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From:   Konrad Dybcio <konrad.dybcio@linaro.org>
Date:   Mon, 27 Nov 2023 16:28:47 +0100
Subject: [PATCH v2 07/12] arm64: dts: qcom: sc7280: Add the missing MDSS
 icc path
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To:     Rob Clark <robdclark@gmail.com>,
        Abhinav Kumar <quic_abhinavk@quicinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Sean Paul <sean@poorly.run>, David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Loic Poulain <loic.poulain@linaro.org>,
        Bryan O'Donoghue <bryan.odonoghue@linaro.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Georgi Djakov <djakov@kernel.org>,
        Will Deacon <will@kernel.org>,
        Robin Murphy <robin.murphy@arm.com>,
        Joerg Roedel <joro@8bytes.org>,
        Krishna Manikandan <quic_mkrishn@quicinc.com>,
        Robert Marko <robimarko@gmail.com>,
        Das Srinagesh <quic_gurus@quicinc.com>,
        cros-qcom-dts-watchers@chromium.org
Cc:     Marijn Suijten <marijn.suijten@somainline.org>,
        Rob Herring <robh@kernel.org>, linux-arm-msm@vger.kernel.org,
        dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        iommu@lists.linux.dev, Konrad Dybcio <konrad.dybcio@linaro.org>
Precedence: bulk

MDSS, aside from the MDP-MEM path, also requires the CPU-DISP_CFG one.
Failing to provide it may result in register accesses failing and that's
never good.

Add the missing path.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index 04bf85b0399a..41d327b1f1b6 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -15,6 +15,7 @@
 #include <dt-bindings/dma/qcom-gpi.h>
 #include <dt-bindings/firmware/qcom,scm.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interconnect/qcom,icc.h>
 #include <dt-bindings/interconnect/qcom,osm-l3.h>
 #include <dt-bindings/interconnect/qcom,sc7280.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
@@ -3958,8 +3959,12 @@ mdss: display-subsystem@ae00000 {
 			interrupt-controller;
 			#interrupt-cells = <1>;
 
-			interconnects = <&mmss_noc MASTER_MDP0 0 &mc_virt SLAVE_EBI1 0>;
-			interconnect-names = "mdp0-mem";
+			interconnects = <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+					 &cnoc2 SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ALWAYS>;
+			interconnect-names = "mdp0-mem",
+					     "cpu-cfg";
 
 			iommus = <&apps_smmu 0x900 0x402>;
 

-- 
2.43.0