Just bind vfio driver to second gpu on boot,
http://vfio.blogspot.com/2015/05/vfio-gpu-how-to-series-part-3-host.html
search for "options vfio-pci ids="

On 06/29/2017 10:13 PM, Berillions wrote:
> Hi,
>
> I would like to know if it's possible to use an AMD graphic card on
> the Host if i pass a second AMD graphic card on the Guest.
>
> I ask this question because on google and differents how-to, i saw
> that i must to disable radeon driver to bind correctly the second gpu
> to vfio.
>
> For my new desktop, i will have an AMD Rx560 for Linux and an AMD
> Rx480 for Windows, so i expect that i must not to disable AMDGPU
> driver before to bind the Rx480 ...
>
> Thanks,
> Maxime
>
>
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> vfio-users mailing list
> vfio-users@redhat.com
> https://www.redhat.com/mailman/listinfo/vfio-users


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