Dual head with different resolutions, MGA G500

[Alex Deucher]

On 9/21/05, Alex Deucher <alexdeucher at gmail.com> wrote:
> On 9/21/05, Simo Kauppi <swk at nic.fi> wrote:
> > On Wed, Sep 21, 2005 at 09:22:14AM -0400, Alex Deucher wrote:
> > > On 9/21/05, Simo Kauppi <swk at nic.fi> wrote:
> > > > On Sun, Sep 18, 2005 at 02:52:20AM +0300, Daniil V. Kolpakov wrote:
> > > > > ? ????????? ?? Saturday 17 September 2005 14:26 Simo Kauppi ???????(a):
> > > > > > I think my problem is the fact that I use an LCD-display with DVI as the
> > > > > > first head. I've tried the same display with analog interface (connected
> > > > > > to the DVI with an adapter) but then it seems that it does not wake up at
> > > > > > all in the boot.
> > > > >
> > > > > I use analog outputs for both head; yes, one head doesn't wake up on boot, but
> > > > > so what. In the text console both heads show the same picture anyway :)
> > > > >
> > > > > --
> > > > > /dev/brains: permission denied
> > > > >
> > > > > Please avoid sending me Word or PowerPoint attachments.
> > > > > See http://www.gnu.org/philosophy/no-word-attachments.html
> > > >
> > > > Of course, thanks for waking _me_ up :)
> > > >
> > > > I got confused because my first head is the LCD and the second head is
> > > > the projector, which is behind my back. Obviously I use the LCD for my
> > > > daily work and use the projector when I need to look something in the
> > > > big screen. Swithing the cables the other way gives me a working
> > > > configuration.
> > > >
> > > > Now the only problem is that the projector becomes the primary screen,
> > > > i.e. login/logout needs to happen in that screen. Is there any way to
> > > > switch the heads so that the display connected to the analog connector
> > > > is the primary screen for X?
> > > >
> > >
> > > try option "SwappedHead" "true"
> >
> > Doesn't do the trick :( Do you know what that is meant for? It sure
> > sounds like it should swap the heads, but is it supposed to work without
> > the Matrox drivers? I couldn't find it in the X.org documentation.
> >
>
> I'm not sure if it works without HAL or not.  I just vaguely recalled
> that option from back when I used to have a Matrox card.  As I recall,
> it was used to swap the crtc <-> output mapping since the bios tended
> to be inconsistent.  You might also check the GDM configuration files,
> I think there is an option to force it to a particular screen.
>

Actually, just swap which screen sections are Screen 0 vs Screen 1 in
your serverlayout.

Alex


Alex


> Alex
>
> > > Alex
> > >
> > > >
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> > > > =rs0k
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> > > >
> >
> > Simo
> > --
> > :r ~/.signature
> >
> >
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> > A/TchK5TYHQeU425tJIwsVM=
> > =4ZKo
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> >
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