linux-kernel - Re: [RFC v2 0/8] Move HEVC stateless controls out of staging

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Message-ID: <20220215130121.4ekixb457ot6zaqi@basti-XPS-13-9310>
Date:   Tue, 15 Feb 2022 14:01:21 +0100
From:   Sebastian Fricke <sebastian.fricke@...labora.com>
To:     Benjamin Gaignard <benjamin.gaignard@...labora.com>
Cc:     mchehab@...nel.org, ezequiel@...guardiasur.com.ar,
        p.zabel@...gutronix.de, gregkh@...uxfoundation.org,
        mripard@...nel.org, paul.kocialkowski@...tlin.com, wens@...e.org,
        jernej.skrabec@...il.com, hverkuil-cisco@...all.nl,
        jonas@...boo.se, nicolas@...fresne.ca, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-staging@...ts.linux.dev,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        kernel@...labora.com, knaerzche@...il.com, jc@...esim.co.uk
Subject: Re: [RFC v2 0/8] Move HEVC stateless controls out of staging

Hey Benjamin,

On 15.02.2022 12:00, Benjamin Gaignard wrote:
>This series aims to make HEVC uapi stable and usable for hardware
>decoder. HEVC uapi is used by 2 mainlined drivers (Cedrus and Hantro)
>and 2 out of the tree drivers (rkvdec and RPI).

Why is rkvdec out-of-tree? It is in the staging directory just like
hantro and cedrus? Am I missing something here?

Greetings,
Sebastian

>
>The 3 first patches are from Hans to implement v4l2 dynamic control
>feature which is need by patch 7 for V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSET
>definition.
>
>Patch 4 move the existing uapi to stable, including definitions renaming
>and CID number change to fit with v4l2 naming.
>
>Patches 5 and 7 add fields needed for rkvdec and RPI decoders.
>
>Patches 6 is cleaning up the uapi of useless field.
>Patches 8 change one field description and name to define offset by
>bytes rather than by bits
>
>Benjamin
>
>Benjamin Gaignard (5):
>  media: uapi: Move HEVC stateless controls out of staging
>  media: uapi: Add fields needed for RKVDEC driver
>  media: uapi: Remove bit_size field from v4l2_ctrl_hevc_slice_params
>  media: uapi: Add V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSET control
>  media: uapi: Change data_bit_offset definition
>
>Hans Verkuil (3):
>  videodev2.h: add V4L2_CTRL_FLAG_DYNAMIC_ARRAY
>  v4l2-ctrls: add support for dynamically allocated arrays.
>  vivid: add dynamic array test control
>
> .../userspace-api/media/drivers/hantro.rst    |   5 -
> .../media/v4l/ext-ctrls-codec.rst             |  58 ++--
> .../media/v4l/vidioc-queryctrl.rst            |   8 +
> .../media/test-drivers/vivid/vivid-ctrls.c    |  15 ++
> drivers/media/v4l2-core/v4l2-ctrls-api.c      | 103 ++++++--
> drivers/media/v4l2-core/v4l2-ctrls-core.c     | 182 ++++++++++---
> drivers/media/v4l2-core/v4l2-ctrls-defs.c     |  32 +--
> drivers/media/v4l2-core/v4l2-ctrls-priv.h     |   3 +-
> drivers/media/v4l2-core/v4l2-ctrls-request.c  |  13 +-
> drivers/staging/media/hantro/hantro_drv.c     |  27 +-
> drivers/staging/media/hantro/hantro_hevc.c    |   8 +-
> drivers/staging/media/sunxi/cedrus/cedrus.c   |  24 +-
> .../staging/media/sunxi/cedrus/cedrus_dec.c   |  10 +-
> .../staging/media/sunxi/cedrus/cedrus_h265.c  |  13 +-
> include/linux/hantro-media.h                  |  17 ++
> include/media/hevc-ctrls.h                    | 250 ------------------
> include/media/v4l2-ctrls.h                    |  48 +++-
> include/uapi/linux/v4l2-controls.h            | 224 ++++++++++++++++
> include/uapi/linux/videodev2.h                |   8 +
> 19 files changed, 640 insertions(+), 408 deletions(-)
> create mode 100644 include/linux/hantro-media.h
> delete mode 100644 include/media/hevc-ctrls.h
>
>-- 
>2.32.0
>