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