Re: [PATCH v6 00/16] drm/i915: Add support for HDCP 1.4 over MST connectors

From: Ramalingam C <ramalingam.c@intel.com>
To: Sean Paul <sean@poorly.run>
Cc: dri-devel@lists.freedesktop.org, daniel.vetter@ffwll.ch,
	intel-gfx@lists.freedesktop.org, seanpaul@chromium.org,
	juston.li@intel.com, rodrigo.vivi@intel.com
Subject: Re: [PATCH v6 00/16] drm/i915: Add support for HDCP 1.4 over MST connectors
Date: Fri, 15 May 2020 20:18:12 +0530	[thread overview]
Message-ID: <20200515144812.GB11877@intel.com> (raw)
In-Reply-To: <20200429195502.39919-1-sean@poorly.run>

On 2020-04-29 at 15:54:46 -0400, Sean Paul wrote:
> From: Sean Paul <seanpaul@chromium.org>
> 
> Changes in v6:
> -Rebased on -tip
> -Disabled HDCP over MST on GEN12
> -Addressed Lyude's review comments in the QUERY_STREAM_ENCRYPTION_STATUS patch

Sean,

What is the test setup you have used?

I am afraid our CI dont have the coverage for MST capability yet to provide
the functional status of the code.

-Ram.
> 
> Sean Paul (16):
>   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: 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       | 654 +--------------
>  drivers/gpu/drm/i915/display/intel_dp.h       |   9 +
>  drivers/gpu/drm/i915/display/intel_dp_hdcp.c  | 743 ++++++++++++++++++
>  drivers/gpu/drm/i915/display/intel_dp_mst.c   |  19 +
>  drivers/gpu/drm/i915/display/intel_hdcp.c     | 217 +++--
>  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, 1235 insertions(+), 726 deletions(-)
>  create mode 100644 drivers/gpu/drm/i915/display/intel_dp_hdcp.c
> 
> -- 
> Sean Paul, Software Engineer, Google / Chromium OS
> 
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