Comment 16 for bug 894132

I'm also attaching my Xorg.conf and output of Xorg.0.log.

Section "ServerLayout"
    Option "Xinerama"
 Identifier "amdcccle Layout"
 Screen 0 "amdcccle-Screen[3]-0" 0 0
 Screen "amdcccle-Screen[3]-1" 3200 0
EndSection

Section "Monitor"
 Identifier "0-DFP1"
 Option "VendorName" "ATI Proprietary Driver"
 Option "ModelName" "Generic Autodetecting Monitor"
 Option "DPMS" "true"
 Option "PreferredMode" "1600x1200"
 Option "TargetRefresh" "60"
 Option "Position" "0 0"
 Option "Rotate" "normal"
 Option "Disable" "false"
EndSection

Section "Monitor"
 Identifier "0-DFP2"
 Option "VendorName" "ATI Proprietary Driver"
 Option "ModelName" "Generic Autodetecting Monitor"
 Option "DPMS" "true"
 Option "PreferredMode" "1600x1200"
 Option "TargetRefresh" "60"
 Option "Position" "1600 0"
 Option "Rotate" "normal"
 Option "Disable" "false"
EndSection

Section "Monitor"
 Identifier "1-DFP3"
 Option "VendorName" "ATI Proprietary Driver"
 Option "ModelName" "Generic Autodetecting Monitor"
 Option "DPMS" "true"
 Option "PreferredMode" "1600x1200"
 Option "TargetRefresh" "60"
 Option "Position" "0 0"
 Option "Rotate" "normal"
 Option "Disable" "false"
EndSection

Section "Device"
 Identifier "amdcccle-Device[3]-0"
 Driver "fglrx"
 Option "Monitor-DFP1" "0-DFP1"
 Option "Monitor-DFP2" "0-DFP2"
 BusID "PCI:3:0:0"
EndSection

Section "Device"
 Identifier "amdcccle-Device[3]-1"
 Driver "fglrx"
 Option "Monitor-DFP3" "1-DFP3"
 BusID "PCI:4:0:0"
EndSection

Section "Screen"
 Identifier "amdcccle-Screen[3]-0"
 Device "amdcccle-Device[3]-0"
 DefaultDepth 24
 SubSection "Display"
  Viewport 0 0
  Virtual 3200 3200
  Depth 24
 EndSubSection
EndSection

Section "Screen"
 Identifier "amdcccle-Screen[3]-1"
 Device "amdcccle-Device[3]-1"
 DefaultDepth 24
 SubSection "Display"
 EndSubSection
EndSection