On Thu, 2016-11-17 at 16:42 +0000, Emil Velikov wrote: > On 17 November 2016 at 15:38, Xiang, Haihao <[email protected]> > wrote: > > > From: Libva [mailto:[email protected]] On > > > Behalf Of Emil > > > Velikov > > > Sent: Tuesday, November 15, 2016 11:24 PM > > > To: [email protected] > > > Cc: Daniel Vetter <[email protected]>; David Herrmann > > > <[email protected]> > > > Subject: [Libva] [PATCH] drm: remove va_drm_is_authenticated > > > check > > > > > > If we do not use a render node we must authenticate. > > > > It is not true. A root or master user can access /dev/dri/card0 > > without authentication in drm. > > va_drm_is_authenticated() is used to check for this cases. > > > > Surely you're not suggesting that running your video player as root > is > a wise idea ;-)
Agreed. > > Regardless, there's something _really_ fishy with libva if it needs > va_drm_is_authenticated. > Any other software out there does not need to (or do so) - some > examples include Xorg, Wayland and other Weston compositors, Mesa, > IGT > (a ton of GPU tests) ... be that as root, user or otherwise. We don't need it, in my opinion. Sean > > Emil > _______________________________________________ > Libva mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/libva
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