[Intel-gfx] [RFC PATCH 0/6] drm/i915: Implement HDCP

[Sean Paul]

Here's the RFC for my i915 HDCP patchset. The UABI is based on what we've been
using in Chrome for the past 3 years. I posted the property to the list back
then, but never had a mainline driver to implement it. I do now :-)

Things are mostly in place, danvet gave me some feedback that I will
incorporate in v1. However, in the interest of gaining more early feedback, I'm
posting this now.

TODO:
- Add kerneldoc for property
- Fix '//' comments
- Change to MIT license
- Rebase on Ville's gmbus fixes (thanks Ville)
- Improve documentation on drm_intel_hdcp_shim
- Fix async commit locking (ie: don't use connection_mutex)
- Don't change connector->state in enable, defer to worker
- Add igt coverage for the feature.

Thanks!

Sean


Sean Paul (6):
  drm: Add Content Protection property
  drm: Add some HDCP related #defines
  drm/i915: Add HDCP framework + base implementation
  drm/i915: Add function to output Aksv over GMBUS
  drm/i915: Implement HDCP for HDMI
  drm/i915: Implement HDCP for DisplayPort

 drivers/gpu/drm/drm_atomic.c        |   8 +
 drivers/gpu/drm/drm_connector.c     |  43 +++
 drivers/gpu/drm/drm_sysfs.c         |  29 ++
 drivers/gpu/drm/i915/Makefile       |   1 +
 drivers/gpu/drm/i915/i915_drv.h     |   1 +
 drivers/gpu/drm/i915/i915_reg.h     |  85 +++++
 drivers/gpu/drm/i915/intel_atomic.c |  26 +-
 drivers/gpu/drm/i915/intel_ddi.c    |  64 ++++
 drivers/gpu/drm/i915/intel_dp.c     | 243 +++++++++++++-
 drivers/gpu/drm/i915/intel_drv.h    |  53 +++
 drivers/gpu/drm/i915/intel_hdcp.c   | 636 ++++++++++++++++++++++++++++++++++++
 drivers/gpu/drm/i915/intel_hdmi.c   | 253 ++++++++++++++
 drivers/gpu/drm/i915/intel_i2c.c    |  54 ++-
 include/drm/drm_connector.h         |  16 +
 include/drm/drm_dp_helper.h         |  17 +
 include/drm/drm_hdcp.h              |  44 +++
 include/uapi/drm/drm_mode.h         |   4 +
 17 files changed, 1560 insertions(+), 17 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/intel_hdcp.c
 create mode 100644 include/drm/drm_hdcp.h

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2.15.0.531.g2ccb3012c9-goog