drm/i915: Prepare for obj->mm.lock removal, v2.

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Stolen objects need to lock, and we may call put_pages when
refcount drops to 0, ensure all calls are handled correctly.

Changes since v1:
- Rebase on top of upstream changes.

Idea-from: Thomas Hellström <thomas.hellstrom@intel.com>
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210323155059.628690-33-maarten.lankhorst@linux.intel.com

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Thomas Hellström 2021-03-23 16:50:21 +01:00 • committed by Daniel Vetter

parent 74827b539c

commit a3258dbd87

3 changed files with 33 additions and 7 deletions

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14

drivers/gpu/drm/i915/gem/i915_gem_object.h

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14

drivers/gpu/drm/i915/gem/i915_gem_pages.c

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12

drivers/gpu/drm/i915/gem/i915_gem_stolen.c

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