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 8C520C19F4F for ; Wed, 8 May 2024 10:56:56 +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:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=T2NImlQswDbxQbqjEm5Oa1yppZdFnAUvG2zGsiVHDb4=; b=Vdl4Ex39UaBPq4PUrcDkoZa7D4 xY3yAYVLpUn1GdTSEpbYDlyZvFhWFtlFYcxZs5B+QubXCjrKUokOmHS2OwB56K38QgI4Gjurd9o22 rGhP3QGqoytCXQ+JB7y15mWZPN32v2/rT3AYE2srfWkw35pc4k0+GOIPEs/zdcZ84jZQ7rUTuzK1/ Ne9VO3QVKocqiMe5azpFHA4qn2dhSYz5gmEnfrHkhd+23RhOXmsy0iT/pXAHikA8N5Szwox/PBsg4 eOboUEzqJfhw4c/sm2SGmJxw8+0fTN4bN//PsWAmKgCc32sEBxFlQHpFgcqqbPsm2H0K9ZfqiTKw6 BTygiJrw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1s4eyh-0000000F4rO-1NeP; Wed, 08 May 2024 10:56:51 +0000 Received: from mail.manjaro.org ([2a01:4f8:c0c:51f3::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1s4eyc-0000000F4pm-3wAU; Wed, 08 May 2024 10:56:48 +0000 MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=manjaro.org; s=2021; t=1715165799; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=q1YJPcw8u82/f0e/8H7dqvmrq0bVC+AsMym4hYetprs=; b=yClLumxEuEZSr2AK1nmpLpBHXI0d3utHMZ9Mqjy8ucEN5CqY58SmWbh9M8LjTSZDv3W5r+ DJI9/oyRTpecG7o5y2ZDDvdB0AUYGMoRL7g83lIMP031IlCrwNYy4rX/W1WeneCLF/qyMZ nNCoc8cl6xQ7Zhh/5iPFflSwGGPBYJIsKA6RlVT1CNOWTdgwi+bSVBQz9ntBHwVDnjDiSM 8EBrXUlTlXgqW97DXwpdiYCjNaIubyxywfkhRnl42Az6eH1ZHsOWvnDzwbND3Q2hwdtp0A NEB5qdJ7DxxatcLTRBBvJtakfaV20pszJEYREsIcIngkzdBA3zXLt96YV4go9g== Date: Wed, 08 May 2024 12:56:37 +0200 From: Dragan Simic To: Quentin Schulz Cc: Alexey Charkov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Daniel Lezcano , Viresh Kumar , Chen-Yu Tsai , Diederik de Haas , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Kever Yang Subject: Re: [PATCH v4 6/6] arm64: dts: rockchip: Add OPP data for CPU cores on RK3588 In-Reply-To: References: <20240506-rk-dts-additions-v4-0-271023ddfd40@gmail.com> <20240506-rk-dts-additions-v4-6-271023ddfd40@gmail.com> Message-ID: <757286c60ea16cf5c68517b3d098047e@manjaro.org> X-Sender: dsimic@manjaro.org Authentication-Results: ORIGINATING; auth=pass smtp.auth=dsimic@manjaro.org smtp.mailfrom=dsimic@manjaro.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240508_035647_330087_A3A0CA22 X-CRM114-Status: UNSURE ( 7.35 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms 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-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org On 2024-05-08 12:50, Quentin Schulz wrote: > I'm surprised that we removed the lowest frequencies at the same > voltage, are they not even allowing us to save a teeny tiny bit of > power consumption? (I'm asking because I'm pretty sure we'll > eventually get customers complaining the CPU freq doesn't go in super > low frequency "so this must be a way to consume less power in idle!"). Same-voltage, different-frequency OPPs are seen as inefficient, although I don't share the same opinion. While the jury is still out, perhaps we can omit them, and possibly add them later. _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip