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OSCL-LXR

 
 

    


0001 # SPDX-License-Identifier: GPL-2.0-only
0002 
0003 config TEGRA_HOST1X_CONTEXT_BUS
0004         bool
0005 
0006 config TEGRA_HOST1X
0007         tristate "NVIDIA Tegra host1x driver"
0008         depends on ARCH_TEGRA || (ARM && COMPILE_TEST)
0009         select DMA_SHARED_BUFFER
0010         select TEGRA_HOST1X_CONTEXT_BUS
0011         select IOMMU_IOVA
0012         help
0013           Driver for the NVIDIA Tegra host1x hardware.
0014 
0015           The Tegra host1x module is the DMA engine for register access to
0016           Tegra's graphics- and multimedia-related modules. The modules served
0017           by host1x are referred to as clients. host1x includes some other
0018           functionality, such as synchronization.
0019 
0020 if TEGRA_HOST1X
0021 
0022 config TEGRA_HOST1X_FIREWALL
0023         bool "Enable HOST1X security firewall"
0024         default y
0025         help
0026           Say yes if kernel should protect command streams from tampering.
0027 
0028           If unsure, choose Y.
0029 
0030 endif