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Re: [libvirt] [PATCH] domain: conf: graphics: Fix picking DRI renderer automatically for SPICE



On Fri, Dec 07, 2018 at 10:45:00AM +0100, Ján Tomko wrote:
> On Thu, Dec 06, 2018 at 05:12:36PM +0100, Erik Skultety wrote:
> > Commit 255e0732 introduced a few graphics-related helpers. The problem
> > is that virDomainGraphicsNeedsAutoRenderNode returns true if it gets
> > NULL as a response from virDomainGraphicsNeedsAutoRenderNode. That's
> > okay for egl-headless because that one always needs a DRM render node,
> > the same is not true for SPICE though, and unless the XML specifies
> > <gl enable='yes'> for SPICE, there's no need for any renderer.
> >
> > https://bugzilla.redhat.com/show_bug.cgi?id=1656895
> >
>
> If it's NOTABUG, I don't see a reason to include it in the git history.

Yes, I wanted to reply that I'd drop it, but I first created it, patched it and
then was notified that the bugzilla doesn't make sense.

>
> > Signed-off-by: Erik Skultety <eskultet redhat com>
> > ---
> > src/conf/domain_conf.c | 7 +++++--
> > 1 file changed, 5 insertions(+), 2 deletions(-)
> >
> > diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> > index b70dca6c61..efa0a94f39 100644
> > --- a/src/conf/domain_conf.c
> > +++ b/src/conf/domain_conf.c
> > @@ -30982,8 +30982,7 @@ virDomainGraphicsGetRenderNode(const virDomainGraphicsDef *graphics)
> >
> >     switch (graphics->type) {
> >     case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
> > -        if (graphics->data.spice.gl == VIR_TRISTATE_BOOL_YES)
> > -            ret = graphics->data.spice.rendernode;
> > +        ret = graphics->data.spice.rendernode;
> >         break;
> >     case VIR_DOMAIN_GRAPHICS_TYPE_EGL_HEADLESS:
> >         ret = graphics->data.egl_headless.rendernode;
> > @@ -31006,6 +31005,10 @@ virDomainGraphicsNeedsAutoRenderNode(const virDomainGraphicsDef *graphics)
> >     if (!virDomainGraphicsSupportsRenderNode(graphics))
> >         return false;
> >
> > +    if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE &&
> > +        graphics->data.spice.gl != VIR_TRISTATE_BOOL_YES)
> > +        return false;
> > +
> >     if (virDomainGraphicsGetRenderNode(graphics))
> >         return false;
> >
>
> Reviewed-by: Ján Tomko <jtomko redhat com>

Thanks,
Erik


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