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[71.197.186.152]) by smtp.gmail.com with ESMTPSA id r28sm3261936pfg.62.2019.09.24.12.10.05 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 24 Sep 2019 12:10:05 -0700 (PDT) From: Kevin Hilman To: Christian Hewitt , Rob Herring , Mark Rutland , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: dts: meson: Add capacity-dmips-mhz attributes to G12B In-Reply-To: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com> References: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com> Date: Tue, 24 Sep 2019 12:10:05 -0700 Message-ID: <7htv915x4i.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190924_121007_455695_CDA9CBE0 X-CRM114-Status: UNSURE ( 8.93 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Frank Hartung , Christian Hewitt Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Christian Hewitt writes: > From: Frank Hartung > > From: Frank Hartung nit: duplicate From line. Removed when applying. > Meson G12B SoCs (S922X and A311D) are a big-little design where not all CPUs > are equal; the A53s cores are weaker than the A72s. > > Include capacity-dmips-mhz properties to tell the OS there is a difference > in processing capacity. The dmips values are based on similar submissions for > other A53/A72 SoCs: HiSilicon 3660 [1] and Rockchip RK3399 [2]. > > This change is particularly beneficial for use-cases like retro gaming where > emulators often run on a single core. The OS now chooses an A72 core instead > of an A53 core. > > [1] https://lore.kernel.org/patchwork/patch/862742/ > [2] https://patchwork.kernel.org/patch/10836577/ > > Signed-off-by: Frank Hartung > Signed-off-by: Christian Hewitt Queued for v5.5, Thanks! Kevin _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic 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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 6AFBBC432C1 for ; Tue, 24 Sep 2019 19:10:16 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4380320872 for ; Tue, 24 Sep 2019 19:10:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qO86yTRf"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="hc1sn9qI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4380320872 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=caaKBMljqPW7yopSDd6Ls1mm1gm92/yBF/jkrSzzf1w=; b=qO86yTRf1lxXcx Bb2kYCf53ww5xxkVzZJ18myZj/p17KcdFHX3cSZ7X6sXSfSgzQkf0GXc2LnqMoZ3nSXA19Gz63RTY j/Np+BSBwkXzXHEk+wvrUiEoguMQnWXQUBwimrlwDggjQ1Pr/TRGRgLx/2W+T8bSTX1maF5U5i0mR i6M9JCRSSznMTEKH44de223vs68m7xeczPUzrad3+tLFG8xVRjI5oZWm235g3UPr1Lfva5TgH6Gjt W75d/tifCH2r6OlRdTgzJy7nO4HCc5RiGyKL4s9Tq2LNzep+MEL6RR/a2wvvBHomdmapkeLb28zVt 5aqzuuJltYQ8U60UGhzA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iCqCR-00058M-6T; Tue, 24 Sep 2019 19:10:11 +0000 Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iCqCN-0004yv-9r for linux-arm-kernel@lists.infradead.org; Tue, 24 Sep 2019 19:10:08 +0000 Received: by mail-pf1-x443.google.com with SMTP id q12so1905497pff.9 for ; Tue, 24 Sep 2019 12:10:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:in-reply-to:references:date:message-id :mime-version; bh=ztDGYJ4coyv+LAVfttrEQdgcMXqg4Kriy9EN3YGCljM=; b=hc1sn9qIKaebOSz9we8ltrjhoIMvLleyAzfBIFg8oVbgZeB7q2cJhQXmas+QaBgGwa YJRVIUXVwHz9kWqcapUr6Ipz/YkKWU8bQ56QBM4F+kT616StfYzq1mHTTQyPKQI9C/CH 8uIOTgdLeZ7flUAX/Rz6SL27oqnDGmx/pe4hErHmDDAFA1YrDPz2YjqgbGCLikM3f99P kjJjgMxmLwyYf32EXJ843imgVokwY/HHzSNj1ZtQfCz97/Pv8lgHx06XEEJm7xokK9zp LhIpX18Y/qNxzlhJckURdplDuevo97mSKW/ciISFXQeSuzmnXMs42TyHjyfxYIQU/dKy Z6dQ== 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:in-reply-to:references:date :message-id:mime-version; bh=ztDGYJ4coyv+LAVfttrEQdgcMXqg4Kriy9EN3YGCljM=; b=YG7lavQ2ad59VpXPmvV7DXCFE8UJzxWNMTTExn5DDR1qSTHVSWIhsS4gJwwrWZEDPH LxllsHSuV2W/1OnCYSq/vWG+qKFURhG92Ah5P7hpHi0PLsnNz26H2EuuPaVbo/uIbUxM iLq5yxGf9kO0MleJS5paFpv2ku84/869F2WoZFStMUrpCgEzJDSCBb7I3+vybPuIeggI uc09l4raxS8BdTHp6V/BG0UdYSGusovo5t64uMfliWzbXb1DgY5LG3uw9aTZ/8QJjMwo 3sHhBVZW60nIGU40oRRnJPrhS40NRchtecY4EDtZiO1oLGGJSIgRopKJlqeGnsLXduN6 SuIQ== X-Gm-Message-State: APjAAAUFZl1aotC8GC0IIwfo2q4YSzI+acbTFiSr8BRKsHTAY8C+tlbb 9OF2zmiw8IvPSYc8VWTVZ4vXeA== X-Google-Smtp-Source: APXvYqya2nPu+2RWqeknPa0vJCecXJC5BrkFYN+q1VPzP0Et4zZGP3Bc2YytDsgp84YFrMCkeCvzpw== X-Received: by 2002:a62:53c7:: with SMTP id h190mr5059698pfb.208.1569352206681; Tue, 24 Sep 2019 12:10:06 -0700 (PDT) Received: from localhost (c-71-197-186-152.hsd1.wa.comcast.net. [71.197.186.152]) by smtp.gmail.com with ESMTPSA id r28sm3261936pfg.62.2019.09.24.12.10.05 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 24 Sep 2019 12:10:05 -0700 (PDT) From: Kevin Hilman To: Christian Hewitt , Rob Herring , Mark Rutland , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] arm64: dts: meson: Add capacity-dmips-mhz attributes to G12B In-Reply-To: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com> References: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com> Date: Tue, 24 Sep 2019 12:10:05 -0700 Message-ID: <7htv915x4i.fsf@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190924_121007_350301_7CE456A5 X-CRM114-Status: GOOD ( 10.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Frank Hartung , Christian Hewitt Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Christian Hewitt writes: > From: Frank Hartung > > From: Frank Hartung nit: duplicate From line. Removed when applying. > Meson G12B SoCs (S922X and A311D) are a big-little design where not all CPUs > are equal; the A53s cores are weaker than the A72s. > > Include capacity-dmips-mhz properties to tell the OS there is a difference > in processing capacity. The dmips values are based on similar submissions for > other A53/A72 SoCs: HiSilicon 3660 [1] and Rockchip RK3399 [2]. > > This change is particularly beneficial for use-cases like retro gaming where > emulators often run on a single core. The OS now chooses an A72 core instead > of an A53 core. > > [1] https://lore.kernel.org/patchwork/patch/862742/ > [2] https://patchwork.kernel.org/patch/10836577/ > > Signed-off-by: Frank Hartung > Signed-off-by: Christian Hewitt Queued for v5.5, Thanks! Kevin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [PATCH] arm64: dts: meson: Add capacity-dmips-mhz attributes to G12B Date: Tue, 24 Sep 2019 12:10:05 -0700 Message-ID: <7htv915x4i.fsf@baylibre.com> References: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com> Sender: linux-kernel-owner@vger.kernel.org To: Rob Herring , Mark Rutland , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Frank Hartung , Christian Hewitt List-Id: devicetree@vger.kernel.org Christian Hewitt writes: > From: Frank Hartung > > From: Frank Hartung nit: duplicate From line. Removed when applying. > Meson G12B SoCs (S922X and A311D) are a big-little design where not all CPUs > are equal; the A53s cores are weaker than the A72s. > > Include capacity-dmips-mhz properties to tell the OS there is a difference > in processing capacity. The dmips values are based on similar submissions for > other A53/A72 SoCs: HiSilicon 3660 [1] and Rockchip RK3399 [2]. > > This change is particularly beneficial for use-cases like retro gaming where > emulators often run on a single core. The OS now chooses an A72 core instead > of an A53 core. > > [1] https://lore.kernel.org/patchwork/patch/862742/ > [2] https://patchwork.kernel.org/patch/10836577/ > > Signed-off-by: Frank Hartung > Signed-off-by: Christian Hewitt Queued for v5.5, Thanks! 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[71.197.186.152]) by smtp.gmail.com with ESMTPSA id r28sm3261936pfg.62.2019.09.24.12.10.05 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 24 Sep 2019 12:10:05 -0700 (PDT) From: Kevin Hilman To: Christian Hewitt , Rob Herring , Mark Rutland , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Frank Hartung , Christian Hewitt Subject: Re: [PATCH] arm64: dts: meson: Add capacity-dmips-mhz attributes to G12B In-Reply-To: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com> References: <1568429380-3231-1-git-send-email-christianshewitt@gmail.com> Date: Tue, 24 Sep 2019 12:10:05 -0700 Message-ID: <7htv915x4i.fsf@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christian Hewitt writes: > From: Frank Hartung > > From: Frank Hartung nit: duplicate From line. Removed when applying. > Meson G12B SoCs (S922X and A311D) are a big-little design where not all CPUs > are equal; the A53s cores are weaker than the A72s. > > Include capacity-dmips-mhz properties to tell the OS there is a difference > in processing capacity. The dmips values are based on similar submissions for > other A53/A72 SoCs: HiSilicon 3660 [1] and Rockchip RK3399 [2]. > > This change is particularly beneficial for use-cases like retro gaming where > emulators often run on a single core. The OS now chooses an A72 core instead > of an A53 core. > > [1] https://lore.kernel.org/patchwork/patch/862742/ > [2] https://patchwork.kernel.org/patch/10836577/ > > Signed-off-by: Frank Hartung > Signed-off-by: Christian Hewitt Queued for v5.5, Thanks! Kevin