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Issue with open source radeon driver and 2 monitors
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91337
n00b
n00b


Joined: 15 Mar 2010
Posts: 12

PostPosted: Wed Oct 19, 2011 5:38 pm    Post subject: Issue with open source radeon driver and 2 monitors Reply with quote

Hi Guys,

I got a "small" problem setting up my X environment to dual monitor mode without cloned output.

I tried several tutorials I found on the Internet but none seems to work.

My goal is to set up my monitors to be screens next to each other with one desktop stretched over both of them. It seems that i can do whatever I want. I can't get my system to get out of cloned output mode. :\

output of xrandr:
Code:
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 16384 x 16384
DisplayPort-0 disconnected (normal left inverted right x axis y axis)
DisplayPort-1 disconnected (normal left inverted right x axis y axis)
HDMI-0 disconnected (normal left inverted right x axis y axis)
DVI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm
   1920x1080      60.0*+
   1600x1200      60.0 
   1680x1050      60.0 
   1280x1024      75.0     60.0 
   1280x960       60.0 
   1152x864       75.0 
   1152x720       60.0 
   1024x768       75.1     60.0 
   832x624        74.6 
   800x600        75.0     60.3 
   640x480        75.0     60.0 
   720x400        70.1 
DVI-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm
   1920x1080      60.0*+
   1600x1200      60.0 
   1680x1050      60.0 
   1280x1024      75.0     60.0 
   1280x960       60.0 
   1152x864       75.0 
   1152x720       60.0 
   1024x768       75.1     60.0 
   832x624        74.6 
   800x600        75.0     60.3 
   640x480        75.0     60.0 
   720x400        70.1


Does anyone know what I need to do to set this up in xorg.conf the way I described it above? (Btw: I need to set this up using xorg.conf for power saving stuff and other things)

Any help is greatly appreciated.

Thanks in advance for your replies!
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Ant P.
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Joined: 18 Apr 2009
Posts: 6013

PostPosted: Wed Oct 19, 2011 6:51 pm    Post subject: Reply with quote

Code:
xrandr --output DVI-1 --right-of DVI-0

That'll make it work immediately. For xorg.conf search for RightOf in the manpage; the mechanism is exactly the same.
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91337
n00b
n00b


Joined: 15 Mar 2010
Posts: 12

PostPosted: Wed Oct 19, 2011 6:53 pm    Post subject: Reply with quote

Ant P. wrote:
Code:
xrandr --output DVI-1 --right-of DVI-0


Argh, i should've read your comment to the end ^^... yeah i did a lot of reading in the manpage. problem is that this simply does not work :\
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Jaglover
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Joined: 29 May 2005
Posts: 7328
Location: Saint Amant, Acadiana

PostPosted: Wed Oct 19, 2011 6:59 pm    Post subject: Reply with quote

Do you have xinerama flag enabled?
_________________
Please learn how to denote units correctly!
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91337
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Joined: 15 Mar 2010
Posts: 12

PostPosted: Wed Oct 19, 2011 7:28 pm    Post subject: Reply with quote

Jaglover wrote:
Do you have xinerama flag enabled?


yes i do. xinerama is in my make.conf USE definition.
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