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 2820BC433EF for ; Sun, 21 Nov 2021 02:25:32 +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-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xf2D/0RTTZJ9vnIDa76MOFtT1FmqtFJncCbotgw+ZE8=; b=rKMvX03r2z/xQ6 /Lpl/jHKpuuZ+rr1dqqkFwd869am66B84j7FQLAr6HBQk9mvqzVsfVSbyGkKUzIzZZvaVhg7LK/lB eA+TVZmmWjnvQ8kQUdrExBIaj5/GTR5IpQUiblCOQZDGKAl/FQTQqZrqsllvPOdL75LwOBcxiz/06 jap2KVdBK7HdP42pq6cQb1gJBhcIB4VM5zaZNzA0f30vGEAhoQcSzhU7FkFqyYOVSXTLvWubapKgy 2vxKXwlJMmeut5iFRFzVZgdtZxZFvgkGoXB2EKQ8LOXumx5eUK0s24K0STtv8zmIpC9J8k/jqauyQ gBIRrz5nAiMm5N48rFng==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mocWX-00DB6R-Nn; Sun, 21 Nov 2021 02:24:09 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mocWU-00DB65-6e for linux-arm-kernel@lists.infradead.org; Sun, 21 Nov 2021 02:24:07 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9B67F60551; Sun, 21 Nov 2021 02:24:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1637461445; bh=I0MWQ77LV/34RhrW1Y8cS/MTZ/d4To6DFJHlN0g2OzE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ivQviMWI8UOZ/KN417vkNeVUF6Filp7siqVAMkDGviBFkNgHFvAD6aYZK1rCnAf+L Af3sCQBEzQ5OrvF2fFIk8rBnSRpUBu1/pKI2V+MM0OgrYY2NSVNF7AFWIhyCgG49tG gzmsU8Y66gx15+AVjIPdMMq5c9FKR8uN4yVi7EbYh/KusA5+Id3gTx4YqguIqC0X2p l6wPsM/K4lg1FvChBFSfOaMBflgt1wlPfsZmNk9WX7vdTDVvj7tobEQXSGqYpfyA4Q AjFww58MQci4Nw89Cr4YK7mCuGzsSgG5oUF+o5FduYm3aTVPdbzzhOdYVCOp7m8TUn y1ItFc89jie1Q== Date: Sun, 21 Nov 2021 10:24:00 +0800 From: Shawn Guo To: Marek Vasut Cc: linux-arm-kernel@lists.infradead.org, Frieder Schrempf , Lucas Stach , NXP Linux Team , Peng Fan Subject: Re: [PATCH] soc: imx: gpcv2: Synchronously suspend MIX domains Message-ID: <20211121022400.GE31998@dragon> References: <20211016210547.171717-1-marex@denx.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211016210547.171717-1-marex@denx.de> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211120_182406_280133_6611DDA0 X-CRM114-Status: UNSURE ( 8.76 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Oct 16, 2021 at 11:05:47PM +0200, Marek Vasut wrote: > In case the following power domain sequence happens, iMX8M Mini always hangs: > gpumix:on -> gpu:on -> gpu:off -> gpu:on > This is likely due to another quirk of the GPC block. This situation can be > prevented by always synchronously powering off both the domain and MIX domain. > Make it so. This turns the aforementioned sequence into: > gpumix:on -> gpu:on -> gpu:off -> gpumix:off -> gpumix:on -> gpu:on > > Signed-off-by: Marek Vasut > Cc: Frieder Schrempf > Cc: Lucas Stach > Cc: NXP Linux Team > Cc: Peng Fan > Cc: Shawn Guo Applied, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel