Mailinglist Archive: radeonhd (529 mails)

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Re: [radeonhd] Can radeonhd drive two displays with RandR disabled?
  • From: Matthias Hopf <mhopf@xxxxxxx>
  • Date: Tue, 4 Dec 2007 18:13:34 +0100
  • Message-id: <20071204171334.GE7612@xxxxxxx>
On Dec 03, 07 23:56:50 -0500, PinkFreud wrote:
I've been searching for an answer to the above question.
Unfortunately, all I've managed to get so far is 'yes, check the wiki
and xorg.conf(5)'. The wiki claims to provide an answer for a static

No, radeonhd currently has no non-RandR multihead setup code ATM.

* I do not yet have an X server with the PreferredMode bug fixed, and
do not wish to shoehorn a call to the xrandr util somewhere in my X
startup scripts just to get a sane video mode.

In that case: bad luck. Either one is necessary for many configuration
setups. The RandR mode handling is at least partially broken.

* My second head is an IBM P202 20" CRT. A shared desktop spanning a
17" lcd and 20" crt just does not look good, and RandR isn't much for
doing seperate desktops.

You can use multiple screen sections and a standard Xinerama-style
multihead setup. It won't work with 3d, but as we don't have that ATM...

There are several descriptions how to do that on the web. Just google
for Xinerama.

Matthias

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