radeon driver only detecting one monitor

[Michel Dänzer]

On Mon, 2005-11-14 at 23:25 +0100, lynx.abraxas at freenet.de wrote:
> 
> xvattr -a XV_SWITCHCRT -v 0
> xvattr -a XV_SWITCHCRT -v 1
> 
> when  starting  gmplayer with xvidix video-output it didn't change to show the
> video on the externel monitor. Do I have to do anything else?

You'd have to use an mplayer output plugin that the X server actually
has anything to do with, as opposed to xvidix, which pokes the hardware
behind the X server's back.


> > > The screensaver covers in mergedfb xinerama mode only the external TFT why is
> > > that?
> >
> > The 3d engine on the the r100 and r200 based chips only has 11 bit
> > coordinates (2048x2048), so the instance of the screen saver running
> > on the second head is beyond the coordinates so nothign shows up.
> 
> I have in my xorg.conf screen-section for mergedfb xinerama:
>    Virtual    2047 768   # 2047 to avoid bug with xscreensaver endgame ...
> So  I'm below the 2048x2048 limit for 3D but xscreensavers gl-hacks still only
> turn up on the external monitor. Under my SuSE XFree86 4.4.0  xscreensaver  is
> covering both monitors with a separate running hack (e.g. two different chess-
> boards of endgame) both nicely accelerated. Isn't that also  possible  to  get
> with Xorg? Under my LFS with Xorg running xscreensaver isn't even blanking the
> internal monitor.

Either Xinerama actually isn't enabled, or maybe xscreensaver was built
without support for it or otherwise misbuilt or -run.


-- 
Earthling Michel Dänzer      |     Debian (powerpc), X and DRI developer
Libre software enthusiast    |   http://svcs.affero.net/rm.php?r=daenzer