Nouveau can make use of the IOMMU to make physical appear linear in the
GPU address space.
Signed-off-by: Alexandre Courbot <acour...@nvidia.com>
---
arch/arm/boot/dts/tegra124.dtsi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 13cc7ca5e031..bffe90236bf8 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -188,6 +188,9 @@
clock-names = "gpu", "pwr";
resets = <&tegra_car 184>;
reset-names = "gpu";
+
+ iommus = <&mc TEGRA_SWGROUP_GPU>;
+
status = "disabled";
};
--
2.4.4
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