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drm/edid: Fix the HDTV hack.

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Standard timings don't let you say 1366.  Both 1360 and 1368 have been
seen in the wild.  So invent a CVT timing for it.  CVT will round 1366 up
to 1368; we'll then manually underscan it.

Split this into two parts, since we need to do something sneaky between
them in the future.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Adam Jackson 2010-03-29 21:43:28 +00:00 committed by Dave Airlie
parent b17e52ef7e
commit a0910c8e37
1 changed files with 13 additions and 3 deletions
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16
drivers/gpu/drm/drm_edid.c
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@ -765,15 +765,25 @@ struct drm_display_mode *drm_mode_std(struct drm_device *dev,
vsize = (hsize * 4) / 5;
else
vsize = (hsize * 9) / 16;
/* HDTV hack */
if (hsize == 1360 && vsize == 765 && vrefresh_rate == 60) {
mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
/* HDTV hack, part 1 */
if (vrefresh_rate == 60 &&
((hsize == 1360 && vsize == 765) ||
(hsize == 1368 && vsize == 769))) {
hsize = 1366;
vsize = 768;
}
/* HDTV hack, part 2 */
if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
false);
mode->hdisplay = 1366;
mode->vsync_start = mode->vsync_start - 1;
mode->vsync_end = mode->vsync_end - 1;
return mode;
}
mode = NULL;
/* check whether it can be found in default mode table */
mode = drm_find_dmt(dev, hsize, vsize, vrefresh_rate);