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[83.9.31.242]) by smtp.gmail.com with ESMTPSA id c11-20020ac2530b000000b004b4cbc942a3sm4332824lfh.127.2023.06.19.09.18.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 09:18:56 -0700 (PDT) From: Konrad Dybcio Date: Mon, 19 Jun 2023 18:18:53 +0200 Subject: [PATCH RFT RFC 1/3] arm64: dts: qcom: sc8280xp: Add lower cluster idle states MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230619-topic-sc8280xp-idle-v1-1-35a8b98451d0@linaro.org> References: <20230619-topic-sc8280xp-idle-v1-0-35a8b98451d0@linaro.org> In-Reply-To: <20230619-topic-sc8280xp-idle-v1-0-35a8b98451d0@linaro.org> To: Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Johan Hovold Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Krzysztof Kozlowski , Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1687191534; l=1687; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=I32j7um6NhN2jAjxwWACUhCcYczpx9OD9HWlBlfpRFA=; b=0b8ZFniFCU6cYHplkHHxQukfuPUxlOA71hmCyW9OJIJTV0N9G95XNLtoemi1Laok9S1n5KQYx 7TeuLTjesYLCJCF7TTPje5T71FtuAuf+nhWM6124/SYTmHo6Zre/alh X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Apart from a total LLCC + APSS power collapse, SC8280XP can also put either the DSU rail (CPU + L3), or VDD_CX in power collapse. Add support for these lower idle states to allow more flexibility. Signed-off-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/q= com/sc8280xp.dtsi index ac0596dfdbc4..d524f851cb53 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -285,7 +285,23 @@ BIG_CPU_SLEEP_0: cpu-sleep-1-0 { }; =20 domain-idle-states { - CLUSTER_SLEEP_0: cluster-sleep-0 { + CLUSTER_SLEEP_L3_PC: cluster-sleep-0 { + compatible =3D "domain-idle-state"; + arm,psci-suspend-param =3D <0x41000044>; + entry-latency-us =3D <2752>; + exit-latency-us =3D <3048>; + min-residency-us =3D <6118>; + }; + + CLUSTER_SLEEP_CX_OFF: cluster-sleep-1 { + compatible =3D "domain-idle-state"; + arm,psci-suspend-param =3D <0x41002344>; + entry-latency-us =3D <3263>; + exit-latency-us =3D <4562>; + min-residency-us =3D <8467>; + }; + + CLUSTER_SLEEP_APSS_OFF: cluster-sleep-2 { compatible =3D "domain-idle-state"; arm,psci-suspend-param =3D <0x4100c344>; entry-latency-us =3D <3263>; @@ -632,7 +648,7 @@ CPU_PD7: power-domain-cpu7 { =20 CLUSTER_PD: power-domain-cpu-cluster0 { #power-domain-cells =3D <0>; - domain-idle-states =3D <&CLUSTER_SLEEP_0>; + domain-idle-states =3D <&CLUSTER_SLEEP_L3_PC &CLUSTER_SLEEP_CX_OFF &CLU= STER_SLEEP_APSS_OFF>; }; }; =20 --=20 2.41.0 From nobody Sun Feb 8 21:41:40 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99B66EB64DA for ; Mon, 19 Jun 2023 16:19:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231384AbjFSQTQ (ORCPT ); Mon, 19 Jun 2023 12:19:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36128 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231967AbjFSQTD (ORCPT ); Mon, 19 Jun 2023 12:19:03 -0400 Received: from mail-lf1-x12b.google.com (mail-lf1-x12b.google.com [IPv6:2a00:1450:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 899D1E72 for ; Mon, 19 Jun 2023 09:18:59 -0700 (PDT) Received: by mail-lf1-x12b.google.com with SMTP id 2adb3069b0e04-4f841b7a697so4341185e87.3 for ; Mon, 19 Jun 2023 09:18:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1687191538; x=1689783538; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=eCJCOnI1yJIgtPY0bSH/Iw3dongLkLZbZa4jU5bzULg=; b=ePl5J5GFFsh+871xAbZME1hNeODYQFBsr/Pf0XGqepVpsc1g7yb6iRA5L+h66bEmwd +fCoNS473AfsfMsi/FXSC59EcVrWlWC9SlM6JjtsJazqZ3KQaRoCI8R8ohZt8P8ugqm9 1vVrw48aQ3dGoA0rACmYQRaIVFcbsxGyw7XYePOANlCgdItNpApuu/Gx6mbxz/fAFNal haHjX3dAUuC9xIm1jroLe9YFQq3/kBJSJznUcUdVUDUF9onHm8TyHxbijkjJTWq751c+ VfOc6pOnIqtvfTewyjSw62LDEO6VW5Mn/+vFCkSnewjm4pn4bxkrrFInvXcVu7/IjKig Ze7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1687191538; x=1689783538; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=eCJCOnI1yJIgtPY0bSH/Iw3dongLkLZbZa4jU5bzULg=; b=OfeCkIqLDDaO48uJxLZG0n8sVzZBo3ufHuhEsyDQMiScBZzAsOE/G7l2Q9ARxhkTEr Jw+eAzzAPfre6aljzxRZcLt8WrxTGrRKsiCkzcnEvHwJJyw2asiUCnnMeMF3+1X8cgaF q5HBfNoIy1IFiCdXUdXRnhxbdlPapgZxzFAoyrsWcVZ8sFDAJh1CAQGGnEBryUcPgood JeDhcGfhfyoAO/c4WMqLFo9tDtAmM3bdbOvNwOg0jJA9CraDsiysujIWLE6f6yLwfRx5 alOlvIBZDgJx2CSakZ5SRic+7ZdxtgT3ZuAugaNwDuidjob+yhx+GDTtvi5uQ5rwuuyh 2XUQ== X-Gm-Message-State: AC+VfDxbqqgl8ZikqVXExgGnQD1zSzQHoUZdcaJCOfUFkAlC3P29gXjL wCCEz6Jk6x+MRoXm68HK63pcAA== X-Google-Smtp-Source: ACHHUZ5Xcmx7sD1zWAAAmVEqIO1fpkl0OmKlLVkGi+D96PTjXo1Z4toW8puq3J09X4ZLp1+5Ip8+Zg== X-Received: by 2002:a19:4412:0:b0:4f8:1e2a:2b55 with SMTP id r18-20020a194412000000b004f81e2a2b55mr5193195lfa.8.1687191537802; Mon, 19 Jun 2023 09:18:57 -0700 (PDT) Received: from [192.168.1.101] (abyl242.neoplus.adsl.tpnet.pl. [83.9.31.242]) by smtp.gmail.com with ESMTPSA id c11-20020ac2530b000000b004b4cbc942a3sm4332824lfh.127.2023.06.19.09.18.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 09:18:57 -0700 (PDT) From: Konrad Dybcio Date: Mon, 19 Jun 2023 18:18:54 +0200 Subject: [PATCH RFT RFC 2/3] arm64: dts: qcom: sc8280xp: Add missing CPU idle states MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230619-topic-sc8280xp-idle-v1-2-35a8b98451d0@linaro.org> References: <20230619-topic-sc8280xp-idle-v1-0-35a8b98451d0@linaro.org> In-Reply-To: <20230619-topic-sc8280xp-idle-v1-0-35a8b98451d0@linaro.org> To: Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Johan Hovold Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Krzysztof Kozlowski , Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1687191534; l=3555; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=KEJh5fKDHpG+tf7FsdNG34aNe2COjzMzqzjlkSjq5mA=; b=EAdzybHN11hL6DoTZDVLIw0L7SbOi69e139T6SXY7Fjnyra2wqywY2P/NKLQ+r5fGg4tHfvw6 DvApguSzEUCApK6v7xQXu7MAXuBYhU13p6VyrVTifD7I5vm31/h+ojP X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Between WFI (C1) and rail power collapse (C4), the Cortex cores on the SC8280XP can also be shut down on their own (C3). Describe that missing idle state. Signed-off-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 36 ++++++++++++++++++++++++++----= ---- 1 file changed, 28 insertions(+), 8 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/q= com/sc8280xp.dtsi index d524f851cb53..b8f2ec9477f5 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -264,6 +264,16 @@ idle-states { entry-method =3D "psci"; =20 LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 { + compatible =3D "arm,idle-state"; + idle-state-name =3D "little-power-collapse"; + arm,psci-suspend-param =3D <0x40000003>; + entry-latency-us =3D <549>; + exit-latency-us =3D <901>; + min-residency-us =3D <1774>; + local-timer-stop; + }; + + LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 { compatible =3D "arm,idle-state"; idle-state-name =3D "little-rail-power-collapse"; arm,psci-suspend-param =3D <0x40000004>; @@ -274,6 +284,16 @@ LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 { }; =20 BIG_CPU_SLEEP_0: cpu-sleep-1-0 { + compatible =3D "arm,idle-state"; + idle-state-name =3D "big-power-collapse"; + arm,psci-suspend-param =3D <0x40000003>; + entry-latency-us =3D <523>; + exit-latency-us =3D <1244>; + min-residency-us =3D <2207>; + local-timer-stop; + }; + + BIG_CPU_SLEEP_1: cpu-sleep-1-1 { compatible =3D "arm,idle-state"; idle-state-name =3D "big-rail-power-collapse"; arm,psci-suspend-param =3D <0x40000004>; @@ -601,49 +621,49 @@ psci { CPU_PD0: power-domain-cpu0 { #power-domain-cells =3D <0>; power-domains =3D <&CLUSTER_PD>; - domain-idle-states =3D <&LITTLE_CPU_SLEEP_0>; + domain-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>; }; =20 CPU_PD1: power-domain-cpu1 { #power-domain-cells =3D <0>; power-domains =3D <&CLUSTER_PD>; - domain-idle-states =3D <&LITTLE_CPU_SLEEP_0>; + domain-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>; }; =20 CPU_PD2: power-domain-cpu2 { #power-domain-cells =3D <0>; power-domains =3D <&CLUSTER_PD>; - domain-idle-states =3D <&LITTLE_CPU_SLEEP_0>; + domain-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>; }; =20 CPU_PD3: power-domain-cpu3 { #power-domain-cells =3D <0>; power-domains =3D <&CLUSTER_PD>; - domain-idle-states =3D <&LITTLE_CPU_SLEEP_0>; + domain-idle-states =3D <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>; }; =20 CPU_PD4: power-domain-cpu4 { #power-domain-cells =3D <0>; power-domains =3D <&CLUSTER_PD>; - domain-idle-states =3D <&BIG_CPU_SLEEP_0>; + domain-idle-states =3D <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>; }; =20 CPU_PD5: power-domain-cpu5 { #power-domain-cells =3D <0>; power-domains =3D <&CLUSTER_PD>; - domain-idle-states =3D <&BIG_CPU_SLEEP_0>; + domain-idle-states =3D <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>; }; =20 CPU_PD6: power-domain-cpu6 { #power-domain-cells =3D <0>; power-domains =3D <&CLUSTER_PD>; - domain-idle-states =3D <&BIG_CPU_SLEEP_0>; + domain-idle-states =3D <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>; }; =20 CPU_PD7: power-domain-cpu7 { #power-domain-cells =3D <0>; power-domains =3D <&CLUSTER_PD>; - domain-idle-states =3D <&BIG_CPU_SLEEP_0>; + domain-idle-states =3D <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>; }; =20 CLUSTER_PD: power-domain-cpu-cluster0 { --=20 2.41.0 From nobody Sun Feb 8 21:41:40 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C491DEB64DB for ; Mon, 19 Jun 2023 16:19:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231477AbjFSQTO (ORCPT ); Mon, 19 Jun 2023 12:19:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36138 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232230AbjFSQTE (ORCPT ); Mon, 19 Jun 2023 12:19:04 -0400 Received: from mail-lf1-x133.google.com (mail-lf1-x133.google.com [IPv6:2a00:1450:4864:20::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D8C0E4A for ; Mon, 19 Jun 2023 09:19:00 -0700 (PDT) Received: by mail-lf1-x133.google.com with SMTP id 2adb3069b0e04-4f76b6db73fso5698303e87.1 for ; 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[83.9.31.242]) by smtp.gmail.com with ESMTPSA id c11-20020ac2530b000000b004b4cbc942a3sm4332824lfh.127.2023.06.19.09.18.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Jun 2023 09:18:58 -0700 (PDT) From: Konrad Dybcio Date: Mon, 19 Jun 2023 18:18:55 +0200 Subject: [PATCH RFT RFC 3/3] arm64: dts: qcom: sc8280xp: Fix up idle state periods MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230619-topic-sc8280xp-idle-v1-3-35a8b98451d0@linaro.org> References: <20230619-topic-sc8280xp-idle-v1-0-35a8b98451d0@linaro.org> In-Reply-To: <20230619-topic-sc8280xp-idle-v1-0-35a8b98451d0@linaro.org> To: Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Johan Hovold Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio , Krzysztof Kozlowski , Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1687191534; l=1802; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=mq7mfTgr9ZtvOEPLMaimjrbNtQBLNamSOSbjgI89DqQ=; b=5zkt0CsawhYgMHbQ+uC07azdfetKN9uRQNsiWgI4WMR5ahWeGTk+03QDZRCGWFHV2YpGTc64b bDozYqakncYDn33+Klx7kP0OU9HayubPhGh42pPDLv++NgW8eB+lqCg X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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/q= com/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 =3D "arm,idle-state"; idle-state-name =3D "little-rail-power-collapse"; arm,psci-suspend-param =3D <0x40000004>; - entry-latency-us =3D <355>; - exit-latency-us =3D <909>; - min-residency-us =3D <3934>; + entry-latency-us =3D <702>; + exit-latency-us =3D <915>; + min-residency-us =3D <4001>; local-timer-stop; }; =20 @@ -297,9 +297,9 @@ BIG_CPU_SLEEP_1: cpu-sleep-1-1 { compatible =3D "arm,idle-state"; idle-state-name =3D "big-rail-power-collapse"; arm,psci-suspend-param =3D <0x40000004>; - entry-latency-us =3D <241>; - exit-latency-us =3D <1461>; - min-residency-us =3D <4488>; + entry-latency-us =3D <526>; + exit-latency-us =3D <1854>; + min-residency-us =3D <5555>; local-timer-stop; }; }; @@ -324,9 +324,9 @@ CLUSTER_SLEEP_CX_OFF: cluster-sleep-1 { CLUSTER_SLEEP_APSS_OFF: cluster-sleep-2 { compatible =3D "domain-idle-state"; arm,psci-suspend-param =3D <0x4100c344>; - entry-latency-us =3D <3263>; + entry-latency-us =3D <3638>; exit-latency-us =3D <6562>; - min-residency-us =3D <9987>; + min-residency-us =3D <9826>; }; }; }; --=20 2.41.0