linux-kernel - Re: [PATCH v5, 15/15] media: mtk-vcodec: support stateless VP9 decoding

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Date:   Wed, 19 Jan 2022 12:28:09 +0100
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     Yunfei Dong <yunfei.dong@...iatek.com>,
        Alexandre Courbot <acourbot@...omium.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Tzung-Bi Shih <tzungbi@...omium.org>,
        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>,
        Dafna Hirschfeld <dafna.hirschfeld@...labora.com>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        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, srv_heupstream@...iatek.com,
        linux-mediatek@...ts.infradead.org,
        Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH v5, 15/15] media: mtk-vcodec: support stateless VP9
 decoding

Il 17/01/22 10:40, Yunfei Dong ha scritto:
> Add support for VP9 decoding using the stateless API,
> as supported by MT8192. And the drivers is lat and core architecture.
> 
> Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
> Signed-off-by: George Sun <george.sun@...iatek.com>
> ---
>   drivers/media/platform/mtk-vcodec/Makefile    |    1 +
>   .../mtk-vcodec/mtk_vcodec_dec_stateless.c     |   26 +-
>   .../platform/mtk-vcodec/mtk_vcodec_drv.h      |    1 +
>   .../mtk-vcodec/vdec/vdec_vp9_req_lat_if.c     | 1973 +++++++++++++++++
>   .../media/platform/mtk-vcodec/vdec_drv_if.c   |    4 +
>   .../media/platform/mtk-vcodec/vdec_drv_if.h   |    1 +
>   6 files changed, 2003 insertions(+), 3 deletions(-)
>   create mode 100644 drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_req_lat_if.c
> 

Hello Yunfei,
this driver is based on an older version of the VP9 stateless decoder uAPI,
hence this is not applicable upstream.

The latest linux-next tag (as of today) already contains the new and
accepted code; can you please rebase over that one?

Thanks,
Angelo