[PATCH 2/4] arm64: dts: qcom: sdm630: set adsp compute-cbs' regs properly

Nickolay Goppen
2026-04-15T09:42:40Z

Changing FastRPC compute-cbs' reg values to matching iommu streams
solves SMMU translation errors when trying to use FastRPC on ADSP
so change FastRPC compute-cbs' reg values that way

Signed-off-by: Nickolay Goppen <setotau@mainlining.org>
---
arch/arm64/boot/dts/qcom/sdm630.dtsi | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
index bef3213165d6..4b47efdb57b2 100644
--- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
@@ -2459,27 +2459,27 @@ fastrpc {
#address-cells = <1>;
#size-cells = <0>;

- compute-cb@1 {
+ compute-cb@3 {
compatible = "qcom,fastrpc-compute-cb";
- reg = <1>;
+ reg = <3>;
iommus = <&lpass_smmu 3>;
};

- compute-cb@2 {
+ compute-cb@7 {
compatible = "qcom,fastrpc-compute-cb";
- reg = <2>;
+ reg = <7>;
iommus = <&lpass_smmu 7>;
};

- compute-cb@3 {
+ compute-cb@8 {
compatible = "qcom,fastrpc-compute-cb";
- reg = <3>;
+ reg = <8>;
iommus = <&lpass_smmu 8>;
};

- compute-cb@4 {
+ compute-cb@9 {
compatible = "qcom,fastrpc-compute-cb";
- reg = <4>;
+ reg = <9>;
iommus = <&lpass_smmu 9>;
};
};

--
2.53.0