drm/i915: Eliminate use of PAGE_SIZE as a virtual alignment
Using PAGE_SIZE for virtual offset alignment is superfluous as it is equal to the minimum gtt alignment and so equivalent to 0. It is also the wrong value to use as we stopped using physical page constructs for the virtual GTT, i.e. it would be preferrable to use I915_GTT_PAGE_SIZE and in these cases merely imply I915_GTT_MIN_ALIGNMENT. Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk> Reviewed-by: NMatthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180727091855.1879-1-chris@chris-wilson.co.uk
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