From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B388CA9EB9 for ; Wed, 23 Oct 2019 07:46:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D1BC8214B2 for ; Wed, 23 Oct 2019 07:46:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571816779; bh=wng/OVZqLP3FtbX5YFrlvc8XNo7x+Kpf4uwYGDaFXjI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=LqKVN1eR0B6EqVO0XK1dnS6rX3D4ne49Ust2OtALItMJxJqOQVMp2r3XYWr3R1fvu s6BFLG/aRv0Ug0aHEM4GME45Pc98I+xpUXvdjFMvPUvjlcAlUbhQpFhiJfLj81HWb8 HWypeJ/aOcJiNia5DpJHfZFlms1+5aK1ciE5X6Zc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389956AbfJWHqT (ORCPT ); Wed, 23 Oct 2019 03:46:19 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:33084 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732328AbfJWHqT (ORCPT ); Wed, 23 Oct 2019 03:46:19 -0400 Received: by mail-ed1-f68.google.com with SMTP id c4so15001112edl.0; Wed, 23 Oct 2019 00:46:18 -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:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=5cJFGnfLeRNgTrejWCo2JM2J7Q5Kj7+5yXSkE585T8g=; b=nA1wU+WeqJIKHOcWipN4SoPcpQ0oMz3M+SQ6ld/ZtSSiyuhqiIDUl4xepbos7IRaxS HucOZSsy/0qgWIEUS01DMLPMjID0+5N4Kl4HMDX6XuppCi2USKb5x58P2W5dH/afXJ/G EN79Jhb1ZboSbsDIX4HB42S0PmGCHY3K5TdB9KGw9SZJE9ehYFFy4mLr6mBX8Jm85+Tu TVVAXxR5nr/hg0DNnr1HL6u0/r97VmWA50hTBKZuca3lq5tPpPlRYu88g/vBESuAJYwZ DZwbUa5RFmrtLtaOXevdwNxrw6FRBccvHnT988oOpcYGmKfHp9hTfbMnScIIjnCX6QsX U+7w== X-Gm-Message-State: APjAAAX/psXmVf8Y3oiBQeLVjnwpXH8a89P3yBjiZriV45v57sTU6jws 9q4P8XwEkADuTMudbLMwMs4= X-Google-Smtp-Source: APXvYqzwo127f2Iz7ehA1LnTrsZcl7hp3t2+nQciVRf1/t+0Tgb7ww/0KlWvmquQUUnvDGf76nUxRw== X-Received: by 2002:a17:907:4150:: with SMTP id od24mr31033483ejb.135.1571816777344; Wed, 23 Oct 2019 00:46:17 -0700 (PDT) Received: from pi3 ([194.230.155.217]) by smtp.googlemail.com with ESMTPSA id z25sm400624edl.58.2019.10.23.00.46.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2019 00:46:16 -0700 (PDT) Date: Wed, 23 Oct 2019 09:46:14 +0200 From: Krzysztof Kozlowski To: Marek Szyprowski Cc: linux-clk@vger.kernel.org, linux-samsung-soc@vger.kernel.org, Sylwester Nawrocki , Chanwoo Choi , Bartlomiej Zolnierkiewicz , Marian Mihailescu Subject: Re: [PATCH] clk: samsung: exynos542x: Move G3D subsystem clocks to its sub-CMU Message-ID: <20191023074614.GA10247@pi3> References: <20191023074118.3012-1-m.szyprowski@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20191023074118.3012-1-m.szyprowski@samsung.com> User-Agent: Mutt/1.12.1 (2019-06-15) Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org On Wed, Oct 23, 2019 at 09:41:18AM +0200, Marek Szyprowski wrote: > G3D clocks require special handling of their parent bus clock during power > domain on/off sequences. Those clocks were not initially added to the > sub-CMU handler, because that time there was no open-source driver for the > G3D (MALI Panfrost) hardware module and it was not possible to test it. > > This patch fixes this issue. Parent clock for G3D hardware block is now > properly preserved during G3D power domain on/off sequence. This restores > proper MALI Panfrost performance broken by commit 8686764fc071 > ("ARM: dts: exynos: Add G3D power domain to Exynos542x"). > > Reported-by: Marian Mihailescu > Fixes: b06a532bf1fa ("clk: samsung: Add Exynos5 sub-CMU clock driver") > Signed-off-by: Marek Szyprowski > Tested-by: Marian Mihailescu > --- > drivers/clk/samsung/clk-exynos5420.c | 21 +++++++++++++++++++-- > 1 file changed, 19 insertions(+), 2 deletions(-) Acked-by: Krzysztof Kozlowski Best regards, Krzysztof