From: Sean Paul seanpaul@chromium.org
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