From mboxrd@z Thu Jan 1 00:00:00 1970 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 57DDD27E1DC for ; Wed, 19 Aug 2026 13:46:17 +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=1787147178; cv=none; b=Mipav8VTYe2ZvOTYvrFNrbGWlCaUkYI04IPF10DE7CgQx4CJkBeKdG984srjUSICCM152bK3YkablhfUH5/FI3Iyqczr8Efwm7NVyzh1o/1FWC2wjl/yNHIufeBvJ8SpD4NHxJeNW94BxbNh9ewPcRhCZirR4qaQhtqUbDuTJDo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787147178; c=relaxed/simple; bh=JrgZgAdQLR6ih2rwHkEx/8hoXoYf0/e5TvS2g/FwOrY=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=RxMmP82yWoDiYT7k3UsVsWP43Z2ld6RWuCD1gr8FWZ3H0J1VFhv7LZ94vhGb+cP0rvJEY0ioWEMJd1Tc6Yc9oVuLP8Pf8GqW+415lIH0c7UMzklyfgNXAy1sh9QvTsSCX4/onRLv8d2o4PMi+dZgdWVjDVbgIRSVGxL4OfP2gk4= 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=RLBqh6n2; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=P/y17HFC; 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="RLBqh6n2"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="P/y17HFC" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 67JD0QUt372665 for ; Wed, 19 Aug 2026 13:46:16 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= wniemGQFKfKH7IbJvereJvyJXicbs4JLShPnfXg4wK0=; b=RLBqh6n2uJF2VL+U iui7KzYDo7dgqNhhMKZgTzlaoybAx1F87ZTXAD+76rfHfAxecYWwXYiZfz3cNCMJ 6LVcaS9cu7/RL1kKssBsaO1SNzkkrc2yeCxMwwGVDtdyhEVu6QzyDgnDcm5LbL+P LHdIqn5AwDx6zUH7juz/8fZFvCE5lgIUTWYn/a4FpHskVE067oT7sKYRQS6YTqBw paquzwiSZDp5Hi5YZZKpSOp71q52T6ZSY1RCq2R2khp2fuNLoaxy4PAYfOqFJjDI s85eNcTY1e8//eGA+RptGazQYOflpfwDWNcMO3T7VG52rAbtz1gxBG1FnxpOuTT2 KCASww== Received: from mail-qk1-f198.google.com (mail-qk1-f198.google.com [209.85.222.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4g4yfkbgyk-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 19 Aug 2026 13:46:16 +0000 (GMT) Received: by mail-qk1-f198.google.com with SMTP id af79cd13be357-92eebb130dcso10366585a.1 for ; Wed, 19 Aug 2026 06:46:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1787147176; x=1787751976; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=wniemGQFKfKH7IbJvereJvyJXicbs4JLShPnfXg4wK0=; b=P/y17HFCc1/y6nXi1KPVpBjgZTVAMTpQjmG3dEfl7nGKebtzTdPpFDzzl74BXpVTio WVfX4kfrvKP28llYcOuVgFc2+dGEwj6RjXD01TdDn5Nal5YEcYwe+VS9w62x4ZjSdd+B esdg11pEaNQLUlaNXNDW1WAEwuWfk2OZtJzKMZnwgM2Mw9nxGmpvmVKds7k+7g0+niI7 XXWRKcwed8N2Lwz8szk/MHKmodH9CrR23HjOxWgXEUE1hlRHn1bdbXeVlk+Yhg6IK493 Mb7Ynqkbj1BG/y9/wbwbVqdJkTbMh9sMEHlsUPsFhO8qKQ8/y5pGiRKctrx/DLP6KQqd 2bXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787147176; x=1787751976; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=wniemGQFKfKH7IbJvereJvyJXicbs4JLShPnfXg4wK0=; b=plOiZI69VXo8MZ0IGFGOZFvzQKBmxbA0D9LQwnF2u/o/EIUaeae0INYH3bsamhprNL O5TQENlxb9Ylz7aQqF7KwzcSi+gRrLLFMlunliMwJmqcVBhb+SrbtH26z84CheQAJ9u7 nd6uSTk4EtnW4vu5Foc210SFf/m2vHxkmkjtd4ne1Mv3Z6CsAJRWEpq8dsOBuR83nOg8 MwUIgnwi0SOWgkXMLAEVKosGFp5CCpXO4ybvzpvpQhvtPrEyJ6fCBYkn9av38xlYScgf 1u0PQm9EGFiMgQeT9QIg81peR4kyXQgOTdS4JjKSq+fICNm+KyEZHfe2xVIDU50v+WqB /8Lg== X-Forwarded-Encrypted: i=1; AHgh+RqKd7vmetLrurr9QAGtp02m7igiJe0P5PQQmRtMxYxc+VVZWsftf+YL0GUpiqtgttnvvO/Af1tKhB7ylqY=@vger.kernel.org X-Gm-Message-State: AOJu0YwQMLqGp9f5OjzxBeuR4mNmR59xkmudH9htgBm8KMN4daUYJvoV 9IthWkzXbRAAqxxI+5xkmuUZukYerMpHos29wymBwHDYklxp6dTfloDm7dKmFYIGbrMStpIIf3w oYfxbzp856vHsQRE3ifr8OOOGIHS8IBVrmZcIV0CISNB017qdVGkd61ZU1qYMBnHPNkE= X-Gm-Gg: AR+sD109gr43HhXS/KoeJnLdZJ21cEnThMpkOZHVmPwVEWfRv7GdVZBod09LLTt89Lh lTtGlkSac7SfXwYwemNeTES6AE4gZroV6q5OdTeJ/qQbKUo3HTfNH4TJCD7vZSysUioxdVOnUFr 0jWWOM2l8kdivBCoV8vnYIq2s4u8V0l4WnRty5jkfI5dvlpilKgAo5cfSd9KsUZWODBon4wB4eo 2jax/cN0+p6ivI5U3daPYy1Sarv/NhesTVdXjlkoU8avUkEdbvkFN6h2UEu4zAEKGbqbSZgmy0v LMyk3NIZc5mBlyTaH5ykDHW09eofkjgYe8mWODjXy25ZVlRaGHrc+GBKDRcHObAxxHt9Xu62feJ txOJL9AosweKHJNqiQOUBRAkA X-Received: by 2002:a05:620a:839b:b0:92a:228:1bfc with SMTP id af79cd13be357-9371e6bf613mr319216285a.2.1787147175540; Wed, 19 Aug 2026 06:46:15 -0700 (PDT) X-Received: by 2002:a05:620a:839b:b0:92a:228:1bfc with SMTP id af79cd13be357-9371e6bf613mr319211085a.2.1787147175020; Wed, 19 Aug 2026 06:46:15 -0700 (PDT) Received: from [192.168.120.193] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5b478853af1sm531531e87.1.2026.08.19.06.46.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 19 Aug 2026 06:46:14 -0700 (PDT) Message-ID: <6f7d63af-9a4e-45e7-a2f9-e6c97598a140@oss.qualcomm.com> Date: Wed, 19 Aug 2026 15:46:11 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 7/7] arm64: dts: qcom: shikra: Add CPU idle states To: Sneh Mankad , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thomas Gleixner , Shawn Guo , Marc Zyngier Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260713-b4-shikra_lpm_addition-v1-0-3d858df2cbbf@oss.qualcomm.com> <20260713-b4-shikra_lpm_addition-v1-7-3d858df2cbbf@oss.qualcomm.com> <5756164d-2e42-4eb1-ab18-69c6f784b789@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: JX6BGNMSTqLIeeIRYO7_mXvjena4U-yx X-Proofpoint-ORIG-GUID: JX6BGNMSTqLIeeIRYO7_mXvjena4U-yx X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE5MDEwNiBTYWx0ZWRfX3QI3Y/qnMUB0 3BTWHrDvsWiUaIAfZ2PCh9Xn5Iy15QIW2DFSRsxpiF+jtFxJsSDFjcnsAYRo9SX2ReU24n+W0KP cM36VMcU5NkglR3K/xOd9CSjhJXq+un+bFfbtbc0f5C8/v1KqUl9q7UUgZtuqxZMYSr2WZ9U4ij FqwNRA/xBDYTdf2fLhxRb+aiIpPOxx3kOiMBIZNpoFgXISi5J2O8XLl5Q4UWhez5BrP+efkEmBj rFRPoI+sRV1Tfwhqgmemt185iDjbQl/XYKrDkXt2ycYncfeajwQTJDlR4va/KU/wIW2NuGpNfeV SDFzGy38vuCYpK/9Hp3mULRcxHOUj5YmP5qi3+ABByBLOIwWMM/UhSAXRZKpN4YUhC/mwE/l3L1 YMyTcovbiQANrhNn3qf+y10SUKTsOhRa+Di+oEMrhgLdHQU8GyoCRhB81b+rga/avzTm/kzNNS1 Bc0YrAXZDQT3dM7GQ6w== X-Proofpoint-Spam-Info: AW1haW4tMjYwODE5MDEwNiBTYWx0ZWRfXzNvAFzKxuAu+ ip8vwyRxvIcvD9M+kPGx4f5ie3o/uAnsBOl648jQ6XrRPyXpsfVMTK5pCvF/KP21S2CWpIIhAS4 FgWivbvPTGP8Lrd/Ik2jZrmJOpVfGxI= X-Authority-Analysis: v=2.4 cv=fvfsol4f c=1 sm=1 tr=0 ts=6a85b3a8 cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=L-OJIXmIpk4T1URZRf8A:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 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=2026-08-19_03,2026-08-19_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 impostorscore=0 malwarescore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 priorityscore=1501 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608190106 On 8/3/26 12:33 PM, Sneh Mankad wrote: > > > On 15-Jul-26 3:32 PM, Konrad Dybcio wrote: >> On 7/13/26 12:25 PM, Sneh Mankad wrote: >>> Add idle states for the CPUs as well as the whole cluster. This enables >>> deeper-than-WFI cpuidle. >>> >>> Add MPM under cluster_pd power domain. >>> >>> Signed-off-by: Sneh Mankad >>> --- >> >> [...] >> >>> + domain_idle_states: domain-idle-states { >>> + cluster_sleep_apss_off: cluster-sleep-0 { >>> + compatible = "domain-idle-state"; >>> + idle-state-name = "cluster-power-down"; >>> + arm,psci-suspend-param = <0x41000044>; >>> + entry-latency-us = <2752>; >>> + exit-latency-us = <3038>; >>> + min-residency-us = <6118>; >>> + }; >>> + }; >> >> Is this really the deepest state available on Shikra? > > Yes, this is the deepest idle state for Shikra. It does involve > handshaking with RPM to allow SoC level idle states to enter. Ok, thanks for confirming, the number seemed low. Konrad