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ARM: tegra: Add IOMMU node to GK20A
author
Alexandre Courbot
<acourbot@nvidia.com>
Wed, 1 Jul 2015 09:13:45 +0000
(18:13 +0900)
committer
Thierry Reding
<treding@nvidia.com>
Fri, 21 Aug 2015 16:44:26 +0000
(18:44 +0200)
Nouveau can make use of the IOMMU to make physical appear linear in the
GPU address space.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
arch/arm/boot/dts/tegra124.dtsi
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diff --git
a/arch/arm/boot/dts/tegra124.dtsi
b/arch/arm/boot/dts/tegra124.dtsi
index
87318a7
..
f72a752
100644
(file)
--- a/
arch/arm/boot/dts/tegra124.dtsi
+++ b/
arch/arm/boot/dts/tegra124.dtsi
@@
-189,6
+189,9
@@
clock-names = "gpu", "pwr";
resets = <&tegra_car 184>;
reset-names = "gpu";
clock-names = "gpu", "pwr";
resets = <&tegra_car 184>;
reset-names = "gpu";
+
+ iommus = <&mc TEGRA_SWGROUP_GPU>;
+
status = "disabled";
};
status = "disabled";
};