Bug#439254: xserver-xorg-video-ati: Does not enable default resolution

Michel Dänzer daenzer at debian.org
Thu Aug 23 09:56:38 PDT 2007


On Thu, 2007-08-23 at 18:30 +0200, Michael Biebl wrote:
> 
> Screen 0: minimum 320 x 200, current 1280 x 768, maximum 1600 x 1200
> 
> VGA-0 disconnected (normal left inverted right)
> LVDS connected 1280x768+0+0 (normal left inverted right) 0mm x 0mm
>    1680x1050      60.7 +
>    1280x800       60.0  
>    1280x768       60.0* 
>    1024x768       60.0  
>    800x600        60.3  
>    640x480        59.9  
> S-video disconnected (normal left inverted right)
> 
> So 1280x768 is chosen by the xserver, although 1680x1050 is my default.

Others have explained this, not sure why it doesn't choose 1280x800 though.


> I can switch to my preferred solution via xrandr -s 1680x1050, but that doesn't
> work e.g. for gdm.

Funny, that shouldn't work given the above...


> Besides from this, the new driver seems to work stable so far and my
> glxgears rates (I know it's not  benchmark ^_^) are even 10% higher.

Maybe the older driver unnecessarily enabled the second CRTC, wasting
memory bandwidth.


> Will test the TV-Out and VGA output later. Do I have to use xrandr to
> enable them? The radeon manpage doesn't list any options anymore howto
> enable them.

You can use xrandr at runtime, or see the xorg.conf manpage about the
monitor section (not sure this is already documented in the 1.3.0
manpage though).


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer




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