From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f47.google.com (mail-wm1-f47.google.com [209.85.128.47]) (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 35CE718660C for ; Wed, 20 Nov 2024 17:09:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732122554; cv=none; b=JBdE68wYxCsmPmqw3Tk5cXopDsGmARZHPDhCdLgZU25MWKTwTAlMxYc/yKWwYR66ZykhZLApBjJry1H7kwZnG3MGvW28Gr5Fti/VLOPrTFYGqH0TA0PXHAHWSkmmGz07bMHLmIo/kWJOpG0hFgTWDDLVxtHV73lu9MYQ/Dn76Wg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732122554; c=relaxed/simple; bh=GxGYBTBzNgOeIfq/QdI2OaIkEKakJlVruSDheSbNFFQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=QkeE9e/k7s+Xpz1J+2NobvjdMW0GNuwvjz4GNMvFjyPVza0UrLEJtHKsieluWpvx9I2cxvWMPVytNBphH8yuPrpxAUfqBWU3tulT2Paavfhei0rMyDifA0nVEa5ds2jHCGi5cxTqD3pIdxPIym/fn2KDQx945xneFirJ17YNqvs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=BQ890Sme; arc=none smtp.client-ip=209.85.128.47 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="BQ890Sme" Received: by mail-wm1-f47.google.com with SMTP id 5b1f17b1804b1-43162cf1eaaso61976395e9.0 for ; Wed, 20 Nov 2024 09:09:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1732122550; x=1732727350; 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=1lBaWVIKUDm8mK0qFWu7ZMD66HrRVg+A8qSokIpCLr0=; b=BQ890SmeFYdur6wFjXEHO7s5gpo3VUjwH1KfoUuCzRrDxF6USOgLfi1KvtlMX48NSJ m8r+yEcEAUGMWSASciaAe+LZZRLIb7Wj5FZQ9ajG0PYlopMG4nO7cxTXtCrQ6Y6ULaSV MjlDNHR+iABTSPetyJVowR7FLYBufsdLYSEldM/p69njeUw+VzsJbuSIek6lgT7I26B7 AAjxWOnSU4BC2rW8l/MMHjzoNB9Rb8h/YwF5DS9rpkW/NyCccIZMpiNkMOcboppJchGX BJyUVVMwfOAxz59qHeK9ZlbFUR6yrOOAT/90sYSk/030U5l0J82BWG/Lkq1Xfzk4eMY5 Apgw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732122550; x=1732727350; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=1lBaWVIKUDm8mK0qFWu7ZMD66HrRVg+A8qSokIpCLr0=; b=BraEpTAfPVwCM/NgW+GuHXmtKRA7g8R1/dSDRQX+83hZ7vi57oYNuuKA4q8DR0WI6a z0I58JPevrpOjq5jQ5qDMxawRHxtq1tgnu05g9Bkrxyi5I27esW/d8Qe7VboOUUMH0tb xfWl1lVxVd3RiNH19WxFrIEft1eRk1/OS18LrKQtxmjANgEM2MuxLwd7SPIdAaYJ07Kl mKK/KwgRrma61wcGYEHWVruTwd5R47vyD7oRL7Refo2rWOBBplPX4QwXCE8GIfTu5/Xn Im94W9nuv/kOX/vNG3zSKyxnbTF74QENyO2Z2AhARvrdSCd1iag2r8p1i4hny9ZA5P7f S4IA== X-Forwarded-Encrypted: i=1; AJvYcCXRFykAnYA00AQZRz6TiaX8PKH/evXm25zNFUq9rjdysDAMKgp9137V+7OMn4mjsnNS7ImBCxTP97SZMUgG@vger.kernel.org X-Gm-Message-State: AOJu0YxFP/uuWdio41jRaQ7BvqPz9FQR70U94HjYW0W6udFDkz7mexWM jNUnj5/5ny9kpKn1dbbW1HTnbMt8SDjLpgyTknv1/r0p7tEmH1u4byfWHGTQHINwYdbqZ2NouKi EUuE= X-Google-Smtp-Source: AGHT+IGiaYIxKh7fbsrmK6tgUUwDYtTaqJ5Wpge3WBivCuMq4wZZiH8eGrvzsvlRCSKNGG+wDtIT/w== X-Received: by 2002:a05:600c:3b12:b0:431:4b88:d407 with SMTP id 5b1f17b1804b1-433489819c0mr37456805e9.5.1732122550515; Wed, 20 Nov 2024 09:09:10 -0800 (PST) Received: from [192.168.0.200] ([176.61.106.227]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-433b46359b9sm25029685e9.36.2024.11.20.09.09.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 20 Nov 2024 09:09:09 -0800 (PST) Message-ID: <7a52ca1f-303e-44ae-b750-6aaa521516c3@linaro.org> Date: Wed, 20 Nov 2024 17:09:08 +0000 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/2] clk: qcom: gdsc: Add pm_runtime hooks To: Bjorn Andersson Cc: Michael Turquette , Stephen Boyd , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org References: <20241118-b4-linux-next-24-11-18-clock-multiple-power-domains-v1-0-b7a2bd82ba37@linaro.org> <20241118-b4-linux-next-24-11-18-clock-multiple-power-domains-v1-2-b7a2bd82ba37@linaro.org> Content-Language: en-US From: Bryan O'Donoghue In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 19/11/2024 15:34, Bjorn Andersson wrote: > What I think you want is two things: > 1) When you're accessing the registers, you want the clock controller's > power-domain to be on. > 2) When the client vote for a GDSC, you want to have the PM framework > also ensure that parent power-domains are kept on. > For the single case, this is handled by the pm_genpd_add_subdomain() > call below. This, or something along those lines, seems like the > appropriate solution. Yes. I'm finding with this patch reverted but, keeping the first patch that it pretty much works as you'd want with the caveat that gdsc_register -> gdsc_en -> gdsc_toggle fails the first time. After that I see the GDSCs on/off as excpected cat /sys/kernel/debug/pm_genpd/cam_cc_titan_top_gdsc/current_state off-0 cat /sys/kernel/debug/pm_genpd/cam_cc_ife_0_gdsc/current_state off-0 cam -c 1 --capture=10 --file cat /sys/kernel/debug/pm_genpd/cam_cc_titan_top_gdsc/current_state off-0 cat /sys/kernel/debug/pm_genpd/cam_cc_ife_0_gdsc/current_state off-0 Perhaps we just need to fix the probe path @ gdsc_register() --- bod