On Mon, 2010-09-20 at 18:21 +0300, Stefan Mathe wrote: > Hello, > > I'm having problems configuring the dual-head display using an NVidia > Quadro NVS 295 display card. It uses two identical LCD monitors (model > HP LP2475w), connected using DP cables. If I connect one single monitor > (either to the DP-1 or to the DP-2 output), the desktop shows up > correctly. If I connect both monitors, only the left monitor shows the > image, and the desktop is extended as if the second monitor were showing > something. But the right monitor remains blank. This is expected. Nouveau can't fully program a native DP output on its own yet, and relies on assistance from the video BIOS. As such, only displays which have previously been initialised by the VBIOS will work.
Ben. > > I am using OpenSUSE 11.3, with the nouveau drivers included in its > kernel (kernel version 2.6.34). The relevant parts of xorg.conf.d are: > > Section "Device" > Identifier "Default Device" > Option "SWcursor" "true" > Option "monitor-DP-1" "LeftMonitor" > Option "monitor-DP-2" "RightMonitor" > EndSection > > Section "Monitor" > Identifier "LeftMonitor" > Option "PreferredMode" "1920x1200" > EndSection > > Section "Monitor" > Identifier "RightMonitor" > Option "RightOf" "LeftMonitor" > Option "PreferredMode" "1920x1200" > EndSection > > Section "Screen" > Identifier "Default Screen" > Device "Default Device" > Monitor "LeftMonitor" > DefaultDepth 24 > SubSection "Display" > Depth 24 > Virtual 3840 1200 > EndSubSection > EndSection > > Section "ServerLayout" > Identifier "Layout0" > Screen 0 "Default Screen" 0 0 > EndSection > > Note that I had to set the mouse cursor to software rendering because it > was not showing up at all when using hardware rendering (cursor was > entirely invisible but the mouse was operational). > > The output of the "xrandr" command is: > > Screen 0: minimum 320 x 200, current 3840 x 1200, maximum 8192 x 8192 > DP-1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) > 546mm x 352mm > 1920x1200 60.0*+ 59.9 > 1920x1080 60.0 > 1600x1200 60.0 > 1680x1050 60.0 > 1600x1000 60.0 > 1280x1024 75.0 > 1280x960 60.0 > 1152x864 75.0 > 1024x768 75.1 60.0 > 832x624 74.6 > 800x600 75.0 60.3 > 640x480 75.0 60.0 > 720x400 70.1 > DP-2 connected 1920x1200+1920+0 (normal left inverted right x axis y > axis) 546mm x 352mm > 1920x1200 60.0*+ 59.9 > 1600x1200 60.0 > 1680x1050 60.0 > 1600x1000 60.0 > 1280x1024 75.0 > 1280x960 60.0 > 1152x864 75.0 > 1024x768 75.1 60.0 > 832x624 74.6 > 800x600 75.0 60.3 > 640x480 75.0 60.0 > 720x400 70.1 > > I have also attached my Xorg.0.log file. > > Many thanks in advance for the help, > Stefan. > _______________________________________________ > Nouveau mailing list > Nouveau@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/nouveau _______________________________________________ Nouveau mailing list Nouveau@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/nouveau
