linux-kernel - RE: [EXT] Re: [PATCH v13 04/13] media: amphion: add vpu core driver

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Message-ID: <AM6PR04MB6341380F082DA9A9BEAB899AE7699@AM6PR04MB6341.eurprd04.prod.outlook.com>
Date:   Thu, 2 Dec 2021 09:24:35 +0000
From:   Ming Qian <ming.qian@....com>
To:     Hans Verkuil <hverkuil-cisco@...all.nl>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>
CC:     "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "festevam@...il.com" <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        Aisheng Dong <aisheng.dong@....com>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [EXT] Re: [PATCH v13 04/13] media: amphion: add vpu core driver

> -----Original Message-----
> From: Hans Verkuil [mailto:hverkuil-cisco@...all.nl]
> Sent: Thursday, December 2, 2021 5:05 PM
> To: Ming Qian <ming.qian@....com>; mchehab@...nel.org;
> shawnguo@...nel.org; robh+dt@...nel.org; s.hauer@...gutronix.de
> Cc: kernel@...gutronix.de; festevam@...il.com; dl-linux-imx
> <linux-imx@....com>; Aisheng Dong <aisheng.dong@....com>;
> linux-media@...r.kernel.org; linux-kernel@...r.kernel.org;
> devicetree@...r.kernel.org; linux-arm-kernel@...ts.infradead.org
> Subject: [EXT] Re: [PATCH v13 04/13] media: amphion: add vpu core driver
> 
> Caution: EXT Email
> 
> On 30/11/2021 10:48, Ming Qian wrote:
> > The vpu supports encoder and decoder.
> > it needs mu core to handle it.
> 
> "mu core"? Do you mean "vpu core"? If not, then what is a "mu core"?
> 
> Regards,
> 
>         Hans

Yes, it means "vpu core", we often call it mu internally.
I'm sorry that my statement caused confusion

> 
> > core will run either encoder or decoder firmware.
> >
> > This driver is for support the vpu core.
> >
> > Signed-off-by: Ming Qian <ming.qian@....com>
> > Signed-off-by: Shijie Qin <shijie.qin@....com>
> > Signed-off-by: Zhou Peng <eagle.zhou@....com>
> > ---
> >  drivers/media/platform/amphion/vpu_codec.h |  67 ++
> >  drivers/media/platform/amphion/vpu_core.c  | 906
> +++++++++++++++++++++
> >  drivers/media/platform/amphion/vpu_core.h  |  15 +
> >  drivers/media/platform/amphion/vpu_dbg.c   | 495 +++++++++++
> >  drivers/media/platform/amphion/vpu_rpc.c   | 279 +++++++
> >  drivers/media/platform/amphion/vpu_rpc.h   | 464 +++++++++++
> >  6 files changed, 2226 insertions(+)
> >  create mode 100644 drivers/media/platform/amphion/vpu_codec.h
> >  create mode 100644 drivers/media/platform/amphion/vpu_core.c
> >  create mode 100644 drivers/media/platform/amphion/vpu_core.h
> >  create mode 100644 drivers/media/platform/amphion/vpu_dbg.c
> >  create mode 100644 drivers/media/platform/amphion/vpu_rpc.c
> >  create mode 100644 drivers/media/platform/amphion/vpu_rpc.h
> >