xf86-video-ati, XRandR 1.2, and what used to be MergedFB

Marius Groeger mgroeger at sysgo.com
Mon Sep 17 07:22:57 PDT 2007

On Mon, 17 Sep 2007, Jan Willies wrote:

> Section "Device"
> 	[...]
>          Option          "monitor-S-video"       "TV"
> EndSection
> Section "Monitor"
>          Identifier      "TV"
>          Option          "Enable"        "FALSE"
> EndSection

Yes, I have found this by now but it didn't do the trick.

> > But the real problem is that the VGA consistenly remains dark, even if
> > enabled via xrandr. Do you have a hint for this problem? Without this, 
> > the driver is unusable in a dual head setup. :-(
> I had the same trouble. For me it works only when disabling S-video 
> first and xrandr. this is my script in .xinitrc (you don't need the 
> modeline and addmode thingie I guess, it's because my monitor reports 
> faulty DDC values):
> xrandr --output S-video --off
> xrandr --newmode "1440x900"  106.50  1440 1528 1672 1904  900 903 909 
> 934 -hsync +vsync
> xrandr --addmode VGA-0 1440x900
> xrandr --output VGA-0 --auto
> xrandr --output VGA-0 --mode 1440x900
> xrandr --output VGA-0 --right-of LVDS
> it's the only solution I have found so far. Disabling via xorg.conf 
> didn't work for me. See https://bugs.freedesktop.org/show_bug.cgi?id=12392

Well, as I posted a couple of times now, this sequence just doesn't 
work here. It's as if there is a magic enable bit missing to in the 
display controller code, but I can't seem find it.


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