Request to ME to verify the M_Prime received from the HDCP sink.
ME FW will calculate the M and compare with M_prime received
as part of RepeaterAuth_Stream_Ready, which is HDCP2.2 protocol msg.
On successful completion of this stage, downstream propagation of
the stream management info is completed.
v2: Rebased.
v3:
cldev is passed as first parameter [Tomas]
Redundant comments and cast are removed [Tomas]
v4:
%zd for ssize_t [Alexander]
%s/return -1/return -EIO [Alexander]
endianness conversion func is moved to drm_hdcp.h [Uma]
v5: Rebased.
v6:
Collected the Rb-ed by.
Rebasing.
v7:
Adjust to the new mei interface.
Fix for Kdoc.
v8:
K-Doc addition. [Tomas]
drm_hdcp2_u32_to_seq_num() is used for u32 to seq_num.
v9:
renamed func as mei_hdcp_* [Tomas]
Inline function is defined for DDI index [Tomas]
v10:
K-Doc fix. [Tomas]
v11:
%s/__swab16/cpu_to_be16 [Tomas]
Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1550772730-23280-13-git-send-email-ramalingam.c@intel.com