linux-kernel - Re: [PATCH] drm/mediatek/dp: Add the HDCP feature for DisplayPort

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Date:   Fri, 1 Dec 2023 01:46:17 +0000
From:   CK Hu (胡俊光) <ck.hu@...iatek.com>
To:     Mac Shen (沈俊) <Mac.Shen@...iatek.com>,
        "chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
        Jitao Shi (石记涛) <jitao.shi@...iatek.com>,
        "daniel@...ll.ch" <daniel@...ll.ch>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "airlied@...il.com" <airlied@...il.com>,
        "matthias.bgg@...il.com" <matthias.bgg@...il.com>,
        "angelogioacchino.delregno@...labora.com" 
        <angelogioacchino.delregno@...labora.com>
CC:     "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Shuijing Li (李水静) 
        <Shuijing.Li@...iatek.com>
Subject: Re: [PATCH] drm/mediatek/dp: Add the HDCP feature for DisplayPort

Hi, Mac:

On Fri, 2023-11-24 at 16:53 +0800, mac.shen wrote:
> Add tee client application, HDCP 1.x and 2.x authentication for
> DisplayPort
> to support the HDCP feature.
> 
> Signed-off-by: mac.shen <mac.shen@...iatek.com>
> ---
>  drivers/gpu/drm/mediatek/Makefile         |    7 +-
>  drivers/gpu/drm/mediatek/ca/tci.h         |  143 +++
>  drivers/gpu/drm/mediatek/ca/tlDPHdcpCMD.h |   36 +

Use lower case for file name.

>  drivers/gpu/drm/mediatek/ca/tlcDpHdcp.c   |  638 +++++++++++++
>  drivers/gpu/drm/mediatek/ca/tlcDpHdcp.h   |  305 +++++++

Why need a ca folder?

>  drivers/gpu/drm/mediatek/mtk_dp.c         |  159 +++-
>  drivers/gpu/drm/mediatek/mtk_dp.h         |   17 +
>  drivers/gpu/drm/mediatek/mtk_dp_hdcp.h    |  154 ++++
>  drivers/gpu/drm/mediatek/mtk_dp_hdcp1x.c  |  646 +++++++++++++
>  drivers/gpu/drm/mediatek/mtk_dp_hdcp1x.h  |   55 ++
>  drivers/gpu/drm/mediatek/mtk_dp_hdcp2.c   | 1008
> +++++++++++++++++++++
>  drivers/gpu/drm/mediatek/mtk_dp_hdcp2.h   |   75 ++
>  drivers/gpu/drm/mediatek/mtk_dp_reg.h     |    6 +-
>  13 files changed, 3233 insertions(+), 16 deletions(-)
>  create mode 100644 drivers/gpu/drm/mediatek/ca/tci.h
>  create mode 100644 drivers/gpu/drm/mediatek/ca/tlDPHdcpCMD.h
>  create mode 100644 drivers/gpu/drm/mediatek/ca/tlcDpHdcp.c
>  create mode 100644 drivers/gpu/drm/mediatek/ca/tlcDpHdcp.h
>  create mode 100644 drivers/gpu/drm/mediatek/mtk_dp.h
>  create mode 100644 drivers/gpu/drm/mediatek/mtk_dp_hdcp.h
>  create mode 100644 drivers/gpu/drm/mediatek/mtk_dp_hdcp1x.c
>  create mode 100644 drivers/gpu/drm/mediatek/mtk_dp_hdcp1x.h
>  create mode 100644 drivers/gpu/drm/mediatek/mtk_dp_hdcp2.c
>  create mode 100644 drivers/gpu/drm/mediatek/mtk_dp_hdcp2.h
> 

This is large patch, so I would like you to separate this patch. Maybe 
ca, hdcp1, and hdcp2.

Regards,
CK