Thomas Hellström 4cce1373c1 drm/ttm: Move pinned objects off LRU lists when pinning
The ttm_bo_pin() and ttm_bo_unpin() functions weren't moving their
resources off the LRU list to the unevictable list.

Make sure that happens so that pinned objects don't accidently linger
on the LRU lists, and also make sure to move them back once they
are unpinned.

v2:
- Removing from a bulk move must be done with the pin-count still zero.
v3:
- ttm_resource_move_to_lru_tail must be done after pinning with a non-
  NULL resource (Intel CI).
v6:
- Use a TAB instead of space (checkpatch.pl error).

Cc: Christian König <christian.koenig@amd.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <dri-devel@lists.freedesktop.org>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240911121859.85387-3-thomas.hellstrom@linux.intel.com
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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.
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