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HOWTO: Use xrandr with ATI
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Camillus
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PostPosted: Fri Apr 09, 2004 5:56 am    Post subject: HOWTO: Use xrandr with ATI Reply with quote

HOWTO: Use xrandr with ATI

This may be buried in the ATI Radeon sticky but more than 60 pages is a lot to sort through. . .

Simply, the xrandr command allows you to change the root window size, not the same as using <Ctrl> + <Alt> + <+> which changes the screen resolution but not the desktop size, allowing the desktop to be "scrolled" with the mouse.

If you have an ATI Radeon card and are using the driver fglrx you may get the following when you try the xrandr command.

Code:
# xrandr
Xlib:  extension "RANDR" missing on display ":0.0"


To enable xrandr you need to edit the /etc/X11/XF86Config-4 file (as root) so it looks like this (remove a # if it is at the front of the line).

Code:
Option    "omit xfree86-dga"   # don't initialise the DGA extension


Save the file and restart the X server (<Ctrl> + <Alt> + <Backspace>). Now the resolution can be changed with xrandr.
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CB2206
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PostPosted: Fri Aug 06, 2004 10:12 pm    Post subject: Reply with quote

hi,

thx for your hint.

unfortunately xrandr tells me now that rotations possible ist only "normal". why is this?
i use a samsung syncmaster 191t and an ati radeon 9200 se.

thx!
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Camillus
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PostPosted: Sat Aug 07, 2004 9:39 pm    Post subject: Reply with quote

Quote:
unfortunately xrandr tells me now that rotations possible ist only "normal". why is this?
i use a samsung syncmaster 191t and an ati radeon 9200 se.

What exactly is the message you get? When do you see it? I don't think that I can help but maybe someone else can.
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CB2206
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PostPosted: Sun Aug 08, 2004 5:48 pm    Post subject: Reply with quote

Code:

 SZ:    Pixels          Physical       Refresh
*0   1280 x 1024   ( 382mm x 313mm )  *75
 1   1024 x 768    ( 382mm x 313mm )   75
 2    832 x 624    ( 382mm x 313mm )   75
 3    800 x 600    ( 382mm x 313mm )   72
 4    640 x 480    ( 382mm x 313mm )   75
Current rotation - normal
Current reflection - none
Rotations possible - normal
Reflections possible - none

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_fiend
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PostPosted: Thu Aug 19, 2004 8:50 am    Post subject: Reply with quote

i'll try this howto and it's did'n solve my problem with radeon 9600...
Xorg.0.log:
Quote:
(II) Loading extension XFree86-Misc
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS

DGA extension didn't seems disabled :cry: and xrandr output is:
Quote:
Xlib: extension "RANDR" missing on display ":0.0"

please help me!
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MadMaxCZ
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PostPosted: Wed Apr 20, 2005 8:43 pm    Post subject: Reply with quote

_fiend wrote:
i'll try this howto and it's did'n solve my problem with radeon 9600...
Xorg.0.log:
Quote:
(II) Loading extension XFree86-Misc
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS

DGA extension didn't seems disabled :cry: and xrandr output is:
Quote:
Xlib: extension "RANDR" missing on display ":0.0"

please help me!


Look at
https://forums.gentoo.org/viewtopic-t-263313-start-0-postdays-0-postorder-asc-highlight-.html.
Maybe, it could help you. And maybe someone can help me:

How to rotate sreen?
I want to use pivot function on my LCD...
I have Ati Radeon 9200 and I use kernel radeon module (2.6.11-gentoo-r6). Everything works fine, 3D accel., etc., but I want the rotation... :roll:
See the link above for more details...
Thanks for help.
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BlinkEye
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PostPosted: Wed May 25, 2005 4:34 pm    Post subject: Reply with quote

i'd like to rotate my screen too (ati graphic card). i've found nothing about it on the web. any input?
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argasek
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PostPosted: Wed May 25, 2005 5:34 pm    Post subject: Reply with quote

The reason might be the limited functionality of FGLRX driver. I.e. rotation is propably not supported (yet).
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ksuther
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PostPosted: Thu Nov 24, 2005 6:01 am    Post subject: Reply with quote

Do the latest ati-drivers support xrandr rotation yet? I'm running 8.18.8-r1, as 8.19.10 doesn't build the DRM module properly, and they don't seem to support rotation.

When I run xrandr, normal is the only rotation listed as possible.

Has anyone actually got rotation to work with the ati-drivers? I've read about people getting it running under nVidia, but that isn't much help...

Thanks.
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oggialli
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PostPosted: Thu Nov 24, 2005 7:42 am    Post subject: Reply with quote

Yes, it works under nvidia, but no, it doesn't work with ATI.
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