From: Gerd Hoffmann <kraxel@suse.de>
Date: Wed, 2 May 2007 17:27:19 +0000 (+0200)
Subject: [PATCH] x86-64: ignore vgacon if hardware not present
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f82af20e1a028e16b9bb11da081fa1148d40fa6a;p=deliverable%2Flinux.git

[PATCH] x86-64: ignore vgacon if hardware not present

Avoid trying to set up vgacon if there's no vga hardware present.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Alan <alan@lxorguk.ukuu.org.uk>
Acked-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 91a20785108a..3e67c34df9a5 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -371,7 +371,8 @@ static const char *vgacon_startup(void)
 	}
 
 	/* VGA16 modes are not handled by VGACON */
-	if ((ORIG_VIDEO_MODE == 0x0D) ||	/* 320x200/4 */
+	if ((ORIG_VIDEO_MODE == 0x00) ||	/* SCREEN_INFO not initialized */
+	    (ORIG_VIDEO_MODE == 0x0D) ||	/* 320x200/4 */
 	    (ORIG_VIDEO_MODE == 0x0E) ||	/* 640x200/4 */
 	    (ORIG_VIDEO_MODE == 0x10) ||	/* 640x350/4 */
 	    (ORIG_VIDEO_MODE == 0x12) ||	/* 640x480/4 */