1# SPDX-License-Identifier: GPL-2.0-only
 2
 3config TEGRA_HOST1X_CONTEXT_BUS
 4	bool
 5
 6config TEGRA_HOST1X
 7	tristate "NVIDIA Tegra host1x driver"
 8	depends on ARCH_TEGRA || COMPILE_TEST
 9	select DMA_SHARED_BUFFER
10	select TEGRA_HOST1X_CONTEXT_BUS
11	select IOMMU_IOVA
12	help
13	  Driver for the NVIDIA Tegra host1x hardware.
14
15	  The Tegra host1x module is the DMA engine for register access to
16	  Tegra's graphics- and multimedia-related modules. The modules served
17	  by host1x are referred to as clients. host1x includes some other
18	  functionality, such as synchronization.
19
20if TEGRA_HOST1X
21
22config TEGRA_HOST1X_FIREWALL
23	bool "Enable HOST1X security firewall"
24	default y
25	help
26	  Say yes if kernel should protect command streams from tampering.
27
28	  If unsure, choose Y.
29
30endif

 1# SPDX-License-Identifier: GPL-2.0-only
 
 
 
 
 2config TEGRA_HOST1X
 3	tristate "NVIDIA Tegra host1x driver"
 4	depends on ARCH_TEGRA || (ARM && COMPILE_TEST)
 5	select IOMMU_IOVA if IOMMU_SUPPORT
 
 
 6	help
 7	  Driver for the NVIDIA Tegra host1x hardware.
 8
 9	  The Tegra host1x module is the DMA engine for register access to
10	  Tegra's graphics- and multimedia-related modules. The modules served
11	  by host1x are referred to as clients. host1x includes some other
12	  functionality, such as synchronization.
13
14if TEGRA_HOST1X
15
16config TEGRA_HOST1X_FIREWALL
17	bool "Enable HOST1X security firewall"
18	default y
19	help
20	  Say yes if kernel should protect command streams from tampering.
21
22	  If unsure, choose Y.
23
24endif