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

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Date:   Tue, 14 Jun 2022 13:46:06 -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 lundi 13 juin 2022 à 16:10 -0400, Nicolas Dufresne a écrit :
> 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/

I forgot earlier, but I suppose this will also depends on an scp.img firmware ?
If so, any linux-firmware submission to link to ?

> > ---
> > 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(-)
> > 
>