1# SPDX-License-Identifier: GPL-2.0-only 2config TEGRA_HOST1X 3 tristate "NVIDIA Tegra host1x driver" 4 depends on ARCH_TEGRA || (ARM && COMPILE_TEST) 5 select IOMMU_IOVA 6 help 7 Driver for the NVIDIA Tegra host1x hardware. 8 9 The Tegra host1x module is the DMA engine for register access to 10 Tegra's graphics- and multimedia-related modules. The modules served 11 by host1x are referred to as clients. host1x includes some other 12 functionality, such as synchronization. 13 14if TEGRA_HOST1X 15 16config TEGRA_HOST1X_FIREWALL 17 bool "Enable HOST1X security firewall" 18 default y 19 help 20 Say yes if kernel should protect command streams from tampering. 21 22 If unsure, choose Y. 23 24endif 25