Re: [PATCH v15 00/16] drm/i915: Implement HDCP2.2

From: "C, Ramalingam" <ramalingam.c@intel.com>
To: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	daniel.vetter@ffwll.ch, tomas.winkler@intel.com,
	uma.shankar@intel.com
Subject: Re: [PATCH v15 00/16] drm/i915: Implement HDCP2.2
Date: Sun, 24 Feb 2019 22:03:07 +0530	[thread overview]
Message-ID: <9625fb4e-6e88-43d0-18ba-f0e7048b60d0@intel.com> (raw)
In-Reply-To: <1550772730-23280-1-git-send-email-ramalingam.c@intel.com>

Tomas,

Could you please help to review and give final "Go" for the series?

Thanks
--Ram.

On 2/21/2019 11:41 PM, Ramalingam C wrote:
> This series enables the HDCP2.2 Type 0 for I915. The sequence for
> HDCP2.2 authentication and encryption is implemented as a generic flow
> between HDMI and DP. Encoder specific implementations are moved
> into hdcp_shim.
>
> Intel HWs supports HDCP2.2 through ME FW. Hence this series
> introduces a client driver for mei bus, so that for HDCP2.2
> authentication, HDCP2.2 stack in I915 can avail the services from
> ME FW. To enable this client driver set the config variable
> CONFIG_INTEL_MEI_HDCP.
>
> Userspace interface remains unchanged as version agnostic. When
> userspace request for HDCP enable, Kernel will detect the HDCP source
> and sink's HDCP version(1.4/2.2)capability and enable the best capable
> version for that combination.
>
> This series enables the HDCP2.2 for Type0 content streams.
>
> Test-with: <1549566452-30175-1-git-send-email-ramalingam.c@intel.com>
> So that CP will be tested on BAT machine too.
>
> Major changes in v15
>    - All I915 patches are merged. So dropping them.
>    - Few minor suggestions are incorporated at mei changes.
>
> To ease the review process, series is hosted at
> https://github.com/ramalingampc2008/drm-tip.git hdcp2_2_v15
>
> Ramalingam C (15):
>    misc/mei/hdcp: Client driver for HDCP application
>    misc/mei/hdcp: Define ME FW interface for HDCP2.2
>    misc/mei/hdcp: Initiate Wired HDCP2.2 Tx Session
>    misc/mei/hdcp: Verify Receiver Cert and prepare km
>    misc/mei/hdcp: Verify H_prime
>    misc/mei/hdcp: Store the HDCP Pairing info
>    misc/mei/hdcp: Initiate Locality check
>    misc/mei/hdcp: Verify L_prime
>    misc/mei/hdcp: Prepare Session Key
>    misc/mei/hdcp: Repeater topology verification and ack
>    misc/mei/hdcp: Verify M_prime
>    misc/mei/hdcp: Enabling the HDCP authentication
>    misc/mei/hdcp: Closing wired HDCP2.2 Tx Session
>    misc/mei/hdcp: Component framework for I915 Interface
>    FOR_TEST_ONLY: i915/Kconfig: Select mei_hdcp by I915
>
> Tomas Winkler (1):
>    mei: bus: whitelist hdcp client
>
>   drivers/misc/mei/Kconfig         |  11 +
>   drivers/misc/mei/Makefile        |   2 +
>   drivers/misc/mei/bus-fixup.c     |  16 +
>   drivers/misc/mei/hdcp/Makefile   |   7 +
>   drivers/misc/mei/hdcp/mei_hdcp.c | 849 +++++++++++++++++++++++++++++++++++++++
>   drivers/misc/mei/hdcp/mei_hdcp.h | 377 +++++++++++++++++
>   6 files changed, 1262 insertions(+)
>   create mode 100644 drivers/misc/mei/hdcp/Makefile
>   create mode 100644 drivers/misc/mei/hdcp/mei_hdcp.c
>   create mode 100644 drivers/misc/mei/hdcp/mei_hdcp.h
>

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