From patchwork Wed Jul 22 11:01:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Georgi Djakov X-Patchwork-Id: 11678225 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B941D913 for ; Wed, 22 Jul 2020 11:01:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9E4A5207CD for ; Wed, 22 Jul 2020 11:01:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="r94Bx+p3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730142AbgGVLBo (ORCPT ); Wed, 22 Jul 2020 07:01:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47712 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726462AbgGVLBo (ORCPT ); Wed, 22 Jul 2020 07:01:44 -0400 Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 07C23C0619DC for ; Wed, 22 Jul 2020 04:01:44 -0700 (PDT) Received: by mail-wr1-x444.google.com with SMTP id a15so1452737wrh.10 for ; Wed, 22 Jul 2020 04:01:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=niAmRUGsg4kxR596xiqQAVaMYD9d+SGcGWnDYDntXxM=; b=r94Bx+p3fcIDdAUsi8ATLuebYYefpEfjtAfalUhzc8pUWLe7DYZlGToUERmUT6175v ridcQ7TDaWP5Jou4y5JCHVow5LoJaJmJTCGsqXpB1OrI5UBftKfAYaVYfwzURR66u/H9 iHci+7rpt+mdko5bdHcESZMNj4ARx6gtgIhfZZ/o0auMSlQPxuV4B2FlB+9MMh7yl9Iv nBI5Anaw9Q7+OmR8XNlS06NTmtjbZTzwh5i4lOJra4g19ge0YzKw0ZZOzzm/YUG6QVwU 8Am9GunVPEw14N3o7HFV6CuCO0QWUc6s/ie+Uy5RY9m5EjGvqPB07L4KQv75NEShn5qI N7IA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=niAmRUGsg4kxR596xiqQAVaMYD9d+SGcGWnDYDntXxM=; b=ZdU5E0CkYbPqEgiJ9uE8AzoydV8DFHBTcOKkY6/Os0Xmx1aUWHhg4Y7jihu9zGX8VU M90EUVGjJG6Up3IjFN8LJx0Pki4Vh8XYIDy7nXWcPZSXmVPm+T1v6xFYFUVcsQSyBPz6 ZflM4YyV6r/7GHyKl2PHg3eFntR0jSlX6E+kBpoGH1BypSRxQ6j/7MK7KoSd206Zag4H c6HxHvJP4+hbMDFzcCIkBXZqRyxTdDnuOU9NNn2nmeKAmoN1tOGQ4TajeQSlPaTps76k bq6cWG5053tWnOV/foiFsVIQYddQO/O3wc6zjv+GfBYcqnahOL+Dz4hwIx7YUItjIzQE zSJg== X-Gm-Message-State: AOAM533icBv0FLY9V6XTqDlkBK4JcEXnnYr6AA1O53vsuooezhaOGovJ Di53dMX428XbOL7+xRZW/je9Ngr7gng= X-Google-Smtp-Source: ABdhPJxDV2Vmpdiz+h/u+9NMFx3xGKLE7lckZbCG8ZfyTR6oMuWNipVN11Zb3mzDpjoxhrGwzS6DbQ== X-Received: by 2002:a5d:4a0d:: with SMTP id m13mr13001479wrq.12.1595415702339; Wed, 22 Jul 2020 04:01:42 -0700 (PDT) Received: from localhost.localdomain ([212.45.67.2]) by smtp.googlemail.com with ESMTPSA id y6sm41256164wrr.74.2020.07.22.04.01.41 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Jul 2020 04:01:41 -0700 (PDT) From: Georgi Djakov To: linux-pm@vger.kernel.org Cc: saravanak@google.com, mdtipton@codeaurora.org, okukatla@codeaurora.org, bjorn.andersson@linaro.org, vincent.guittot@linaro.org, georgi.djakov@linaro.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/2] interconnect: qcom: Use icc_sync_state in sdm845 and osm-3l drivers Date: Wed, 22 Jul 2020 14:01:39 +0300 Message-Id: <20200722110139.24778-3-georgi.djakov@linaro.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200722110139.24778-1-georgi.djakov@linaro.org> References: <20200722110139.24778-1-georgi.djakov@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Lowering the bandwidth on the bus might have negative consequences if it's done before all consumers had a chance to cast their vote. Let's return the maximum amount of bandwidth as initial value. This bandwidth level would be maintained until all consumers have probed. Signed-off-by: Georgi Djakov --- drivers/interconnect/qcom/osm-l3.c | 3 +++ drivers/interconnect/qcom/sdm845.c | 3 +++ 2 files changed, 6 insertions(+) diff --git a/drivers/interconnect/qcom/osm-l3.c b/drivers/interconnect/qcom/osm-l3.c index 96fb9ff5ff2e..54aff6273af1 100644 --- a/drivers/interconnect/qcom/osm-l3.c +++ b/drivers/interconnect/qcom/osm-l3.c @@ -236,6 +236,8 @@ static int qcom_osm_l3_probe(struct platform_device *pdev) node->name = qnodes[i]->name; node->data = qnodes[i]; + node->init_avg = INT_MAX; + node->init_peak = INT_MAX; icc_node_add(node, provider); for (j = 0; j < qnodes[i]->num_links; j++) @@ -268,6 +270,7 @@ static struct platform_driver osm_l3_driver = { .driver = { .name = "osm-l3", .of_match_table = osm_l3_of_match, + .sync_state = icc_sync_state, }, }; module_platform_driver(osm_l3_driver); diff --git a/drivers/interconnect/qcom/sdm845.c b/drivers/interconnect/qcom/sdm845.c index f6c7b969520d..c04775820f15 100644 --- a/drivers/interconnect/qcom/sdm845.c +++ b/drivers/interconnect/qcom/sdm845.c @@ -503,6 +503,8 @@ static int qnoc_probe(struct platform_device *pdev) node->name = qnodes[i]->name; node->data = qnodes[i]; + node->init_avg = INT_MAX; + node->init_peak = INT_MAX; icc_node_add(node, provider); for (j = 0; j < qnodes[i]->num_links; j++) @@ -559,6 +561,7 @@ static struct platform_driver qnoc_driver = { .driver = { .name = "qnoc-sdm845", .of_match_table = qnoc_of_match, + .sync_state = icc_sync_state, }, }; module_platform_driver(qnoc_driver);