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

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 --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 {