[Bug 19459] Resolution and VT switch result on white screen at internal Laptopdisplay on X700

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=19459





--- Comment #17 from Alex Deucher <agd5f at yahoo.com>  2009-03-27 10:23:22 PST ---
(In reply to comment #16)
> Still same symptoma with latest git. However i noticed when i add Hsync and
> Vrefresh to the Monitorsection like this : 
>  HorizSync    48.9 - 48.9
>  VertRefresh  60.0 - 60.0
> at least the modes in the xorg.log have the correct hsync and vrefresh (without
> hysnc for any mode other then 1280x800 gets wrong calculated). On
> resolutionchange and vt-switch still the whitescreen. Would it be possible for
> the driver to allow only the hysnc and vrefresh of the native-mode, and skip
> mode-calculation ?

The non-native mode timings don't matter since they aren't used.  The only
relevant parts are the hdisplay and vdisplay.  The panel is always driven with
native timing and the scaler scales up from the non-native mode size to the
native one.


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