From: Alexandre Courbot <acourbot@nvidia.com>
Date: Wed, 1 Jul 2015 09:13:45 +0000 (+0900)
Subject: ARM: tegra: Add IOMMU node to GK20A
X-Git-Tag: v4.3-rc1~120^2~1^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c96cd17708cfcffc9ccf2132fdcb360fa04f092f;p=platform%2Fkernel%2Flinux-exynos.git

ARM: tegra: Add IOMMU node to GK20A

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>
---

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 87318a7..f72a752 100644
--- 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";
+
+		iommus = <&mc TEGRA_SWGROUP_GPU>;
+
 		status = "disabled";
 	};