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Various gamma units on various platforms have some problems loading the LUT index and auto-increment bit at the same time. We have to do this in two steps. The first known case was the glk degamma LUT, but at least ADL has another known case. We're not going to suffer too badly from a couple of extra register writes here, so let's just standardize on this practice for all auto-increment LUT loads/reads. This way we never have to worry about this specific issue again. And for good measure always reset the index back to zero at the end (we already did this in a few places). Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20221123152638.20622-6-ville.syrjala@linux.intel.com Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Reviewed-by: Uma Shankar <uma.shankar@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.