problems with ati 9600 xinerama

[Matthieu Herrb]

Alex Deucher wrote:
> On Sun, 28 Nov 2004 10:22:54 +0100, Matthieu Herrb
> <matthieu.herrb at laas.fr> 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.
>>
>>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.
>>
> 
> 
> traditional multi-head should work as well.  It does on all my
> mult-head radeon cards.  for it to work you will need two devices
> sections with the same pci id and one with screen 0 and one with
> screen 1.  monitor detection has regressed on some systems in 6.8.x
> and can be fixed with this patch:
> https://bugs.freedesktop.org/show_bug.cgi?id=1559
> Without that patch, you can force the outputs to what you want using
> the Monitorlayout option in the screen 0 device config section of your
> xorg.conf:
> Option     "MonitorLayout" "CRT, CRT"
>

Ok, in my case it was a pilot error: I forgot to re-add the 'Screen' 
declarations in the Device sections for my card. In the case of the 
other OpenBSD user, I'm pretty sure bug 1559 applies.

Thanks for you help.
-- 
					Matthieu