drm/i915/hdcp: DP MST transcoder for link and stream

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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

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This commit is contained in:

Anshuman Gupta 2021-01-11 13:41:06 +05:30

parent 6c63e6e14d

commit fc6097d4fb

5 changed files with 16 additions and 7 deletions

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2

drivers/gpu/drm/i915/display/intel_ddi.c

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2

drivers/gpu/drm/i915/display/intel_display_types.h

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2

drivers/gpu/drm/i915/display/intel_dp_mst.c

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15

drivers/gpu/drm/i915/display/intel_hdcp.c

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2

drivers/gpu/drm/i915/display/intel_hdcp.h

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