linux-kernel - Re: DRM Accel BoF at Linux Plumbers

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Message-ID: <20240520114907.GA6275@pendragon.ideasonboard.com>
Date: Mon, 20 May 2024 14:49:07 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Tomeu Vizoso <tomeu@...euvizoso.net>
Cc: open list <linux-kernel@...r.kernel.org>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	David Airlie <airlied@...il.com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Christian Gmeiner <christian.gmeiner@...il.com>,
	Oded Gabbay <ogabbay@...nel.org>, Olof Johansson <olof@...om.net>,
	Lucas Stach <l.stach@...gutronix.de>,
	Jeffrey Hugo <quic_jhugo@...cinc.com>
Subject: Re: DRM Accel BoF at Linux Plumbers

Hi Tomeu,

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?

I'm interested in attending, even if so far I have limited involvement
in that area. Looking forward we're considering usage of ML accelerators
in libcamera for various purposes, so an open ecosystem will be crucial
for us.

-- 
Regards,

Laurent Pinchart