diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index f87f9effafb4..330fa00dd891 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1746,7 +1746,7 @@
 			status = "okay";
 		};
 
-		iommu@10000000 {
+		smmu_iso: iommu@10000000 {
 			compatible = "nvidia,tegra194-smmu", "nvidia,smmu-500";
 			reg = <0x0 0x10000000 0x0 0x800000>;
 			interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>,
@@ -1987,6 +1987,7 @@
 					interconnects = <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR &emc>,
 							<&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR1 &emc>;
 					interconnect-names = "dma-mem", "read-1";
+					iommus = <&smmu_iso TEGRA194_SID_NVDISPLAY>;
 
 					nvidia,outputs = <&sor0 &sor1 &sor2 &sor3>;
 					nvidia,head = <0>;
@@ -2005,6 +2006,7 @@
 					interconnects = <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR &emc>,
 							<&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR1 &emc>;
 					interconnect-names = "dma-mem", "read-1";
+					iommus = <&smmu_iso TEGRA194_SID_NVDISPLAY>;
 
 					nvidia,outputs = <&sor0 &sor1 &sor2 &sor3>;
 					nvidia,head = <1>;
@@ -2023,6 +2025,7 @@
 					interconnects = <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR &emc>,
 							<&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR1 &emc>;
 					interconnect-names = "dma-mem", "read-1";
+					iommus = <&smmu_iso TEGRA194_SID_NVDISPLAY>;
 
 					nvidia,outputs = <&sor0 &sor1 &sor2 &sor3>;
 					nvidia,head = <2>;
@@ -2041,6 +2044,7 @@
 					interconnects = <&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR &emc>,
 							<&mc TEGRA194_MEMORY_CLIENT_NVDISPLAYR1 &emc>;
 					interconnect-names = "dma-mem", "read-1";
+					iommus = <&smmu_iso TEGRA194_SID_NVDISPLAY>;
 
 					nvidia,outputs = <&sor0 &sor1 &sor2 &sor3>;
 					nvidia,head = <3>;