On 04-12-2017 13:16, Alexey Brodkin wrote: > Option "kmsdev" "/dev/dri/card1" Which drm driver uses /dev/dri/card0? I'm seing drmOpen code and if you don't specify the busID it will fallback for the first card that matches "armada-drm" or "imx-drm" or "udl". > But if I swap "imx-drm" to "udl" I don't see anything on my screen > (connected via UDL) even though Xserver seems to really start claiming the screen > (so I see it becomes black, effectively overriding whatever was there before) and > glmark benchmark prints results. > > Xorg.log can help confirm if everything is ok.
