[Intel-gfx] [PATCH v15 00/16] drm/i915: Implement HDCP2.2

Mon Feb 25 17:54:15 UTC 2019

On Mon, Feb 25, 2019 at 03:13:04PM +0000, Winkler, Tomas wrote:
> > On Mon, Feb 25, 2019 at 05:12:09AM +0000, C, Ramalingam wrote:
> > > Tomas,
> > >
> > > Lkp issue is complaining about the header
> > > drm/i915_mei_hdcp_interface.h, Which is already merged in drm-tip
> > > through below commit. So don’t think this is a genuine issue. May be
> > > this build was tried in different tree, where this commit is not added yet?
> > 
> > Yeah our topic trees aren't pushed into linux-next, 0day can't find them.
> > Usually it will then fail to apply (and in that case it doesn't complain), but it
> > does complain if everything applies but doesn't build.
> > -Daniel
> > 
> > >
> > > commit 1626eab70ebc61d015e69a4bc3479d9228539343
> > > Author: Ramalingam C <ramalingam.c at intel.com>
> > > Date:   Fri Feb 15 14:04:58 2019 +0530
> > >
> > >     drm/i915: header for i915 - MEI_HDCP interface
> > >
> > > v15 is now part of github.
> 
> I'm okay to go with this.

Ok, merged all the 15 patches into a topic branch. Assuming nothing goes
wrong I'll send a pull to Greg tomorrow. And then it's up to him to take
it for 5.1 or delay for 5.2.

Thanks a lot for patches&review.
-Daniel

> Thanks
> Tomas
> 
> > >
> > > Best Regards,
> > > Ramalingam C
> > >
> > >
> > > > -----Original Message-----
> > > > From: Winkler, Tomas
> > > > Sent: Monday, February 25, 2019 1:45 AM
> > > > To: C, Ramalingam <ramalingam.c at intel.com>;
> > > > intel-gfx at lists.freedesktop.org; dri-devel at lists.freedesktop.org;
> > > > daniel.vetter at ffwll.ch; Shankar, Uma <uma.shankar at intel.com>
> > > > Subject: RE: [PATCH v15 00/16] drm/i915: Implement HDCP2.2
> > > >
> > > > Have you fixed the lkp issue?
> > > > I didn't see you pushed the code to github.
> > > > Thanks
> > > >
> > > >
> > > > > -----Original Message-----
> > > > > From: C, Ramalingam
> > > > > Sent: Sunday, February 24, 2019 18:33
> > > > > To: intel-gfx at lists.freedesktop.org;
> > > > > dri-devel at lists.freedesktop.org; daniel.vetter at ffwll.ch; Winkler,
> > > > > Tomas <tomas.winkler at intel.com>; Shankar, Uma
> > > > > <uma.shankar at intel.com>
> > > > > Subject: Re: [PATCH v15 00/16] drm/i915: Implement HDCP2.2
> > > > >
> > > > > 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 at 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
> > > > > >
> > >
> > 
> > --
> > Daniel Vetter
> > Software Engineer, Intel Corporation
> > http://blog.ffwll.ch

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch