rockchip_iommu_cleanup  178 drivers/gpu/drm/rockchip/rockchip_drm_drv.c 	rockchip_iommu_cleanup(drm_dev);
rockchip_iommu_cleanup  198 drivers/gpu/drm/rockchip/rockchip_drm_drv.c 	rockchip_iommu_cleanup(drm_dev);