From: Konrad Dybcio <konrad.dybcio@linaro.org>
Date: Mon, 18 Dec 2023 16:02:12 +0000 (+0100)
Subject: arm64: dts: qcom: sm8550: Separate out X3 idle state
X-Git-Tag: v6.6.17~1184
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ff8434b61cbb3cb492cdcbe7a9caf3594967a581;p=platform%2Fkernel%2Flinux-rpi.git

arm64: dts: qcom: sm8550: Separate out X3 idle state

[ Upstream commit 28b735232d5e16a34f98dbac1e7b5401c1c16d89 ]

The X3 core has different entry/exit/residency time requirements than
the big cluster. Denote them to stop confusing the scheduler.

Fixes: ffc50b2d3828 ("arm64: dts: qcom: Add base SM8550 dtsi")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20231218-topic-8550_fixes-v1-11-ce1272d77540@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 045cef6..15d91ac 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -298,6 +298,16 @@
 				min-residency-us = <4791>;
 				local-timer-stop;
 			};
+
+			PRIME_CPU_SLEEP_0: cpu-sleep-2-0 {
+				compatible = "arm,idle-state";
+				idle-state-name = "goldplus-rail-power-collapse";
+				arm,psci-suspend-param = <0x40000004>;
+				entry-latency-us = <500>;
+				exit-latency-us = <1350>;
+				min-residency-us = <7480>;
+				local-timer-stop;
+			};
 		};
 
 		domain-idle-states {
@@ -398,7 +408,7 @@
 		CPU_PD7: power-domain-cpu7 {
 			#power-domain-cells = <0>;
 			power-domains = <&CLUSTER_PD>;
-			domain-idle-states = <&BIG_CPU_SLEEP_0>;
+			domain-idle-states = <&PRIME_CPU_SLEEP_0>;
 		};
 
 		CLUSTER_PD: power-domain-cluster {