From patchwork Mon Mar 13 20:00:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Konrad Dybcio X-Patchwork-Id: 69079 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp1379573wrd; Mon, 13 Mar 2023 13:02:16 -0700 (PDT) X-Google-Smtp-Source: AK7set9nF6URRHffHDnxe7ZXIVrm76vi7tfjQpKKI6hBGGepapfpyy85Nb3jyu9pB7z6b/elhXYx X-Received: by 2002:a62:8458:0:b0:622:feed:c36d with SMTP id k85-20020a628458000000b00622feedc36dmr7181319pfd.31.1678737735820; Mon, 13 Mar 2023 13:02:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1678737735; cv=none; d=google.com; s=arc-20160816; b=Kw9TQfgldeNcE+aqP0Tz6uq4SXM9vWXjz5/FLR1AgyTaeREQZrE87FbADOzv91WYZm qZPgn4pXPJ8goWjmRYP0tOPR0retzhUBaFxFewsNkopw/Y2AgdRTMo/nnwPyxsy8Lja3 Sb6R5GzFOgfrK4UcvumjHMPGN0dNgsFBGdg7rmh9dlqWsngJB4fAb5u0ylfewSNkVAwV zsAT02xvHd0h35vE12jA1wNW4hoaWzy/w97frJFrM8O8USDzTahX8kJORbZYAsBGfSIz aJl51ljcQuFdS2vx9qlcGsitASYoMQ3NtdHcGjvqPjgw2skbVPmfGVPPKZLB9ayF/CFH mnrA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=z6F/bmJ1cUx6IF880SqG09FqlJZOVgB3Ovuj7ugO+Vs=; b=tsS4iqj2AYJbwB7CKFHml2MLtZg0vRs9Qu8SL5J0e540ApYiARL3xoNz01/FhzRuwC 17kkEffTNNKgCY7dBXhCJoxDCuo89kGWvO3VBcoytYhlNz9ZdewIP1UlXTrTc6Mwdwx7 A36oUj6pQx8a4xcXBMCDxtKccSpZtSJcWq5Z5MSyH2EzkuCLluveXwf2MnbYU5aUX/rJ BSiwxCHYORZVPxOVa05hXi0hjZ0tyEqPx9Y2iohOR+12oZ8KGFZnpUX8JrUrFyVjvOy9 WRaWaBTHUm9FautBNkHKvxSzQWNrwpNma8crDhJ/v/KJ2UID6QRXliqlt7m4YwaOp+Wf tlLg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=pMiWfv19; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id e22-20020a656896000000b00502fdc84f37si316338pgt.320.2023.03.13.13.02.00; Mon, 13 Mar 2023 13:02:15 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=pMiWfv19; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230123AbjCMUA1 (ORCPT + 99 others); Mon, 13 Mar 2023 16:00:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51690 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230043AbjCMUAQ (ORCPT ); Mon, 13 Mar 2023 16:00:16 -0400 Received: from mail-lf1-x12c.google.com (mail-lf1-x12c.google.com [IPv6:2a00:1450:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 864DC84F6C for ; Mon, 13 Mar 2023 13:00:15 -0700 (PDT) Received: by mail-lf1-x12c.google.com with SMTP id g17so17225501lfv.4 for ; Mon, 13 Mar 2023 13:00:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678737615; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=z6F/bmJ1cUx6IF880SqG09FqlJZOVgB3Ovuj7ugO+Vs=; b=pMiWfv19F7h9HQhVoDK8cSBP1pXPQIJd4D1u0KqTfCDlUAGy0seDqz8B6hke3nh0Cb ujrQDptQ/k/fwlCIz95DZPDPLZCSJ3Rcj983iRt7MSFp8KynEv01XglLF1dm/5umgwS9 6+tUfcRfM6MeqYcdiinby6Tg7xzkbYeI6Mp/uIQjgg7imKwfw3+3Z/18wEjVJBync2mi ZnuIHBJS81Gl85b3C5bQElHE816Ba4OPudlMCFY0XbbThcJXbueADbdtKp+ufWiMirKc m9XLxuYXzUYWftcTgOVSf9XyOdVbONFUd9qVtQhSS9dQaNPA+HlK4yFQaqWReM2OqRPB TvMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678737615; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=z6F/bmJ1cUx6IF880SqG09FqlJZOVgB3Ovuj7ugO+Vs=; b=TUxd/2mR3DuUSxRLpgy0IUW3xNMAH+aYykbdAUDQSbMT0kGJurZGea5p7N7Z0EzExO 7Py2CNUfMdgcOXShMP2iLROpXEPRmXrbEHg54+BEtV10QbK5la/nRwoNw781OUVIe37p Ji6vtwRMeMgR+rg8+iNRdaM8xXA76VdcqnEs0mW2l5zZIhQBlTt527jyL5bG/T1n8L/p Ykt9YhD9RML41ehbvPuk8c82eJ4VpYxTIdG63UgLYQ3TKCZOO48TMh/dzEBPVVYxwLE8 YUAdl6MRR4J9Tw9vIKK5QIKPUN8Q4179ayWiN5Gush8I04lfJGXLd0JhMNO++Jb2ql96 4VpA== X-Gm-Message-State: AO0yUKWQCpUFN+P1dhsfxwEnPF+qPiIQmt+/AKNoY8t0Li84YkboznIa XWUebRz5yB9b0TJhLVmddI74SA== X-Received: by 2002:ac2:5e8e:0:b0:4b5:b87a:3262 with SMTP id b14-20020ac25e8e000000b004b5b87a3262mr9872082lfq.28.1678737614983; Mon, 13 Mar 2023 13:00:14 -0700 (PDT) Received: from [192.168.1.101] (abyj16.neoplus.adsl.tpnet.pl. [83.9.29.16]) by smtp.gmail.com with ESMTPSA id w3-20020ac254a3000000b004cc800b1f2csm75431lfk.238.2023.03.13.13.00.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Mar 2023 13:00:14 -0700 (PDT) From: Konrad Dybcio Date: Mon, 13 Mar 2023 21:00:06 +0100 Subject: [PATCH v3 08/10] soc: qcom: rpmpd: Add parent PD support MIME-Version: 1.0 Message-Id: <20230313-topic-rpmpd-v3-8-06a4f448ff90@linaro.org> References: <20230313-topic-rpmpd-v3-0-06a4f448ff90@linaro.org> In-Reply-To: <20230313-topic-rpmpd-v3-0-06a4f448ff90@linaro.org> To: Andy Gross , Bjorn Andersson Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.12.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1678737603; l=1205; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=E54ylqbifUTsLF0rt8nM3af9swKFyDMWMQVj+11edlE=; b=PyVBxMpR5FuUG+TCXn2aZnWjCe2oizVJBZPpcf9dXzmS6nZftjiaGYwhIphoTsZa9duL7qbXITU4 thd6M294ARHdlwqv0GIkw6OR3wZVM+6Zcmpjp6T9r51lGyvEVY6V X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= X-Spam-Status: No, score=-0.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_SORBS_HTTP,RCVD_IN_SORBS_SOCKS,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760284100308166715?= X-GMAIL-MSGID: =?utf-8?q?1760284100308166715?= In some cases (like with the GPU core clock on GMU-less SoCs) it's required that we scale more than one voltage domain. This can be achieved by linking them in a parent-child relationship. Add support for specifying a parent PD, similarly to what has been done in the RPMhPD driver. Signed-off-by: Konrad Dybcio --- drivers/soc/qcom/rpmpd.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c index 946630d82b3d..2027c820caa7 100644 --- a/drivers/soc/qcom/rpmpd.c +++ b/drivers/soc/qcom/rpmpd.c @@ -48,6 +48,7 @@ struct rpmpd_req { struct rpmpd { struct generic_pm_domain pd; + struct generic_pm_domain *parent; struct rpmpd *peer; const bool active_only; unsigned int corner; @@ -969,6 +970,15 @@ static int rpmpd_probe(struct platform_device *pdev) data->domains[i] = &rpmpds[i]->pd; } + /* Add subdomains */ + for (i = 0; i < num; i++) { + if (!rpmpds[i]) + continue; + + if (rpmpds[i]->parent) + pm_genpd_add_subdomain(rpmpds[i]->parent, &rpmpds[i]->pd); + } + return of_genpd_add_provider_onecell(pdev->dev.of_node, data); }