linux-kernel - Re: [PATCH v4, 0/3] add h264 decoder driver for mt8186

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Date:   Mon, 13 Jun 2022 16:10:05 -0400
From:   Nicolas Dufresne <nicolas@...fresne.ca>
To:     Yunfei Dong <yunfei.dong@...iatek.com>,
        Alexandre Courbot <acourbot@...omium.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tomasz Figa <tfiga@...gle.com>
Cc:     George Sun <george.sun@...iatek.com>,
        Xiaoyong Lu <xiaoyong.lu@...iatek.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Irui Wang <irui.wang@...iatek.com>,
        Steve Cho <stevecho@...omium.org>, 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,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v4, 0/3] add h264 decoder driver for mt8186

Le jeudi 12 mai 2022 à 11:46 +0800, Yunfei Dong a écrit :
> Firstly, add mt8186 compatible and private data, then add document for
> compatible "mediatek,mt8186-vcodec-dec". For mt8186 is single core
> architecture, need to add new interface for h264 hardware decoder.

Would be nice to take the habit of sharing fluster score for this new HW, I
would expect no less then what the numbers you'd get from running over MT8195 or
92, remains nice to demonstrate that this was tested and document any oops along
the way.
> 
> Patche 1 add mt8186 compatible and private data.
> Patche 2 add mt8186 compatible document.
> Patche 3 add h264 single core driver.
> ---
> This patch depends on "support for MT8192 decoder"[1]
> 
> [1]  https://patchwork.kernel.org/project/linux-mediatek/cover/20220512021950.29087-1-yunfei.dong@mediatek.com/
> ---
> changed with v3:
> - fix __iomem not reasonable, align share memory to dram.
> changed with v2:
> - fix sparse and smatch check fail for patch 3
> changed with v1:
> - rebase driver to the latest media_stage.
> ---
> Yunfei Dong (3):
>   dt-bindings: media: mediatek: vcodec: Adds decoder dt-bindings for
>     mt8186
>   media: mediatek: vcodec: Support MT8186
>   media: mediatek: vcodec: add h264 decoder driver for mt8186
> 
>  .../media/mediatek,vcodec-subdev-decoder.yaml |   4 +-
>  .../platform/mediatek/vcodec/mtk_vcodec_dec.h |   1 +
>  .../mediatek/vcodec/mtk_vcodec_dec_drv.c      |   4 +
>  .../vcodec/mtk_vcodec_dec_stateless.c         |  19 ++
>  .../vcodec/vdec/vdec_h264_req_multi_if.c      | 177 +++++++++++++++++-
>  5 files changed, 203 insertions(+), 2 deletions(-)
>