I configure xorg.conf for the laptop screen only and use nvidia-setting to setup twinview mode for the external screen (it does not require to restart X). It works fine so far.
Hope this help Hung On Fri, Jan 15, 2010 at 12:25 AM, Iain Buchanan <iai...@netspace.net.au>wrote: > Hi all, > > For a long time I've been using nvidia's twinview for two 1920x1200 > displays (laptop and external LCD). > > Whenever I dock / undock I have to run nvidia-settings to change the > resolution from the virtual 3840x1200 to 1920x1200 or vice versa. Also > since two screens is the "Default" I have to do this when I log in with > only the laptop. > > I am looking for a way to use the command line nvidia-settings (as much > as I've studied the help I can't find out how to do it - all attributes > seem read-only to the command line nvidia-settings) > > Then I can call nvidia-settings --some-options on a dock / undock event. > > Alternatively, I read in the nvidia-drivers README that you can use > metamodes and then use the FN-F8 (CRT/LCD switch key) to switch between > them. However, when I use metamodes I always get a 3840 wide screen, > and I can "scroll" left and right to the unseen space. > > These are the metamodes I've tried: > 1. The two-screen only metamode: > Option "metamodes" "DFP-0: 1920x1200 +1920+0, DFP-2: 1920x1200 > +0+0" > 2. attempt to use a 1920 metamode as well: > Option "metamodes" "DFP-0: 1920x1200; DFP-0: 1920x1200 +1920+0, > DFP-2: 1920x1200 +0+0" > 3. attempt 2: > Option "metamodes" "DFP-0: 1920x1200 +1920+0, DFP-2: 1920x1200 > +0+0; DFP-0: 1920x1200 +0+0," > > Here's my screen section (all other sections are basic): > Section "Screen" > Identifier "Screen0" > Device "Device0" > Monitor "Monitor0" > DefaultDepth 24 > Option "TwinView" "1" > Option "TwinViewXineramaInfoOrder" "DFP-2" > Option "metamodes" "DFP-0: 1920x1200 +1920+0, DFP-2: 1920x1200 > +0+0" > SubSection "Display" > Depth 24 > EndSubSection > EndSection > > Has anyone done a dynamic mode change with nvidia xinerama? > > thanks, > -- > Iain Buchanan <iaindb at netspace dot net dot au> > > If you have nothing to do, don't do it here. > > > > -- Hung Dang New Mexico State University
