From: Mikko Perttunen <cyndis@kapsi.fi>
To: Karol Herbst <kherbst@redhat.com>
Cc: David Airlie <airlied@linux.ie>,
gustavo@padovan.org, dri-devel <dri-devel@lists.freedesktop.org>,
Jon Hunter <jonathanh@nvidia.com>,
talho@nvidia.com, bhuntsman@nvidia.com,
Thierry Reding <thierry.reding@gmail.com>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
Dmitry Osipenko <digetx@gmail.com>
Subject: Re: [RFC] Host1x/TegraDRM UAPI
Date: Fri, 26 Jun 2020 14:13:23 +0300 [thread overview]
Message-ID: <cb935527-2eb9-23f3-a823-d6b849fc3c94@kapsi.fi> (raw)
In-Reply-To: <CACO55ttfwQDwnO8ep=YKBgo+HYBg=zLDLfBKtH67MrqKzMWw_w@mail.gmail.com>
On 6/26/20 2:06 PM, Karol Herbst wrote:
> On Tue, Jun 23, 2020 at 3:03 PM Mikko Perttunen <cyndis@kapsi.fi> wrote:
>>
>> # Host1x/TegraDRM UAPI proposal
>>
>> This is a proposal for a stable UAPI for Host1x and TegraDRM, to replace
>> the current TegraDRM UAPI that is behind `STAGING` and quite obsolete in
>> many ways.
>>
>> I haven't written any implementation yet -- I'll do that once there is
>> some agreement on the high-level design.
>>
>> Current open items:
>>
>> * The syncpoint UAPI allows userspace to create sync_file FDs with
>> arbitrary syncpoint fences. dma_fence code currently seems to assume all
>> fences will be signaled, which would not necessarily be the case with
>> this interface.
>> * Previously present GEM IOCTLs (GEM_CREATE, GEM_MMAP) are not present.
>> Not sure if they are still needed.
>>
>
> Hi, as this wasn't addressed here (and sorry if I missed it): is there
> an open source userspace making use of this UAPI? Because this is
> something which needs to be seen before it can be included at all.
>
Hi Karol,
not currently, but once we have hashed out the design a little bit (and
I'm back from vacation), I'll work on open source userspace and
converting existing code using the staging UAPI to this one.
Mikko
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2020-06-26 11:13 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-23 12:09 [RFC] Host1x/TegraDRM UAPI Mikko Perttunen
2020-06-24 20:55 ` Dmitry Osipenko
2020-06-25 9:17 ` Mikko Perttunen
2020-06-24 22:33 ` Dmitry Osipenko
2020-06-25 9:27 ` Mikko Perttunen
2020-06-25 22:50 ` [RFC] Host1x/TegraDRM UAPI (drm_tegra_submit_relocation) Dmitry Osipenko
2020-06-26 9:01 ` Mikko Perttunen
2020-06-24 23:11 ` [RFC] Host1x/TegraDRM UAPI Dmitry Osipenko
2020-06-25 9:16 ` Mikko Perttunen
2020-06-25 23:24 ` Dmitry Osipenko
2020-06-26 9:05 ` Mikko Perttunen
2020-06-24 23:18 ` Dmitry Osipenko
2020-06-25 0:59 ` Dmitry Osipenko
2020-06-24 23:23 ` Dmitry Osipenko
2020-06-25 9:19 ` Mikko Perttunen
2020-06-25 0:47 ` Dmitry Osipenko
2020-06-25 9:23 ` Mikko Perttunen
2020-06-25 22:47 ` [RFC] Host1x/TegraDRM UAPI (drm_tegra_channel_map) Dmitry Osipenko
2020-06-26 7:34 ` Thierry Reding
2020-06-26 16:35 ` Dmitry Osipenko
2020-06-28 11:16 ` Mikko Perttunen
2020-06-28 22:59 ` Dmitry Osipenko
2020-06-30 10:55 ` Mikko Perttunen
2020-06-30 19:48 ` Dmitry Osipenko
2020-06-26 11:06 ` [RFC] Host1x/TegraDRM UAPI Karol Herbst
2020-06-26 11:13 ` Mikko Perttunen [this message]
2020-06-26 11:16 ` Karol Herbst
2020-06-26 11:40 ` Thierry Reding
2020-06-26 13:38 ` Daniel Vetter
2020-06-26 13:59 ` Dmitry Osipenko
2020-06-30 9:09 ` Daniel Vetter
2020-06-27 21:47 ` [RFC] Host1x/TegraDRM UAPI (drm_tegra_submit_syncpt_incr) Dmitry Osipenko
2020-06-28 11:10 ` Mikko Perttunen
2020-06-27 22:32 ` [RFC] Host1x/TegraDRM UAPI (drm_tegra_submit_command) Dmitry Osipenko
2020-06-28 10:28 ` Mikko Perttunen
2020-06-29 0:00 ` Dmitry Osipenko
2020-06-30 10:40 ` Mikko Perttunen
2020-06-27 23:27 ` [RFC] Host1x/TegraDRM UAPI (sync points) Dmitry Osipenko
2020-06-28 9:44 ` Mikko Perttunen
2020-06-29 2:36 ` Dmitry Osipenko
2020-06-29 10:27 ` Mikko Perttunen
2020-06-29 19:28 ` Dmitry Osipenko
2020-06-29 19:33 ` Dmitry Osipenko
2020-06-29 19:42 ` Dmitry Osipenko
2020-06-30 10:26 ` Mikko Perttunen
2020-07-01 0:22 ` Dmitry Osipenko
2020-07-02 12:10 ` Mikko Perttunen
2020-07-07 11:06 ` Dmitry Osipenko
2020-07-08 10:06 ` Mikko Perttunen
2020-07-09 9:28 ` Dmitry Osipenko
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=cb935527-2eb9-23f3-a823-d6b849fc3c94@kapsi.fi \
--to=cyndis@kapsi.fi \
--cc=airlied@linux.ie \
--cc=bhuntsman@nvidia.com \
--cc=digetx@gmail.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=gustavo@padovan.org \
--cc=jonathanh@nvidia.com \
--cc=kherbst@redhat.com \
--cc=linux-tegra@vger.kernel.org \
--cc=talho@nvidia.com \
--cc=thierry.reding@gmail.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).