linux-kernel - Re: [PATCH 0/2] Add vcp driver

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Message-ID: <4981f87ea9d86fb8633278ab31f7341ec0a9ad74.camel@mediatek.com>
Date: Sun, 6 Apr 2025 08:05:32 +0000
From: Xiangzhi Tang (唐相志)
	<Xiangzhi.Tang@...iatek.com>
To: "krzk@...nel.org" <krzk@...nel.org>, "conor+dt@...nel.org"
	<conor+dt@...nel.org>, "robh@...nel.org" <robh@...nel.org>,
	"matthias.bgg@...il.com" <matthias.bgg@...il.com>, "krzk+dt@...nel.org"
	<krzk+dt@...nel.org>, "andersson@...nel.org" <andersson@...nel.org>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"mathieu.poirier@...aro.org" <mathieu.poirier@...aro.org>
CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"linux-remoteproc@...r.kernel.org" <linux-remoteproc@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Hailong Fan (范海龙) <Hailong.Fan@...iatek.com>,
	Project_Global_Chrome_Upstream_Group
	<Project_Global_Chrome_Upstream_Group@...iatek.com>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>,
	Jjian Zhou (周建) <Jjian.Zhou@...iatek.com>
Subject: Re: [PATCH 0/2] Add vcp driver

On Wed, 2025-04-02 at 12:31 +0200, Krzysztof Kozlowski wrote:
> External email : Please do not click links or open attachments until
> you have verified the sender or the content.
> 
> 
> On 02/04/2025 11:19, Xiangzhi Tang wrote:
> > Add support MediaTek's Video Companion Processor(VCP) host driver
> > to
> > control the MediaTek VCP Risc-V coprocessor.
> > The VCP host driver using rproc mechanism to load vcm firmware
> > from filesystem, and using SMC services to request ATF to setting
> > vcp boot sequence, and Host communicated with VCP FW depends on VCP
> > IPC interfaces
> > 
> > This series patches dependent on:
> > [1]
> > 
https://lore.kernel.org/all/20250307032942.10447-1-guangjie.song@mediatek.com/
> 
> They should not depend. It blocks your patch. I suggest decoupling
> from
> dependencies.
> I run test "make dt_binding_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/remoteproc/mediatek,m
t8196-vcp.yaml", And, I have to cherry-pick first "

https://lore.kernel.org/all/20250307032942.10447-1-guangjie.song@mediatek.com/
" and "

https://patchwork.kernel.org/project/linux-mediatek/patch/20250317110331.2776-4-jjian.zhou@mediatek.com/
"
> 
> 
> Best regards,
> Krzysztof