[PATCH v4 00/14] drm/i915: Add support for HDCP 1.4 over MST connectors

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From: Sean Paul <seanpaul@xxxxxxxxxxxx>

Hey all,
Back with a v4. Rebased on latest drm-tip.

Biggest change was adding the QUERY_STREAM_ENCRYPTION_STATUS check which
ensures not only the link to the first branch is encrypted, but also
that the channel iteself is also protected.

Sean


Sean Paul (14):
  drm/i915: Fix sha_text population code
  drm/i915: Clear the repeater bit on HDCP disable
  drm/i915: WARN if HDCP signalling is enabled upon disable
  drm/i915: Intercept Aksv writes in the aux hooks
  drm/i915: Use the cpu_transcoder in intel_hdcp to toggle HDCP
    signalling
  drm/i915: Factor out hdcp->value assignments
  drm/i915: Protect workers against disappearing connectors
  drm/i915: Don't fully disable HDCP on a port if multiple pipes are
    using it
  drm/i915: Support DP MST in enc_to_dig_port() function
  drm/i915: Use ddi_update_pipe in intel_dp_mst
  drm/i915: Factor out HDCP shim functions from dp for use by dp_mst
  drm/i915: Add connector to hdcp_shim->check_link()
  drm/mst: Add support for QUERY_STREAM_ENCRYPTION_STATUS MST sideband
    message
  drm/i915: Add HDCP 1.4 support for MST connectors

 drivers/gpu/drm/drm_dp_mst_topology.c         | 117 +++
 drivers/gpu/drm/i915/Makefile                 |   1 +
 drivers/gpu/drm/i915/display/intel_ddi.c      |  26 +-
 drivers/gpu/drm/i915/display/intel_ddi.h      |   2 +
 .../drm/i915/display/intel_display_types.h    |  30 +-
 drivers/gpu/drm/i915/display/intel_dp.c       | 620 +--------------
 drivers/gpu/drm/i915/display/intel_dp.h       |   7 +
 drivers/gpu/drm/i915/display/intel_dp_hdcp.c  | 705 ++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_dp_mst.c   |  15 +
 drivers/gpu/drm/i915/display/intel_hdcp.c     | 199 +++--
 drivers/gpu/drm/i915/display/intel_hdmi.c     |  23 +-
 include/drm/drm_dp_helper.h                   |   3 +
 include/drm/drm_dp_mst_helper.h               |  44 ++
 include/drm/drm_hdcp.h                        |   3 +
 14 files changed, 1127 insertions(+), 668 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/display/intel_dp_hdcp.c

-- 
Sean Paul, Software Engineer, Google / Chromium OS

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