drm/i915: Fill unused GGTT with scratch pages for VT-d

[karo-tx-linux.git] / drivers / gpu / drm / i915 / i915_gem_gtt.c

diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 365fe65950e1956970b725e95b95db98aa83bc1a..10f1e32767e60c7f636161485658bc3f9f5ec99f 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3119,7 +3119,7 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
        ggtt->base.unbind_vma = ggtt_unbind_vma;
        ggtt->base.insert_page = gen8_ggtt_insert_page;
        ggtt->base.clear_range = nop_clear_range;
-       if (!USES_FULL_PPGTT(dev_priv))
+       if (!USES_FULL_PPGTT(dev_priv) || intel_scanout_needs_vtd_wa(dev_priv))
                ggtt->base.clear_range = gen8_ggtt_clear_range;
 
        ggtt->base.insert_entries = gen8_ggtt_insert_entries;