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fbdev: Fix fb_find_nearest_mode refresh comparison

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Refresh rate nearness is not calculated or reset when nearest resolution
changes.

This patch resets the refresh rate differential measurement whenever a
new nearest resolution is discovered.  This fixes two error cases;
first, wherein the first mode's refresh rate differential is never
calculated and second, when the closest refresh rate from a previous
nearest resolution is erroneously preserved.

Signed-off-by: Andrew Kephart <andrew.kephart@alereon.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Andrew Kephart 2010-12-13 09:46:34 -06:00 committed by Paul Mundt
parent 6313e3c217
commit e504b84805
1 changed files with 1 additions and 0 deletions
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drivers/video/modedb.c
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@ -855,6 +855,7 @@ const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
abs(cmode->yres - mode->yres);
if (diff > d) {
diff = d;
diff_refresh = abs(cmode->refresh - mode->refresh);
best = cmode;
} else if (diff == d) {
d = abs(cmode->refresh - mode->refresh);