From patchwork Fri Jun 5 21:33:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sibi Sankar X-Patchwork-Id: 11590573 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DAE8590 for ; Fri, 5 Jun 2020 21:34:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C1F142065C for ; Fri, 5 Jun 2020 21:34:33 +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="Z/mM6ZpL" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728515AbgFEVed (ORCPT ); Fri, 5 Jun 2020 17:34:33 -0400 Received: from m43-7.mailgun.net ([69.72.43.7]:37290 "EHLO m43-7.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728519AbgFEVec (ORCPT ); Fri, 5 Jun 2020 17:34:32 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1591392872; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=tNpNYJfeY31tX6QoJHuekSR2zEnXnTIqNOEEGa1XSlQ=; b=Z/mM6ZpLyJuXu/xLHPsAF84OWtGzy8xzNhUgmAYYI67fDDTV/ggPb19sIkCC7hmvaHrCKJui bn7/29NKZpeoqRH6ikN6+bfQSqZ/bz0yDrA17X4W2gP/MdzsKf7arJE3KgjYFVkJmJmrG9UV 2c/DNrJEBEpl78lizUscPHM5vWM= X-Mailgun-Sending-Ip: 69.72.43.7 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 smtp-out-n06.prod.us-east-1.postgun.com with SMTP id 5edaba5976fccbb4c87aa0e3 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Fri, 05 Jun 2020 21:34:17 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 86D1FC4339C; Fri, 5 Jun 2020 21:34:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from blr-ubuntu-253.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: sibis) by smtp.codeaurora.org (Postfix) with ESMTPSA id D37DCC433CA; Fri, 5 Jun 2020 21:34:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org D37DCC433CA 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=sibis@codeaurora.org From: Sibi Sankar To: viresh.kumar@linaro.org, sboyd@kernel.org, georgi.djakov@linaro.org, saravanak@google.com, mka@chromium.org Cc: nm@ti.com, bjorn.andersson@linaro.org, agross@kernel.org, rjw@rjwysocki.net, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, dianders@chromium.org, vincent.guittot@linaro.org, amit.kucheria@linaro.org, lukasz.luba@arm.com, sudeep.holla@arm.com, smasetty@codeaurora.org, Sibi Sankar Subject: [PATCH v6 5/5] cpufreq: qcom: Disable fast switch when scaling DDR/L3 Date: Sat, 6 Jun 2020 03:03:32 +0530 Message-Id: <20200605213332.609-6-sibis@codeaurora.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200605213332.609-1-sibis@codeaurora.org> References: <20200605213332.609-1-sibis@codeaurora.org> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Disable fast switch when the opp-tables required for scaling DDR/L3 are populated. Signed-off-by: Sibi Sankar Reviewed-by: Matthias Kaehlcke --- v6: * No change v5: * Drop dev_pm_opp_get_path_count [Saravana] drivers/cpufreq/qcom-cpufreq-hw.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c index 8fa6ab6e0e4b6..56f01049fd3a3 100644 --- a/drivers/cpufreq/qcom-cpufreq-hw.c +++ b/drivers/cpufreq/qcom-cpufreq-hw.c @@ -158,6 +158,8 @@ static int qcom_cpufreq_hw_read_lut(struct device *cpu_dev, } else if (ret != -ENODEV) { dev_err(cpu_dev, "Invalid opp table in device tree\n"); return ret; + } else { + policy->fast_switch_possible = true; } for (i = 0; i < LUT_MAX_ENTRIES; i++) { @@ -307,8 +309,6 @@ static int qcom_cpufreq_hw_cpu_init(struct cpufreq_policy *policy) dev_pm_opp_of_register_em(policy->cpus); - policy->fast_switch_possible = true; - return 0; error: devm_iounmap(dev, base);