2019-05-19 13:07:45 +01:00
|
|
|
# SPDX-License-Identifier: GPL-2.0-only
|
2022-05-16 11:52:51 +03:00
|
|
|
|
|
|
|
|
config TEGRA_HOST1X_CONTEXT_BUS
|
|
|
|
|
bool
|
|
|
|
|
|
2013-03-22 16:34:01 +02:00
|
|
|
config TEGRA_HOST1X
|
|
|
|
|
tristate "NVIDIA Tegra host1x driver"
|
2023-03-22 11:39:15 +01:00
|
|
|
depends on ARCH_TEGRA || COMPILE_TEST
|
2021-09-27 11:36:59 +02:00
|
|
|
select DMA_SHARED_BUFFER
|
2022-05-16 11:52:51 +03:00
|
|
|
select TEGRA_HOST1X_CONTEXT_BUS
|
2019-08-29 17:56:53 +02:00
|
|
|
select IOMMU_IOVA
|
2013-03-22 16:34:01 +02:00
|
|
|
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.
|
2013-03-22 16:34:03 +02:00
|
|
|
|
|
|
|
|
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
|
