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

[CK Hu (胡俊光)]

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@xxxxxxxxxxxx>
> ---

[snip]

> +
> +struct hdcp2_info_rx {
> +	u8 cert[HDCP2_CERTRX_SIZE];
> +	u8 rrx[HDCP2_RRX_SIZE];
> +	u8 rx_caps[HDCP2_RXCAPS_SIZE];
> +	u8 rx_info[HDCP2_RXINFO_SIZE];
> +	u8 ekh_km[HDCP2_EKHKM_SIZE];
> +	u8 v_prime[HDCP2_VPRIME_SIZE];
> +	u8 m_prime[HDCP2_REP_MPRIME_SIZE];
> +	u8 h_prime[HDCP2_HPRIME_SIZE];
> +	u8 l_prime[HDCP2_LPRIME_SIZE];

This is defined in include/drm/display/drm_hdcp.h as struct
hdcp2_lc_send_lprime{}, so I think you could reuse it. Ditto for all
others in hdcp2_info_rx{}.

Regards,
CK

> +	u8 recv_id_list[HDCP2_MAX_DEVICE_COUNT * HDCP2_RECVID_SIZE];
> +	u8 seq_num_v[HDCP2_SEQ_NUM_V_SIZE];
> +};
> +