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

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Date:   Tue, 21 Jun 2022 10:56:14 -0400
From:   Nicolas Dufresne <nicolas@...fresne.ca>
To:     "yunfei.dong@...iatek.com" <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 mercredi 15 juin 2022 à 19:37 +0800, yunfei.dong@...iatek.com a écrit :
> Hi Nicolas,
> 
> Thanks for your comments.
> On Mon, 2022-06-13 at 16:10 -0400, Nicolas Dufresne wrote:
> > > 
> 
> > 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.
> For we don't setup mt8186 fluster test environment. So not to run
> fluster in mt8186. According to our plan, we will do fluster test for
> every project begin from mt8188.
> 
> When I'm free, we continue to setup the fluster test environment for
> mt8186.

I may be able to help here then if needed. Just let me know. Meanwhile, it seems
a bit early to consider merging these patches as they seems to lack the level of
testing we'd normally expect for non-staging driver changes.

regards,
Nicolas

> 
> Thanks,
> Yunfei Dong
> > > 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(-)
> > > 
> > 
> > 
>