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#1 2004-09-30 16:45:54

phrakture
Arch Overlord
From: behind you
Registered: 2003-10-29
Posts: 7,879
Website

WXGA laptop resolution problems

Ok everybody, here is my problem, in detail... I am unsure if this is a config problem or a driver problem, but on the offchance that it is fixable, I will post here.

My laptop has a WXGA 17" widescreen, Geforce FX Go5200, and a native (windows) resolution of 1440x900.

The nvidia driver (6111) internally has the ability to probe EDID info and grab monitor resolutions.  The problem is that MOST laptop monitors report incorrect EDID information... mine, of course, does this as well - it reports 1024x768, 800x600 and 640x480....(puke!)

So, I must turn off EDID proping on the nvidia driver

Option "IgnoreEDID" "true"

and manually put in my Modelines in the monitor section.

Using

gft 1440 900 60

(as all DFP displays should run at 60 Hz) I grabbed an appropriate Modeline for my monitor and inserted it into the xorg.conf file.

Now, when X boots, xvidtune reports a resolution of 1440x900, and xdpyinfo reports 1440x1024... essentially I have a desktop at 1440x900 with a virtual size of 1440x1024 (scrolling desktop)...

I can simply run

xrandr -s 1440x900

and switch it to 1440x900, however I'd let to get the config working so I do not have to do this.

Looking for comments/suggestions.
Thanks in advance,

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#2 2004-09-30 18:29:54

dp
Member
From: Zürich, Switzerland
Registered: 2003-05-27
Posts: 3,366
Website

Re: WXGA laptop resolution problems

maybe you should set the virtual size explicitely:

Section "Screen"
...
  SubSection "Display"
     .....
     Virtual     1440 900
   EndSubSection
...
EndSection

The impossible missions are the only ones which succeed.

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#3 2004-09-30 20:53:27

phrakture
Arch Overlord
From: behind you
Registered: 2003-10-29
Posts: 7,879
Website

Re: WXGA laptop resolution problems

Hmmm I can try that when I get home... hopefully that works...

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