[ltp] Screen expansion. Want to avoid.

[Alex Deucher]

On Thu, 13 Jan 2005 09:23:42 +0100, Bob Alexander <bob@ngi.it> wrote:
> Some time ago I was complaining that when in gnome I changed my T40 LCD
> screen resoltuion from it's native 1400x1050 to something smaller, the
> fonts where not very crisp.
> 
> I have misled myself anf this list (sorry) stating that "screen
> expansion" was off.
> 
> This is true in the BIOS but now that my brain started working agagin I
> realize that even when I go to 800x600, all the LCD pixels remain lit
> and no black border shows around.
> 
> WinXP on the same machine "obeys" the BIOS settings.
> 
> What should I change in my X config or elsewhere to avoid the "screen
> expansion" ?
> 
> My configs and other data are on:
> 
> http://chefacciamo.xwiki.com/xwiki/bin/view/Debian/2610
> 
> Thank you,
> Bob

There's really no way to avoid the expansion at the moment. The RMX
unit is automatically enabled for LVDS and TMDS outputs.  The
workaround would be to fix the driver to add an option to turn RMX on
or off or use crtc2 with the LVDS controller.

Alex