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[11/11] arm64: tegra: Enable SMMU for GPU on Tegra186

Message ID 20190916150412.10025-12-thierry.reding@gmail.com
State Superseded
Headers show
Series drm/nouveau: Enable GP10B by default | expand

Commit Message

Thierry Reding Sept. 16, 2019, 3:04 p.m. UTC 
From: Thierry Reding <treding@nvidia.com>

The GPU has a connection to the ARM SMMU found on Tegra186, which can be
used to support large pages. Make sure the GPU is attached to the SMMU
to take advantage of its capabilities.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 47cd831fcf44..171fd4dfa58d 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1172,6 +1172,7 @@ 
 		status = "disabled";
 
 		power-domains = <&bpmp TEGRA186_POWER_DOMAIN_GPU>;
+		iommus = <&smmu TEGRA186_SID_GPU>;
 	};
 
 	sysram@30000000 {