[Intel-gfx] [PATCH v6 00/10] HDCP2.2 Phase II
Ramalingam C
ramalingam.c at intel.com
Thu May 2 13:37:59 UTC 2019
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 at 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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