drm/i915/selftests: Avoid choosing zero for phys_sz
Make sure we avoid ending up with a phys_sz of 0, or for phys_sz to be larger than the actual size. Closes: https://patchwork.freedesktop.org/series/73320/ Signed-off-by:Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by:
Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200212085432.1250807-1-chris@chris-wilson.co.uk
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37305ede
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