drm/i915: Simplify i915_gem_obj_to_ggtt_view

Can use vma->is_ggtt to simplify the check and also switch the
BUG_ON to GEM_BUG_ON which is more appropriate for this.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Dave Gordon <david.s.gordon@intel.com>

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ae31d4e..8a46e94 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4651,16 +4651,12 @@ struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
 struct i915_vma *i915_gem_obj_to_ggtt_view(struct drm_i915_gem_object *obj,
                                           const struct i915_ggtt_view *view)
 {
-       struct drm_device *dev = obj->base.dev;
-       struct drm_i915_private *dev_priv = to_i915(dev);
-       struct i915_ggtt *ggtt = &dev_priv->ggtt;
        struct i915_vma *vma;
 
-       BUG_ON(!view);
+       GEM_BUG_ON(!view);
 
        list_for_each_entry(vma, &obj->vma_list, obj_link)
-               if (vma->vm == &ggtt->base &&
-                   i915_ggtt_view_equal(&vma->ggtt_view, view))
+               if (vma->is_ggtt && i915_ggtt_view_equal(&vma->ggtt_view, view))
                        return vma;
        return NULL;
 }