From: Daniel Vetter <daniel@ffwll.ch>
To: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>,
"Gustavo Padovan" <gustavo@padovan.org>,
"Daniel Stone" <daniels@collabora.com>,
"Daniel Vetter" <daniel.vetter@ffwll.ch>,
"Riley Andrews" <riandrews@android.com>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
"Arve Hjønnevåg" <arve@android.com>,
"John Harrison" <John.C.Harrison@Intel.com>
Subject: Re: [RFC v2 5/8] drm/fence: add in-fences support
Date: Tue, 26 Apr 2016 16:36:36 +0200 [thread overview]
Message-ID: <20160426143635.GW8291@phenom.ffwll.local> (raw)
In-Reply-To: <20160426141422.GG7857@joana>
On Tue, Apr 26, 2016 at 11:14:22AM -0300, Gustavo Padovan wrote:
> 2016-04-26 Ville Syrjälä <ville.syrjala@linux.intel.com>:
>
> > On Mon, Apr 25, 2016 at 07:33:25PM -0300, Gustavo Padovan wrote:
> > > From: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
> > >
> > > There is now a new property called FENCE_FD attached to every plane
> > > state that receives the sync_file fd from userspace via the atomic commit
> > > IOCTL.
> >
> > I still don't like this property abuse. Also with atomic, all passed
> > fences must be waited upon before anything is done, so attaching them
> > to planes seems like it might just give people the wrong idea.
>
> I'm actually fine with this as property, but another solutions is use
> an array of {plane, fence_fd} and extend drm_atomic_ioctl args just like
> we have done for out fences. However the FENCE_FD property is easier to
> handle in userspace than the array. Any other idea?
Imo FENCE_FD is perfectly fine. But what's the concern around giving
people the wrong idea with attaching fences to planes? For nonblocking
commits we need to store them somewhere for the worker, drm_plane_state
seems like an as good place as any other.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
next prev parent reply other threads:[~2016-04-26 14:36 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-25 22:33 [RFC v2 0/8] drm: explicit fencing support Gustavo Padovan
2016-04-25 22:33 ` [RFC v2 1/8] dma-buf/fence: add fence_collection fences Gustavo Padovan
2016-04-26 14:41 ` Daniel Vetter
2016-04-26 15:02 ` Gustavo Padovan
2016-04-27 6:36 ` Daniel Vetter
2016-04-26 15:09 ` Chris Wilson
2016-04-28 14:47 ` Gustavo Padovan
2016-04-25 22:33 ` [RFC v2 2/8] Documentation: add fence-collection to kernel DocBook Gustavo Padovan
2016-04-25 22:33 ` [RFC v2 3/8] dma-buf/sync_file: add sync_file_fences_get() Gustavo Padovan
2016-04-25 22:33 ` [RFC v2 4/8] drm/fence: allow fence waiting to be interrupted by userspace Gustavo Padovan
2016-04-25 22:33 ` [RFC v2 5/8] drm/fence: add in-fences support Gustavo Padovan
2016-04-26 10:10 ` Ville Syrjälä
2016-04-26 14:14 ` Gustavo Padovan
2016-04-26 14:36 ` Daniel Vetter [this message]
2016-04-26 16:26 ` Ville Syrjälä
2016-04-26 17:20 ` Daniel Vetter
2016-04-26 17:40 ` Ville Syrjälä
2016-04-26 18:23 ` Daniel Vetter
2016-04-26 18:55 ` Ville Syrjälä
2016-04-26 20:05 ` Daniel Vetter
2016-04-26 20:48 ` Greg Hackmann
2016-04-27 6:39 ` Daniel Vetter
2016-04-28 21:28 ` Rob Clark
2016-04-29 7:48 ` Daniel Stone
2016-04-29 22:23 ` Rob Clark
2016-04-29 21:14 ` Greg Hackmann
2016-04-27 6:57 ` Daniel Stone
2016-04-28 14:36 ` Gustavo Padovan
2016-04-28 14:38 ` Daniel Vetter
2016-04-28 16:56 ` Ville Syrjälä
2016-04-28 17:43 ` Daniel Vetter
2016-04-28 17:51 ` Ville Syrjälä
2016-04-28 17:55 ` Gustavo Padovan
2016-04-28 18:02 ` Daniel Vetter
2016-04-28 18:17 ` Ville Syrjälä
2016-04-28 20:40 ` Daniel Vetter
2016-04-26 16:25 ` Ville Syrjälä
2016-04-25 22:33 ` [RFC v2 6/8] drm/fence: add fence to drm_pending_event Gustavo Padovan
2016-04-25 22:33 ` [RFC v2 7/8] drm/fence: add fence timeline to drm_crtc Gustavo Padovan
2016-04-26 10:12 ` Ville Syrjälä
2016-04-26 14:23 ` Gustavo Padovan
2016-04-26 16:34 ` Ville Syrjälä
2016-04-27 8:23 ` Daniel Stone
2016-04-25 22:33 ` [RFC v2 8/8] drm/fence: add out-fences support Gustavo Padovan
2016-04-26 14:53 ` Daniel Vetter
2016-04-28 15:23 ` Gustavo Padovan
[not found] ` <CAHbf0-HVNM=akFaE54U6B=51eegwumFmH=dUv+HHbnGOgGD=nw@mail.gmail.com>
2016-04-26 6:30 ` [RFC v2 0/8] drm: explicit fencing support Daniel Vetter
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160426143635.GW8291@phenom.ffwll.local \
--to=daniel@ffwll.ch \
--cc=John.C.Harrison@Intel.com \
--cc=arve@android.com \
--cc=daniel.vetter@ffwll.ch \
--cc=daniels@collabora.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=gustavo.padovan@collabora.co.uk \
--cc=gustavo@padovan.org \
--cc=linux-kernel@vger.kernel.org \
--cc=riandrews@android.com \
--cc=ville.syrjala@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).