[vfio-users] Freesync support

[Øyvind Aasen]

Hi,

I verified it by opening up Radeon Settings, selecting the display tab,
and then checking that the freesync option is on. 

You will need to reinstall the drivers after hiding the hypervisor from the
VM if you can't see the display tab in Radeon Settings. 

I have not had any problems with unstable FPS but that might be related to
the games I play.

Øyvind

On Fri, Feb 17, 2017 at 12:44:44PM +0100, Quentin Deldycke wrote:
> Hi,
> 
> I also have a freesync screen connected to my card.
> 
> How you can verify that freesync is "really" activated?
> 
> I found the latest amd driver to be not stable at all in term of FPS.
> 
> 
> --
> Deldycke Quentin
> 
> 
> On 17 February 2017 at 10:19, Øyvind Aasen <oyviaase at gmail.com> wrote:
> 
>     Hi,
> 
>     I have been fiddling around a bit to get AMD freesync to work on my setup,
>     and this is how I got it to work.
> 
>     The solution is the same workaround used by Nvidia users use to hide that
>     the machine is running inside a VM, the steps taken from Alex blog post are
> 
>     "The GeForce card is nearly as easy, but we first need to work around some
>     of the roadblocks Nvidia has put in place to prevent you from using the
>     hardware you've purchased in the way that you desire (and by my reading
>     conforms to the EULA for their software, but IANAL).  For this step we
>     again need to run virsh edit on the VM.  Within the <features> section,
>     remove everything between the <hyperv> tags, including the tags
>     themselves.  In their place add the following tags:
> 
>         <kvm>
>           <hidden state='on'/>
>         </kvm>
> 
>     Additionally, within the <clock> tag, find the timer named hypervclock,
>     remove the line containing this tag completely.  Save and exit the edit
>     session."
> 
>     The issue seems to be that the crimsons installer does not install the
>     display driver part of the graphics card driver when it detects that it is
>     running inside a VM.
>    
>     Øyvind
>    
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> 
> 

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