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Commit 6d9adf6f authored by Thierry Reding's avatar Thierry Reding
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ARM: tegra: Enable IOMMU for display controllers on Tegra30 



Add iommus properties to the device tree nodes for the two display
controllers found on Tegra30. This will allow the display controllers to
map physically non-contiguous buffers to I/O virtual contiguous address
spaces so that they can be used for scan-out.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent b26ea06b

arch/arm/boot/dts/tegra30.dtsi

+5 −0
Original line number Diff line number Diff line 
#include <dt-bindings/clock/tegra30-car.h>

#include <dt-bindings/gpio/tegra-gpio.h>

#include <dt-bindings/memory/tegra30-mc.h>

#include <dt-bindings/pinctrl/pinctrl-tegra.h>

#include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -174,6 +175,8 @@ 
			resets = <&tegra_car 27>;

			reset-names = "dc";



			iommus = <&mc TEGRA_SWGROUP_DC>;



			nvidia,head = <0>;



			rgb {
@@ -191,6 +194,8 @@ 
			resets = <&tegra_car 26>;

			reset-names = "dc";



			iommus = <&mc TEGRA_SWGROUP_DCB>;



			nvidia,head = <1>;



			rgb {