Quoting Matthew Auld (2020-12-24 15:13:57)
> The shadow batch is an internal object, which doesn't have any page
> clearing, and since the batch_len can be smaller than the object, we
> should take care to clear it.
>
> Testcase: igt/gen9_exec_parse/shadow-peek
> Fixes: 4f7af1948abc ("drm/i915: Support ro ppgtt mapped cmdparser shadow buffers")
> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx>
Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
-Chris
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