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1# SPDX-License-Identifier: GPL-2.0-only2 3config TEGRA_HOST1X_CONTEXT_BUS4 bool5 6config TEGRA_HOST1X7 tristate "NVIDIA Tegra host1x driver"8 depends on ARCH_TEGRA || COMPILE_TEST9 select DMA_SHARED_BUFFER10 select TEGRA_HOST1X_CONTEXT_BUS11 select IOMMU_IOVA12 help13 Driver for the NVIDIA Tegra host1x hardware.14 15 The Tegra host1x module is the DMA engine for register access to16 Tegra's graphics- and multimedia-related modules. The modules served17 by host1x are referred to as clients. host1x includes some other18 functionality, such as synchronization.19 20if TEGRA_HOST1X21 22config TEGRA_HOST1X_FIREWALL23 bool "Enable HOST1X security firewall"24 default y25 help26 Say yes if kernel should protect command streams from tampering.27 28 If unsure, choose Y.29 30endif31