kernel.git/drivers/gpu/drm/amd/display/modules/hdcp, branch linux-5.5.y

drm/amd/display: fix spelling mistake AUTHENICATED -> AUTHENTICATED

2019-10-03T18:51:19Z

There is a spelling mistake in the macros H1_A45_AUTHENICATED and D1_A4_AUTHENICATED, fix these by adding the missing T. Reviewed-by: Harry Wentland Signed-off-by: Colin Ian King Signed-off-by: Alex Deucher

drm/amd/display: add PSP block to verify hdcp steps

2019-10-03T14:10:58Z

[Why] All the HDCP transactions should be verified using PSP. [How] This patch calls psp with the correct inputs to verify the steps of authentication. Signed-off-by: Bhawanpreet Lakha Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher

drm/amd/display: Add HDCP module

2019-10-03T14:10:58Z

This module manages HDCP for amdgpu driver. The module behaves as a state machine which handles the different authentication states of HDCP The module is divided into 3 major components +--------+ | Hdcp.c | +--------+ Manages the state machine, sends the events to be executed and communicates with the dm +-----------+ |Execution.c| +-----------+ This executes events based on the current state. Also generates execution results as transition inputs +------------+ |Transition.c| +------------+ Decides the next state based on the input and makes requests to hdcp.c to handle. +-------------+ ------> | Execution.c | ------ | +-------------+ | | V +----+ +--------+ +--------------+ | DM | -----> | Hdcp.c | <------------ | Transition.c | +----+ <----- +--------+ +--------------+ v2: Drop unused function definitions Signed-off-by: Bhawanpreet Lakha Signed-off-by: Wenjing Liu Reviewed-by: Wenjing Liu Acked-by: Harry Wentland Signed-off-by: Alex Deucher