linux-kernel - Re: [PATCH V2] arm64: dts: qcom: sc7180: bus votes for eMMC and SD card

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Date:   Mon, 21 Jun 2021 11:56:48 +0300
From:   Georgi Djakov <djakov@...nel.org>
To:     Shaik Sajida Bhanu <sbhanu@...eaurora.org>,
        bjorn.andersson@...aro.org
Cc:     asutoshd@...eaurora.org, stummala@...eaurora.org,
        vbadigan@...eaurora.org, rampraka@...eaurora.org,
        sayalil@...eaurora.org, sartgarg@...eaurora.org,
        rnayak@...eaurora.org, saiprakash.ranjan@...eaurora.org,
        sibis@...eaurora.org, okukatla@...eaurora.org, cang@...eaurora.org,
        pragalla@...eaurora.org, nitirawa@...eaurora.org,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        agross@...nel.org, adrian.hunter@...el.com, ulf.hansson@...aro.org,
        robh+dt@...nel.org
Subject: Re: [PATCH V2] arm64: dts: qcom: sc7180: bus votes for eMMC and SD
 card

On 16.06.21 12:22, Shaik Sajida Bhanu wrote:
> Update peak bandwidth and average bandwidth vote values for eMMC and
> SDCard. This patch calculates the new votes as per the comments from
> https://lore.kernel.org/patchwork/patch/1399453/#1619566.
> 
> Signed-off-by: Shaik Sajida Bhanu <sbhanu@...eaurora.org>

Reviewed-by: Georgi Djakov <djakov@...nel.org>

> ---
> 
> Changes since V1:
> 	- Updated the commit message with proper information.
> ---
>   arch/arm64/boot/dts/qcom/sc7180.dtsi | 20 ++++++++++----------
>   1 file changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index fb1d9ad..a5d58eb 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -727,15 +727,15 @@
>   				opp-100000000 {
>   					opp-hz = /bits/ 64 <100000000>;
>   					required-opps = <&rpmhpd_opp_low_svs>;
> -					opp-peak-kBps = <100000 100000>;
> -					opp-avg-kBps = <100000 50000>;
> +					opp-peak-kBps = <1800000 600000>;
> +					opp-avg-kBps = <100000 0>;
>   				};
>   
>   				opp-384000000 {
>   					opp-hz = /bits/ 64 <384000000>;
> -					required-opps = <&rpmhpd_opp_svs_l1>;
> -					opp-peak-kBps = <600000 900000>;
> -					opp-avg-kBps = <261438 300000>;
> +					required-opps = <&rpmhpd_opp_nom>;
> +					opp-peak-kBps = <5400000 1600000>;
> +					opp-avg-kBps = <390000 0>;
>   				};
>   			};
>   		};
> @@ -2585,15 +2585,15 @@
>   				opp-100000000 {
>   					opp-hz = /bits/ 64 <100000000>;
>   					required-opps = <&rpmhpd_opp_low_svs>;
> -					opp-peak-kBps = <160000 100000>;
> -					opp-avg-kBps = <80000 50000>;
> +					opp-peak-kBps = <1800000 600000>;
> +					opp-avg-kBps = <100000 0>;
>   				};
>   
>   				opp-202000000 {
>   					opp-hz = /bits/ 64 <202000000>;
> -					required-opps = <&rpmhpd_opp_svs_l1>;
> -					opp-peak-kBps = <200000	120000>;
> -					opp-avg-kBps = <100000 60000>;
> +					required-opps = <&rpmhpd_opp_nom>;
> +					opp-peak-kBps = <5400000 1600000>;
> +					opp-avg-kBps = <200000 0>;
>   				};
>   			};
>   		};
>