Michal Wajdeczko f15de1936f drm/xe: Add XE_BO_NEEDS_UC flag to force UC mode instead WB
When we map BO in GGTT, then by default we are using PAT index
that corresponds to XE_CACHE_WB but ppcoming feature will require
use of the PAT index of the XE_CACHE_UC.  Define new BO flag that
could be used during BO creation to force alternate caching.

Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://lore.kernel.org/r/20231214185955.1791-7-michal.wajdeczko@intel.com
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
2023-12-21 16:31:29 -05:00
2023-12-21 11:47:37 -05:00

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.
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