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Mon, 10 Feb 2025 01:32:48 -0800 (PST) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4391da964e2sm141340895e9.4.2025.02.10.01.32.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 01:32:47 -0800 (PST) From: Neil Armstrong Date: Mon, 10 Feb 2025 10:32:39 +0100 Subject: [PATCH v3 1/4] dt-bindings: display: qcom,sm8550-mdss: explicitly document mdp0-mem and cpu-cfg interconnect paths Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250210-topic-sm8x50-mdss-interconnect-bindings-fix-v3-1-54c96a9d2b7f@linaro.org> References: <20250210-topic-sm8x50-mdss-interconnect-bindings-fix-v3-0-54c96a9d2b7f@linaro.org> In-Reply-To: <20250210-topic-sm8x50-mdss-interconnect-bindings-fix-v3-0-54c96a9d2b7f@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Neil Armstrong X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE The mdp1-mem is not supported on the SM8550 SoCs, and having maxItems=2 makes the bindings not clear if mdp0-mem/mdp1-mem or mdp0-mem/cpu-cfg is required, so explicitly document the mdp0-mem/cpu-cfg interconnect and add the cpu-cfg path in the example. Suggested-by: Dmitry Baryshkov Signed-off-by: Neil Armstrong --- .../devicetree/bindings/display/msm/qcom,sm8550-mdss.yaml | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/display/msm/qcom,sm8550-mdss.yaml b/Documentation/devicetree/bindings/display/msm/qcom,sm8550-mdss.yaml index 1ea50a2c7c8e9f420125ad30a80b4ebd05c9367a..59192c59ddb9c126ada43ada1430fa7569651f99 100644 --- a/Documentation/devicetree/bindings/display/msm/qcom,sm8550-mdss.yaml +++ b/Documentation/devicetree/bindings/display/msm/qcom,sm8550-mdss.yaml @@ -30,10 +30,14 @@ properties: maxItems: 1 interconnects: - maxItems: 2 + items: + - description: Interconnect path from mdp0 port to the data bus + - description: Interconnect path from CPU to the reg bus interconnect-names: - maxItems: 2 + items: + - const: mdp0-mem + - const: cpu-cfg patternProperties: "^display-controller@[0-9a-f]+$": @@ -91,9 +95,9 @@ examples: reg = <0x0ae00000 0x1000>; reg-names = "mdss"; 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Mon, 10 Feb 2025 01:32:51 -0800 (PST) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:8261:5fff:fe11:bdda]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4391da964e2sm141340895e9.4.2025.02.10.01.32.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Feb 2025 01:32:50 -0800 (PST) From: Neil Armstrong Date: Mon, 10 Feb 2025 10:32:41 +0100 Subject: [PATCH v3 3/4] arm64: dts: qcom: sm8550: add missing cpu-cfg interconnect path in the mdss node Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250210-topic-sm8x50-mdss-interconnect-bindings-fix-v3-3-54c96a9d2b7f@linaro.org> References: <20250210-topic-sm8x50-mdss-interconnect-bindings-fix-v3-0-54c96a9d2b7f@linaro.org> In-Reply-To: <20250210-topic-sm8x50-mdss-interconnect-bindings-fix-v3-0-54c96a9d2b7f@linaro.org> To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Neil Armstrong X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=89EC3D058446217450F22848169AB7B1A4CFF8AE The bindings requires the mdp0-mem and the cpu-cfg interconnect path, add the missing cpu-cfg path to fix the dtbs check error. Fixes: b8591df49cde ("arm64: dts: qcom: sm8550: correct MDSS interconnects") Signed-off-by: Neil Armstrong --- arch/arm64/boot/dts/qcom/sm8550.dtsi | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi index eac8de4005d82f246bc50f64f09515631d895c99..702b55296b18ff2f8ea62a3391b7de2804aa9f65 100644 --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi @@ -3020,8 +3020,9 @@ mdss: display-subsystem@ae00000 { power-domains = <&dispcc MDSS_GDSC>; - interconnects = <&mmss_noc MASTER_MDP 0 &mc_virt SLAVE_EBI1 0>; - interconnect-names = "mdp0-mem"; + interconnects = <&mmss_noc MASTER_MDP 0 &mc_virt SLAVE_EBI1 0>, + <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_DISPLAY_CFG 0>; + interconnect-names = "mdp0-mem", "cpu-cfg"; iommus = <&apps_smmu 0x1c00 0x2>;