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[209.132.180.67]) by mx.google.com with ESMTP id v26si2567087eja.230.2019.10.04.03.45.44; Fri, 04 Oct 2019 03:46:08 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729065AbfJDKbH (ORCPT + 99 others); Fri, 4 Oct 2019 06:31:07 -0400 Received: from mail-wr1-f41.google.com ([209.85.221.41]:35641 "EHLO mail-wr1-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725730AbfJDKbH (ORCPT ); Fri, 4 Oct 2019 06:31:07 -0400 Received: by mail-wr1-f41.google.com with SMTP id v8so6542611wrt.2; Fri, 04 Oct 2019 03:31:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:mime-version :content-disposition:user-agent; bh=0sO0rv2WFDM2B56JzJt62DBkoicLCV6GGFXAS4MJE9Q=; b=hBhpYlRQ6HS0Wpe0PpcIvDtmErIyTOaqwtoHN/rgS/uURFfnKWIogM1VpLPpKPlbSx Hl+HUUL3fsym1EaEzGqFChstEznGUB2JON92pLVA6Cawn59hAv1/uqyclnU8ZmKF0i+i 8lC+rww/WZ2sdzTpqm84+FMatjne/r5/Wl7i80N/dgpc0kUGGnyBFKmxC3sVqVir/Rzq 3kwV8tudxAPXh2VyR5OCLNpVQ+r8xXSmdRyRziovL4Ru0lDlkYCRntbqZJ7xDn+7uqKE DaTxwB4Uda8pNS1k7zT/duEutFqngrsPC4U1wsNNtTwzxtl2VNCGc/KJvOI8eSodudJ7 6LJw== X-Gm-Message-State: APjAAAX3UtZSyDAb2bLWsPsk1dVytEgtnNHPir4RKJMNaVxmJXvIyErZ ImAwdijswT2vfCEmlIXDjP8= X-Received: by 2002:a5d:4491:: with SMTP id j17mr10537639wrq.257.1570185064934; Fri, 04 Oct 2019 03:31:04 -0700 (PDT) Received: from pi3 ([194.230.155.145]) by smtp.googlemail.com with ESMTPSA id a13sm13449859wrf.73.2019.10.04.03.31.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Oct 2019 03:31:04 -0700 (PDT) Date: Fri, 4 Oct 2019 12:31:01 +0200 From: Krzysztof Kozlowski To: Chanwoo Choi , MyungJoo Ham , Kamil Konieczny , Marek Szyprowski , linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Devfreq looks for unsupported frequencies on Exynos Message-ID: <20191004103101.GA9176@pi3> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi All, I noticed recently error logs when booting Odroid HC1 (Exynos5422) on exynos_defconfig, 5.4.0-rc1-next-20191004: [ 5.168786] exynos-bus: new bus device registered: soc:bus_wcore ( 84000 KHz ~ 400000 KHz) [ 5.177022] exynos-bus: new bus device registered: soc:bus_noc ( 67000 KHz ~ 100000 KHz) [ 5.184705] exynos-bus: new bus device registered: soc:bus_fsys_apb (100000 KHz ~ 200000 KHz) [ 5.192903] exynos-bus: new bus device registered: soc:bus_fsys (100000 KHz ~ 200000 KHz) [ 5.201414] exynos-bus: new bus device registered: soc:bus_fsys2 ( 75000 KHz ~ 150000 KHz) [ 5.209986] exynos-bus: new bus device registered: soc:bus_mfc ( 96000 KHz ~ 333000 KHz) [ 5.217931] exynos-bus: new bus device registered: soc:bus_gen ( 89000 KHz ~ 267000 KHz) [ 5.225222] exynos-bus soc:bus_wcore: dev_pm_opp_set_rate: failed to find current OPP for freq 532000000 (-34) [ 5.225975] exynos-bus: new bus device registered: soc:bus_peri ( 67000 KHz ~ 67000 KHz) [ 5.238824] exynos-bus soc:bus_noc: dev_pm_opp_set_rate: failed to find current OPP for freq 111000000 (-34) [ 5.245719] exynos-bus: new bus device registered: soc:bus_g2d ( 84000 KHz ~ 333000 KHz) [ 5.252653] exynos-bus soc:bus_fsys_apb: dev_pm_opp_set_rate: failed to find current OPP for freq 222000000 (-34) [ 5.263518] exynos-bus: new bus device registered: soc:bus_g2d_acp ( 67000 KHz ~ 267000 KHz) [ 5.280650] exynos-bus: new bus device registered: soc:bus_jpeg ( 75000 KHz ~ 300000 KHz) [ 5.288827] exynos-bus: new bus device registered: soc:bus_jpeg_apb ( 84000 KHz ~ 167000 KHz) [ 5.296957] exynos-bus: new bus device registered: soc:bus_disp1_fimd (120000 KHz ~ 200000 KHz) [ 5.305939] exynos-bus: new bus device registered: soc:bus_disp1 (120000 KHz ~ 300000 KHz) [ 5.314036] exynos-bus: new bus device registered: soc:bus_gscl_scaler (150000 KHz ~ 300000 KHz) [ 5.323090] exynos-bus: new bus device registered: soc:bus_mscl ( 84000 KHz ~ 400000 KHz) You can see that Exynos devfreq was trying to set 532000000 Hz for wcore, 111000000 for noc and 222000000 for fsys_apb. These are higher frequencies than we have in DTSI. Any ideas why? It does not look normal... Best regards, Krzysztof