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# 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 || (ARM && 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
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