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Matthew Brost 045448da87 drm/xe: Add XE_BO_FLAG_PINNED_NORESTORE
Not all BOs need to be restored on resume / d3cold exit, add
XE_BO_FLAG_PINNED_NO_RESTORE which skips restoring of BOs rather just
allocates VRAM for the BO. This should slightly speedup resume / d3cold
exit flows.

Marking GuC ADS, GuC CT, GuC log, GuC PC, and SA as NORESTORE.

v2:
 - s/WONTNEED/NORESTORE (Vivi)
 - Rebase on newly added g2g and backup object flow

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Satyanarayana K V P <satyanarayana.k.v.p@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20250403102440.266113-11-matthew.auld@intel.com
History 2025-04-04 11:41:01 +01:00
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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 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.