linux-kernel - Re: [PATCH v2 1/3] arm64: dts: qcom: sm8550: enable DISPCC by default

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Message-ID: <2e9c9836-3829-69ae-0c9c-ca625965498d@linaro.org>
Date:   Tue, 16 May 2023 18:26:47 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] arm64: dts: qcom: sm8550: enable DISPCC by default



On 16.05.2023 17:45, Krzysztof Kozlowski wrote:
> Enable the Display Clock Controller by default in SoC DTSI so unused
> clocks can be turned off.  It does not require any external resources,
> so as core SoC component should be always available to boards.
> 
> Suggested-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad
> 
> Changes in v2:
> 1. New patch
> ---
>  arch/arm64/boot/dts/qcom/sm8550-mtp.dts | 4 ----
>  arch/arm64/boot/dts/qcom/sm8550.dtsi    | 1 -
>  2 files changed, 5 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
> index 785889450e8a..f27d5c657f44 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
> @@ -419,10 +419,6 @@ vreg_l3g_1p2: ldo3 {
>  	};
>  };
>  
> -&dispcc {
> -	status = "okay";
> -};
> -
>  &mdss {
>  	status = "okay";
>  };
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index 6e9bad8f6f33..0a3a08336b46 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -2684,7 +2684,6 @@ dispcc: clock-controller@...0000 {
>  			#clock-cells = <1>;
>  			#reset-cells = <1>;
>  			#power-domain-cells = <1>;
> -			status = "disabled";
>  		};
>  
>  		usb_1_hsphy: phy@...3000 {