From: Ben Johnson <intel-gfx@geekamole.com>
To: "Bruno Prémont" <bonbons@linux-vserver.org>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: i915 KMS interferes with nVidia card
Date: Sun, 16 Mar 2014 19:25:53 -0400 [thread overview]
Message-ID: <53263301.1040605@geekamole.com> (raw)
In-Reply-To: <20140316121322.024235d0@neptune.home>
On 03/16/2014 07:13 AM, Bruno Prémont wrote:
> Wild guess, maybe you would have some more chances of success if the nvidia
> was the GPU with active VGA bits (e.g. telling vga-arbitration to have
> nvidia card active/primary).
>
> That way the nvidia blob would have best changes of living in a tested
> environment and i915 hopefully being able to do its work anyway.
>
> Bruno
>
I read/skimmed Documentation/vgaarbiter.txt and googled for a while but
it's not clear to me how to do what you are suggesting. Do you mean to
write something to /dev/vga_arbiter? This is what it has with just the
nvidia module loaded:
/ # head -n 1 /dev/vga_arbiter
count:1,PCI:0000:01:00.0,decodes=none,owns=none,locks=none(0:0)
-Ben
prev parent reply other threads:[~2014-03-16 23:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-13 3:57 i915 KMS interferes with nVidia card Ben Johnson
2014-03-13 8:27 ` Jani Nikula
2014-03-16 11:13 ` Bruno Prémont
2014-03-16 23:25 ` Ben Johnson [this message]
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