From patchwork Wed Feb 26 05:27:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maulik Shah X-Patchwork-Id: 190221 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C564CC4BA0B for ; Wed, 26 Feb 2020 05:27:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9316C24656 for ; Wed, 26 Feb 2020 05:27:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="FediC/v6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725876AbgBZF12 (ORCPT ); Wed, 26 Feb 2020 00:27:28 -0500 Received: from mail26.static.mailgun.info ([104.130.122.26]:13704 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726926AbgBZF12 (ORCPT ); Wed, 26 Feb 2020 00:27:28 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1582694847; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=eMoMfVSLguUE5BmeEgYvuFnEAShHuHkaDufZ1sppJn8=; b=FediC/v69lh3q+a0xKRugeir/UjsjutDjZMyzYmAUaZgg7mbC7+fKlfs/ttxF+R8z/7PSlvM CP1nARlRnhlOaXZjhlHf60EZbRNP5RsXRgzMrdjHGOfaILzhbmQQE/66+wvEwk+bgpYCoHiP 3YXWtcjRai7nWtsL8TQPjrvLt+8= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e5601bf.7f951fd27dc0-smtp-out-n01; Wed, 26 Feb 2020 05:27:27 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 47475C4479F; Wed, 26 Feb 2020 05:27:26 +0000 (UTC) Received: from mkshah-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mkshah) by smtp.codeaurora.org (Postfix) with ESMTPSA id 7A9D0C4479C; Wed, 26 Feb 2020 05:27:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7A9D0C4479C Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=mkshah@codeaurora.org From: Maulik Shah To: swboyd@chromium.org, mka@chromium.org, evgreen@chromium.org, bjorn.andersson@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, agross@kernel.org, dianders@chromium.org, rnayak@codeaurora.org, ilina@codeaurora.org, lsrao@codeaurora.org, Maulik Shah , devicetree@vger.kernel.orgi Subject: [PATCH v7 1/3] arm64: dts: qcom: sc7180: Add cpuidle low power states Date: Wed, 26 Feb 2020 10:57:11 +0530 Message-Id: <1582694833-9407-2-git-send-email-mkshah@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582694833-9407-1-git-send-email-mkshah@codeaurora.org> References: <1582694833-9407-1-git-send-email-mkshah@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add device bindings for cpuidle states for cpu devices. Cc: devicetree@vger.kernel.orgi Signed-off-by: Maulik Shah Reviewed-by: Srinivas Rao L Reviewed-by: Stephen Boyd --- arch/arm64/boot/dts/qcom/sc7180.dtsi | 78 ++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index cc5a94f..2941a7e 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -86,6 +86,9 @@ compatible = "arm,armv8"; reg = <0x0 0x0>; enable-method = "psci"; + cpu-idle-states = <&LITTLE_CPU_SLEEP_0 + &LITTLE_CPU_SLEEP_1 + &CLUSTER_SLEEP_0>; next-level-cache = <&L2_0>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -103,6 +106,9 @@ compatible = "arm,armv8"; reg = <0x0 0x100>; enable-method = "psci"; + cpu-idle-states = <&LITTLE_CPU_SLEEP_0 + &LITTLE_CPU_SLEEP_1 + &CLUSTER_SLEEP_0>; next-level-cache = <&L2_100>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -117,6 +123,9 @@ compatible = "arm,armv8"; reg = <0x0 0x200>; enable-method = "psci"; + cpu-idle-states = <&LITTLE_CPU_SLEEP_0 + &LITTLE_CPU_SLEEP_1 + &CLUSTER_SLEEP_0>; next-level-cache = <&L2_200>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -131,6 +140,9 @@ compatible = "arm,armv8"; reg = <0x0 0x300>; enable-method = "psci"; + cpu-idle-states = <&LITTLE_CPU_SLEEP_0 + &LITTLE_CPU_SLEEP_1 + &CLUSTER_SLEEP_0>; next-level-cache = <&L2_300>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -145,6 +157,9 @@ compatible = "arm,armv8"; reg = <0x0 0x400>; enable-method = "psci"; + cpu-idle-states = <&LITTLE_CPU_SLEEP_0 + &LITTLE_CPU_SLEEP_1 + &CLUSTER_SLEEP_0>; next-level-cache = <&L2_400>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -159,6 +174,9 @@ compatible = "arm,armv8"; reg = <0x0 0x500>; enable-method = "psci"; + cpu-idle-states = <&LITTLE_CPU_SLEEP_0 + &LITTLE_CPU_SLEEP_1 + &CLUSTER_SLEEP_0>; next-level-cache = <&L2_500>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 0>; @@ -173,6 +191,9 @@ compatible = "arm,armv8"; reg = <0x0 0x600>; enable-method = "psci"; + cpu-idle-states = <&BIG_CPU_SLEEP_0 + &BIG_CPU_SLEEP_1 + &CLUSTER_SLEEP_0>; next-level-cache = <&L2_600>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 1>; @@ -187,6 +208,9 @@ compatible = "arm,armv8"; reg = <0x0 0x700>; enable-method = "psci"; + cpu-idle-states = <&BIG_CPU_SLEEP_0 + &BIG_CPU_SLEEP_1 + &CLUSTER_SLEEP_0>; next-level-cache = <&L2_700>; #cooling-cells = <2>; qcom,freq-domain = <&cpufreq_hw 1>; @@ -195,6 +219,60 @@ next-level-cache = <&L3_0>; }; }; + + idle-states { + entry-method = "psci"; + + LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 { + compatible = "arm,idle-state"; + idle-state-name = "little-power-down"; + arm,psci-suspend-param = <0x40000003>; + entry-latency-us = <549>; + exit-latency-us = <901>; + min-residency-us = <1774>; + local-timer-stop; + }; + + LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 { + compatible = "arm,idle-state"; + idle-state-name = "little-rail-power-down"; + arm,psci-suspend-param = <0x40000004>; + entry-latency-us = <702>; + exit-latency-us = <915>; + min-residency-us = <4001>; + local-timer-stop; + }; + + BIG_CPU_SLEEP_0: cpu-sleep-1-0 { + compatible = "arm,idle-state"; + idle-state-name = "big-power-down"; + arm,psci-suspend-param = <0x40000003>; + entry-latency-us = <523>; + exit-latency-us = <1244>; + min-residency-us = <2207>; + local-timer-stop; + }; + + BIG_CPU_SLEEP_1: cpu-sleep-1-1 { + compatible = "arm,idle-state"; + idle-state-name = "big-rail-power-down"; + arm,psci-suspend-param = <0x40000004>; + entry-latency-us = <526>; + exit-latency-us = <1854>; + min-residency-us = <5555>; + local-timer-stop; + }; + + CLUSTER_SLEEP_0: cluster-sleep-0 { + compatible = "arm,idle-state"; + idle-state-name = "cluster-power-down"; + arm,psci-suspend-param = <0x40003444>; + entry-latency-us = <3263>; + exit-latency-us = <6562>; + min-residency-us = <9926>; + local-timer-stop; + }; + }; }; memory@80000000 { From patchwork Wed Feb 26 05:27:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maulik Shah X-Patchwork-Id: 190220 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01B84C4BA0B for ; 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Wed, 26 Feb 2020 05:27:36 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 2794CC43383; Wed, 26 Feb 2020 05:27:35 +0000 (UTC) Received: from mkshah-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mkshah) by smtp.codeaurora.org (Postfix) with ESMTPSA id BABE6C4479D; Wed, 26 Feb 2020 05:27:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org BABE6C4479D Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=mkshah@codeaurora.org From: Maulik Shah To: swboyd@chromium.org, mka@chromium.org, evgreen@chromium.org, bjorn.andersson@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, agross@kernel.org, dianders@chromium.org, rnayak@codeaurora.org, ilina@codeaurora.org, lsrao@codeaurora.org, Maulik Shah Subject: [PATCH v7 3/3] soc: qcom: rpmh: Invoke rpmh_flush for dirty caches Date: Wed, 26 Feb 2020 10:57:13 +0530 Message-Id: <1582694833-9407-4-git-send-email-mkshah@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582694833-9407-1-git-send-email-mkshah@codeaurora.org> References: <1582694833-9407-1-git-send-email-mkshah@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add changes to invoke rpmh flush when the data in cache is dirty. This is done only if OSI is not supported in PSCI. If OSI is supported rpmh_flush can get invoked when the last cpu going to power collapse deepest low power mode. Signed-off-by: Maulik Shah Reviewed-by: Srinivas Rao L --- drivers/soc/qcom/rpmh.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c index 83ba4e0..839af8d 100644 --- a/drivers/soc/qcom/rpmh.c +++ b/drivers/soc/qcom/rpmh.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -163,6 +164,9 @@ static struct cache_req *cache_rpm_request(struct rpmh_ctrlr *ctrlr, unlock: spin_unlock_irqrestore(&ctrlr->cache_lock, flags); + if (ctrlr->dirty && !psci_has_osi_support()) + return rpmh_flush(ctrlr) ? ERR_PTR(-EINVAL) : req; + return req; } @@ -391,6 +395,8 @@ int rpmh_write_batch(const struct device *dev, enum rpmh_state state, if (state != RPMH_ACTIVE_ONLY_STATE) { cache_batch(ctrlr, req); + if (!psci_has_osi_support()) + return rpmh_flush(ctrlr); return 0; }