drm/mm: Fix caching of leftmost node in the interval tree

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When we descend the tree to find our slot, if we step to the right, we
are no longer the leftmost node.

Fixes: f808c13fd3 ("lib/interval_tree: fast overlap detection")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: Jérôme Glisse <jglisse@redhat.com>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Acked-by: Christian König <christian.koenig@amd.com> for now.
Link: https://patchwork.freedesktop.org/patch/msgid/20180220093738.1461-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2018-02-20 09:37:38 +00:00

parent 2b91e3c43b

commit 8a1949455a

1 changed files with 5 additions and 4 deletions

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drivers/gpu/drm/drm_mm.c

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