i915_gem_gtt_reserve
ret = i915_gem_gtt_reserve(&ggtt->vm, NULL, &orig_mm,
ret = i915_gem_gtt_reserve(&ggtt->vm, NULL, &ggtt->uc_fw,
err = i915_gem_gtt_reserve(vm, ww, node, size, offset, color, flags);
int i915_gem_gtt_reserve(struct i915_address_space *vm,
ret = i915_gem_gtt_reserve(&ggtt->vm, NULL, node,
ret = i915_gem_gtt_reserve(vma->vm, ww, &vma->node,
err = i915_gem_gtt_reserve(vm, NULL, &vma->node, obj->base.size,