linux-kernel - Re: [PATCH v4 0/4] new subsystem for compute accelerator devices

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Date:   Mon, 21 Nov 2022 10:58:27 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Oded Gabbay <ogabbay@...nel.org>
Cc:     David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        Jacek Lawrynowicz <jacek.lawrynowicz@...ux.intel.com>,
        Jeffrey Hugo <quic_jhugo@...cinc.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Arnd Bergmann <arnd@...db.de>, Jiho Chu <jiho.chu@...sung.com>,
        John Hubbard <jhubbard@...dia.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        Christoph Hellwig <hch@...radead.org>,
        Christopher Friedt <chrisfriedt@...il.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Kevin Hilman <khilman@...libre.com>,
        Alex Deucher <alexander.deucher@....com>,
        Yuji Ishikawa <yuji2.ishikawa@...hiba.co.jp>,
        Maciej Kwapulinski <maciej.kwapulinski@...ux.intel.com>,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: Re: [PATCH v4 0/4] new subsystem for compute accelerator devices

On Mon, Nov 21, 2022 at 10:57 AM Alex Deucher <alexdeucher@...il.com> wrote:
>
> On Sat, Nov 19, 2022 at 3:44 PM Oded Gabbay <ogabbay@...nel.org> wrote:
> >
> > This is the fourth (and hopefully last) version of the patch-set to add the
> > new subsystem for compute accelerators. I removed the RFC headline as
> > I believe it is now ready for merging.
> >
> > Compare to v3, this patch-set contains one additional patch that adds
> > documentation regarding the accel subsystem. I hope it's good enough for
> > this stage. In addition, there were few very minor fixes according to
> > comments received on v3.
> >
> > The patches are in the following repo:
> > https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/accel.git/log/?h=accel_v4
> >
> > As in v3, The HEAD of that branch is a commit adding a dummy driver that
> > registers an accel device using the new framework. This can be served
> > as a simple reference.
> >
> > v1 cover letter:
> > https://lkml.org/lkml/2022/10/22/544
> >
> > v2 cover letter:
> > https://lore.kernel.org/lkml/20221102203405.1797491-1-ogabbay@kernel.org/T/
> >
> > v3 cover letter:
> > https://lore.kernel.org/lkml/20221106210225.2065371-1-ogabbay@kernel.org/T/
> >
>
> With the understanding that individual drivers can choose to use
> either classic drm or accel, whichever makes the most sense to them,
> this series is:
> Acked-by: Alex Deucher <alexander.deucer@....com>

and not typo my email:
Acked-by: Alex Deucher <alexander.deucher@....com>

>
> > Thanks,
> > Oded.
> >
> > Oded Gabbay (4):
> >   drivers/accel: define kconfig and register a new major
> >   accel: add dedicated minor for accelerator devices
> >   drm: initialize accel framework
> >   doc: add documentation for accel subsystem
> >
> >  Documentation/accel/index.rst         |  17 ++
> >  Documentation/accel/introduction.rst  | 109 +++++++++
> >  Documentation/admin-guide/devices.txt |   5 +
> >  Documentation/subsystem-apis.rst      |   1 +
> >  MAINTAINERS                           |   9 +
> >  drivers/Kconfig                       |   2 +
> >  drivers/accel/Kconfig                 |  24 ++
> >  drivers/accel/drm_accel.c             | 323 ++++++++++++++++++++++++++
> >  drivers/gpu/drm/Makefile              |   1 +
> >  drivers/gpu/drm/drm_drv.c             | 102 +++++---
> >  drivers/gpu/drm/drm_file.c            |   2 +-
> >  drivers/gpu/drm/drm_sysfs.c           |  24 +-
> >  include/drm/drm_accel.h               |  97 ++++++++
> >  include/drm/drm_device.h              |   3 +
> >  include/drm/drm_drv.h                 |   8 +
> >  include/drm/drm_file.h                |  21 +-
> >  16 files changed, 711 insertions(+), 37 deletions(-)
> >  create mode 100644 Documentation/accel/index.rst
> >  create mode 100644 Documentation/accel/introduction.rst
> >  create mode 100644 drivers/accel/Kconfig
> >  create mode 100644 drivers/accel/drm_accel.c
> >  create mode 100644 include/drm/drm_accel.h
> >
> > --
> > 2.25.1
> >