]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
drm/i915/hdcp: DP MST transcoder for link and stream
authorAnshuman Gupta <anshuman.gupta@intel.com>
Mon, 11 Jan 2021 08:11:06 +0000 (13:41 +0530)
committerAnshuman Gupta <anshuman.gupta@intel.com>
Wed, 13 Jan 2021 02:59:31 +0000 (08:29 +0530)
commitfc6097d4fb2988f12954993be70b882a345a35e5
tree2106021a8a9f64cb4a2f39fa9c03f78e6b6339dd
parent6c63e6e14da7f55114d7e9077e89dc9ab8adeebb
drm/i915/hdcp: DP MST transcoder for link and stream

Gen12 has H/W delta with respect to HDCP{1.x,2.x} display engine
instances lies in Transcoder instead of DDI as in Gen11.

This requires hdcp driver to use mst_master_transcoder for link
authentication and stream transcoder for stream encryption
separately.

This will be used for both HDCP 1.4 and HDCP 2.2 over DP MST
on Gen12.

Cc: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Tested-by: Karthik B S <karthik.b.s@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210111081120.28417-6-anshuman.gupta@intel.com
drivers/gpu/drm/i915/display/intel_ddi.c
drivers/gpu/drm/i915/display/intel_display_types.h
drivers/gpu/drm/i915/display/intel_dp_mst.c
drivers/gpu/drm/i915/display/intel_hdcp.c
drivers/gpu/drm/i915/display/intel_hdcp.h