drm/i915: enable lazy global-gtt binding

Now that everything is in place, only bind to the global gtt
when actually required. Patch split-up suggested by Chris Wilson.

Reviewed-and-tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 69009d1027fb..863e14ac0406 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2762,7 +2762,9 @@ i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
 
                 goto search_free;
         }
-        i915_gem_gtt_bind_object(obj, obj->cache_level);
+
+        if (!dev_priv->mm.aliasing_ppgtt)
+                i915_gem_gtt_bind_object(obj, obj->cache_level);
 
         list_add_tail(&obj->gtt_list, &dev_priv->mm.gtt_list);
         list_add_tail(&obj->mm_list, &dev_priv->mm.inactive_list);