb_cnattach(void);
+int	genfb_cndetach(void);
 void	genfb_disable(void);
 int	genfb_is_console(void);
 int	genfb_is_enabled(void);