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04707f9716
Add the HDCP2.2 initialization to the existing HDCP1.4 stack. v2: mei interface handle is protected with mutex. [Chris Wilson] v3: Notifiers are used for the mei interface state. v4: Poll for mei client device state Error msg for out of mem [Uma] Inline req for init function removed [Uma] v5: Rebase as Part of reordering. Component is used for the I915 and MEI_HDCP interface [Daniel] v6: HDCP2.2 uses the I915 component master to communicate with mei_hdcp - [Daniel] Required HDCP2.2 variables defined [Sean Paul] v7: intel_hdcp2.2_init returns void [Uma] Realigning the codes. v8: Avoid using bool structure members. MEI interface related changes are moved into separate patch. Commit msg is updated accordingly. intel_hdcp_exit is defined and used from i915_unload v9: Movement of the hdcp_check_link is moved to new patch [Daniel] intel_hdcp2_exit is removed as mei_comp will be unbind in i915_unload. v10: bool is used in struct to make coding simpler. [Daniel] hdmi hdcp init is placed correctly after encoder attachment. v11: hdcp2_capability check is moved into hdcp.c [Tomas] Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Uma Shankar <uma.shankar@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/1550338640-17470-4-git-send-email-ramalingam.c@intel.com
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.