Re: [PATCH v10 3/3] drm/fence: add out-fences support

From: Daniel Vetter
Date: Mon Nov 14 2016 - 15:08:29 EST


On Mon, Nov 14, 2016 at 3:57 PM, Brian Starkey <brian.starkey@xxxxxxx> wrote:
> I was just writing some internal docs, and it occurred to me that the
> out-fence implementation here doesn't seem to match what we discussed
> with Ville a few weeks back (which had completely slipped my mind).
>
> Did the idea of returning -1 fences for multiple commits within a
> frame get dropped? I didn't see any discussion further than that
> thread on v5 from October:
> http://lkml.iu.edu/hypermail/linux/kernel/1610.2/04727.html

Atm we only support a queue depth of 1, and not faster than vblank.
This was just discussions to make sure we're not drawing ourselves
into a corner with this uabi.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch