linux-kernel - [PATCH v2] arm64: dts: sdm845: Add dynamic CPU power coefficients

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Date:   Wed,  7 Aug 2019 11:44:44 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        David Brown <david.brown@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Amit Kucheria <amit.kucheria@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: [PATCH v2] arm64: dts: sdm845: Add dynamic CPU power coefficients

Add dynamic power coefficients for the Silver and Gold CPU cores of
the Qualcomm SDM845.

Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
Reviewed-by: Douglas Anderson <dianders@...omium.org>
Reviewed-by: Amit Kucheria <amit.kucheria@...aro.org>
---
just noticed that this patch fell through the cracks, resending
a rebased version.

Changes in v2:
- added Reviewd-by tags from Doug and Amit
- rebased on agross/for-next
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 78ec373a2b18..12ae58d76f8b 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -194,6 +194,7 @@
 					   &LITTLE_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <607>;
+			dynamic-power-coefficient = <100>;
 			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			next-level-cache = <&L2_0>;
@@ -215,6 +216,7 @@
 					   &LITTLE_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <607>;
+			dynamic-power-coefficient = <100>;
 			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			next-level-cache = <&L2_100>;
@@ -233,6 +235,7 @@
 					   &LITTLE_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <607>;
+			dynamic-power-coefficient = <100>;
 			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			next-level-cache = <&L2_200>;
@@ -251,6 +254,7 @@
 					   &LITTLE_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <607>;
+			dynamic-power-coefficient = <100>;
 			qcom,freq-domain = <&cpufreq_hw 0>;
 			#cooling-cells = <2>;
 			next-level-cache = <&L2_300>;
@@ -269,6 +273,7 @@
 			cpu-idle-states = <&BIG_CPU_SLEEP_0
 					   &BIG_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
+			dynamic-power-coefficient = <396>;
 			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			next-level-cache = <&L2_400>;
@@ -287,6 +292,7 @@
 			cpu-idle-states = <&BIG_CPU_SLEEP_0
 					   &BIG_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
+			dynamic-power-coefficient = <396>;
 			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			next-level-cache = <&L2_500>;
@@ -305,6 +311,7 @@
 			cpu-idle-states = <&BIG_CPU_SLEEP_0
 					   &BIG_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
+			dynamic-power-coefficient = <396>;
 			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			next-level-cache = <&L2_600>;
@@ -323,6 +330,7 @@
 			cpu-idle-states = <&BIG_CPU_SLEEP_0
 					   &BIG_CPU_SLEEP_1
 					   &CLUSTER_SLEEP_0>;
+			dynamic-power-coefficient = <396>;
 			qcom,freq-domain = <&cpufreq_hw 1>;
 			#cooling-cells = <2>;
 			next-level-cache = <&L2_700>;
-- 
2.22.0.770.g0f2c4a37fd-goog