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[PATCH] fbmon: horizontal frequency rounding fix

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Fix rounding error when mode frequency is very close to monitor limit

Signed-off-by: Jon Smirl <jonsmirl@gmail.com>
Acked-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jon Smirl 2005-07-27 11:46:03 -07:00 committed by Linus Torvalds
parent 4e4b7952cd
commit 0a793b77f7
1 changed files with 2 additions and 0 deletions
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2
drivers/video/fbmon.c
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@ -1241,6 +1241,8 @@ int fb_validate_mode(const struct fb_var_screeninfo *var, struct fb_info *info)
vtotal *= 2;
hfreq = pixclock/htotal;
hfreq = (hfreq + 500) / 1000 * 1000;
vfreq = hfreq/vtotal;
return (vfreq < vfmin || vfreq > vfmax ||