[Intel-gfx] [PATCH v7 00/39] drm/i915: Implement HDCP2.2

[Ramalingam C]

This series enables the HDCP2.2 for I915. The sequence for HDCP2.2
authentication and encryption is implemented as a generic flow
between HDMI and DP. Encoder specific implementations are moved
into hdcp_shim.

Intel HWs supports HDCP2.2 through ME FW. Hence this series
introduces a client driver for mei bus, so that for HDCP2.2
authentication, HDCP2.2 stack in I915 can avail the services from
ME FW. To enable this client driver set the config variable
CONFIG_INTEL_MEI_HDCP.

Userspace interface remains unchanged as version agnostic. When
userspace request for HDCP enable, Kernel will detect the HDCP source
and sink's HDCP version(1.4/2.2)capability and enable the best capable
version for that combination.

This series enables the HDCP2.2 for Type0 content streams.

Major Changes in v7:
  - I915 driver unregister is added to master unbind [Daniel].
  - Proposes commiting the content protection req without modeset
  - Fixed a regression on DP HDCP2.2. [Ankit]
  - Patch for enabling the  MEI_HDCP is added for Testing only. [Daniel]
  - mei patch series is realigned for bisecting.
  - Review comments are addressed.
  - Fixed KBL HDCP2.2 encrypt status signalling.

For review convenience v7 of complete series is hosted at
	https://github.com/ramalingampc2008/drm-tip.git hdcp2_2_v7

Ramalingam C (37):
  drm: hdcp2.2 authentication msg definitions
  drm: HDMI and DP specific HDCP2.2 defines
  linux/mei: Header for mei_hdcp driver interface
  drm/i915: wrapping all hdcp var into intel_hdcp
  drm/i915: Define Intel HDCP2.2 registers
  component: alloc component_match without any comp to match
  drm/i915: component master at i915 driver load
  drm/i915: Initialize HDCP2.2 and its MEI interface
  drm/i915: Pullout the bksv read and validation
  drm/i915: Enable and Disable of HDCP2.2
  drm/i915: Implement HDCP2.2 receiver authentication
  drm/i915: Implement HDCP2.2 repeater authentication
  drm/i915: Implement HDCP2.2 link integrity check
  drm/i915: Handle HDCP2.2 downstream topology change
  drm/i915: hdcp_check_link only on CP_IRQ
  drm/i915: Check HDCP 1.4 and 2.2 link on CP_IRQ
  drm/i915: Implement the HDCP2.2 support for DP
  drm/i915: Implement the HDCP2.2 support for HDMI
  drm/i915: Add HDCP2.2 support for DP connectors
  drm/i915: Add HDCP2.2 support for HDMI connectors
  misc/mei/hdcp: Client driver for HDCP application
  misc/mei/hdcp: Define ME FW interface for HDCP2.2
  misc/mei/hdcp: Initiate Wired HDCP2.2 Tx Session
  misc/mei/hdcp: Verify Receiver Cert and prepare km
  misc/mei/hdcp: Verify H_prime
  misc/mei/hdcp: Store the HDCP Pairing info
  misc/mei/hdcp: Initiate Locality check
  misc/mei/hdcp: Verify L_prime
  misc/mei/hdcp: Prepare Session Key
  misc/mei/hdcp: Repeater topology verification and ack
  misc/mei/hdcp: Verify M_prime
  misc/mei/hdcp: Enabling the HDCP authentication
  misc/mei/hdcp: Closing wired HDCP2.2 Tx Session
  misc/mei/hdcp: Component framework for I915 Interface
  drm/i915: Commit CP without modeset
  drm/i915: Fix KBL HDCP2.2 encrypt status signalling
  FOR_TEST: misc/Kconfig: Enabling mei_hdcp by default

Tomas Winkler (2):
  mei: bus: whitelist hdcp client
  mei: bus: export to_mei_cl_device for mei client device drivers

 drivers/base/component.c             |   30 +
 drivers/gpu/drm/i915/i915_drv.c      |   84 ++-
 drivers/gpu/drm/i915/i915_drv.h      |    3 +
 drivers/gpu/drm/i915/i915_reg.h      |   32 +
 drivers/gpu/drm/i915/intel_ddi.c     |    7 -
 drivers/gpu/drm/i915/intel_display.c |   18 +-
 drivers/gpu/drm/i915/intel_dp.c      |  350 ++++++++-
 drivers/gpu/drm/i915/intel_drv.h     |   97 ++-
 drivers/gpu/drm/i915/intel_hdcp.c    | 1295 ++++++++++++++++++++++++++++++----
 drivers/gpu/drm/i915/intel_hdmi.c    |  193 ++++-
 drivers/misc/mei/Kconfig             |    8 +
 drivers/misc/mei/Makefile            |    2 +
 drivers/misc/mei/bus-fixup.c         |   16 +
 drivers/misc/mei/bus.c               |    1 -
 drivers/misc/mei/hdcp/Makefile       |    7 +
 drivers/misc/mei/hdcp/mei_hdcp.c     |  829 ++++++++++++++++++++++
 drivers/misc/mei/hdcp/mei_hdcp.h     |  366 ++++++++++
 include/drm/drm_dp_helper.h          |   51 ++
 include/drm/drm_hdcp.h               |  235 ++++++
 include/drm/i915_component.h         |   76 ++
 include/linux/component.h            |    2 +
 include/linux/mei_cl_bus.h           |    2 +
 include/linux/mei_hdcp.h             |   76 ++
 23 files changed, 3601 insertions(+), 179 deletions(-)
 create mode 100644 drivers/misc/mei/hdcp/Makefile
 create mode 100644 drivers/misc/mei/hdcp/mei_hdcp.c
 create mode 100644 drivers/misc/mei/hdcp/mei_hdcp.h
 create mode 100644 include/linux/mei_hdcp.h

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2.7.4