| # SPDX-License-Identifier: GPL-2.0-only |
| |
| config TEGRA_HOST1X_CONTEXT_BUS |
| bool |
| |
| config TEGRA_HOST1X |
| tristate "NVIDIA Tegra host1x driver" |
| depends on ARCH_TEGRA || COMPILE_TEST |
| select DMA_SHARED_BUFFER |
| select TEGRA_HOST1X_CONTEXT_BUS |
| select IOMMU_IOVA |
| help |
| Driver for the NVIDIA Tegra host1x hardware. |
| |
| The Tegra host1x module is the DMA engine for register access to |
| Tegra's graphics- and multimedia-related modules. The modules served |
| by host1x are referred to as clients. host1x includes some other |
| functionality, such as synchronization. |
| |
| if TEGRA_HOST1X |
| |
| config TEGRA_HOST1X_FIREWALL |
| bool "Enable HOST1X security firewall" |
| default y |
| help |
| Say yes if kernel should protect command streams from tampering. |
| |
| If unsure, choose Y. |
| |
| endif |
