linux-kernel - Re: [PATCH v3 0/4] media: HEVC: RPS clean up

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Message-ID: <3887bbab-b9e6-6147-5147-bad507065484@collabora.com>
Date:   Tue, 14 Dec 2021 17:09:57 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     mchehab@...nel.org, ezequiel@...guardiasur.com.ar,
        p.zabel@...gutronix.de, gregkh@...uxfoundation.org,
        hverkuil-cisco@...all.nl
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-staging@...ts.linux.dev, kernel@...labora.com
Subject: Re: [PATCH v3 0/4] media: HEVC: RPS clean up


Le 25/11/2021 à 16:56, Benjamin Gaignard a écrit :
> This series aims to clean up Reference Picture Set usage and flags.
>
> Long term flag was named with RPS prefix while it is not used for RPS
> but for mark long term references in DBP. Remane it and remove the two
> other useless RPS flags.
>
> Clarify documentation about RPS lists content and make sure that Hantro
> driver use them correctly (i.e without look up in DBP).

Dear reviewers,
this series is waiting for feedback ;-)

Thanks lot for your time.
Benjamin

>
> version 3:
> - rebased on top of v5.16-rc1
>
> version 2:
> - change DPB field name from rps to flags
>
> Please note that the only purpose of commits 3 and 4 is to allow to test
> G2 hardware block for IMX8MQ until a proper solution isuing power domain
> can be found. Do not merge them.
>
> GStreamer HEVC plugin merge request can be found here:
> https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1079
>
> With those piece of code fluster score is 77/147.
>
> Benjamin Gaignard (4):
>    media: hevc: Remove RPS named flags
>    media: hevc: Embedded indexes in RPS
>    media: hantro: Use syscon instead of 'ctrl' register
>    arm64: dts: imx8mq: Add node to G2 hardware
>
>   .../media/v4l/ext-ctrls-codec.rst             | 14 +++---
>   arch/arm64/boot/dts/freescale/imx8mq.dtsi     | 43 +++++++++++++----
>   drivers/staging/media/hantro/hantro.h         |  5 +-
>   .../staging/media/hantro/hantro_g2_hevc_dec.c | 27 +++--------
>   drivers/staging/media/hantro/imx8m_vpu_hw.c   | 48 ++++++++++++-------
>   .../staging/media/sunxi/cedrus/cedrus_h265.c  |  2 +-
>   include/media/hevc-ctrls.h                    |  6 +--
>   7 files changed, 84 insertions(+), 61 deletions(-)
>