drm/i915/selftests: Skip aperture remapping selftest where there is no aperture

If there is no mappable aperture, we cannot remap it for access, and the
selftest is void.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210412090526.30547-2-matthew.auld@intel.com

drivers/gpu/drm/i915/selftests/i915_vma.c

@@ -967,6 +967,9 @@ static int igt_vma_remapped_gtt(void *arg)
 	intel_wakeref_t wakeref;
 	int err = 0;
 
+	if (!i915_ggtt_has_aperture(&i915->ggtt))
+		return 0;
+
 	obj = i915_gem_object_create_internal(i915, 10 * 10 * PAGE_SIZE);
 	if (IS_ERR(obj))
 		return PTR_ERR(obj);