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=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS 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 21495C432C1 for ; Tue, 24 Sep 2019 19:10:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED62B20872 for ; Tue, 24 Sep 2019 19:10:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="hc1sn9qI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2441870AbfIXTKI (ORCPT ); Tue, 24 Sep 2019 15:10:08 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:35536 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2436860AbfIXTKH (ORCPT ); Tue, 24 Sep 2019 15:10:07 -0400 Received: by mail-pg1-f194.google.com with SMTP id a24so1833448pgj.2 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=jrc08d/h3fzLT86rX0Mzof7gIr36u9Hr56ydsOIzTYF3jhDYKYYqgfoKW4G1lLfZiI FU7YENzyq636eZf1XZjYs0ENteYjYe16eiCExXkmzqiu7+fg63LCFLfnCVYffa+sRUVw 1vS5QjTsfXNIwp26tizgR+3tI5/q3+ewfb6BpeNzlyAK3u+1bA/w7/m9HlYNvz69+2vX U+IP5HgaiTB7NbCid5aayeHzV5brmnEx48cE+HDvS0W7Oetd9hTdLJtEBYyBHKo/PmJM al31+50nw1EL9rDLvdnmnvjmHkcwFYGmz82PvCvFhL747V5fDiipeXXrHuAl4dpgavlP i2wQ== X-Gm-Message-State: APjAAAWPBdMRTwb83NOejvz7VadforQqFxyPywkYzn0Os2+O50Cbo2lt 0T5Q6KRUVxV/BtmGI6YFGyvg4w== 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 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