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fbmon: fix EDID parser to detect interlace modes

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The current EDID parser in the linux kernel ignores interlace modes.  The
patch looks for the edid interlace flag and adjusts the vertical
resolution if it is found.

Signed-off-by: Jon Dufresne <jon.dufresne@gmail.com>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jon Dufresne 2008-10-15 22:03:49 -07:00 committed by Linus Torvalds
parent c1fd1c0764
commit 1a3b09dc9a
1 changed files with 7 additions and 1 deletions
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8
drivers/video/fbmon.c
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@ -564,7 +564,13 @@ static void get_detailed_timing(unsigned char *block,
mode->sync |= FB_SYNC_VERT_HIGH_ACT;
mode->refresh = PIXEL_CLOCK/((H_ACTIVE + H_BLANKING) *
(V_ACTIVE + V_BLANKING));
mode->vmode = 0;
if (INTERLACED) {
mode->yres *= 2;
mode->upper_margin *= 2;
mode->lower_margin *= 2;
mode->vsync_len *= 2;
mode->vmode |= FB_VMODE_INTERLACED;
}
mode->flag = FB_MODE_IS_DETAILED;
DPRINTK(" %d MHz ", PIXEL_CLOCK/1000000);