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The compression overfetch tuning settings only apply to platforms that support FlatCCS. In Xe3p_XPC (and any future IPs that also lack compression) some of the registers being adjusted by this tuning will not exist or may have been repurposed for something else, so we should take care not to try to program them. Note that our xe_rtp_match_has_flatccs() function will also return false on platforms that do have FlatCCS in the hardware design, but have compression manually disabled in the BIOS. On such platforms the registers still exist (and it would be fine to continue programming them), but they would have no effect, so skipping that tuning is also safe. Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Shekhar Chauhan <shekhar.chauhan@intel.com> Link: https://lore.kernel.org/r/20251016-xe3p-v3-22-3dd173a3097a@intel.com Signed-off-by: Lucas De Marchi <lucas.demarchi@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.