GPU_SMMU SID 1 is meant for Adreno LPAC (Low Priority Async Compute). On platforms that support it (in firmware), it is necessary to describe that link, or Adreno register access will hang the board. Add that and fix up the SMR mask of SID 0, which seems to have been copypasted from another SoC. Fixes: 96c471970b7b ("arm64: dts: qcom: sc7280: Add gpu support") Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sc7280.dtsi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index c38ddf267ef5..0d96d1454c49 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -2603,7 +2603,8 @@ gpu: gpu@3d00000 { "cx_mem", "cx_dbgc"; interrupts = <GIC_SPI 300 IRQ_TYPE_LEVEL_HIGH>; - iommus = <&adreno_smmu 0 0x401>; + iommus = <&adreno_smmu 0 0x400>, + <&adreno_smmu 1 0x400>; operating-points-v2 = <&gpu_opp_table>; qcom,gmu = <&gmu>; interconnects = <&gem_noc MASTER_GFX3D 0 &mc_virt SLAVE_EBI1 0>; -- 2.42.0