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[Why] When the flip-rate is below the minimum supported variable refresh rate range for the monitor the front porch wait will timeout and be frequently misaligned resulting in stuttering and/or flickering. The FreeSync module can still maintain a smooth and flicker free image when the monitor has a refresh rate range such that the maximum refresh > 2 * minimum refresh by utilizing low framerate compensation, "below the range". [How] Hook up the pre-flip and post-flip handlers from the FreeSync module. These adjust the minimum/maximum vrr range to duplicate frames when appropriate by tracking flip timestamps. Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Reviewed-by: Harry Wentland <harry.wentland@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.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.