linux-kernel - Re: [PATCH v4 0/8] Enable video decoder & encoder for MT8189

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <c6a20acff1f2726b5323500356abb6dcc37f551e.camel@mediatek.com>
Date: Wed, 22 Oct 2025 02:41:07 +0000
From: Kyrie Wu (吴晗) <Kyrie.Wu@...iatek.com>
To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	George Sun (孙林) <George.Sun@...iatek.com>,
	Tiffany Lin (林慧珊) <tiffany.lin@...iatek.com>,
	"nhebert@...omium.org" <nhebert@...omium.org>, "linux-media@...r.kernel.org"
	<linux-media@...r.kernel.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, "mchehab@...nel.org" <mchehab@...nel.org>,
	"nicolas.dufresne@...labora.com" <nicolas.dufresne@...labora.com>,
	"hverkuil@...all.nl" <hverkuil@...all.nl>,
	Kyrie Wu (吴晗) <Kyrie.Wu@...iatek.com>,
	Yunfei Dong (董云飞) <Yunfei.Dong@...iatek.com>,
	"conor+dt@...nel.org" <conor+dt@...nel.org>,
	Irui Wang (王瑞) <Irui.Wang@...iatek.com>,
	"robh@...nel.org" <robh@...nel.org>, "sebastian.fricke@...labora.com"
	<sebastian.fricke@...labora.com>, "linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "matthias.bgg@...il.com"
	<matthias.bgg@...il.com>, "christophe.jaillet@...adoo.fr"
	<christophe.jaillet@...adoo.fr>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
	"arnd@...db.de" <arnd@...db.de>,
	Andrew-CT Chen (陳智迪)
	<Andrew-CT.Chen@...iatek.com>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>
CC: "andrzejtp2010@...il.com" <andrzejtp2010@...il.com>,
	"neil.armstrong@...aro.org" <neil.armstrong@...aro.org>
Subject: Re: [PATCH v4 0/8] Enable video decoder & encoder for MT8189

On Thu, 2025-10-16 at 10:42 -0400, Nicolas Dufresne wrote:
> Hi,
> 
> Le jeudi 16 octobre 2025 à 14:07 +0800, Kyrie Wu a écrit :
> > This series have the follow changing:
> > Firstly add mt8189 video decoder compatible, profile and level to
> > support
> > MT8189 kernel driver.
> > Secondly fix some bugs, including vp 4K profile2 and media device
> > node
> > number bug.
> > Lastly, add mt8189 video encoder compatible.
> > 
> > This series has been tested with MT8189 tast test.
> > Encoding and decoding worked for this chip.
> > 
> > Patches 1-2 Add decoder compatible.
> > Patches 3 Add profile and level supporting.
> > Patches 4 Add core-only VP9 decoding supporting.
> > Patches 5-6 fix some bugs.
> > Patches 7-8 Adds encoder compatible.
> > 
> > ---
> > H264 test results:
> > ./fluster.py run -d GStreamer-H.264-V4L2SL-Gst1.0 -j1 -t 90
> >      JVT-AVC_V1       94/135
> 
> Your set indicates that this SoC supports more then H.264, any reason
> to omit
> other codecs ? Also, why not -j2, does it mean concurrent decoding is
> broken ?
Dear Nicolas,

I will update the H264 and vp9 concurrent decoding test results in the
next version.

Thanks.
> > 
> > v4l2-compliance test results:
> > Compliance test for mtk-vcodec-enc device /dev/video2:
> > Total for mtk-vcodec-enc device /dev/video2: 47, Succeeded: 46,
> > Failed: 1, Warnings: 0
> > Compliance test for mtk-vcodec-dec device /dev/video3:
> > Total for mtk-vcodec-dec device /dev/video3: 48, Succeeded: 48,
> > Failed: 0, Warnings: 0
> > 
> > scp upstream link:
> > 
https://patchwork.kernel.org/project/linux-mediatek/patch/20250811015922.32680-1-huayu.zong@mediatek.com/
> > 
> > Changes compared with v3:
> > --add reviewer to commit messages
> > --Rebased on top of the latest media tree
> > 
> > Changes compared with v2:
> > --add H264 fluster test results
> > --reorder compatible string for dt-bindings
> > 
> > Changes compared with v1:
> > --add v4l2-compliance test results
> > --add scp upstream link
> > --add HW difference discriptions for dt-bindings commit messages
> > 
> > This series patches dependent on:
> > [1]
> > 
https://patchwork.linuxtv.org/project/linux-media/cover/20250510075357.11761-1-yunfei.dong@mediatek.com/
> > [2]
> > 
https://patchwork.linuxtv.org/project/linux-media/cover/20250814085642.17343-1-kyrie.wu@mediatek.com/
> 
> It could be nice to quote the subjects, so we can decide to open the
> links or
> not. I suppose you opted for sending the DTS separately, I don't have
> the HW,
> but if my chances someone wanted to test that, he's need a these, can
> you link
> them please ?
> 
> Nicolas

In the coming version, I will attach the dts patch link.

Thanks.

Regards,
Kyrie.
> 
> > 
> > Kyrie Wu (8):
> >   dt-bindings: media: mediatek: decoder: Add MT8189
> >     mediatek,vcodec-decoder
> >   media: mediatek: vcodec: add decoder compatible to support MT8189
> >   media: mediatek: vcodec: add profile and level supporting for
> > MT8189
> >   media: mediatek: vcodec: Add core-only VP9 decoding support for
> > MT8189
> >   media: mediatek: vcodec: fix vp9 4096x2176 fail for profile2
> >   media: mediatek: vcodec: fix media device node number
> >   dt-bindings: media: Add MT8189 mediatek,vcodec-encoder
> >   media: mediatek: encoder: Add MT8189 encoder compatible data
> > 
> >  .../media/mediatek,vcodec-encoder.yaml        |  2 ++
> >  .../media/mediatek,vcodec-subdev-decoder.yaml |  1 +
> >  .../vcodec/decoder/mtk_vcodec_dec_drv.c       |  9 +++++-
> >  .../vcodec/decoder/mtk_vcodec_dec_drv.h       |  1 +
> >  .../vcodec/decoder/mtk_vcodec_dec_stateless.c |  4 +++
> >  .../vcodec/decoder/vdec/vdec_vp9_req_lat_if.c | 32 ++++++++++++---
> > ----
> >  .../vcodec/encoder/mtk_vcodec_enc_drv.c       | 14 ++++++++
> >  7 files changed, 50 insertions(+), 13 deletions(-)