Comment # 9
on bug 110830
from Ilia Mirkin
(In reply to Marcin Zajaczkowski from comment #7) > > Providers: number : 2 > > Provider 0: id: 0x6b cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 3 outputs: 3 associated providers: 1 name:modesetting > > Provider 1: id: 0x45 cap: 0x2, Sink Output crtcs: 4 outputs: 2 associated providers: 1 name:modesetting > > Hmm, why there are 3 and 4 outputs associated to them? Is it possible that > DP output is accessible with the Intel card only (I don't have a connector > right here to test it organoleptically)? "crtcs: 4; outputs: 2". All modern NVIDIA GPU's have 4 CRTC's. You can see the full list of outputs with that grep command you ran. You can now slave the nvidia GPU's outputs to the primary (intel) GPU: xrandr --setprovideroutputsource 1 0 which should allow you to drive on your NVIDIA GPU's outputs by configuring them in xrandr. This should also be possible with a Wayland compositor, however the specifics will vary by compositor. Xwayland has no ability to control screen setup. (In reply to Marcin Zajaczkowski from comment #8) > I know about a lack of acceleration, but I wanted to test offloading with > NVidia GPU. I doesn't seem to work: Lack of acceleration = no opengl, or anything else which requires the GPU to execute things in the "graphics" engine.
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