[Intel-gfx] [PATCH v3 2/2] drm/i915: clear the gpu reloc batch

[Chris Wilson]

Quoting Matthew Auld (2020-12-24 15:13:58)
> The reloc batch is short lived but can exist in the user visible ppGTT,
> and since it's backed by an internal object, which lacks page clearing,
> we should take care to clear it upfront.
> 
> Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris