On Fri, Aug 11, 2017 at 1:29 PM, Tor Rune Skoglund <[email protected]> wrote: > Dear List, > > Been digging a lot to try to find a good solution for my problem here: > > We are using xorg for an "embedded" system, on which we would like to get a > separate DISPLAY setting for each of the computer's gfx connectors. As it is > today, by default HDMI1, HDMI2 and HDMI3 are cloned, By using xrandr and the > left-of and right-of options on the connectors, we are able to extend the > size to span across all the monitor connectors, and the total size of Screen > 0 gets adjusted automatically. (Actually quite impressed by this!) > > However, this is actually not really what we want. We would like each HDMIx > to be a separate display, i.e. HDMI1 should be :0.0, HDMI2 should be :0.1 > and HDMI3 should be :0.2 . > > This is pure X, no window manager. > > I guess this is a simple config option somewhere.... I will be very grateful > if someone could point me in the right direction. :)
Google for zaphod or xinerama configuration. If you read a xinerama howto, the configuration is the same, just don't enable the xinerama extension. See here for a sample config: https://wiki.archlinux.org/index.php/multihead#Xinerama Alex > > System info: > > Intel Kaby Lake chipset: Driver loaded during kernel boot: > # dmesg | grep i915 > [ 0.947501] [drm] Finished loading i915/kbl_dmc_ver1_01.bin (v1.1) > Gentoo - kernel 4.9.41 > xorg-server verison 1.19.3 > mesa version 17.0.6 > No xorg.conf (everything autodetected) > No errors or (relevant) warnings i /var/log/Xorg.0.log. (Except missing > fonts warnings) > Outputs are assigned during xinit: > [ 476.723] (--) intel(0): Output HDMI1 using initial mode 1600x1200 on > pipe 0 > [ 476.723] (--) intel(0): Output HDMI2 using initial mode 1280x1024 on > pipe 1 > [ 476.723] (--) intel(0): Output HDMI3 using initial mode 1680x1050 on > pipe 2 > xrandr --query: > > # DISPLAY=:0 xrandr --query > Screen 0: minimum 8 x 8, current 4560 x 1200, maximum 32767 x 32767 > DP1 disconnected (normal left inverted right x axis y axis) > DP2 disconnected (normal left inverted right x axis y axis) > DP3 disconnected (normal left inverted right x axis y axis) > HDMI1 connected 1600x1200+1280+0 (normal left inverted right x axis y axis) > 410mm x 310mm > 1600x1200 60.00*+ > 1280x1024 60.02 > 1280x960 60.00 > 1024x768 60.00 > 800x600 60.32 > 640x480 59.94 > 720x400 70.08 > HDMI2 connected primary 1280x1024+0+0 (normal left inverted right x axis y > axis) 380mm x 300mm > 1280x1024 60.02*+ 75.02 > 1152x864 75.00 > 1024x768 75.03 60.00 > 800x600 75.00 60.32 > 640x480 75.00 59.94 > 720x400 70.08 > HDMI3 connected 1680x1050+2880+0 (normal left inverted right x axis y axis) > 470mm x 300mm > 1680x1050 59.95*+ > 1280x1024 75.02 60.02 > 1152x864 75.00 > 1024x768 75.03 60.00 > 800x600 75.00 60.32 > 640x480 75.00 59.94 > 720x400 70.08 > VIRTUAL1 disconnected (normal left inverted right x axis y axis) > > Best regards, > Tor Rune Skoglund, [email protected] > > > > _______________________________________________ > [email protected]: X.Org support > Archives: http://lists.freedesktop.org/archives/xorg > Info: https://lists.x.org/mailman/listinfo/xorg > Your subscription address: %(user_address)s _______________________________________________ [email protected]: X.Org support Archives: http://lists.freedesktop.org/archives/xorg Info: https://lists.x.org/mailman/listinfo/xorg Your subscription address: %(user_address)s
