linux-kernel - [PATCH RFT RFC 3/3] arm64: dts: qcom: sc8280xp: Fix up idle state periods

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Message-Id: <20230619-topic-sc8280xp-idle-v1-3-35a8b98451d0@linaro.org>
Date:   Mon, 19 Jun 2023 18:18:55 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     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>,
        Johan Hovold <johan+linaro@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH RFT RFC 3/3] arm64: dts: qcom: sc8280xp: Fix up idle state
 periods

Some of the values were wrong, which may have painted a wrong picture
to the scheduler. Fix it.

Fixes: 152d1faf1e2f ("arm64: dts: qcom: add SC8280XP platform")
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index b8f2ec9477f5..d7894465a0d2 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -277,9 +277,9 @@ LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 {
 				compatible = "arm,idle-state";
 				idle-state-name = "little-rail-power-collapse";
 				arm,psci-suspend-param = <0x40000004>;
-				entry-latency-us = <355>;
-				exit-latency-us = <909>;
-				min-residency-us = <3934>;
+				entry-latency-us = <702>;
+				exit-latency-us = <915>;
+				min-residency-us = <4001>;
 				local-timer-stop;
 			};
 
@@ -297,9 +297,9 @@ BIG_CPU_SLEEP_1: cpu-sleep-1-1 {
 				compatible = "arm,idle-state";
 				idle-state-name = "big-rail-power-collapse";
 				arm,psci-suspend-param = <0x40000004>;
-				entry-latency-us = <241>;
-				exit-latency-us = <1461>;
-				min-residency-us = <4488>;
+				entry-latency-us = <526>;
+				exit-latency-us = <1854>;
+				min-residency-us = <5555>;
 				local-timer-stop;
 			};
 		};
@@ -324,9 +324,9 @@ CLUSTER_SLEEP_CX_OFF: cluster-sleep-1 {
 			CLUSTER_SLEEP_APSS_OFF: cluster-sleep-2 {
 				compatible = "domain-idle-state";
 				arm,psci-suspend-param = <0x4100c344>;
-				entry-latency-us = <3263>;
+				entry-latency-us = <3638>;
 				exit-latency-us = <6562>;
-				min-residency-us = <9987>;
+				min-residency-us = <9826>;
 			};
 		};
 	};

-- 
2.41.0