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drm/i915: MEI interface implementation

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Defining the mei-i915 interface functions and initialization of
the interface.

v2:
  Adjust to the new interface changes. [Tomas]
  Added further debug logs for the failures at MEI i/f.
  port in hdcp_port data is equipped to handle -ve values.
v3:
  mei comp is matched for global i915 comp master. [Daniel]
  In hdcp_shim hdcp_protocol() is replaced with const variable. [Daniel]
  mei wrappers are adjusted as per the i/f change [Daniel]
v4:
  port initialization is done only at hdcp2_init only [Danvet]
v5:
  I915 registers a subcomponent to be matched with mei_hdcp [Daniel]
v6:
  HDCP_disable for all connectors incase of comp_unbind.
  Tear down HDCP comp interface at i915_unload [Daniel]
v7:
  Component init and fini are moved out of connector ops [Daniel]
  hdcp_disable is not called from unbind. [Daniel]
v8:
  subcomponent name is dropped as it is already merged.

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> [v11]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1550338640-17470-5-git-send-email-ramalingam.c@intel.com
This commit is contained in:
Ramalingam C 2019-02-16 23:06:51 +05:30 • committed by Daniel Vetter
commit 9055aac765
6 changed files with 419 additions and 1 deletions
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