svn commit: r231842 - head/sys/dev/fb
Jung-uk Kim
jkim at FreeBSD.org
Thu Feb 16 22:46:01 UTC 2012
Author: jkim
Date: Thu Feb 16 22:46:00 2012
New Revision: 231842
URL: http://svn.freebsd.org/changeset/base/231842
Log:
Make sure the VESA mode number is between 256 and 511 inclusive.
Modified:
head/sys/dev/fb/vesa.c
Modified: head/sys/dev/fb/vesa.c
==============================================================================
--- head/sys/dev/fb/vesa.c Thu Feb 16 22:33:53 2012 (r231841)
+++ head/sys/dev/fb/vesa.c Thu Feb 16 22:46:00 2012 (r231842)
@@ -1311,7 +1311,9 @@ vesa_set_mode(video_adapter_t *adp, int
if (!(info.vi_flags & V_INFO_GRAPHICS))
info.vi_flags &= ~V_INFO_LINEAR;
- if (vesa_bios_set_mode(mode | ((info.vi_flags & V_INFO_LINEAR) ? 0x4000 : 0)))
+ if ((info.vi_flags & V_INFO_LINEAR) != 0)
+ mode |= 0x4000;
+ if (vesa_bios_set_mode(mode))
return (1);
/* Palette format is reset by the above VBE function call. */
@@ -1329,7 +1331,7 @@ vesa_set_mode(video_adapter_t *adp, int
#if VESA_DEBUG > 0
printf("VESA: mode set!\n");
#endif
- vesa_adp->va_mode = mode;
+ vesa_adp->va_mode = mode & 0x1ff; /* Mode number is 9-bit. */
vesa_adp->va_flags &= ~V_ADP_COLOR;
vesa_adp->va_flags |=
(info.vi_flags & V_INFO_COLOR) ? V_ADP_COLOR : 0;
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