drm/i915/hdcp: Support for HDCP 2.2 MST shim callbacks

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Add support for HDCP 2.2 DP MST shim callback.
This adds existing DP HDCP shim callback for Link Authentication
and Encryption and HDCP 2.2 stream encryption
callback.

v2:
- Added a WARN_ON() instead of drm_err. [Uma]
- Cosmetic changes. [Uma]
v3:
- 's/port_data/hdcp_port_data' [Ram]
- skip redundant link check. [Ram]
v4:
- use pipe instead of port to access HDCP2_STREAM_STATUS

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/20210111081120.28417-18-anshuman.gupta@intel.com

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This commit is contained in:

Anshuman Gupta 2021-01-11 13:41:18 +05:30

parent d631b984cc

commit e9fd05c3e4

2 changed files with 85 additions and 8 deletions

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4

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

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89

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

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