how to disable gathering Display dimensions in xorg 7.3

Alek Uritsky auritsky at
Fri Mar 7 13:26:31 PST 2008

But the problem is that on smaller displays (PCs) the font size is normal.
I need to change the font size only when the box is connected to certain 
displays, not sure how this can be done.


----- Original Message ----- 
From: "Adam Jackson" <ajackson at>
To: "Alek Uritsky" <auritsky at>
Cc: <xorg at>
Sent: Friday, March 07, 2008 4:21 PM
Subject: Re: how to disable gathering Display dimensions in xorg 7.3

> On Fri, 2008-03-07 at 15:53 -0500, Alek Uritsky wrote:
>> Hello,
>> I have upgraded to Fedora 8 and now xorg is automatically adjusting
>> fonts which results in the small fonts on my GUI program when played
>> on big display. I tracked this down to the xorg using build in ddc to
>> automatically extract display information from the display. Is it
>> possible to disable this activity of xorg, or what would be the
>> workaround to retain the normal size of fonts? (this problem does not
>> exist on Fedora 6 with xorg 7.1. Disabling DDC option in xorg.conf
>> solves the problem but I need this option to deal with different
>> monitors, and using Displaysize does not help)
> Don't attempt to disable it.  Change the size of your fonts.
> If you want a really big hammer to change all your fonts at once, change
> Xft's dpi preference.  But the font people tell me I'm evil for
> suggesting this.  Alternatively, force the DPI the server reports by
> starting it with the -dpi option.
> But really.  Fix your fonts.  X is telling the truth about your display
> size as best it can.
> - ajax

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