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85d8ec20db
Report port presence based on port presence in VBT alone, relaxing the requirements on supported encoders (DP, DVI, or HDMI). The goal is to make future changes easier, however there is a small risk of reporting more ports present than before in case of dubious VBT. Regarding the current callers of intel_bios_is_port_present(), the potential issue might be caused by DVO_PORT_CRT being identified as port E in dvo_port_to_port(). Hopefully no VBT has that on SKL+ which support DP/DVI/HDMI on port E; the current CRT init code on HSW/BDW does not care. Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/4338a29e4ed49e69f859dff1490fd85f6ae6177e.1579270868.git.jani.nikula@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.