From 3b7b80753c1f1a2e0d5f901d3ea1b75f258bb9de Mon Sep 17 00:00:00 2001
From: Aaron Kling <webgeek1234@gmail.com>
Date: Sat, 1 Nov 2025 18:01:10 -0500
Subject: [PATCH] Revert "arm64: tegra: Disable ISO SMMU for Tegra194"

This reverts commit ebea268ea583ba4970df425dfef8c8e21d0a4e12.

Mmu is now being enabled for the display controllers.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra194.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 7bbf0e892724..5042224d8736 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1795,7 +1795,7 @@ iommu@10000000 {
 			#iommu-cells = <1>;
 
 			nvidia,memory-controller = <&mc>;
-			status = "disabled";
+			status = "okay";
 		};
 
 		smmu: iommu@12000000 {