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 C22AF3A8759 for ; Mon, 8 Jun 2026 08:23:53 +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=1780907034; cv=none; b=SSPbZBFpcoHaWPR+YWVIEMQmRAfQN+F4XXQyMyLRY3dL6VUYoShhcnooEQx9CsWjlzK2FWpjymOZM4AcA2fcYvsIKdrvgblnJvToy5pt4mLphx//ur8XbHfct66cgutwWWXpr7kGCyX92eqY9siIzpT6p1RiKAMEMj6/Ow9VWdg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780907034; c=relaxed/simple; bh=xCS/sMMivgXC5mwRXTDN44lODP1gadE8iSt7cUsbOyI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=DQI5U7rUxUCnSH4bEJd9DqCn2fS0gIfrlnWJcX6dpUqzMdoxHc5c2aNbyD6BvXBNQ8d4U80RVmYbYi9KUKOGTDMthK+FEEdQDbFm52/+n0UE6Ck+J1ZI3TpUVitXgelca65Zqn6TkHSApgTAGaHTtN8RuzJsmAUGDWS589c3dyk= 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=fuBA0Zxy; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=UtDF2tQX; 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="fuBA0Zxy"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="UtDF2tQX" 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 6586Ov9j2833009 for ; Mon, 8 Jun 2026 08:23:52 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= 7lQ4E93ZSohECX6PMGG4MtXMe2iUMpkyysStQXJYr8Q=; b=fuBA0ZxyKmUs1VX4 6OaL1b2K447HWqeTnA2PNuSe8YgTD9vlw/3OojWh+njfaWz9rMuNCImtuvmv87JS VyZI48xDGpFgpy15HF7vVOhJeA+BpH3UtZDRMqh8gekl5qgTvavz/o5/8TuW6xjR CSP0X6tuuWQh57+aQblZhlr9pDzcePn4utWPZb0PznIi4UsVkvlbTGjdFNmY8bAX ToyTapW5aBzXj1uEeH6DP2rUe+eLS8q4btjpCjGZuvdV3jPhJEbGvW9ek/wx9Q+u gpU1R2ucZeJ818dy1D9D9MyKGZl8cFIkEyxhTDrgOIArJy8xT8Wf1Y51uBnXk6fC Hqvbqw== 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 4embmreu09-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 08 Jun 2026 08:23:52 +0000 (GMT) Received: by mail-pj1-f69.google.com with SMTP id 98e67ed59e1d1-36d99629fd6so6979895a91.1 for ; Mon, 08 Jun 2026 01:23:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1780907032; x=1781511832; darn=vger.kernel.org; h=content-transfer-encoding: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; bh=7lQ4E93ZSohECX6PMGG4MtXMe2iUMpkyysStQXJYr8Q=; b=UtDF2tQXPTX9JTM2a8WVx+QFM9FRSy+wnF2TnCqCefd+vjXpx5AhRk61NR+vcvyOr0 EI6VnwfyFSYoRDcvbeS9w4Ukr6vX5vo/mGrXb3e5j1WXrPnLSl1t+zdTxVEYZV/ghQbb hy3vjagAvM/fAwv6iWR690OTj1cfU0Yj2ozrgPldx9CHzP5j88wjveQ5Acefe6pXfC8d 76EmEMmk8qnGLtSL6+V3SWjUBcIudo8LKjVPAl8+3D08S1GVReub/t8TBsRZ8PsB7n/s kRMtxe5kG5jWdySGP3vB6DSmVATzYL6/tXlWVxVvsrX1kZLb/XFzIkqCxzDZ1j+Vu4Pu O6Ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780907032; x=1781511832; h=content-transfer-encoding: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; bh=7lQ4E93ZSohECX6PMGG4MtXMe2iUMpkyysStQXJYr8Q=; b=ZbZsJ5MKdzwiuQCEjxSgeRiiyY1cQFh+Ktf59MvcrG2gPvHs2VXyBg+dnkGBtWreGs 9wCXVi3lUhglvvvp1lRemoaUmg4tQOWbaOAO/j2ZGu8S0ozZuYEvRmMMCvfgtYOD4vo5 iUeja8Ge5AJfkfwyUdHlEgQXBWOPZKXvUjTXjxbnPBwX1x02qVopMH1fmHOH7S5lDaKN iHGa4MWwHVz12Qk3n4RC2vUeeP0BwM+wKpyp13G1R2vSDbKcRG9gHzzOtxxyVHW2Pyij 1GdNJ8/ryPsJgq3yiAYWP8/F0eZBAu1p12tNNiAdx1q3bgl6QwobqCSi4QOMnp51iIiy ji8g== X-Forwarded-Encrypted: i=1; AFNElJ/1/EWWLHMTI6iEH7QhZBDhvT+arNlHk4SMPbK0zOOVb075nHUEwUFRSnQ+ZrUA3Hg6HAcmB2qQ6VTbbDo=@vger.kernel.org X-Gm-Message-State: AOJu0Yy1Yxr+0ZApYB1Tpcmlr4WGXJZO2gfBl8ibM6CEeLE5dpsGsdMN y7YRPYEINL7EgSBQt+NxTnnXM9aTrU4SjBscm27IMdVwccB7ZKiOkXSfbdkqAQHo0P05mHd5x8/ b2D4eY8vs4Fo20/huO/Snc6ax+z8Xf6LCBqiYPc+rsTOsVYwHH/S/yOs4UVvMKQrr4Gg= X-Gm-Gg: Acq92OHYB6Rzbk8WnOIVbY7iTcIXATYkC5O1LQIE4KNFc48f/BYKVaOG2cTBWx5rR0Z lbfLx0nF8jG9P3OTDisQZt4GzisajHnsE3nJuxL45rAebU2E5q8eC6LSkOeRC+iQnxKTKmvaLEE yvWquekOyN/AUr0rQ6c9+8W54wuJrCZmz6mOHvyBotblGHdE5N928Mx7KDGXqJ+7Doi5RMttYM6 MJH2u9R59PPx4i7QNOGKXyuQ+CxJXX7rLu9nNovmDge1KhzXGmk+vt+j1iMCgrhUCBCTYUwGU3W iazr6HoBeciEpkZNPzH9+grWJ5GnIJt2M8VyQclNdEqOyrpgcnR/xY1i+KEcz61mf7f+0hF3L3m rWYZ+Tagi5bulL1SiQVT0LBK/6Ix6FcNtr6kcAx+SgJQ5BHgVvr8mi29AOolV22guAQ== X-Received: by 2002:a17:90b:2742:b0:36b:4d63:4a96 with SMTP id 98e67ed59e1d1-370eeb1bec5mr15699163a91.1.1780907031835; Mon, 08 Jun 2026 01:23:51 -0700 (PDT) X-Received: by 2002:a17:90b:2742:b0:36b:4d63:4a96 with SMTP id 98e67ed59e1d1-370eeb1bec5mr15699133a91.1.1780907031357; Mon, 08 Jun 2026 01:23:51 -0700 (PDT) Received: from [10.217.198.68] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36f710ee4f3sm15849306a91.13.2026.06.08.01.23.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 08 Jun 2026 01:23:50 -0700 (PDT) Message-ID: <41cd662a-31ff-470b-9e77-af5655f210c4@oss.qualcomm.com> Date: Mon, 8 Jun 2026 13:53:46 +0530 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 1/2] arm64: dts: qcom: monaco: Remove the little/big_cpu_sleep_0 idle states To: Dmitry Baryshkov Cc: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260522-ml_cpuidle-v1-0-fd311cf33fb4@oss.qualcomm.com> <20260522-ml_cpuidle-v1-1-fd311cf33fb4@oss.qualcomm.com> Content-Language: en-US From: Navya Malempati In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA4MDA3NyBTYWx0ZWRfX5e6DlO7bGB9M hHj/jKZc1VJM9ow65kz+QPDRvWd/YhRfnbXpQFVM7Sk6ADLlowpCUWQ4RQR7K3Tm7uLNsXNV7Fs zEjVT06UcW/1eeg/RYeKT0oE23VFWycrZQNkTXZcwRIyceSYsBdm1sm1l9otg9m6s5PpUKrwGSV qaQVT2mjKQybDIYzH2Z3UhxXSOMBiMwc+VHC/JR8pRqQXGKv3tW0ei4Eo2kXAn+wqcbjO6idA1j ZkdE4Onp7fwJnTmYAWuoIIPfMZIbRS33LlH/L3UZE7jVZZ5TilUKuNgNFWwbOVqZDS7aTwuXs1K Ls5KSZzQ9IR/Kk87Ycu4C8XORFcmb0RIsPbOArO+xRXVEb6rDuZqkRQQWr6xkYlllaJcdxXsiIA TUbIPTBq1/BVE4zq4lgN6qEdCmBX/ovcP3nmqD/DLPRmSAslBrwJ5ckjAeBezZON4NVDsPcuThS krWmYLfz2yySFlgwkfQ== X-Authority-Analysis: v=2.4 cv=B5eJFutM c=1 sm=1 tr=0 ts=6a267c18 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=A8xlVPZPMDKzmvWz11YA:9 a=QEXdDO2ut3YA:10 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-GUID: vAgBssb0QBG3DZTp6ygmTHj4NccJQop1 X-Proofpoint-ORIG-GUID: vAgBssb0QBG3DZTp6ygmTHj4NccJQop1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-08_02,2026-06-05_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 spamscore=0 malwarescore=0 phishscore=0 bulkscore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606080077 On 6/8/2026 12:54 AM, Dmitry Baryshkov wrote: > On Fri, May 22, 2026 at 04:40:13PM +0530, Navya Malempati wrote: >> Firmware supports both CPU power collapse (little/big_cpu_sleep_0) and >> CPU PLL/rail power collapse (little/big_cpu_sleep_1) idle states. >> However, CPU power collapse modes are often not utilized in favor of >> performance, so remove the CPU power collapse modes for monaco, > > They are not used now. Will they be used if the cpuidle governor is > changed? If they are valid from the hardware point of view, why do you > want to remove them? > Even though they are valid from hardware and can be used, they do not seem to be benefiting power/performance, hence removing them. This is irrespective of cpuidle governor menu/teo making use of them. Thanks, Navya