HOWTO: X700 with DualHead MergedFB and dri for Debian SID

Fri Apr 27 12:28:16 PDT 2007

Hi.
I have made a list for setting up X700 DualHead with MergedFB and DRI.
Thank all of you for your help!

1st Download and install xserver-xorg-video-ati >=6.6.191-1 (now is in
experimental)

2nd. Make your xorg.conf look like the one attached. Important items:

Section "Device"
	Identifier  "Default Device"
	Driver      "radeon"
	busid "PCI:1:0:0"
	Option "MergedFB" "true"
	Option "MonitorLayout" "TMDS,CRT" #DO NOT USE TMDS,TMDS or the
secondary screen will be black
	Option "CRT2Position" "RightOf"
	Option "Metamodes" "1280x1024-1280x1024"
	Option      "CRT2HSync" "31-83"
        Option      "CRT2VRefresh" "56-76"
	Option      "EnablePageFlip" "1"
	Option 	"ColorTiling" "1"
	Option 	"AccelMethod" "EXA"
EndSection

Section "DRI"
	Mode         0666
EndSection

Section "Extensions"
  Option "Composite" "Enable"
EndSection
Section "Module"
....
Load "dri"
Load "glx"
....
EndSection

3rd
rmmod fglrx #If necessary
modprobe radeon
Add radeon to your /etc/modules

4th restart X

5th test
run LIBGL_DEBUG=verbose glxinfo
if you get a unresolved symbol error remove fglrx-driver from your system

6th run your favorite 3d app in both screens :D

THANK YOU LIST!!!!

-- 
Ricardo Ribalda
http://www.ii.uam.es/~rribalda/
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