USES_FULL_PPGTT
if (USES_FULL_PPGTT(dev_priv)) {
if (USES_PPGTT(dev_priv) && !USES_FULL_PPGTT(dev_priv)) {
if (!USES_FULL_PPGTT(dev_priv) || intel_scanout_needs_vtd_wa(dev_priv))