Matthew Auld 3821cc7fc0 drm/i915: document caching related bits
Try to document the object caching related bits, like cache_coherent and
cache_dirty.

v2(Ville):
 - As pointed out by Ville, fix the completely incorrect assumptions
   about the "partial" coherency on shared LLC platforms.
v3(Daniel):
 - Fix nonsense about "dirtying" the cache with reads.
v4(Daniel):
 - Various improvements, including adding some more details for WT.

Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210723105045.400841-1-matthew.auld@intel.com
2021-07-27 09:16:44 +01:00
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2021-07-11 15:07:40 -07:00
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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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