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

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Date:   Tue, 15 Feb 2022 14:24:46 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     Sebastian Fricke <sebastian.fricke@...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


Le 15/02/2022 à 14:01, Sebastian Fricke a écrit :
> 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?

I have made a shortcut here: HEVC part of rkvdec isn't in staging directory.
I hope that this series will enough to add it after.

Regards,
Benjamin

>
> 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
>>