* [PATCH] arm64: tegra: Add dma-coherent for Tegra194 VIC
@ 2021-10-25 11:08 Jon Hunter
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From: Jon Hunter @ 2021-10-25 11:08 UTC (permalink / raw)
To: Rob Herring, Thierry Reding, Mikko Perttunen
Cc: devicetree, linux-tegra, Jon Hunter
DMA operations for the Tegra194 Video Image Compositor (VIC) are
coherent and so populate the 'dma-coherent' property.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
arch/arm64/boot/dts/nvidia/tegra194.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 851e049b3519..d78c9ed08c47 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -1703,6 +1703,7 @@ vic@15340000 {
<&mc TEGRA194_MEMORY_CLIENT_VICSWR &emc>;
interconnect-names = "dma-mem", "write";
iommus = <&smmu TEGRA194_SID_VIC>;
+ dma-coherent;
};
nvdec@15480000 {
--
2.25.1
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