From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f51.google.com (mail-io1-f51.google.com [209.85.166.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9657815D5 for ; Thu, 11 Jan 2024 04:45:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="KMqD5Ssr" Received: by mail-io1-f51.google.com with SMTP id ca18e2360f4ac-7beefdfe71eso84605139f.0 for ; Wed, 10 Jan 2024 20:45:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1704948315; x=1705553115; darn=vger.kernel.org; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=7R9gKBrtFfdTSBzgP4ylVTAW1UeNRdgNJL0FxjuEn/Y=; b=KMqD5SsrwNY/c6gl2uaWfyjq2FIurOvhbxladRbN5FczYCV/z/wHv6YYb0j5DR7cGX MiqyCk8JVUf/jrRGExtM1pRyQQ8fttkSfG+yzHAZWlyItGGaM91Eye4+kxDY65F8tkRt NSeTGXyAEEbansF1qPGI4M4IKYMRICOe2d8R8ixKjaN3zrNAU8OhiA0q/5fbWPAs3Xig te6HOjcfS+gGGkv21rV0t3hLbAoWyqxGmV84zStu8qIRsr/PPWjUoOVTsx6OCoqLpsed pXbMcmj/hGvEwpjikViM57FWu56HV0waYp0cpm11LWxTQiuVgbwZ4BM2GQybSlByF+Te s6fQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704948315; x=1705553115; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=7R9gKBrtFfdTSBzgP4ylVTAW1UeNRdgNJL0FxjuEn/Y=; b=VYcdLf+meLRVU14xHrKJFIsPTHuAyswBX+wvRTvyLf/qfsfHA1tDU5rgAAUrR8Eczi 7Ta6aX1OB1l51RAi/cgek96QC1gCyZXIm3i0UdX25ue4l9BD8/7ivLUnE4K8XcIR1aZV 1Jruf/yNfS0YH9Q7TWdKoW2lKgm42FL5rSS0IShfjOoTt0gjKpTKZuB2uInRMfj6HCGN q/vbvCjRdv/cgcdPjpGfXi4ZmvFwHeJMYBfMVx+1WwFqrpMnQVCj2m1KZ7pEuqme4Xvl /0lFoOuyeOgD3lPsr2jtNgs6dw/qtz33axRvgXIVmQlKwbsxS6KUnK1NNCo7Ko59nYUm egfA== X-Gm-Message-State: AOJu0YwgFbp4pscJ+25diF58W81ODtbvEdHh36pifD43qRDbGsSdlP1J zhg/xX9UA8W7zsSzBb9oe714qbhIqjdS X-Google-Smtp-Source: AGHT+IGR7jEQOfx+9LAfCrSObcolC0Q08hARoar8x4gxVIDslDvgDR0eK3ZurK9TSXoFOec1bhy69w== X-Received: by 2002:a05:6e02:1d81:b0:35f:7d16:c92d with SMTP id h1-20020a056e021d8100b0035f7d16c92dmr813267ila.44.1704948315660; Wed, 10 Jan 2024 20:45:15 -0800 (PST) Received: from thinkpad ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id f11-20020a63e30b000000b005c661a432d7sm202451pgh.75.2024.01.10.20.45.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Jan 2024 20:45:15 -0800 (PST) Date: Thu, 11 Jan 2024 10:15:08 +0530 From: Manivannan Sadhasivam 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 Subject: Re: [PATCH] arm64: dts: qcom: qrb2210-rb1: disable cluster power domains Message-ID: <20240111044508.GA3761@thinkpad> References: <20240111-qrb2210-rb1-no-cluster-idle-v1-1-cec14ec15b02@linaro.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20240111-qrb2210-rb1-no-cluster-idle-v1-1-cec14ec15b02@linaro.org> On Thu, Jan 11, 2024 at 04:01:14AM +0200, Dmitry Baryshkov wrote: > If cluster domain idle state is enabled on the RB1, the board becomes > significantly less responsive. Under certain circumstances (if some of > the devices are disabled in kernel config) the board can even lock up. > > It seems this is caused by the MPM not being pinged during CPU idle (in > the same way the RPMh is pinged when cluster idle is entered). > What does "ping" mean here? Please be more specific. - Mani > Disable cluster domain idle for the RB1 board until MPM driver is fixed > to cooperate with the CPU idle states. > > Signed-off-by: Dmitry Baryshkov > --- > arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts > index aa53b6af6d9c..9a0308ef8b0f 100644 > --- a/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts > +++ b/arch/arm64/boot/dts/qcom/qrb2210-rb1.dts > @@ -177,6 +177,24 @@ vph_pwr: regulator-vph-pwr { > }; > }; > > +&CPU_PD0 { > + /delete-property/ power-domains; > +}; > + > +&CPU_PD1 { > + /delete-property/ power-domains; > +}; > + > +&CPU_PD2 { > + /delete-property/ power-domains; > +}; > + > +&CPU_PD3 { > + /delete-property/ power-domains; > +}; > + > +/delete-node/ &CLUSTER_PD; > + > &gpi_dma0 { > status = "okay"; > }; > > --- > base-commit: 39676dfe52331dba909c617f213fdb21015c8d10 > change-id: 20240111-qrb2210-rb1-no-cluster-idle-7bf43b3a0452 > > Best regards, > -- > Dmitry Baryshkov > > -- மணிவண்ணன் சதாசிவம்