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

From: Alex Deucher
Date: Mon Nov 21 2022 - 10:57:53 EST


On Sat, Nov 19, 2022 at 3:44 PM Oded Gabbay <ogabbay@xxxxxxxxxx> 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@xxxxxxxxxx/T/
>
> v3 cover letter:
> https://lore.kernel.org/lkml/20221106210225.2065371-1-ogabbay@xxxxxxxxxx/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@xxxxxxx>

> 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
>