From b3089ac41bca951ca4de10ba6857eaa260f82fca Mon Sep 17 00:00:00 2001 From: Bibek Kumar Patro Date: Tue, 26 May 2026 20:05:19 +0530 Subject: [PATCH] FROMLIST: arm64: dts: qcom: monaco: Add GEM_NOC interconnect for adreno SMMU On Monaco platforms, the Adreno SMMU requires a bandwidth vote on the GEM_NOC path (MASTER_GPU_TCU -> SLAVE_EBI1) before its registers are accessible. Without this vote, the SMMU may become unreachable, leading to intermittent probe failures and runtime issues. Add the required interconnect to ensure reliable register access. Link: https://lore.kernel.org/all/20260526-smmu_interconnect_addition-v2-0-2a6d8ca30d63@oss.qualcomm.com/ Signed-off-by: Bibek Kumar Patro --- arch/arm64/boot/dts/qcom/monaco.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi b/arch/arm64/boot/dts/qcom/monaco.dtsi index 8eb6e7d96245..13eba826a95d 100644 --- a/arch/arm64/boot/dts/qcom/monaco.dtsi +++ b/arch/arm64/boot/dts/qcom/monaco.dtsi @@ -5127,6 +5127,8 @@ "gpu_cc_hub_aon_clk"; power-domains = <&gpucc GPU_CC_CX_GDSC>; dma-coherent; + interconnects = <&gem_noc MASTER_GPU_TCU QCOM_ICC_TAG_ALWAYS + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>; }; pmu@9091000 {