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Message #104702
[Bug 939950] Re: Dual head failing with Radeon [workaround]
Is this bug also relevant for a dual card setup?
I have two HD6570 cards rather than just one, so my 2nd monitor appears
as monitor 3 in the AMD control centre.
When I open the AMD Catalyst Catalyst Control Center (Administrative),
enable the 3rd monitor, reboot, and it's not saved the setting and the
monitor is still disabled. This all works fine on 12.04: I did a clean
install yesterday to verify.
The open source drivers work, to a fashion. But they are so buggy and
laggy that they're barely usable. I'd prefer to use OSS drivers, but
not the ones we have presently., but that's a different issue...
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to fglrx-installer in Ubuntu.
https://bugs.launchpad.net/bugs/939950
Title:
Dual head failing with Radeon [workaround]
Status in fglrx-installer package in Ubuntu:
Confirmed
Bug description:
I spent almost one week (not intensivelly) to fix AMD Radeon dual head
configuration.
This is for sure the most user unfriendlyness configuration i've ever
seen.
This where the steps i'd to use to be able to configure it (somewhat):
How to make latest AMD HD Radeon drivers to work on dual-head?
1. Download and install drivers
Drivers are available at:
http://support.amd.com/us/gpudownload/Pages/index.aspx
Select the options and download the driver
2. Setup drivers
Open a terminal option and run
sudo amd-driver-installer-xxx-xxx-x86.x86_64.run
sudo apt-get install gtk2-engines-pixbuf
sudo aticonfig --initial=dual-head -f
sudo aticonfig –set-pcs-str=”DDX,EnableRandR12,FALSE”
Edit /etc/X11/xorg.conf
There should exist two Section “Device”, one for device 0 and another for device 1.
Copy the Option “UseFastTLS” “1” from device 0 to device 1. Device 1 should be noted with a Screen 1 entry.
Force X to use the new configuration with:
sudo aticonfig --input=/etc/X11/xorg.conf --tls=1
3. Reboot
4. Call amdccle
Call amdccle either from a terminal with:
gksu amdccle
or on the “app search” of Unity type “amd” and it should appear both
with and without administrative powers. Choose the one with
administrative powers.
On the Multi-Display choose:
“Multi-display desktop with display(s) 1 or 2, depending on which you
want to be the primary display. [they could have a flag on each
display to tick when you want to swap who is primary, easier to
understand which will be the primary]
5. Reboot
6. Repeat step 4 (no kidding, at first time, the multi-display will be setup as clone not as we asked).
7. With lots of luck you ended up like me, with a dual-head computer and both monitors working properly!
Notes:
If you don't issue the “dual-head” on the aticonfig, it may not pick
the second monitor.
References:
http://wiki.cchtml.com/index.php/Ubuntu_Jaunty_Installation_Guide#Dual.2FMulti_Monitors
http://phoronix.com/forums/showthread.php?18553-Ubuntu-9-04-amp-
Catalyst-9-7-%28fglrx%29
http://wiki.cchtml.com/index.php/Ubuntu_Natty_Installation_Guide
http://www.linuxquestions.org/questions/linux-desktop-74/how-to-setup-
dual-monitors-with-big-desktop-on-ati-card-683258/
http://www.jumpingbean.co.za/blogs/mark/linux-ati-driver-tutorial-how-
to
http://en.gentoo-wiki.com/wiki/X.Org/Dual_Monitors/ATI
http://www.x.org/wiki/FAQVideoModes
http://support.amd.com/us/gpudownload/Pages/index.aspx
Forum:
http://www.rage3d.com/board/forumdisplay.php?f=88
http://ubuntuforums.org/forumdisplay.php?f=334
xorg.conf content after all changes:
Section "ServerLayout"
Identifier "aticonfig Layout"
Screen 0 "aticonfig-Screen[0]-0" 0 0
EndSection
Section "Module"
EndSection
Section "Monitor"
Identifier "aticonfig-Monitor[0]-0"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
EndSection
Section "Monitor"
Identifier "aticonfig-Monitor[0]-1"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
EndSection
Section "Monitor"
Identifier "0-DFP5"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
Option "PreferredMode" "1920x1080"
Option "TargetRefresh" "60"
Option "Position" "0 0"
Option "Rotate" "normal"
Option "Disable" "false"
EndSection
Section "Monitor"
Identifier "0-DFP4"
Option "VendorName" "ATI Proprietary Driver"
Option "ModelName" "Generic Autodetecting Monitor"
Option "DPMS" "true"
Option "PreferredMode" "1680x1050"
Option "TargetRefresh" "60"
Option "Position" "1920 0"
Option "Rotate" "normal"
Option "Disable" "false"
EndSection
Section "Device"
Identifier "aticonfig-Device[0]-0"
Driver "fglrx"
Option "UseFastTLS" "1"
Option "Monitor-DFP5" "0-DFP5"
Option "Monitor-DFP4" "0-DFP4"
BusID "PCI:2:0:0"
EndSection
Section "Device"
Identifier "aticonfig-Device[0]-1"
Driver "fglrx"
Option "UseFastTLS" "1"
Option "Monitor-DFP4" "0-DFP4"
BusID "PCI:2:0:0"
Screen 1
EndSection
Section "Screen"
Identifier "aticonfig-Screen[0]-0"
Device "aticonfig-Device[0]-0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Virtual 3600 1920
Depth 24
EndSubSection
EndSection
Section "Screen"
Identifier "aticonfig-Screen[0]-1"
Device "aticonfig-Device[0]-1"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
EndSubSection
EndSection
Discussions and hints:
Another example of xorg.conf from a discussion on the first reference.
start xorg.conf
Section "Monitor"
Identifier "Configured Monitor"
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
DefaultDepth 24
SubSection "Display"
Virtual 1920 1200
EndSubSection
EndSection
Section "Module"
Load "dri"
Load "GLcore"
Load "glx"
EndSection
Section "Device"
Identifier "Configured Video Device"
Option "EnablePageFlip" "1"
Option "ColorTiling" "1"
Option "AccelMethod" "XAA"
Option "DynamicClocks" "true"
Driver "radeon"
EndSection
1. end xorg.conf
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