Chris Wilson 5e96350857 drm/i915: Use cmpxchg64 for 32b compatilibity ...

By using the double wide cmpxchg64 on 32bit, we can use the same
algorithm on both 32/64b systems.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201211110310.22740-1-chris@chris-wilson.co.uk

2020-12-23 10:07:41 +00:00

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