radeon driver only detecting one monitor

[Friedrich W. H. Kossebau]

Am Montag 07 November 2005 22:59, schrieb Alex Deucher:
> On 11/7/05, Friedrich W. H. Kossebau <Friedrich.W.H at kossebau.de> wrote:
> > Hi Lynx, Alex, list!
> >
> > Am Montag 07 November 2005 22:11, schrieb Alex Deucher:
> > > On 11/7/05, lynx.abraxas at freenet.de <lynx.abraxas at freenet.de> wrote:
> > > > Hallo!
> > > >
> > > >
> > > > My problem is:
> > > >
> > > > When  I  start Xorg with my TFT-monitor conected to my laptop only my
> > > > external TFT gets detected and thus leads to X running only on that
> > > > one. And  I  can't get xinerama or dual config to work.
> > >
> > > you need to force the second head on with the monitorlayout option if
> > > the driver fails to detect teh second monitor. see the radeon man page
> > > for more info.  e.g., add this to the device section of your config:
> > > Option "MonitorLayout" "LVDS, CRT"
> >
> > If only this would work everywhere. Accidently I played around with the X
> > settings of my Radeon Mobility 9000 (M9) Lf (AGP) just yesterday and
> > found the detection of the external monitor to fail if one is not going
> > the MergedFb road.
>
> setting mergedfb to true automatically forces on both outputs.  the
> detection is the same either way.

For the record: 
Indeed, just tried MergedFB again and the secondary monitor is not detected, 
too :/

(WW) RADEON(0): Failed to detect secondary monitor DDC, default HSync and 
VRefresh used
(II) RADEON(0): MergedFB mode forced on.

Regards
Friedrich
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