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path: root/drivers/gpu/drm/amd/display/modules/hdcp/Makefile
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2019-11-19drm/amd/display: Add execution and transition states for HDCP2.2Bhawanpreet Lakha1-1/+2
The module works like a state machine +-------------+ ------> | Execution.c | ------ | +-------------+ | | V +----+ +--------+ +--------------+ | DM | -----> | Hdcp.c | <------------ | Transition.c | +----+ <----- +--------+ +--------------+ This patch adds the execution and transition files for 2.2 Signed-off-by: Bhawanpreet Lakha <[email protected]> Reviewed-by: Harry Wentland <[email protected]> Signed-off-by: Alex Deucher <[email protected]>
2019-10-03drm/amd/display: Add HDCP moduleBhawanpreet Lakha1-0/+32
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 <[email protected]> Signed-off-by: Wenjing Liu <[email protected]> Reviewed-by: Wenjing Liu <[email protected]> Acked-by: Harry Wentland <[email protected]> Signed-off-by: Alex Deucher <[email protected]>