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98f974aa3c
Account for the framestart delay when calculating the "pipeline full" value for icl/tgl vrr. This puts the start of vblank (ie. where the double bufferd registers get latched) to a consistent place regardless of what framestart delay value is used. framestart delay does not change where start of vblank occurs in non-vrr mode and I can't see any reason why we'd want different behaviour in vrr mode. Currently framestart delay is always set to 1, and the hardcoded 4 scanlines in the code means we're currently delaying the start of vblank by three extra lines. And with framestart delay set to 4 we'd have no extra delay. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221202134412.21943-2-ville.syrjala@linux.intel.com Reviewed-by: Manasi Navare <manasi.d.navare@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.