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From: Tomeu Vizoso <tomeu@tomeuvizoso.net>
Date: Tue, 28 May 2024 09:13:25 +0200
Message-ID: <CAAObsKBdpoGF0B9XgQxbG0P4JXAXSdLLdhzhrdAkt7J7rtCZ6Q@mail.gmail.com>
Subject: Re: DRM Accel BoF at Linux Plumbers
To: Tomeu Vizoso <tomeu@tomeuvizoso.net>, open list <linux-kernel@vger.kernel.org>, 
	dri-devel <dri-devel@lists.freedesktop.org>, David Airlie <airlied@gmail.com>, 
	Philipp Zabel <p.zabel@pengutronix.de>, Christian Gmeiner <christian.gmeiner@gmail.com>, 
	Oded Gabbay <ogabbay@kernel.org>, Olof Johansson <olof@lixom.net>, 
	Lucas Stach <l.stach@pengutronix.de>, Jeffrey Hugo <quic_jhugo@quicinc.com>
Cc: Cancan Chang <Cancan.Chang@amlogic.com>, Jiho Chu <jiho.chu@samsung.com>, 
	MyungJoo Ham <myungjoo.ham@samsung.com>, Alexandre Bailon <abailon@baylibre.com>, 
	Dejia Shang <Dejia.Shang@armchina.com>, Toby Huang <toby.huang@armchina.com>, 
	Chengkun Sun <CK.Sun@armchina.com>, Cai Huoqing <cai.huoqing@linux.dev>, matthew.bentham@arm.com, 
	Kieran Bingham <kieran.bingham@ideasonboard.com>
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On Tue, May 21, 2024 at 2:12=E2=80=AFPM Daniel Vetter <daniel@ffwll.ch> wro=
te:
>
> On Sat, May 18, 2024 at 10:46:01AM +0200, Tomeu Vizoso wrote:
> > Hi,
> >
> > I would like to use the chance at the next Plumbers to discuss the
> > present challenges related to ML accelerators in mainline.
> >
> > I'm myself more oriented towards edge-oriented deployments, and don't
> > know enough about how these accelerators are being used in the cloud
> > (and maybe desktop?) to tell if there is enough overlap to warrant a
> > common BoF.
> >
> > In any case, these are the topics I would like to discuss, some
> > probably more relevant to the edge than to the cloud or desktop:
> >
> > * What is stopping vendors from mainlining their drivers?
> >
> > * How could we make it easier for them?
> >
> > * Userspace API: how close are we from a common API that we can ask
> > userspace drivers to implement? What can be done to further this goal?
> >
> > * Automated testing: DRM CI can be used, but would be good to have a
> > common test suite to run there. This is probably dependent on a common
> > userspace API.
> >
> > * Other shared userspace infrastructure (compiler, execution,
> > synchronization, virtualization, ...)
> >
> > * Firmware-mediated IP: what should we do about it, if anything?
> >
> > * Any standing issues in DRM infra (GEM, gpu scheduler, DMABuf, etc)
> > that are hurting accel drivers?
> >
> > What do people think, should we have a drivers/accel-wide BoF at
> > Plumbers? If so, what other topics should we have in the agenda?
>
> Yeah sounds good, and I'll try to at least attend lpc this year since it'=
s
> rather close ... Might be good to explicitly ping teams of merged and
> in-flight drivers we have in accel already.

Good point, I'm adding a bunch of people to CC, but I will be for sure
missing at least some, so I would be glad if people can check that
those that they know weren't missed.

Thanks,

Tomeu