Follow up to ATI V3400 and FirePRO 2260 on Linux (Ubuntu)

Howdy-

A while ago I posted requesting help on getting both a ATI FireGL V3400 
and FirePRO 2260 working in Ubuntu Linux. At the time I was using Ubuntu 
10.04 with the proprietary ATI fglrx drivers and Catylist Control Center.

I finally got both cards (4 monitors) working. Using Mint 11 (Ubuntu 
11.04) and the ATI open source drivers. It's a bit screwed up in that 
the top 2 monitors of the array are considered a separate workspace and 
I can't use Compiz (although Metacity isn't that bad). Still working out 
the kinks but so far, I'm just happy to have all 4 monitors working in 
Linux as opposed to just 2. When logging in, the 2260 xrandr config 
works fine (two separate monitors, l/r).. The V3400 requires messing 
with the xrandr config to get the dual dvi's to work as well as 
repositioning them for l/r). I'm sure there's probably a "cleaner" way 
to do this all in the xorg.conf.

Here's my /etc/X11/xorg.conf in case anybody has come across a similar 
problem trying to get two ATI cards not supported by the proprietary 
"unified" driver. I still need to work out some small annoyances 
(especially in the GDM login screen) but after 4 hours of fiddling, I'm 
in no rush.

BottomCard = ATI Fire PRO 2260 (PCI) with DisplayPorts
TopCard = ATI FireGL V3400 (dual dvi out)

HTH,
cj

 >>

Section "ServerLayout"
	Identifier "MyLayout"
	Screen 0 "DellFP1" 0 0
	Screen 1 "DellFP2" RightOf "DellFP1"
	Screen 2 "DellTopFP3" Above "DellFP1"
	Screen 3 "DellTopFP4" Above "DellTopFP3"
EndSection

Section "Module"
	Load		"glx"
EndSection

Section "ServerFlags"
	Option		"Xinerama" "off"
	Option		"RandR"	"on"
	Option		"Clone" "off"
	Option		"DontZap" "off"
EndSection

Section "Monitor"
	Identifier	"DellFP1"
	Option		"DPMS" "true"
EndSection

Section "Monitor"
         Identifier      "DellFP2"
         Option          "DPMS" "true"
EndSection

Section "Monitor"
         Identifier      "DellTopFP3"
         Option          "DPMS" "true"
EndSection

Section "Monitor"
         Identifier      "DellTopFP4"
         Option          "DPMS" "true"
EndSection

Section "Device"
   Identifier  "BottomCard"
   Driver      "ati"
   BusID       "PCI:6:0:0"
   Option      "monitor-DisplayPort-0" "DellFP1"
   Option      "monitor-DisplayPort-1" "DellFP2"
EndSection

Section "Device"
   Identifier  "TopCard"
   Driver      "ati"
   BusID       "PCI:1:0:0"
   Option      "monitor-DVI-0" "DellTopFP3"
   Option      "monitor-DVI-1" "DellTopFP4"
EndSection

Section "Screen"
   Identifier   "DellFP1"
   Device       "BottomCard"
   Monitor      "DellFP1"
   DefaultDepth 24
   SubSection "Display"
         Modes   "1440x900"
   EndSubSection
EndSection

Section "Screen"
   Identifier   "DellFP2"
   Device       "BottomCard"
   Monitor      "DellFP2"
   DefaultDepth 24
   SubSection "Display"
	Modes  "1440x900"
   EndSubSection
EndSection

Section "Screen"
   Identifier   "DellTopFP3"
   Device       "TopCard"
   Monitor      "DellTopFP3"
   DefaultDepth 24
   SubSection "Display"
	Modes	"1366x768"
   EndSubSection
EndSection

Section "Screen"
   Identifier   "DellTopFP4"
   Device       "TopCardRight"
   Monitor      "DellTopFP4"
   DefaultDepth 24
   SubSection "Display"
         Modes   "1366x768"
   EndSubSection
EndSection
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