*/
        head = I915_READ_HEAD(engine) & HEAD_ADDR;
        backwards = (INTEL_GEN(dev_priv) >= 8) ? 5 : 4;
-       vaddr = (void __iomem *)engine->buffer->virtual_start;
+       vaddr = (void __iomem *)engine->buffer->vaddr;
 
        for (i = backwards; i; --i) {
                /*
 
 
 void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf)
 {
-       GEM_BUG_ON(ringbuf->vma == NULL);
-       GEM_BUG_ON(ringbuf->virtual_start == NULL);
+       GEM_BUG_ON(!ringbuf->vma);
+       GEM_BUG_ON(!ringbuf->vaddr);
 
        if (HAS_LLC(ringbuf->obj->base.dev) && !ringbuf->obj->stolen)
                i915_gem_object_unpin_map(ringbuf->obj);
        else
                i915_vma_unpin_iomap(ringbuf->vma);
-       ringbuf->virtual_start = NULL;
+       ringbuf->vaddr = NULL;
 
        i915_gem_object_ggtt_unpin(ringbuf->obj);
        ringbuf->vma = NULL;
                }
        }
 
-       ringbuf->virtual_start = addr;
+       ringbuf->vaddr = addr;
        ringbuf->vma = i915_gem_obj_to_ggtt(obj);
        return 0;
 
                GEM_BUG_ON(ringbuf->tail + remain_actual > ringbuf->size);
 
                /* Fill the tail with MI_NOOP */
-               memset(ringbuf->virtual_start + ringbuf->tail,
-                      0, remain_actual);
+               memset(ringbuf->vaddr + ringbuf->tail, 0, remain_actual);
                ringbuf->tail = 0;
                ringbuf->space -= remain_actual;
        }
 
 
 struct intel_ringbuffer {
        struct drm_i915_gem_object *obj;
-       void *virtual_start;
+       void *vaddr;
        struct i915_vma *vma;
 
        struct intel_engine_cs *engine;
 static inline void __intel_ringbuffer_emit(struct intel_ringbuffer *rb,
                                           u32 data)
 {
-       *(uint32_t *)(rb->virtual_start + rb->tail) = data;
+       *(uint32_t *)(rb->vaddr + rb->tail) = data;
        rb->tail += 4;
 }