From nobody Fri Sep 25 21:41:03 2026 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 64D20472F7C for ; Tue, 8 Sep 2026 08:31:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788856279; cv=none; b=dpM7TeZrwrIo0rLSEBMarImxK1R87d/+WotbPck8zsf/Nj48VjY/xw/8NqwHi8UINkhc3sFSnlHh2fZcCF2P02UEYaHsEVjQnPAurKT3jbmEyguif6IscAjDVhnjBvK0jSkwOT++5ZsYf8faav82oQ0OcdOH9fbgnEgbVHApE9Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788856279; c=relaxed/simple; bh=K0Jqcu6iMw3kPQLw07nU3dgEc+RfrtZg3NeaZIDm+rs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YcfRc31/bThNN0ceidSzYslBQ6BioXQbK4VP6fle3VYQbz2GdhyGnEkRLD2nfebgu3PVCEGPnzvVuXvN+doi4eHmBYkW+dHRwY+6fwGzyKe0GueBpKDvf1OfM6Cx/MtaNk+TOJcicjTIXdT1TIISyOKlGoqXpluWdSj5ZFlYVyw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=D2TGJ0Vw; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=TFUEz6Fh; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="D2TGJ0Vw"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="TFUEz6Fh" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6886LmpA2502323 for ; Tue, 8 Sep 2026 08:31:15 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= D7bGYpclRSIBS3LW8im3saKqNsoRXecyOy64DApXOHY=; b=D2TGJ0VwOMellRoo d5+n/8ZrXOGMnv1E1S7PelFzj3l6FYwzxv44nFXExX/kK6Sbz0KkL5WWsImBf0Ab LBU4WMjyO8vnaDwmu4gYNrwJuv4Qb9Tuv32+clNeIw+ai+++4amrrsTpEnspA2pm +rEfX6bVDWZ7KGPt4xLVwmF3+mF5HtqzGYHuXflZQM14En3vECgovCY0L1b+LNOX JT+2aLqAqGVh2lSJ5+fbyruN783riokQOSQcwsWOf3Z1CaGTdVuRaKzKWzPAOaaO EEGx8kKQNgqrbyiJ0etNJrU/mo9R5WRaLDoTZgYQAN2A/bCIsaTOFe45AJi7MrId iX3dHw== Received: from mail-pj1-f69.google.com (mail-pj1-f69.google.com [209.85.216.69]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4gjcv7gjsv-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 08 Sep 2026 08:31:15 +0000 (GMT) Received: by mail-pj1-f69.google.com with SMTP id 98e67ed59e1d1-39533bb224cso1250155a91.3 for ; Tue, 08 Sep 2026 01:31:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1788856275; x=1789461075; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=D7bGYpclRSIBS3LW8im3saKqNsoRXecyOy64DApXOHY=; b=TFUEz6FhOeYlFdzQWgNs2LSO/ZIsPNuTln+L9ZiAIomOXQxqDHIdudWL0+r60TyEZQ rLcSoeWqYtEzALng7B4WcIsFulgAW88VJA4zjDcKJGpzgzJVvgFq0GI4lXKRmhXq2BQd 6lH2oHK6pjqbPN2/y35s1Nx2wAl5r6Vo9Bi3XLUDpeuB2sy1wkK3T5XE/7BYR1tfE9ut qGm3lv158V3ykGftFK0wiSDbSykzl/3dsbegq9YzbQUJIGhCPz9Yf9lq/N+hROu2HlRX 19Zqxd4btZGsLouh/5oCOhGogIgxw33RuzF+0LbSdCKaz6Pt3evpYl60nS6kNT4Kj0/w 14sQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788856275; x=1789461075; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=D7bGYpclRSIBS3LW8im3saKqNsoRXecyOy64DApXOHY=; b=EscNMDTVZfG/TEF7kkhAPnjXNuwLgLQGijUJ15d+PcJvsssBdIJbhqdbSgRPAJrG8g O1f/xlAzwoPAmqAZ/M+mchDfzqRtO/8W9Orp+Xk2irk3WjvWk+QkSmTfubSLAxei1XUv knBM5uwIjH2pJz8DQwUL+8TwEwSgWH76n8XojTfHESyaUpaBMhMs6j/egGqsM3dMgh5l phs5nVzCbLfsbdpKwjjL5ulpfjAbbAre4f1Xpb8xf288n9fgb0s0eYnT/VE5y0TBZRSz nTp5eP85iqDKZQ9rCGTIovwuV/eYSyZ7/s2TgOXu6+iAjHT+78aC99teRQVBXmg1ykbM gIpQ== X-Gm-Message-State: AFuF++m0WlRfo2t/hhZ+HG+xqNsWNtAidY7JnpDwACjS9uAQjnd+fXX7 jdcSLrkM7OVzNdlIgGkSMkikRBa/lc0G22xKQtg9BpJVrULp+QCMCjhNgFeX9WwS7WXsIbZQ0P5 CxpE4QGtlDAsXYD2Wp3wgF36CyAFAucSXaRCgco4TwuQwOSzgXzyL/Yxa/0L4lQ7kji0zSUSpw7 U= X-Gm-Gg: AYBFou0MHjUr/7SxQFT+cLl2HVWlXGbMJ0kbfFh7tQRopkzNZX5yTU4bvM75kmulZpQ U+oGUG35apHIFZXL18poHHbc3EARR27Sl5Pzy43urydHoX/Q69jpNCeU5MIT7dvfdI4FytY8F7e TFqwXuNiqlNZMMwlwTF8riZEjmqrm8qPlirM7Vwxxqok/FIlSTSf45ksWBMFfw2WmJUFK/v50J3 gYD+88B0fTbop59e8qHO3QzPrh3/2ncF/Ggk35IGuYSZ2Z8rMKmmLW818DSuA/1wgKbO9pgpZAB nXs1E+53oPRdI6Khom0gwa7vlaUaghL59GIGpidbsySXkGv0jdYuR1AmK+M9Tdct0lKbdNkkxsr Po+0w4G6SE3MCg25psXCNwYFONIcPp7y9DR27T4F0zXbxMvSw2GBvyJgZ4AFO11R+piBiQieF93 svAdgOBQswKK/6guY= X-Received: by 2002:a17:90b:580e:b0:398:c3c9:d0ae with SMTP id 98e67ed59e1d1-39b25ee242bmr39317867a91.0.1788856274677; Tue, 08 Sep 2026 01:31:14 -0700 (PDT) X-Received: by 2002:a17:90b:580e:b0:398:c3c9:d0ae with SMTP id 98e67ed59e1d1-39b25ee242bmr39317828a91.0.1788856274197; Tue, 08 Sep 2026 01:31:14 -0700 (PDT) Received: from hu-anancv-blr.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com. [103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3339bdf26c5sm34458641eec.27.2026.09.08.01.31.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2026 01:31:13 -0700 (PDT) From: Ananthu C V Date: Tue, 08 Sep 2026 14:00:28 +0530 Subject: [PATCH v2 1/2] arch_topology: seed capacity_freq_ref with boost-aware max freq Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260908-schedutil-boost-frequency-handling-v2-1-25312a713699@oss.qualcomm.com> References: <20260908-schedutil-boost-frequency-handling-v2-0-25312a713699@oss.qualcomm.com> In-Reply-To: <20260908-schedutil-boost-frequency-handling-v2-0-25312a713699@oss.qualcomm.com> To: Vincent Guittot , Sudeep Holla , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Viresh Kumar Cc: linux-kernel@vger.kernel.org, driver-core@lists.linux.dev, linux-pm@vger.kernel.org, Ananthu C V X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788856266; l=3317; i=ananthu.cv@oss.qualcomm.com; s=20260903; h=from:subject:message-id; bh=K0Jqcu6iMw3kPQLw07nU3dgEc+RfrtZg3NeaZIDm+rs=; b=iPjJZVEcGt28pqL7LCCRww1bUy4MNe2vsZJkVHCywrOli4vGSOgaKJYiiGctaKkuYm7gHHIXr 0fMqlN8duvKCN3/+krOMZidWCSYS9MOMkQdSRAIQw9ELK3pVdXloS2H X-Developer-Key: i=ananthu.cv@oss.qualcomm.com; a=ed25519; pk=gutNfLSMVTRkB+MxVviMFq9I07C5qPe9xHY2J5XCMpo= X-Authority-Analysis: v=2.4 cv=CMEamxrD c=1 sm=1 tr=0 ts=6a9fc7d3 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=36zNjiBI7bMVG0EHEW0A:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA4MDA4OSBTYWx0ZWRfX6jJOXVk5eD1a LPskqfHfnO+yQ0KiUzeOegy4eIuzcRXXUei3H1CjHzYzI+Y+nR2bM65McUncLmkRri2PMzdRBHq RxNjvI7SrZ1/HAB5nVckrWkYw3lfrjU= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA4MDA4OSBTYWx0ZWRfX3BFZw6Vw/+O5 ZvAr2R9P74lF+G6WBMSAMkL9CQ3YHDlW/Skf9Y/s51SiPI97RRUZYj+tvT+yyL104+qD8IsugR9 xeCSY1VL0lpPM/YVN/g54KT2y4pp871Mny/D8BvGAb/OWyTYeTqPY3gjD/fV/Z+BCRrS+l+R2uf cOjDo3KkpcjtAX6eqeqW7QLOhIP3rBTQFFavvyUcapZFSrcAdCfxqfWTHSFlGz6uALr6p8qEUs9 U2EMGlga+hNI5YgJjuigJ1Z5L2LExKqpC0fIE9cX5NJkp/gZ/D1flXvJGKVRueOyQY6+x/CHMae p1Xf8l/A2IwevRNP0sPtbTzkIfQb6mLkL63yPjRwOtF2KlBrU71jKMjdgypGuaIiVh3Q4DVOyhO GD9knBtzvf5z5SIm98Ui359a9y8s+/ciY1dBWOhPGrN09cNTr+ZHQR6ht1eTRv0WblailEVQBFN swxUw9WRz0m9oP19YjA== X-Proofpoint-ORIG-GUID: 2q-2hOt6zdaieUogizrryqyfASPvjCLz X-Proofpoint-GUID: 2q-2hOt6zdaieUogizrryqyfASPvjCLz X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-08_01,2026-09-07_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 spamscore=0 suspectscore=0 adultscore=0 malwarescore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609080089 capacity_freq_ref, the per-CPU frequency-invariance reference used by schedutil, is seeded from policy->cpuinfo.max_freq at policy creation. If boost frequencies are filtered out of the frequency table because boost isn't yet enabled at boot, max_freq only reflects the non-boost ceiling, so capacity_freq_ref never learns about boost frequencies for the policy's lifetime. Enabling boost later raises policy->max, but capacity_freq_ref stays stale, leaving schedutil unable to scale utilization or target a frequency above the non-boost maximum. Track the highest frequency in the table regardless of boost state (max_table_freq) and seed capacity_freq_ref with max(cpuinfo.max_freq, max_table_freq), so the invariance reference is boost-aware from boot regardless of whether boost is currently enabled. Runtime enforcement, still handled by policy->max, is unaffected. Suggested-by: Vincent Guittot Signed-off-by: Ananthu C V Tested-by: Oleg Keri # Lenovo Yoga Slim 7x Gen 11 --- drivers/base/arch_topology.c | 3 ++- drivers/cpufreq/freq_table.c | 6 ++++++ include/linux/cpufreq.h | 1 + 3 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 8c5e47c28d9a..da94f77441da 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -404,7 +404,8 @@ init_cpu_capacity_callback(struct notifier_block *nb, cpumask_andnot(cpus_to_visit, cpus_to_visit, policy->related_cpus); =20 for_each_cpu(cpu, policy->related_cpus) { - per_cpu(capacity_freq_ref, cpu) =3D policy->cpuinfo.max_freq; + per_cpu(capacity_freq_ref, cpu) =3D max(policy->cpuinfo.max_freq, + policy->cpuinfo.max_table_freq); freq_inv_set_max_ratio(cpu, per_cpu(capacity_freq_ref, cpu) * HZ_PER_KHZ); } diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index ea994647abc8..4984142dc08a 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -33,11 +33,15 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_poli= cy *policy) struct cpufreq_frequency_table *pos, *table =3D policy->freq_table; unsigned int min_freq =3D ~0; unsigned int max_freq =3D 0; + unsigned int max_table_freq =3D 0; unsigned int freq, i; =20 cpufreq_for_each_valid_entry_idx(pos, table, i) { freq =3D pos->frequency; =20 + if (freq > max_table_freq) + max_table_freq =3D freq; + if ((!cpufreq_boost_enabled() || !policy->boost_enabled) && (pos->flags & CPUFREQ_BOOST_FREQ)) continue; @@ -57,6 +61,8 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy= *policy) if (policy->cpuinfo.max_freq < max_freq) policy->cpuinfo.max_freq =3D max_freq; =20 + policy->cpuinfo.max_table_freq =3D max_table_freq; + if (min_freq =3D=3D ~0) return -EINVAL; else diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 35ce665edfd8..3f3b1380251a 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -45,6 +45,7 @@ enum cpufreq_table_sorting { struct cpufreq_cpuinfo { unsigned int max_freq; unsigned int min_freq; + unsigned int max_table_freq; /* Highest valid frequency in the table */ =20 /* in 10^(-9) s =3D nanoseconds */ unsigned int transition_latency; --=20 2.43.0 From nobody Fri Sep 25 21:41:03 2026 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC1514749CD for ; Tue, 8 Sep 2026 08:31:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788856282; cv=none; b=YcB+pkQHgZHYXEkU+cOf5JJgQML/73ZTpwZOYun2jH9/UC+wU/xzih+ayUPtcaEpHUi1FMSaw5mBSkbycA8ZEQ1zR9ti0mOgpQNAUcJa6Fap4rNt96x3m5WSANEpKZ5X2cNZvwF6rENj+Gj/WUlxKFDJs+p/8tqAhzmu4Gl/mGo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788856282; c=relaxed/simple; bh=VOWmJwlWc7SYqz6NviqAALXf0GiO7jEmiavJ00IcvEA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=ArAyaGysFYrKa0klk9g8Xe4EDjRFvKrPn7HyGHCaHdVV23LmMXj+COxxrRhw3X4l1oVG9eTWStF9evkNc/CoUt5l6PLbrbl5W8QYQkoE+zTNqSt6Hl3B6cD66HY1D9lX1L9DR7tDuCHHmQbwsnAkwiHm2olpQErUUhVO6z+73/E= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=AfNqrdGk; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=NfZBovMN; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="AfNqrdGk"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="NfZBovMN" Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6886LniP2172672 for ; Tue, 8 Sep 2026 08:31:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 2qyfnFZk0oGAhMugpkxnEz1t5sj5W+rRALTd9m5wJm4=; b=AfNqrdGkz0PqCk+j kqzsG7hn/DvYX+a4Uhfnm9TAB2xGQftUNVupUuoZCWdEAWlW+YvEYKjEk1al4HQU QXLCF8vdI+uEWo3a6ya77ksCLb/Vl8EQgg7VACRyf1mpOBHcTxUUzchBHPNK9OlW u5bS6lzoznHYgdhg54XN5s58RZNu1xwO4i+kX67Y+FFXtrwrOTCgRrRes3KO1atw tN3vwPZ9+tqDITYequj4rynVrIzEb9rAJldP9lnJpbKaK9p9W2MF7RDyf2nuwxgC 41uafjaMwi+iAgv24pwGE6SJB2JTWxPXAq6GiG3LY1PSqGVYk3HNydHTUT7Fw8v7 nDWPvg== Received: from mail-ot1-f70.google.com (mail-ot1-f70.google.com [209.85.210.70]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4gj1rrjgre-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 08 Sep 2026 08:31:19 +0000 (GMT) Received: by mail-ot1-f70.google.com with SMTP id 46e09a7af769-7f4e0b45e4bso4583726a34.2 for ; Tue, 08 Sep 2026 01:31:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1788856278; x=1789461078; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=2qyfnFZk0oGAhMugpkxnEz1t5sj5W+rRALTd9m5wJm4=; b=NfZBovMNpUcInnAIsSjNO29mZfpL5/jFjncc+iECkJobQNO4mIrwpYgFXZGuRiR4QD qYsGRv3kVRgDeOv0rnwGCj2EZaSuF0F5Pfetwsh5u8VxYBBAQpzaeR7tc+g1pHhVgGgi 0pkArFyr5Idh1Z+Gn+BhHUesdWP7Q/VfMj9p37iPMVukzZ5ctz3hztOrHP9uBE4RavC6 JJiwwyAcAcqW8IwllUv/sB1Lpzu7FutjlCXBHFuCwGpRvA9afRG1KtqvPZPULcWZHefJ y/wY25MWsugnQoTMCIBzGuMYx+VaTHaypll7+C+EFBk90pEOSD4IyiA3UIaWikMkHyEG 25/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788856278; x=1789461078; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=2qyfnFZk0oGAhMugpkxnEz1t5sj5W+rRALTd9m5wJm4=; b=gTzwdtDKehbC4z+Sd5Umk8V/XQVZJPWLb76WCBfW5QxxcDZbCylRsXFtGfdjUyJS9V 0t8rp2V0xBrU8T+m9ut/zhcOmP4JngzD7pWzaHZ6TVyMMve6X0qXBH6uLey11Bp7jU19 ZUytBa6pOyaXpc8Ns9PXQ365bgfS9zKh4ScvZSmuPeRKPJwKyTqqPZ0aYBLijzxKNNTh Kasmqg4CYwHfB8hFcq5fSRkvIFIE+gj29vplMgvDB7clIkW97sFKl2Is0808AsDc8OXL EjCHDqGu4/ljn3iITKueJGPHOWXgSqywq7UPU1hyFkhE8101aNNO4hpZ3Hg9m9wXNP/G 2SCw== X-Gm-Message-State: AFuF++mTWHjHQTJJizGL4IT0T4ITlZLyp9rxDka9kvBJyhWLc5xZ4QJG rqmutbO08vEPxcQc43kB8uOpluanxKppfDGW8VVaolrfP23cGfY41bNvseIn7Fg8WIWObuMrfaG JJ5DzqDrY/iwZvTDJe3FxvGZmUVAie9EcYZ4a+r71LwK+Ucg5+xqQLjh9k9XwdX5KDts= X-Gm-Gg: AYBFou0ApgQ6BBqjvnTkjvAbWwCGEK8TXICTckM+NNDQJgWnX1C2bL/2ikhD46sl7gf 0NUlO9pWyiaTqv4e0kXC2TKh8frBY9kw6gU3IyyrftuUiEm5QXaMIWTfazRgLTQjqCDgOH0oukF NtbS6V8NmpXYsSoz6PK9hQzU6Rh5JnVVAWlv4Q4DrJrUBAvZeTjz22y/wnroID1UGgwrKFpHunl 8MtK7mIrOaSqxTxWGgYZkBNzi/LbaWWPDSCBx7nelow14VdC4R3SY0M8AeM+g36642n9XlsXX7v zacljpMp3HJKZwB+yFGEA2TazgvQCzPxxXGjajAZjVfBnU+Padtw4qy4ZmqvRgoGwsZekpAbHAH 9xdQoTcutRyBrQ8i6F/NLzjwWebbdQurk/BEzanNcswCBnzpiaosnweCmwTuz3TsxFtH8pofA+O JcCY03vVTIFlNQSOM= X-Received: by 2002:a05:6830:3509:b0:7dc:c749:ade3 with SMTP id 46e09a7af769-7fa1deab695mr17694339a34.3.1788856278453; Tue, 08 Sep 2026 01:31:18 -0700 (PDT) X-Received: by 2002:a05:6830:3509:b0:7dc:c749:ade3 with SMTP id 46e09a7af769-7fa1deab695mr17694327a34.3.1788856278032; Tue, 08 Sep 2026 01:31:18 -0700 (PDT) Received: from hu-anancv-blr.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com. [103.229.18.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3339bdf26c5sm34458641eec.27.2026.09.08.01.31.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2026 01:31:17 -0700 (PDT) From: Ananthu C V Date: Tue, 08 Sep 2026 14:00:29 +0530 Subject: [PATCH v2 2/2] cpufreq: fix schedutil not returning to non-boost freq when boost is disabled Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260908-schedutil-boost-frequency-handling-v2-2-25312a713699@oss.qualcomm.com> References: <20260908-schedutil-boost-frequency-handling-v2-0-25312a713699@oss.qualcomm.com> In-Reply-To: <20260908-schedutil-boost-frequency-handling-v2-0-25312a713699@oss.qualcomm.com> To: Vincent Guittot , Sudeep Holla , Greg Kroah-Hartman , "Rafael J. Wysocki" , Danilo Krummrich , Viresh Kumar Cc: linux-kernel@vger.kernel.org, driver-core@lists.linux.dev, linux-pm@vger.kernel.org, Ananthu C V X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788856266; l=3709; i=ananthu.cv@oss.qualcomm.com; s=20260903; h=from:subject:message-id; bh=VOWmJwlWc7SYqz6NviqAALXf0GiO7jEmiavJ00IcvEA=; b=QoFQI5h8STWQnYAFONEZGcYGQQhEdPSUuU+INfo1+hC7d3erZB+BtVGKXmjIdQ77emFJ59KNZ dKQfvNUOhxbBqufd6L3zsmP5d8xQmc2GdS5ufRnw7cHyrazL0/LwrGN X-Developer-Key: i=ananthu.cv@oss.qualcomm.com; a=ed25519; pk=gutNfLSMVTRkB+MxVviMFq9I07C5qPe9xHY2J5XCMpo= X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA4MDA4OCBTYWx0ZWRfX8eX0VgRLRcY9 Dz8KXCMPdQEI9SclM6IINsfzbbjrAhbFQuYXkKevEs/7cAjjnH0o5kOoKUpcu5i8rX1Yx8R7oAI 7h0u++E1N7HseCCCkUJhCAFCzvrr4bU= X-Proofpoint-GUID: FLe3MTv8IUVJ9N8ML0e2WPhQTjmDC-pj X-Authority-Analysis: v=2.4 cv=NsjhtcdJ c=1 sm=1 tr=0 ts=6a9fc7d7 cx=c_pps a=7uPEO8VhqeOX8vTJ3z8K6Q==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=fUeqwVvmJro1Iw4YaasA:9 a=QEXdDO2ut3YA:10 a=EXS-LbY8YePsIyqnH6vw:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA4MDA4OCBTYWx0ZWRfX5lKL1lbH2X4a y/Hc/3Bwth5unPKeYTcR+wAexXQz5AhACo1+oS5k47Lya0EKDejyenAFWM4RJv1SzyDIFi+174n C7aUS+ox2NDbwRAO5CVX+DwwNgO4R+YV7Rqktj9M5D0nYqiNOGDbRovCLQxnH17q7E+zfTx91L9 19Fjulvnv+abpFBbbl0Qyfgsp7BLtjVTWpqzBCpudQ83GCk805hAsNteGIB04t/RwqYnm1YRpbD +ozwhJmdkuUQuBaLINrWx9qZKfNnqj8x0yQvu6pm+ixU9hwaJEpu6XGC+qrpW0MbMNk70T+cxRt CkSYiaYK0hUQsE1B9QJuNYJs4mmO5x6c30ySlgLxJyfkw4AgWINR6rZUocO6O4ukWPTwkQ61F2D GXorqyvUjP1avibTYUu193jqH5Er3Ej/I4LfNHDlfiB0Psg7HlGkO7mmsDpdaGpZi1IkqrX0NAO Kq8srk6/It3kNJxsYzw== X-Proofpoint-ORIG-GUID: FLe3MTv8IUVJ9N8ML0e2WPhQTjmDC-pj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-08_01,2026-09-07_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 phishscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 spamscore=0 adultscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609080088 Commit 538b0188da46 ("cpufreq: ACPI: Set cpuinfo.max_freq directly if max boost is known") introduced a guard for cpuinfo max updates to only increase, to preserve driver-set values above the freq table maximum, causing cpuinfo max to be stuck at boost frequency even when boost is disabled. Unconditionally track the highest non-boost frequency (max_base_freq) in the freq table. When a freq table is available, use max_table_freq/ max_base_freq instead of cpuinfo->max_freq to control boost values, so the value can decrease again when boost is disabled. Fixes: 538b0188da46 ("cpufreq: ACPI: Set cpuinfo.max_freq directly if max b= oost is known") Signed-off-by: Ananthu C V Tested-by: Oleg Keri # Lenovo Yoga Slim 7x Gen 11 --- drivers/cpufreq/cpufreq.c | 14 +++++++++++++- drivers/cpufreq/freq_table.c | 5 +++++ include/linux/cpufreq.h | 1 + 3 files changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 0d0df986fa3d..a13e72711597 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -574,6 +574,7 @@ static ssize_t show_local_boost(struct cpufreq_policy *= policy, char *buf) =20 static int policy_set_boost(struct cpufreq_policy *policy, bool enable) { + unsigned int max_freq; int ret; =20 if (policy->boost_enabled =3D=3D enable) @@ -587,7 +588,18 @@ static int policy_set_boost(struct cpufreq_policy *pol= icy, bool enable) return ret; } =20 - ret =3D freq_qos_update_request(&policy->boost_freq_req, policy->cpuinfo.= max_freq); + if (policy->freq_table) { + max_freq =3D enable ? policy->cpuinfo.max_table_freq : + policy->cpuinfo.max_base_freq; + + if (!max_freq) + /* when the freq table contains only boost frequencies */ + max_freq =3D policy->cpuinfo.max_table_freq; + } else { + max_freq =3D policy->cpuinfo.max_freq; + } + + ret =3D freq_qos_update_request(&policy->boost_freq_req, max_freq); if (ret < 0) { policy->boost_enabled =3D !policy->boost_enabled; cpufreq_driver->set_boost(policy, policy->boost_enabled); diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c index 4984142dc08a..7e183e16162d 100644 --- a/drivers/cpufreq/freq_table.c +++ b/drivers/cpufreq/freq_table.c @@ -34,6 +34,7 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy= *policy) unsigned int min_freq =3D ~0; unsigned int max_freq =3D 0; unsigned int max_table_freq =3D 0; + unsigned int max_base_freq =3D 0; unsigned int freq, i; =20 cpufreq_for_each_valid_entry_idx(pos, table, i) { @@ -42,6 +43,9 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy= *policy) if (freq > max_table_freq) max_table_freq =3D freq; =20 + if (!(pos->flags & CPUFREQ_BOOST_FREQ) && freq > max_base_freq) + max_base_freq =3D freq; + if ((!cpufreq_boost_enabled() || !policy->boost_enabled) && (pos->flags & CPUFREQ_BOOST_FREQ)) continue; @@ -62,6 +66,7 @@ int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy= *policy) policy->cpuinfo.max_freq =3D max_freq; =20 policy->cpuinfo.max_table_freq =3D max_table_freq; + policy->cpuinfo.max_base_freq =3D max_base_freq; =20 if (min_freq =3D=3D ~0) return -EINVAL; diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 3f3b1380251a..419c71ccff7c 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -46,6 +46,7 @@ struct cpufreq_cpuinfo { unsigned int max_freq; unsigned int min_freq; unsigned int max_table_freq; /* Highest valid frequency in the table */ + unsigned int max_base_freq; /* Highest non-boost frequency in the table = */ =20 /* in 10^(-9) s =3D nanoseconds */ unsigned int transition_latency; --=20 2.43.0