Re: [PATCH v6 00/10] HDCP2.2 Phase II

[Ramalingam C <ramalingam.c@intel.com>]

On 2019-05-02 at 18:52:53 +0530, Ramalingam C wrote:
> This series adds the content type capability for HDCP through a
> drm connetor proeprty "HDCP Content Type". By default this property will
> be "Type 0". And this property is exposed by the drivers which has the
> HDCP2.2 capability to enable the userspace to configure for "Type 1".
> 
> HDCP Content Type:
> 	This property is used to indicate the content type
> classification of a stream. Which indicate the HDCP version required
> for the rendering of that streams. This conten type is one of the
> parameter in the HDCP2.2 authentication flow, as even downstream
> repeaters will mandate the HDCP version requirement.
> 
> Two values possible for content type of a stream:
> 	Type 0: Stream can be rendered only on HDCP encrypted link no
> 		restriction on HDCP versions.
> 	Type 1: Stream can be rendered only on HDCP2.2 encrypted link.
> 
> And also this series adds a uevent for a change in the property state
> change of a connector. This helps the userspace to monitor the uevent
> for a proeprty state change than the trivial polling.
> 
> Userspace consumer for above "HDCP Content Type" property and uevent is
> almost at the last phase of review at #wayland community. So Patches 6,
> 7, 8, 9 and 10 can be merged only when patches in #wayland community
> receives the ACK.
> 
> HDCP SRM is implemented through request_firmware() interface. Hence
> userspace is expected to write the signature validated latest available
> SRM table into /lib/firmware/ as "display_hdcp_srm.bin". On every HDCP
> authentication kernel will read the SRM from above mentioned file and
> do the revocation check.
> 
> And also this series gathers all HDCP related DRM code into drm_hdcp.c
> 
> Thanks Daniel Vetter for all the reviews.
Daniel,

Could you please review
https://patchwork.freedesktop.org/patch/303048/?series=57232&rev=8

And for all other patches I have imcorporated all your suggestions and
added your Rbed-by. Please have a look.

Thanks and Regards,
-Ram
> 
> Series can be cloned from github
> https://github.com/ramalingampc2008/drm-tip.git hdcp2_2_p2_v6
> 
> Test-with: <20190502131625.27551-2-ramalingam.c@intel.com>
> 
> Ramalingam C (10):
>   drm: move content protection property to mode_config
>   drm/i915: debugfs: HDCP2.2 capability read
>   drm: revocation check at drm subsystem
>   drm/i915: SRM revocation check for HDCP1.4 and 2.2
>   drm/hdcp: gathering hdcp related code into drm_hdcp.c
>   drm: Add Content protection type property
>   drm/i915: Attach content type property
>   drm: uevent for connector status change
>   drm/hdcp: update content protection property with uevent
>   drm/i915: update the hdcp state with uevent
> 
>  Documentation/gpu/drm-kms-helpers.rst |   6 +
>  drivers/gpu/drm/Makefile              |   2 +-
>  drivers/gpu/drm/drm_atomic_uapi.c     |   8 +-
>  drivers/gpu/drm/drm_connector.c       |  61 +---
>  drivers/gpu/drm/drm_hdcp.c            | 455 ++++++++++++++++++++++++++
>  drivers/gpu/drm/drm_internal.h        |   4 +
>  drivers/gpu/drm/drm_sysfs.c           |  37 +++
>  drivers/gpu/drm/i915/i915_debugfs.c   |  13 +-
>  drivers/gpu/drm/i915/intel_ddi.c      |  37 ++-
>  drivers/gpu/drm/i915/intel_hdcp.c     | 100 ++++--
>  drivers/gpu/drm/i915/intel_hdcp.h     |   3 +-
>  include/drm/drm_connector.h           |  15 +-
>  include/drm/drm_hdcp.h                |  29 ++
>  include/drm/drm_mode_config.h         |  12 +
>  include/drm/drm_sysfs.h               |   5 +-
>  include/uapi/drm/drm_mode.h           |   4 +
>  16 files changed, 699 insertions(+), 92 deletions(-)
>  create mode 100644 drivers/gpu/drm/drm_hdcp.c
> 
> -- 
> 2.19.1
> 
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