[vfio-users] Fwd: Passing through an intregrated Nvidia mobile GPU (NVIDIA Quadro M1000M)

Tom A agentlecomputer at gmail.com
Fri Apr 1 02:31:33 UTC 2016

I took a look at the BIOS, I do not have to option to disable the Optimus
option sadly. So those options may not be possible...

On Thu, Mar 31, 2016 at 11:15 AM, Brandon Ganem <brandonganem at gmail.com>

> I recall a BIOS option to disable Optimus in a dell laptop I had used.
> Have you tried turning this off and then assigning the GPU?
> When I disabled it in the BIOS, the built in display seemed to run off the
> integrated card and the external ports ran off the GPU iirc.
> On Thu, Mar 31, 2016 at 2:10 PM, Tom A <agentlecomputer at gmail.com> wrote:
>> ---------- Forwarded message ----------
>> From: Thomas Arouge <agentlecomputer at gmail.com>
>> Date: Thu, Mar 31, 2016 at 11:01 AM
>> Subject: Re: [vfio-users] Passing through an intregrated Nvidia mobile
>> GPU (NVIDIA Quadro M1000M)
>> To: Alex Williamson <alex.l.williamson at gmail.com>
>> I see... well that sucks. I wonder if anyone has brought this up to the
>> Nvidia developer? Maybe I can bring this up in the dev forums and see what
>> they have to say about the issue. But it does seem like I have hit a dead
>> end.
>> P.S. Just to be clear, you are saying that open source firmware like OVMF
>> do not have the features that the proprietary BIOS on my laptop have for
>> managing Optimus technology, right?
>> On Thu, Mar 31, 2016 at 10:35 AM, Alex Williamson <
>> alex.l.williamson at gmail.com> wrote:
>>> Nobody has successfully assigned an Optimus GPU to a guest yet, afaik.
>>> These hybrid laptops are not simply an integrated and discrete GPU in the
>>> same case with the ability to switch between them, there are proprietary
>>> BIOS requirements that we cannot replicate in open source firmware to make
>>> that happen and it's not clear if there's any way to make the GPU work
>>> independently of those features.  If you can make it work, document what
>>> you've done, but don't expect that it should just work.  Good luck.
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