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There are cases, where devices have an HDMI1.4 retimer, and TMDS clock rate is capped to 340MHz via VBT. In such cases scrambling might be supported by the platform and an HDMI2.0 sink for lower TMDS rates, but not supported by the retimer, causing blankouts. So avoid enabling scrambling, if the TMDS clock is capped to <= 340MHz. v2: Added comment, documenting the rationale to check for TMDS clock, before going for scrambling. (Arun) v3: Fixed the function name to check if source supports scrambling. (Jani) Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Arun R Murthy <arun.r.murthy@intel.com> Signed-off-by: Uma Shankar <uma.shankar@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221222040851.3029514-1-ankit.k.nautiyal@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.