problems with ati 9600 xinerama

[Benjamin Herrenschmidt]

On Sun, 2004-11-28 at 10:22 +0100, Matthieu Herrb wrote:
> Chuck Mead wrote:
> 
> > I finally gave up on classic ximerama with this card and with 
> > the help of a user on freenode:#xorg I got the desktop I had been 
> > wanting using this config:
> > 
> > Section "Device"
> >         Identifier  "Videocard0"
> >         Driver      "radeon"
> >         VendorName  "ATI"
> >         BoardName   "ATI Radeon 9600"
> >         BusID       "PCI:1:0:0"
> >         Option "MergedFB" "True"
> >         Option "CRT2HSync" "30-70"
> >         Option "CRT2VRefresh" "50-160"
> >         Option "MonitorLayout" "CRT,CRT"
> >         Option "OverlayOnCRTC2" "true"
> >          Option "MetaModes" "1280x1024-1280x1024"
> >         Option "CRT2Position" "RightOf"
> > EndSection
> > 
> 
> Though, it may be interesting to understand why "traditional" dual-head 
> doesn't work anymore with radeons.

It works, you are missing Screen 0 ...

> I have a 9200 which also seem to only be able to use mergedfb with 
> X.Org, and I've one report of a OpenBSD user who was using traditional 
> multi-head on XFree86 4.4 with a radeon 7000, but cannot get it working 
> with X.Org 6.8.1.
> 
-- 
Benjamin Herrenschmidt <benh at kernel.crashing.org>