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Replace multi-line SPDX license headers with single-line
equivalents (// SPDX-License-Identifier: MIT or /* ... */ for
headers), as preferred by current kernel coding style.
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Nitin Gote <nitin.r.gote@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Mikołaj Wasiak <mikolaj.wasiak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250327232629.2939-1-andi.shyti@linux.intel.com
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Just evict unpinned objects to system. For pinned LMEM objects,
make a backup system object and blit the contents to that.
Backup is performed in three steps,
1: Opportunistically evict evictable objects using the gpu blitter.
2: After gt idle, evict evictable objects using the gpu blitter. This will
be modified in an upcoming patch to backup pinned objects that are not used
by the blitter itself.
3: Backup remaining pinned objects using memcpy.
Also move uC suspend to after 2) to make sure we have a functional GuC
during 2) if using GuC submission.
v2:
- Major refactor to make sure gem_exec_suspend@hang-SX subtests work, and
suspend / resume works with a slightly modified GuC submission enabling
patch series.
v3:
- Fix a potential use-after-free (Matthew Auld)
- Use i915_gem_object_create_shmem() instead of
i915_gem_object_create_region (Matthew Auld)
- Minor simplifications (Matthew Auld)
- Fix up kerneldoc for i195_ttm_restore_region().
- Final lmem_suspend() call moved to i915_gem_backup_suspend from
i915_gem_suspend_late, since the latter gets called at driver unload
and we don't unnecessarily want to run it at that time.
v4:
- Interface change of ttm- & lmem suspend / resume functions to use
flags rather than bools. (Matthew Auld)
- Completely drop the i915_gem_backup_suspend change (Matthew Auld)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210922062527.865433-5-thomas.hellstrom@linux.intel.com
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Push the hibernate pm routines next to the suspend pm routines in
gem/i915_gem_pm.c. This has the side-effect of putting the wbinvd()
abusers next to each other.
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 30d2bfd09383 ("drm/i915/gem: Almagamate clflushes on freeze")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210123145543.10533-1-chris@chris-wilson.co.uk
(cherry picked from commit 6d8f02207420e76db693a00ccb44792474e297fc)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Again we wish to operate on the engines, which are owned by the
intel_gt. As such it is easier, and much more consistent, to pass the
intel_gt parameter.
v2: Unexport i915_gem_load_power_context()
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191022141935.15733-1-chris@chris-wilson.co.uk
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With the last user, i915_vma_parked(), retired, there are no more users
of the per-gt pm notifications and we can remove the unused
infrastructure.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191021183236.21790-2-chris@chris-wilson.co.uk
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Continuing the theme of separating out the GEM clutter.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190528092956.14910-8-chris@chris-wilson.co.uk
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