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1fa0140956
Now that all the groundwork has been laid, we can turn on HDCP 1.4 over MST. Everything except for toggling the HDCP signalling and HDCP 2.2 support is the same as the DP case, so we'll re-use those callbacks Cc: Juston Li <juston.li@intel.com> Reviewed-by: Anshuman Gupta <anshuman.gupta@intel.com> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191203173638.94919-12-sean@poorly.run #v1 Link: https://patchwork.freedesktop.org/patch/msgid/20191212190230.188505-13-sean@poorly.run #v2 Link: https://patchwork.freedesktop.org/patch/msgid/20200117193103.156821-13-sean@poorly.run #v3 Link: https://patchwork.freedesktop.org/patch/msgid/20200218220242.107265-15-sean@poorly.run #v4 Link: https://patchwork.freedesktop.org/patch/msgid/20200305201236.152307-17-sean@poorly.run #v5 Link: https://patchwork.freedesktop.org/patch/msgid/20200429195502.39919-17-sean@poorly.run #v6 Link: https://patchwork.freedesktop.org/patch/msgid/20200623155907.22961-18-sean@poorly.run #v7 Changes in v2: -Toggle HDCP from encoder disable/enable -Don't disable HDCP on MST connector destroy, leave that for encoder disable, just ensure the check_work routine isn't running any longer Changes in v3: -Place the shim in the new intel_dp_hdcp.c file (Ville) Changes in v4: -Actually use the mst shim for mst connections (Juston) -Use QUERY_STREAM_ENC_STATUS MST message to verify channel is encrypted Changes in v5: -Add sleep on disable signalling to match hdmi delay Changes in v6: -Disable HDCP over MST on GEN12+ since I'm unsure how it should work and I don't have hardware to test it Changes in v7: -Remove hdcp2 shims for MST in favor of skipping hdcp2 init (Ramalingam) Changes in v8: -None Signed-off-by: Ramalingam C <ramalingam.c@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200818153910.27894-18-sean@poorly.run |
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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.