On Wed, 3 Jul 2019 at 15:58, Koenig, Christian <christian.koe...@amd.com> wrote:
> Am 03.07.2019 16:51 schrieb Emil Velikov <emil.l.veli...@gmail.com>:
>
> On Wed, 3 Jul 2019 at 15:33, Koenig, Christian <christian.koe...@amd.com> 
> wrote:
> > Am 03.07.2019 16:00 schrieb Emil Velikov <emil.l.veli...@gmail.com>:
> >
> > On Wed, 3 Jul 2019 at 14:48, Koenig, Christian <christian.koe...@amd.com> 
> > wrote:
> > >
> > > Well this is still a NAK.
> > >
> > > As stated previously please just don't remove DRM_AUTH and keep the 
> > > functionality as it is.
> > >
> > AFAICT nobody was in favour of your suggestion to remove DRM_AUTH from
> > the handle to/from fd ioclts.
> > Thus this seems like the second best option.
> >
> >
> > Well just keep it. As I said please don't change anything here.
> >
> > Dropping DRM_AUTH from the driver IOCTLs was sufficient to work around the 
> > problems at hand far as I know.
> >
> We also need the DRM_AUTH for handle to/from fd ones. Mesa drivers use
> those ioctls.
>
>
> Yeah, but only for importing/exporting things.
>
> And in those cases we either already gave render nodes or correctly 
> authenticated primary nodes.
>
> So no need to change anything here as far as I see.
>
Not quite. When working with the primary node we have the following scenarios:
 - handle to fd -> pass fd to other APIs - gbm, opencl, vdpau, etc
 - handle to fd -> fd to handle - use it internally

-Emil
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