On Wed, Nov 18, 2009 at 10:49:07 +0100,
Martin Jürgens <[email protected]> wrote:
> Hi, I am using a very old 17'' TFT (1280x1024) which does not provide
> any autodetection data. Thus, only the resolution of 800x600 is
> autodetected. I'd like to provide KMS a custom modeline at boot up so
> that it uses my TFT's real resolution. How can I do that / what kernel
> parameter do I have to use?
I use xorg.conf files for this. It doesn't affect early boot, but does apply
later. Here is one I use on a system with an nVidia card using nouveau:
# Xorg configuration created by system-config-display
Section "ServerLayout"
Identifier "single head configuration"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
EndSection
Section "InputDevice"
# keyboard added by system-config-display
Identifier "Keyboard0"
Driver "kbd"
Option "XkbModel" "pc105+inet"
Option "XkbLayout" "us"
EndSection
Section "Monitor"
Identifier "Monitor0"
ModelName "NEC MultiSync LCD2010X"
HorizSync 31.0 - 80.0
VertRefresh 56.0 - 85.0
Modeline "1280x1024_70.00" 129.00 1280 1368 1504 1728 1024 1027 1034
1069 -hsync +vsync
Option "dpms"
EndSection
Section "Device"
Identifier "Videocard0"
Driver "nouveau"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Videocard0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Virtual 1280 1024
Depth 24
Modes "1280x1024_70.00"
EndSubSection
EndSection
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