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2a041c97c3
Add a fallback detection method for TypeC legacy ports in case the VBT port information used to detect normally such ports is incorrect. For the fallback method we use the TypeC legacy mode specific HPD interrupt flag which should only be raised for a legacy port. WARN if the VBT port info is incorrect. In a case where we'd detect the port in a contradicting way both as a legacy and also as a USB DP and/or TBT alternate port treat the port as legacy (by also emitting a WARN from icl_update_tc_port_type). v2: - Repurpose the detection as a fallback method instead of using it only for the DP legacy case. By now we should normally use VBT to detect DP legacy ports as well. Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: José Roberto de Souza <jose.souza@intel.com> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> (v1) Reviewed-by: Mika Kahola <mika.kahola@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181214182703.18865-5-imre.deak@intel.com |
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| include | ||
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| ipc | ||
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| lib | ||
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| .clang-format | ||
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| README | ||
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.