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Export the helper function to determine if FEC is required on a non-UHBR (8b10b) SST or MST link. A follow up change will take this into use for MST as well. While at it determine the output type from the CRTC state, which allows dropping the intel_dp argument. Also make the function return the required FEC state, instead of setting this in the CRTC state, which allows only querying this requirement, without changing the state. Also rename the function to intel_dp_needs_8b10b_fec(), to clarify that the function determines if FEC is required on an 8b10b link (on 128b132b links FEC is always enabled by the HW implicitly, so the function will return false for that case). Signed-off-by: Imre Deak <imre.deak@intel.com> Reviewed-by: Jouni Högander <jouni.hogander@intel.com> Link: https://lore.kernel.org/r/20251015161934.262108-4-imre.deak@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 reStructuredText 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.