[v7,00/17] drm/i915: Add support for HDCP 1.4 over MST
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Message ID 20200623155907.22961-1-sean@poorly.run
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  • drm/i915: Add support for HDCP 1.4 over MST
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Sean Paul June 23, 2020, 3:58 p.m. UTC
From: Sean Paul <seanpaul@chromium.org>

No functional changes, this set has the following changes since v6:
- rebased on drm-tip
- split "drm/i915: Clean up intel_hdcp_disable" out of "drm/i915: Don't
  fully disable HDCP on a port if multiple pipes are using it"
- remove hdcp2 dpmst stubs

Regarding "level of testing" questions, I've tested with multiple MST
hubs and displays. I don't have any compliance gear so all of this is
desk tested and works for me.

Sean

Sean Paul (17):
  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: Clean up intel_hdcp_disable
  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: Plumb port through hdcp init
  drm/i915: Add connector to hdcp_shim->check_link()
  drm/mst: Add support for QUERY_STREAM_ENCRYPTION_STATUS MST sideband
    message
  drm/i915: Print HDCP version info for all connectors
  drm/i915: Add HDCP 1.4 support for MST connectors

 drivers/gpu/drm/drm_dp_mst_topology.c         | 142 ++++
 drivers/gpu/drm/i915/Makefile                 |   1 +
 drivers/gpu/drm/i915/display/intel_ddi.c      |  29 +-
 drivers/gpu/drm/i915/display/intel_ddi.h      |   2 +
 .../drm/i915/display/intel_display_debugfs.c  |  21 +-
 .../drm/i915/display/intel_display_types.h    |  30 +-
 drivers/gpu/drm/i915/display/intel_dp.c       | 646 +---------------
 drivers/gpu/drm/i915/display/intel_dp.h       |   9 +
 drivers/gpu/drm/i915/display/intel_dp_hdcp.c  | 702 ++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_dp_mst.c   |  19 +
 drivers/gpu/drm/i915/display/intel_hdcp.c     | 218 ++++--
 drivers/gpu/drm/i915/display/intel_hdcp.h     |   2 +-
 drivers/gpu/drm/i915/display/intel_hdmi.c     |  25 +-
 .../drm/selftests/test-drm_dp_mst_helper.c    |  17 +
 include/drm/drm_dp_helper.h                   |   3 +
 include/drm/drm_dp_mst_helper.h               |  44 ++
 include/drm/drm_hdcp.h                        |   3 +
 17 files changed, 1191 insertions(+), 722 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/display/intel_dp_hdcp.c