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6239901c57
We can simplify our gtt walking code by comparing against NULL for scratch entries as opposed to looking up the distinct per-level scratch pointer. The only caveat is to remember to protect external parties and map the NULL to the scratch top pd. 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/20190712094327.24437-6-chris@chris-wilson.co.uk |
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