1 .. SPDX-License-Identifier: GPL-2.0 2 3 HDCP: 4 ===== 5 6 ME FW as a security engine provides the capability for setting up 7 HDCP2.2 protocol negotiation between the Intel graphics device and 8 an HDC2.2 sink. 9 10 ME FW prepares HDCP2.2 negotiation parameters, signs and encrypts them 11 according the HDCP 2.2 spec. The Intel graphics sends the created blob 12 to the HDCP2.2 sink. 13 14 Similarly, the HDCP2.2 sink's response is transferred to ME FW 15 for decryption and verification. 16 17 Once all the steps of HDCP2.2 negotiation are completed, 18 upon request ME FW will configure the port as authenticated and supply 19 the HDCP encryption keys to Intel graphics hardware. 20 21 22 mei_hdcp driver 23 --------------- 24 .. kernel-doc:: drivers/misc/mei/hdcp/mei_hdcp.c 25 :doc: MEI_HDCP Client Driver 26 27 mei_hdcp api 28 ------------ 29 30 .. kernel-doc:: drivers/misc/mei/hdcp/mei_hdcp.c 31 :functions: 32
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