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=-4.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS 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 A511BC43381 for ; Sun, 3 Mar 2019 13:36:00 +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 6CE6320857 for ; Sun, 3 Mar 2019 13:36:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="o5chZPoH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CE6320857 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sntech.de 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:References:In-Reply-To: Message-ID:Date: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=gbNXOtkY/V49h3S2rZVExXjFPDM9khrrGc87LCDoep8=; b=o5chZPoHBLHP7S hgWT1Qb8qwPA223CjPwmszURtXCmqA3o1aay6G2yw8PmCc7pWZm+2bMCpljXcKUGPLJBy1I9BP+y3 wGUqhxW4PFDI3GycEPNdi5gTQWgSwEOLc3TpgeAfBcB9u3XpBKifWMvr0L4KWjR37eswv/ILBnUyc vyafB0IxJ8Xh25cOxqtS028ohycbKLULqASkhYaRvL3dr3zuy/Vk6wTD4JsBS2kQGhFKpgadTfUfE GsXnwvUWRukbwvose3BliVW3DeKN7czcoQncqPb6QmkmfiGbjDXqE8hkF6JIB3hnbF21FqNdY8KWW YS3qJ3k+s2yelj0XvSpw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1h0RHU-0002Uv-S1; Sun, 03 Mar 2019 13:35:52 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1h0RHP-0002UX-E0; Sun, 03 Mar 2019 13:35:49 +0000 Received: from p54b26aa0.dip0.t-ipconnect.de ([84.178.106.160] helo=phil.localnet) by gloria.sntech.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1h0RHI-0004wO-RX; Sun, 03 Mar 2019 14:35:40 +0100 From: Heiko Stuebner To: Marc Zyngier Subject: Re: [PATCH v2] arm64: rk3399: Add capacity-dmips-mhz attributes Date: Sun, 03 Mar 2019 14:35:40 +0100 Message-ID: <17649285.loQdcguGhd@phil> In-Reply-To: <20190302131030.2091-1-marc.zyngier@arm.com> References: <20190302131030.2091-1-marc.zyngier@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190303_053547_622894_A42B29AC X-CRM114-Status: GOOD ( 12.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lin Huang , Jeffy Chen , Douglas Anderson , linux-rockchip@lists.infradead.org, Enric Balletbo i Serra , Robin Murphy , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am Samstag, 2. M=E4rz 2019, 14:10:30 CET schrieb Marc Zyngier: > The RK3399 has the interesting property to be a so called "big-little" > system, where not all the CPUs are equal (the A53s are much weaker > than the A72s). > = > So far, we're not telling the OS that there is such a difference in > processing capacity, and Linux assumes that they are equal. Too bad. > = > Let's tell the OS about this by using the capacity-dmips-mhz > property. The values used here are those used on the Juno platform, > which is quite similar. This leads to the scheduler knowing that > it can pack more tasks on the A72s, and leads to a better interactive > experience. > = > Tested-by: Robin Murphy > Signed-off-by: Marc Zyngier Subject "arm64: dts: rockchip: foobar on rk3399" for the future please :-) I've fixed that up and applied the patch for 5.2 Thanks Heiko _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel