REPOST PATCH: freq_rounding.patch

From: Jon Smirl <hidden>
Date: 2005-06-23 19:22:43
Subsystem: framebuffer layer, the rest · Maintainers: Helge Deller, Linus Torvalds

What is the status of this patch? It hasn't made it into linus' tree yet.

-- 
Jon Smirl
jonsmirl@gmail.com

#Fix rounding error when mode frequency is very close to monitor limit
#Signed-off-by: Jon Smirl [off-list ref]
diff --git a/drivers/video/fbmon.c b/drivers/video/fbmon.c
--- a/drivers/video/fbmon.c
+++ b/drivers/video/fbmon.c
@@ -1241,6 +1241,8 @@ int fb_validate_mode(const struct fb_var
 		vtotal *= 2;
 
 	hfreq = pixclock/htotal;
+	hfreq = (hfreq + 500) / 1000 * 1000;
+	
 	vfreq = hfreq/vtotal;
 
 	return (vfreq < vfmin || vfreq > vfmax ||


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