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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 856D3C433F5 for ; Sun, 8 May 2022 18:41:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=kZD0aCzKpPkHnuSrld8kbhs6Hx+wEyI/29Z9l5M8FKk=; b=oJcFaOpENRDua1 va6bje97P6kjginnzMXutm6V3wRcPqtxz4HKD2SZyTV4sbQQHb+90uLo+FyjHwuUK0ggxfV+F7qUt JWSdnj3ASQH1F9Qk0Zr1fLolKmF07VmGEKHdLNdhT+Ox2qi7MFT6AljXpR1pDtnU0Db+KiDNFM2ZB PH11Q66C6jqz+sRB4O4Q+11epLt/q9/Y4YZh2Z4PKVNhVHxD6l1bEGC9y6LufX7jOePMCY+XcuNuS 1bueuJ77Q2Fo9DKHyiQA5v9o6iuKHRch89oHglxeosfUh8zYoGH5xdcRUtukZj6fohqgTNLNksHST 8S70e+V8kKMdJ2A4hhhQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnlpK-00AtuR-O4; Sun, 08 May 2022 18:40:18 +0000 Received: from mail-pg1-x52d.google.com ([2607:f8b0:4864:20::52d]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nnlpH-00Attp-8E; Sun, 08 May 2022 18:40:16 +0000 Received: by mail-pg1-x52d.google.com with SMTP id 7so10259071pga.12; Sun, 08 May 2022 11:40:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=k+SEgZtU6OqEyglEHf513mkMo6bNpZuHdtrr6hv8Nq8=; b=SAISvop68z0vD+mD4/R20kGa98LoxlJ+uBQk0DwsI/NyJTYD4AgTjvxG/cZhEyCY55 QQ3SLLUjtdJgU0qiyWSXJwBQJ1Dm1Cqw9gC6hbJpC+Ys49b5zv2oQx9sTlFh3uZk9I9q Dc5NC9mWIxfyvsYQPbdctiRdViKHc2567iQIdjzj7Rys84xVnudPom0sITZGL2N1PLXK NOFdhrTejbSV8+TyQlL4p9MUJq3Ezd9ryw9wHeHjAGXwv9b6bqVYbkx3rRfcAhF+F0z5 6f/0ckPo16wbrbpb8DeCKrh73d/xV0AlWEKIpkIfQBKC9JwMhGYrUlLbxmIdiMhvU25a G5SQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=k+SEgZtU6OqEyglEHf513mkMo6bNpZuHdtrr6hv8Nq8=; b=zcPjxdwQKElEM3XAg+t6yG4b7b6c+YUOqenqovz7HtnCqq6T/FIYp0Eg3ApBD2m44P ajDGJzjbEjWkSsuSJe8jjkfw/ezy1mZbtTAogpLD6XmNhCHgPz2l01GsyWCAYCveu6/Z ehIdjROdbzCKoa8+S/PY5In0j3ibFoOag4tTj3kFaTgT8Ecj47n5NqjfLwFhydsLVE4d B/h/x9YAU2+vTVrLoZnolj/jkqeUpf1E1v5yH55ZdjLMr/LoqDfCEu5gmFSzYfEhD0JU vBKZU8g4kw5Jcmv3v/ZE2tIMeFa0RYTbevP5AP8ve/jjN2Lo2azN1/tSvTORelOHOYiz sFuw== X-Gm-Message-State: AOAM5321dHx29gqbWSoxv+bly/L49pfCdQt8vmc/7jWAX3TmjggvcVbk 8kGO1yP5TzEc5XcgUutik9s= X-Google-Smtp-Source: ABdhPJzlbs1CoS4KmQp8exvRi+/96RIvfDY0MOLHGDeTBFMfC636egYHAxJMCYFRKhQuaQwr+BNoFg== X-Received: by 2002:a05:6a00:b8b:b0:50d:6080:6be7 with SMTP id g11-20020a056a000b8b00b0050d60806be7mr12703385pfj.56.1652035213112; Sun, 08 May 2022 11:40:13 -0700 (PDT) Received: from [172.30.1.41] ([14.32.163.5]) by smtp.gmail.com with ESMTPSA id s186-20020a625ec3000000b0050dc76281a2sm6970759pfb.124.2022.05.08.11.40.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 08 May 2022 11:40:12 -0700 (PDT) Message-ID: <2b8f0e62-ab3c-23bd-f9e8-590df3af12be@gmail.com> Date: Mon, 9 May 2022 03:40:08 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [RFC PATCH 0/2] rockchip / devfreq: Coordinate DRAM controller resources between ATF and kernel Content-Language: en-US To: Brian Norris , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Heiko Stuebner Cc: linux-kernel@vger.kernel.org, Elaine Zhang , linux-pm@vger.kernel.org, Doug Anderson , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org References: <20220406014842.2771799-1-briannorris@chromium.org> From: Chanwoo Choi In-Reply-To: <20220406014842.2771799-1-briannorris@chromium.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220508_114015_341308_7A0E1AA9 X-CRM114-Status: GOOD ( 15.55 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Brian, On 22. 4. 6. 10:48, Brian Norris wrote: > On Rockchip RK3399, there are a few hardware resources that are shared > between firmware (ARM Trusted Firmware) and kernel (power domain > driver) that need to be coordinated properly for DRAM DVFS to work > reliably. See patch 1 for plenty more description. > > These fixes are based in part on the specification in the RK3399, and in > part based on extrapolation and observation. Any confirmation about the > behavior of PMU_CRU_GATEDIS_CON0, etc., is welcome. > > Otherwise, see the patches. > > Regards, > Brian > > > Brian Norris (2): > soc: rockchip: power-domain: Manage resource conflicts with firmware > PM / devfreq: rk3399_dmc: Block PMU during transitions > > drivers/devfreq/rk3399_dmc.c | 13 ++++ > drivers/soc/rockchip/pm_domains.c | 118 ++++++++++++++++++++++++++++++ > include/soc/rockchip/pm_domains.h | 25 +++++++ > 3 files changed, 156 insertions(+) > create mode 100644 include/soc/rockchip/pm_domains.h > Applied them. with Heiko reviewed-by tag for patch1. -- Best Regards, Samsung Electronics Chanwoo Choi _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel