Module Name:    src
Committed By:   nat
Date:           Fri Jun  7 02:51:45 UTC 2024

Modified Files:
        src/sys/arch/mac68k/mac68k: machdep.c

Log Message:
Relax the video size sanity check.

If stride and height are defined, compute the required size.

Fixes external video on my Powerbook 160.

A similar approach is done for macfb - should the mv_len == 0 an appropriate
value is calculated.


To generate a diff of this commit:
cvs rdiff -u -r1.368 -r1.369 src/sys/arch/mac68k/mac68k/machdep.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/arch/mac68k/mac68k/machdep.c
diff -u src/sys/arch/mac68k/mac68k/machdep.c:1.368 src/sys/arch/mac68k/mac68k/machdep.c:1.369
--- src/sys/arch/mac68k/mac68k/machdep.c:1.368	Sun Jun  2 13:28:44 2024
+++ src/sys/arch/mac68k/mac68k/machdep.c	Fri Jun  7 02:51:45 2024
@@ -1,4 +1,4 @@
-/*	$NetBSD: machdep.c,v 1.368 2024/06/02 13:28:44 andvar Exp $	*/
+/*	$NetBSD: machdep.c,v 1.369 2024/06/07 02:51:45 nat Exp $	*/
 
 /*
  * Copyright (c) 1988 University of Utah.
@@ -74,7 +74,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.368 2024/06/02 13:28:44 andvar Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.369 2024/06/07 02:51:45 nat Exp $");
 
 #include "opt_adb.h"
 #include "opt_compat_netbsd.h"
@@ -2619,7 +2619,7 @@ get_mapping(void)
 	}
 	/* mv_len sanity check */
 	int reqsize = mac68k_video.mv_height * mac68k_video.mv_stride;
-	if (mac68k_video.mv_len != 0 && mac68k_video.mv_len < reqsize)
+	if (mac68k_video.mv_len < reqsize)
 		mac68k_video.mv_len = reqsize;
 
 	return load_addr;	/* Return physical address of logical 0 */

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