linux-kernel - Re: [PATCH v3 05/12] dt-bindings: display/msm: Add SM6375 MDSS

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4a563d96-ec59-7db3-d288-1ba3bb9d8eb7@linaro.org>
Date:   Sun, 7 May 2023 10:20:38 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Krishna Manikandan <quic_mkrishn@...cinc.com>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        iommu@...ts.linux.dev
Subject: Re: [PATCH v3 05/12] dt-bindings: display/msm: Add SM6375 MDSS

On 05/05/2023 23:40, Konrad Dybcio wrote:
> Document the SM6375 MDSS.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  .../bindings/display/msm/qcom,sm6375-mdss.yaml     | 216 +++++++++++++++++++++
>  1 file changed, 216 insertions(+)
> 

Thank you for your patch. There is something to discuss/improve.

> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/qcom,rpmcc.h>
> +    #include <dt-bindings/clock/qcom,sm6375-gcc.h>
> +    #include <dt-bindings/clock/qcom,sm6375-dispcc.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/power/qcom-rpmpd.h>
> +
> +    display-subsystem@...0000 {
> +        compatible = "qcom,sm6375-mdss";
> +        reg = <0x05e00000 0x1000>;
> +        reg-names = "mdss";
> +
> +        power-domains = <&dispcc MDSS_GDSC>;
> +
> +        clocks = <&gcc GCC_DISP_AHB_CLK>,
> +                 <&dispcc DISP_CC_MDSS_AHB_CLK>,
> +                 <&dispcc DISP_CC_MDSS_MDP_CLK>;
> +        clock-names = "iface", "ahb", "core";
> +
> +        interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
> +        interrupt-controller;
> +        #interrupt-cells = <1>;
> +
> +        iommus = <&apps_smmu 0x820 0x2>;
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +        ranges;
> +
> +        display-controller@...1000 {
> +            compatible = "qcom,sm6375-dpu";
> +            reg = <0x05e01000 0x8e030>,
> +                  <0x05eb0000 0x2008>;
> +            reg-names = "mdp", "vbif";
> +
> +            clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> +                     <&gcc GCC_DISP_HF_AXI_CLK>,
> +                     <&dispcc DISP_CC_MDSS_MDP_CLK>,
> +                     <&dispcc DISP_CC_MDSS_MDP_LUT_CLK>,
> +                     <&dispcc DISP_CC_MDSS_ROT_CLK>,
> +                     <&dispcc DISP_CC_MDSS_VSYNC_CLK>,
> +                     <&gcc GCC_DISP_THROTTLE_CORE_CLK>;
> +            clock-names = "iface",
> +                          "bus",
> +                          "core",
> +                          "lut",
> +                          "rot",
> +                          "vsync",
> +                          "throttle";

Are you sure you have clocks in correct order? I see warnings...

Best regards,
Krzysztof