Op 20-05-09 13:09, Oliver Block schreef: > Dear Éric, > > On Wed, May 20, 2009 at 11:49:30AM +0200, Éric Piel wrote: > [...] >> From what I understand you want "panning". I would do it with this command: >> xrandr --output PANEL --mode 1680x1050 --panning 1920x1080 > I cannot try this actually, since I only have xrandr 1.2 > >> However, it requires xrandr 1.3, I don't know if your driver has already >> support for this new version. > I an not really sure what panning means. Would this mean that the laptop > panel would display the part of the screen where the mouse moves (like > if it would be virtual) and the external monitor would display the whole > screen in 1920x1080? Yes, exactly.
> This would be okay, but if the laptop would display > a fixed area of the screen it would also be okay. Mainly I want that the > external screen runs at 1920x1080 and I do not know how to do this, > since xrandr does not list this mode. If the laptop's panel doesn't have to move, it's possible to do this just with xrandr 1.2. As the 1920x1080 modeline seems to be detected and accepted by the driver, it's a bit weird why it doesn't appears in xrandr. Maybe should you try with a more recent xserver/radeonhd? Otherwise, have you tried forcing the mode of the VGA_1 output? Something like: xrandr --newmode "1920x1080n" 148.50 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync xrandr --addmode VGA_1 "1920x1080n" xrandr --output VGA_1 --mode "1920x1080n" Eric
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