Mailinglist Archive: radeonhd (436 mails)

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[radeonhd] How to disable Scaled mode?
  • From: "Alec T. Habig" <habig@xxxxxxxxxxxxxxxxxx>
  • Date: Tue, 1 Jul 2008 11:37:25 -0500
  • Message-id: <20080701163725.GA24038@xxxxxxxxxxxxxxxxxx>
Hi folks,

Just updated to a snapshot which includes the new Scaler support, and am
having trouble controlling it. My setup is a 1920x1200 DVI-D_1 panel to
the left of my Thinkpad's 1400x1050 built-in PANEL (running on a FireGL
5200 M56 chip). I had been working with the laptop's panel having
virtual space off the bottom of the screen which was unused, that was
fine with me.

It's now coming up with the laptop being forced into "1920x1200Scaled"
mode, even though my PreferredMode is native 1400x1050, so I've got
this tiny letterboxed screen on my laptop next to my nice big external
monitor. With the laptop undocked, it works just fine in a
single-screen 1400x1050 mode.

How do I disable the scaling or force the native mode? trying it
manually with xrandr:

$ xrandr --output PANEL --mode 1400x1050
xrandr: Configure crtc 1 failed

and powers down the PANEL.

If this qualifies as a bug rather than a docs question I'll file a bug
report and attach logs etc.

thanks,
Alec

PS -

Had been running commit 45fdec79e523f3f9637c35a3d84c1fd9e61b9b21 (April
29) on my Fedora 9 system, switched to the latest F9 updates-testing rpm
today, which is commit 1eff3e783bf6cab33dad837ec0c4edc07d967f7c from
June 22.

Koji's down now so I can't get back the old rpm to compare to, but
hopefully it'll come back soon. It's been a while since I compiled from
git but could do so in a pinch.

--
Alec Habig, University of Minnesota Duluth Physics Dept.
habig@xxxxxxxxxxxxxxxxxx
http://neutrino.d.umn.edu/~habig/
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