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[23.128.96.33]) by mx.google.com with ESMTPS id p5-20020a17090a4f0500b0028ac61f561fsi3271404pjh.186.2023.12.13.18.23.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Dec 2023 18:23:05 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=g5fmfBnw; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by lipwig.vger.email (Postfix) with ESMTP id CA29080CF531; Wed, 13 Dec 2023 18:23:02 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at lipwig.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443035AbjLNCWu (ORCPT + 99 others); Wed, 13 Dec 2023 21:22:50 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230096AbjLNCWt (ORCPT ); Wed, 13 Dec 2023 21:22:49 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8D61BE8 for ; Wed, 13 Dec 2023 18:22:56 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B072EC433C8; Thu, 14 Dec 2023 02:22:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702520576; bh=2dqkUnZ1w5W8BpfqSy59Jzx5XEg6Jju97Zl3wCZcXxQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=g5fmfBnw3u/yd+Ht1gxWaPfmtx7C66PTdnKAGR7naXR5IEZxeYgrrXTKVl1aiUWOQ xt3IdmQuT1bKJ2SbgL9kZirfAVXPudFp7hZrw+G/sRIlZGS+eb+VOksqB6PSXHYfKD oCMWWfSVvyHSa2JAQ9Cg2jurO5i2jyj+GWpdwKb+5dUyMC6jiNzmBpPL+Z1EmrJ04g uTi/v6qoBZoMgSzBBxJRyLd6B0O1K/MQQ7TuXbNvt1U8V/fwBXfOcQ2JncXow9v6EL l1G9WpF7bWXFUTM4VIGDJvgIdo+XLKeYMaFx6S95Rj/NBE8KFS+Ghs/OQyue0kFJ6S HiQirgm9xLPzA== Date: Thu, 14 Dec 2023 10:22:50 +0800 From: Shawn Guo To: Adam Ford Cc: linux-arm-kernel@lists.infradead.org, aford@beaconembedded.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Lucas Stach , Frieder Schrempf , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] arm64: dts: imx8mm: Reduce GPU to nominal speed Message-ID: <20231214022250.GY270430@dragon> References: <20231128200219.226038-1-aford173@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231128200219.226038-1-aford173@gmail.com> X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Wed, 13 Dec 2023 18:23:02 -0800 (PST) On Tue, Nov 28, 2023 at 02:02:16PM -0600, Adam Ford wrote: > When the GPU nodes were added, the GPU_PLL_OUT was configured > for 1000MHz, but this requires the SoC to run in overdrive mode > which requires an elevated voltage operating point. > > Since this may run some boards out of spec, the default clock > should be set to 800MHz for nominal operating mode. Boards > that run at the higher voltage can update their clocks > accordingly. > > Fixes: 4523be8e46be ("arm64: dts: imx8mm: Add GPU nodes for 2D and 3D core") > Signed-off-by: Adam Ford Applied all, thanks!