Re: two graphics cards and two monitors

From	Don Armstrong <don@debian.org>
Newsgroups	linux.debian.user
Subject	Re: two graphics cards and two monitors
Date	2017-11-16 17:50 +0100
Message-ID	<uMvwt-1NF-7@gated-at.bofh.it> (permalink)
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On Wed, 15 Nov 2017, Eric S Fraga wrote:
> I have done the above: removed xorg.conf and placed a copy of the log
> file at:
> 
> http://www.ucl.ac.uk/~ucecesf/tmp/xorglog.txt

Perfect.

> The output of xrandr is:
> 
> $ xrandr --listproviders
> Providers: number : 2
> Provider 0: id: 0xc3 cap: 0x7, Source Output, Sink Output, Source Offload crtcs: 4 outputs: 2 associated providers: 0 name:nouveau
> Provider 1: id: 0x64 cap: 0x7, Source Output, Sink Output, Source Offload crtcs: 2 outputs: 3 associated providers: 0 name:nouveau

Awesome; X is seeing and reporting both cards, and then have Source/Sink
output support.

> but only two monitors are found/configured.

I *think* you should be able to use Reverse PRIME if you do the
following:

xrandr --setprovideroutputsource 1 0;

and then xrandr --query; should show the other source.

[The last time I did this setup, I was using multiple displays to do the
multiple monitor setup.]

> > In theory, you should also be using KML, which should configure all
> > of the outputs fairly early in boot as well.
> 
> Any pointers on how to do this would be welcome.

Assuming you aren't setting any kernel options, it should be the default now.


-- 
Don Armstrong                      https://www.donarmstrong.com

Nearly all men can stand adversity, but if you really want to test his
character, give him power.
 -- Abraham Lincoln

Thread

Re: two graphics cards and two monitors Eric S Fraga <e.fraga@ucl.ac.uk> - 2017-11-03 15:30 +0100
  Re: two graphics cards and two monitors Don Armstrong <don@debian.org> - 2017-11-03 19:30 +0100
    Re: two graphics cards and two monitors Eric S Fraga <e.fraga@ucl.ac.uk> - 2017-11-14 16:30 +0100
      Re: two graphics cards and two monitors Don Armstrong <don@debian.org> - 2017-11-14 19:40 +0100
        Re: two graphics cards and two monitors Eric S Fraga <e.fraga@ucl.ac.uk> - 2017-11-15 09:50 +0100
          Re: two graphics cards and two monitors Don Armstrong <don@debian.org> - 2017-11-16 17:50 +0100
            Re: two graphics cards and two monitors Eric S Fraga <e.fraga@ucl.ac.uk> - 2017-11-17 10:00 +0100
            Re: two graphics cards and two monitors Eric S Fraga <e.fraga@ucl.ac.uk> - 2017-11-21 18:10 +0100
  Re: two graphics cards and two monitors Felix Miata <mrmazda@earthlink.net> - 2017-11-15 11:20 +0100
    Re: two graphics cards and two monitors Eric S Fraga <e.fraga@ucl.ac.uk> - 2017-11-15 16:10 +0100

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