linux-kernel - [PATCH 08/10] arm64: dts: qcom: sc8180x: Add missing CPU<->MDP

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Message-Id: <20231230-topic-8180_more_fixes-v1-8-93b5c107ed43@linaro.org>
Date: Sat, 30 Dec 2023 01:05:09 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>, 
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 08/10] arm64: dts: qcom: sc8180x: Add missing CPU<->MDP_CFG
 path

To guarantee the required resources are enabled, describe the
interconnect path between the MDSS and the CPU.

Fixes: 494dec9b6f54 ("arm64: dts: qcom: sc8180x: Add display and gpu nodes")
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sc8180x.dtsi | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc8180x.dtsi b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
index 97c139d0399d..960058624a2f 100644
--- a/arch/arm64/boot/dts/qcom/sc8180x.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8180x.dtsi
@@ -2701,9 +2701,15 @@ mdss: mdss@...0000 {
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
-			interconnects = <&mmss_noc MASTER_MDP_PORT0 0 &mc_virt SLAVE_EBI_CH0 0>,
-					<&mmss_noc MASTER_MDP_PORT1 0 &mc_virt SLAVE_EBI_CH0 0>;
-			interconnect-names = "mdp0-mem", "mdp1-mem";
+			interconnects = <&mmss_noc MASTER_MDP_PORT0 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ALWAYS>,
+					<&mmss_noc MASTER_MDP_PORT1 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI_CH0 QCOM_ICC_TAG_ALWAYS>,
+					<&gem_noc MASTER_AMPSS_M0 QCOM_ICC_TAG_ALWAYS
+					 &config_noc SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ALWAYS>;
+			interconnect-names = "mdp0-mem",
+					     "mdp1-mem",
+					     "cpu-cfg";
 
 			iommus = <&apps_smmu 0x800 0x420>;
 

-- 
2.43.0