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

From: "CK Hu (胡俊光)" <ck.hu@mediatek.com>
To: "Mac Shen (沈俊)" <Mac.Shen@mediatek.com>,
	"chunkuang.hu@kernel.org" <chunkuang.hu@kernel.org>,
	"Jitao Shi (石记涛)" <jitao.shi@mediatek.com>,
	"daniel@ffwll.ch" <daniel@ffwll.ch>,
	"p.zabel@pengutronix.de" <p.zabel@pengutronix.de>,
	"airlied@gmail.com" <airlied@gmail.com>,
	"matthias.bgg@gmail.com" <matthias.bgg@gmail.com>,
	"angelogioacchino.delregno@collabora.com"
	<angelogioacchino.delregno@collabora.com>
Cc: "dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-mediatek@lists.infradead.org"
	<linux-mediatek@lists.infradead.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"Shuijing Li (李水静)" <Shuijing.Li@mediatek.com>
Subject: Re: [PATCH] drm/mediatek/dp: Add the HDCP feature for DisplayPort
Date: Thu, 4 Jan 2024 08:56:10 +0000	[thread overview]
Message-ID: <c224f40ef18f562678cd09d8ae586bc229bb1445.camel@mediatek.com> (raw)
In-Reply-To: <20231124085346.26602-1-mac.shen@mediatek.com>

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@mediatek.com>
> ---

[snip]

> +
> +enum ENUM_HDCP2_MSG_LIST {
> +	HDCP2_MSG_ZERO                            = 0,
> +	HDCP2_MSG_AKE_INIT                        = 1,
> +	HDCP2_MSG_AKE_SEND_CERT                   = 2,
> +	HDCP2_MSG_AKE_NO_STORED_KM                = 3,
> +	HDCP2_MSG_AKE_STORED_KM                   = 4,
> +	HDCP2_MSG_AKE_SEND_H_PRIME                = 5,
> +	HDCP2_MSG_AKE_SEND_PAIRING_INFO           = 6,
> +	HDCP2_MSG_LC_INIT                         = 7,

This looks like HDCP_2_2_LC_INIT in include/drm/drm_hdcp.h. If these
are defined in HDCP specification, move these definition to
include/drm/drm_hdcp.h

Regards,
CK

> +	HDCP2_MSG_LC_SEND_L_PRIME                 = 8,
> +	HDCP2_MSG_SKE_SEND_EKS                    = 9,
> +	HDCP2_MSG_REPAUTH_SEND_RECVID_LIST        = 10,
> +	HDCP2_MSG_REPAUTH_VERIFY_RECVID_LIST      = 11,
> +	HDCP2_MSG_REPAUTH_SEND_ACK                = 12,
> +	HDCP2_MSG_REPAUTH_STREAM_MANAGE           = 13,
> +	HDCP2_MSG_REPAUTH_STREAM_READY            = 14,
> +	HDCP2_MSG_AUTH_FAIL	                  = 15,
> +	HDCP2_MSG_AUTH_DONE	                  = 16,
> +};

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