struct i915_address_space *vm);
struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
struct i915_address_space *vm);
+struct i915_vma *
+i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm);
/* Some GGTT VM helpers */
#define obj_to_ggtt(obj) \
(&((struct drm_i915_private *)(obj)->base.dev->dev_private)->gtt.base)
struct i915_vma *vma;
int ret;
- if (WARN_ON(!list_empty(&obj->vma_list)))
- return -EBUSY;
-
fence_size = i915_gem_get_gtt_size(dev,
obj->base.size,
obj->tiling_mode);
i915_gem_object_pin_pages(obj);
- /* FIXME: For now we only ever use 1 VMA per object */
BUG_ON(!i915_is_ggtt(vm));
- WARN_ON(!list_empty(&obj->vma_list));
- vma = i915_gem_vma_create(obj, vm);
+ vma = i915_gem_obj_lookup_or_create_vma(obj, vm);
if (IS_ERR(vma)) {
ret = PTR_ERR(vma);
goto err_unpin;
}
+ /* For now we only ever use 1 vma per object */
+ WARN_ON(!list_is_singular(&obj->vma_list));
+
search_free:
ret = drm_mm_insert_node_in_range_generic(&vm->mm, &vma->node,
size, alignment,
return NULL;
}
+
+struct i915_vma *
+i915_gem_obj_lookup_or_create_vma(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm)
+{
+ struct i915_vma *vma;
+
+ vma = i915_gem_obj_to_vma(obj, vm);
+ if (!vma)
+ vma = i915_gem_vma_create(obj, vm);
+
+ return vma;
+}