From: Aaron Kling <webgeek1234@gmail.com>

These use a separate mmu instance compared to everything else currently
enabled for the soc.

Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
---
 arch/arm64/boot/dts/nvidia/tegra194.dtsi | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 854ed6d46aa1d8eedcdfbae1fdde1374adf40337..e75b0af81ab76fec5b7531e9c0932a629cbd8768 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1734,7 +1734,7 @@ bpmp-noc@d600000 {
 			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>,
@@ -1975,6 +1975,7 @@ display@15200000 {
 					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>;
@@ -1993,6 +1994,7 @@ display@15210000 {
 					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>;
@@ -2011,6 +2013,7 @@ display@15220000 {
 					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>;
@@ -2029,6 +2032,7 @@ display@15230000 {
 					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>;
-- 
2.51.0