[vfio-users] Freesync support

Nick Sarnie commendsarnex at gmail.com
Fri Feb 17 16:23:26 UTC 2017


I also need to hide the hypervisor for the "Display" tab to show up. I
assume it's a bug and not intentional. Hopefully they fix it.

On Fri, Feb 17, 2017 at 10:35 AM, Øyvind Aasen <oyviaase at gmail.com> wrote:

> It didn't seem like that to me. I had to do a reinstall off the VM a couple
> days ago. Because I had some issues with my computer, downloaded the newest
> relive driver 17.2.1 from the webpage and installed it. I could not find
> the display tab anywhere in the program, I did not try the 32-bit version
> of the app because I didn't find anything about the bug you mentioned.
>
> After setting the hidden state to on and reinstalling the driver from the
> same download did it show in the Settings app. My guess is that either the
> Relive installer or Crimson installer changed something in the display
> driver installation braking it if you run in a VM.
>
> Another issue I had was that my display showed up as Generic PnP monitor
> instead off the model name/number checking the device information in
> windows. Reinstalling the drivers fixed this issue.
>
> Øyvind
>
> On Fri, Feb 17, 2017 at 03:59:09PM +0100, Quentin Deldycke wrote:
> > I have freesync enabled on this page since a long time (r9 290).
> > I have kvm and hyperv features enabled. And the setting is still here.
> >
> > In the previous version of Relive drivers, there were a bug when the
> radeon app
> > in 64bit doesn't show the display tab.
> > Killing and lunching the 32b app corrects this.
> > Using the 17.2.1 drivers corrects this issue.
> >
> > --
> > Deldycke Quentin
> >
> >
> > On 17 February 2017 at 15:55, Øyvind Aasen <oyviaase at gmail.com> wrote:
> >
> >     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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> >     >     vfio-users at redhat.com
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> >     >
> >     >
> >     >
> >
> >     > _______________________________________________
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> >
> >
> >
>
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