drm/i915/selftests: Query the vm under test for hugepage support

Since we have the ppgtt we want to test, we can ask it directly if it is
suitable for the hugepage test we intend to undertake.

v2: Not everyone has full-ppgtt

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/20190117230512.4789-1-chris@chris-wilson.co.uk

diff --git a/drivers/gpu/drm/i915/selftests/huge_pages.c b/drivers/gpu/drm/i915/selftests/huge_pages.c
index a5245011180262c87a6c2c502d12b1a5ab7cd97d..a9a2fa35876fe5537db2e4693334097aae4f7def 100644 (file)
--- a/drivers/gpu/drm/i915/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/selftests/huge_pages.c
@@ -1449,7 +1449,7 @@ static int igt_ppgtt_pin_update(void *arg)
         * huge-gtt-pages.
         */
 
-       if (!HAS_FULL_48BIT_PPGTT(dev_priv)) {
+       if (!ppgtt || !i915_vm_is_48bit(&ppgtt->vm)) {
                pr_info("48b PPGTT not supported, skipping\n");
                return 0;
        }