> > OK, so I think that these are not the HDMI/DP outputs connected to > your secondary device. They are the ones connected to your primary > device (might not be pinned out, or might only be available via an > optional dock). Normally there'd be an extra -1- in the name of such > outputs. But who knows with modesetting - perhaps it doesn't stick > that in and sticks 100% to the kernel names. > > Have a look at https://nouveau.freedesktop.org/wiki/Optimus/ for some > details on how to set up output offloading. The short version is that > you want to do something like > > xrandr --setprovideroutputsource 1 0 > > If that doesn't help, grab the output of > > grep . /sys/class/drm/card*-*/status > grep . /sys/class/drm/card*-*/modes > > preferably while something is plugged into one of your NVIDIA-attached > connectors. When X first starts, it appears to get an EDID just fine > for your secondary GPU's DP-1 output... > > Cheers, > > -ilia >
Thanks Ilia; I already checked the wiki page, with no success so far. xrandr --setprovideroutputsource 1 0 seems to do nothing, either with a monitor connected to HDMI-1 or not. The second monitor is detected and available in the screen configuration tool of KDE, but it remains black, no window, nothing. With a monitor conected in HDMI-1, here are the results of the commands : sigmar@TALABHEIM:~> grep . /sys/class/drm/card*-*/status /sys/class/drm/card0-eDP-1/status:*connected* /sys/class/drm/card1-DP-1/status:*disconnected* /sys/class/drm/card1-HDMI-A-1/status:*connected* sigmar@TALABHEIM:~> grep . /sys/class/drm/card*-*/modes /sys/class/drm/card0-eDP-1/modes:*1920x1080* /sys/class/drm/card0-eDP-1/modes:*1920x1080* /sys/class/drm/card1-HDMI-A-1/modes:*1920x1080* /sys/class/drm/card1-HDMI-A-1/modes:*1920x1080* /sys/class/drm/card1-HDMI-A-1/modes:*1920x1080* /sys/class/drm/card1-HDMI-A-1/modes:*1920x1080i* /sys/class/drm/card1-HDMI-A-1/modes:*1920x1080i* /sys/class/drm/card1-HDMI-A-1/modes:*1920x1080* /sys/class/drm/card1-HDMI-A-1/modes:*1920x1080i* /sys/class/drm/card1-HDMI-A-1/modes:*1600x1200* /sys/class/drm/card1-HDMI-A-1/modes:*1680x1050* /sys/class/drm/card1-HDMI-A-1/modes:*1280x1024* /sys/class/drm/card1-HDMI-A-1/modes:*1280x1024* /sys/class/drm/card1-HDMI-A-1/modes:*1440x900* /sys/class/drm/card1-HDMI-A-1/modes:*1280x960* /sys/class/drm/card1-HDMI-A-1/modes:*1366x768* /sys/class/drm/card1-HDMI-A-1/modes:*1152x864* /sys/class/drm/card1-HDMI-A-1/modes:*1280x720* /sys/class/drm/card1-HDMI-A-1/modes:*1280x720* /sys/class/drm/card1-HDMI-A-1/modes:*1280x720* /sys/class/drm/card1-HDMI-A-1/modes:*1024x768* /sys/class/drm/card1-HDMI-A-1/modes:*1024x768* /sys/class/drm/card1-HDMI-A-1/modes:*1024x768* /sys/class/drm/card1-HDMI-A-1/modes:*832x624* /sys/class/drm/card1-HDMI-A-1/modes:*800x600* /sys/class/drm/card1-HDMI-A-1/modes:*800x600* /sys/class/drm/card1-HDMI-A-1/modes:*800x600* /sys/class/drm/card1-HDMI-A-1/modes:*800x600* /sys/class/drm/card1-HDMI-A-1/modes:*720x576* /sys/class/drm/card1-HDMI-A-1/modes:*720x480* /sys/class/drm/card1-HDMI-A-1/modes:*720x480* /sys/class/drm/card1-HDMI-A-1/modes:*640x480* /sys/class/drm/card1-HDMI-A-1/modes:*640x480* /sys/class/drm/card1-HDMI-A-1/modes:*640x480* /sys/class/drm/card1-HDMI-A-1/modes:*640x480* /sys/class/drm/card1-HDMI-A-1/modes:*640x480* /sys/class/drm/card1-HDMI-A-1/modes:*720x400* Any hints really appreciated, Regards, Sylvain
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