linux-kernel - Re: [PATCH v20 0/6] Add mutex support for MDP

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Date:   Mon, 20 Jun 2022 15:09:42 +0200
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     "moudy.ho" <moudy.ho@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Rob Landley <rob@...dley.net>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        linux-media@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Alexandre Courbot <acourbot@...omium.org>, tfiga@...omium.org,
        drinkcat@...omium.org, pihsun@...omium.org, hsinyi@...gle.com,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        daoyuan huang <daoyuan.huang@...iatek.com>,
        Ping-Hsun Wu <ping-hsun.wu@...iatek.com>,
        allen-kh.cheng@...iatek.com, xiandong.wang@...iatek.com,
        randy.wu@...iatek.com, jason-jh.lin@...iatek.com,
        roy-cw.yeh@...iatek.com, river.cheng@...iatek.com,
        Project_Global_Chrome_Upstream_Group@...iatek.com,
        cellopoint.kai@...il.com
Subject: Re: [PATCH v20 0/6] Add mutex support for MDP



On 20/06/2022 03:36, moudy.ho wrote:
> On Fri, 2022-06-17 at 15:54 +0200, Matthias Brugger wrote:
>>
>> On 10/06/2022 08:34, Moudy Ho wrote:
>>> Change since V19:
>>> - Reduce parameters pass to function "mtk_mutex_write_sof"
>>>     to avoid redundant action.
>>>
>>> Change since V18:
>>> - Rebase on v5.19-rc1
>>> - Remove unnecessary functions:
>>>     "mtk_mutex_set_mod", "mtk_mutex_clear_mod",
>>>     "mtk_mutex_set_sof" and "mtk_mutex_clear_sof", and export
>>>     "mtk_mutex_write_mod" and "mtk_mutex_write_sof" to
>>>     set MOD/SOF directly.
>>> - Remove unnecessary SOF tables and add new enumerations of SOF
>>> instead.
>>> - Adjust the error checking for CMDQ operations.
>>>
>>> Change since V17:
>>> - Rebase on v5.18-rc6
>>> - Fix undeclared identifier causing compilation to fail.
>>>
>>> Change since V16:
>>> - Rebase on v5.18-rc4
>>> - Fix misplacement of definition "CONFIG_MTK_CMDQ" which
>>>     caused compilation error when CMD is not supported.
>>>
>>> Change since V15:
>>> - Rebase on linux-next.
>>> - As suggested by Angelo, split common parts into independent
>>> functions to
>>>     make functions more concise.
>>> - Based on safety considerations, increase the returned error
>>> number and
>>>     message to facilitate error handling.
>>>
>>> Change since V14:
>>> - Rebase on linux-next.
>>> - Add new SOF and MOD table for general interface to integrate the
>>> requirement
>>>     of different modules.
>>> - Remove unnecessary MOD structure.
>>> - By Rob Herring's suggestion, revise the description of
>>>     "mediatek,gce-client-reg" in MUTEX dt-bindings.
>>> - Delete the redundant definition of MTK_MUTEX_ENABLE and modify
>>> corresponding
>>>     function.
>>>
>>> Change since V13:
>>> - Rebase on linux-next tag:next-20220316
>>> - Adjust the MUTEX MOD table structure and corresponding functions.
>>> - Adjust the definition style about 8183 MDP MOD.
>>> - Remove redundant definitions and enumerations.
>>> - Adjust the CMDQ operation in MUTEX to be backward compatible
>>>
>>> Change since V12:
>>> - Rebase on linux-next
>>> - Remove ISP related settings in MMSYS
>>> - Removed CMDQ operations previously used by MDP in MMSYS
>>> - Move mediatek MUTEX dt-binding path
>>> - Add additional property in MUTEX for CMDQ operations
>>>
>>> Change since V11:
>>> - Rebase on v5.17-rc6.
>>>
>>> [1]:
>>> https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/commit/?h=v5.17-next*soc&id=5f9b5b757e44de47ebdc116c14b90e3cc8bc7acb__;Lw!!CTRNKA9wMg0ARbw!xbP5nA78eRJ8wIp4yFgD5aE4jwxaKHyasyrDibJyg6s4V_rFBmX96_JR5DQsUzWs$
>>>   
>>> [2]:
>>> https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/commit/?h=v5.17-next*soc&id=831785f0e5b919c29e1bc5f9a74e9ebd38289e24__;Lw!!CTRNKA9wMg0ARbw!xbP5nA78eRJ8wIp4yFgD5aE4jwxaKHyasyrDibJyg6s4V_rFBmX96_JR5AuVaksc$
>>>   
>>> [3]:
>>> https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux.git/commit/?h=v5.17-next*soc&id=15f1768365aed810826a61fef4a744437aa5b426__;Lw!!CTRNKA9wMg0ARbw!xbP5nA78eRJ8wIp4yFgD5aE4jwxaKHyasyrDibJyg6s4V_rFBmX96_JR5NwN4SIb$
>>>   
>>>
>>> Change since v10:
>>> - For some ISP application scenarios, such as preview and recording
>>>     at the same time.
>>>     The routing table needs to be discarded, and the calculation
>>> result
>>>     on the SCP side is used to write a suitable mux setting for
>>>     1 input and 2 output.
>>> - Adjust the GCE client register parsing method to avoid redundant
>>> warning logs.
>>>
>>> Change since v9:
>>> - Add API for MDP getting mutex mod.
>>>
>>> Hi,
>>>
>>> This patch splits mmsys and mutex settings from Media Data Path 3
>>> (MDP3),
>>> and original mailling list list below:
>>>
> https://urldefense.com/v3/__https://patchwork.kernel.org/project/linux-mediatek/cover/20211201095031.31606-1-moudy.ho@mediatek.com/__;!!CTRNKA9wMg0ARbw!xbP5nA78eRJ8wIp4yFgD5aE4jwxaKHyasyrDibJyg6s4V_rFBmX96_JR5Ov7mlf5$
>>>   
>>> Corresponding settings and interfaces are added for MDP operation
>>> in the
>>> mmsys and mutex drivers, which increases the independence of the
>>> modules
>>>
>>> Moudy Ho (6):
>>>     soc: mediatek: mutex: add common interface for modules setting
>>>     soc: mediatek: mutex: add 8183 MUTEX MOD settings for MDP
>>>     dt-bindings: soc: mediatek: move out common module from display
>>> folder
>>>     dt-bindings: soc: mediatek: add gce-client-reg for MUTEX
>>>     dts: arm64: mt8183: add GCE client property for Mediatek MUTEX
>>
>> If fixed the commit subject to arm64: dts: mt8183...
>> Whole series applied,
>>
>> Thanks!
>>
> 
> Hi Matthias,
> 
> Thanks for the correction, I'll fix it as soon as possible.

I already fixed that when I took the series. No action from your side needed.

Regards,
Matthias

> 
> Regards,
> Moudy
> 
>>>     soc: mediatek: mutex: add functions that operate registers by
>>> CMDQ
>>>
>>>    .../mediatek/mediatek,mutex.yaml              |  14 ++-
>>>    arch/arm64/boot/dts/mediatek/mt8183.dtsi      |   1 +
>>>    drivers/soc/mediatek/mtk-mutex.c              | 119
>>> +++++++++++++++++-
>>>    include/linux/soc/mediatek/mtk-mutex.h        |  27 ++++
>>>    4 files changed, 159 insertions(+), 2 deletions(-)
>>>    rename Documentation/devicetree/bindings/{display =>
>>> soc}/mediatek/mediatek,mutex.yaml (81%)
>>>
>