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authorLinus Walleij <linusw@kernel.org>2026-06-30 18:05:56 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2026-08-05 16:48:11 +0100
commitbb3b2cfeb206f5b10b859e134651b54120e3f530 (patch)
tree6717fcea088ba5c5f15002a48101fa2537135bf2 /drivers/gpu/host1x/Kconfig
downloadlinux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.tar.gz
linux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.zip
ARM: 9480/1: entry: expand comment in __switch_tografted
As per discussion between the developers in the mail thread linked, expand the comment in __switch_to so that readers of the code understand what is going on. Suggested-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Linus Walleij <linusw@kernel.org>> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/gpu/host1x/Kconfig')
-rw-r--r--drivers/gpu/host1x/Kconfig30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/Kconfig b/drivers/gpu/host1x/Kconfig
new file mode 100644
index 000000000..e6c78ae20
--- /dev/null
+++ b/drivers/gpu/host1x/Kconfig
@@ -0,0 +1,30 @@
+# 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