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=-10.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 CE626C47404 for ; Wed, 9 Oct 2019 21:33:43 +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 A1A6C206BB for ; Wed, 9 Oct 2019 21:33:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tHqMbSjn"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="PAjqOAGg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A1A6C206BB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gmx.net 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:In-Reply-To:MIME-Version:Date: Message-ID:From:References:To:Subject:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=auzLH2Hsij9jY1sECYzQnsozV35qeSplieF77uWbwl4=; b=tHqMbSjnJ7QWg4 p3Vl384+V2evO3nL7baCFkSWd5qxgRD0W843YYENlNd502ZA7bt9qJ0U3sUCEEvOgDdYH/wDuh6Yy S8snUBAK3dXRv39BePfX30TSa7B4d+qOTnH7eDcETCgRUsnjpy1yxDjbTAt06fqrfep5CnqRO2XB0 BXG62zUnmBGoLexCSraKqdT9E3SI/0xIJ0w2nPCuVMj0wEPfZN8rs5VloeD5aMJszMOPa2VDbltQ1 qVz0/gbN9536bFXm11sMOx9Mxxq7KC2N5r0bbJ4NdwdQaguLGD/dee7bto+E3CZjpGeVYMtsyZE/2 8DH0fvu2aV+pxKFPrBiA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iIJaS-000735-SH; Wed, 09 Oct 2019 21:33:36 +0000 Received: from mout.gmx.net ([212.227.17.21]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iIJaP-00072V-PF for linux-arm-kernel@lists.infradead.org; Wed, 09 Oct 2019 21:33:35 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1570656791; bh=N6lgOy6mySWA02l0xeVs/vxnnGNoWkpNhTKBfor5tx4=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=PAjqOAGgdNSfmbwL4CpATg3VcDexGgoC666Qs4blwm0yhN3YfmCtnwxnwqWKkyWSD aOyhUV75+7JuJuatB4WmDYAWLhf0xIy/15gnKWQYfYbj5Www64AhGO7FwNrb37v/iN Aq3g1IHFxOPkSJRdqGxiKrMAO4ptl65zF4HCpjjg= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.1.162] ([37.4.249.116]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MGhyc-1iMBCX2fVS-00DmkC; Wed, 09 Oct 2019 23:33:11 +0200 Subject: Re: [PATCH] Revert "ARM: bcm283x: Switch V3D over to using the PM driver instead of firmware." To: Florian Fainelli , Eric Anholt , Ray Jui , Scott Branden , Paul Kocialkowski , boris.brezillon@bootlin.com References: <1567957493-4567-1-git-send-email-wahrenst@gmx.net> <26e101ad-8b5b-edef-4437-778bc57ae81f@gmail.com> From: Stefan Wahren Message-ID: <077547f9-e0ec-29a6-6264-0281dac6b8c8@gmx.net> Date: Wed, 9 Oct 2019 23:33:10 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <26e101ad-8b5b-edef-4437-778bc57ae81f@gmail.com> Content-Language: en-US X-Provags-ID: V03:K1:govPV+znmuOpD6OdXdLpDlZkMHQS/50KdDZvWzHbC5pNOX9Oytu L+lJFeLj1LA262nWfNlI/xYOdnB2S77+oBBkeOLzS0w1FVZsYBc+GwMJxVJZt4DdOuSDqJf Exni2pWqSTubW46kw2lwGjRIu4rcp9ObgL1HVfhdlgf7Q6dBeJYHXwKg8ZQAxacyJNYpD9I AFm2ipzALuW2J/FgxuXGw== X-UI-Out-Filterresults: notjunk:1;V03:K0:BUhUngg8Tm8=:Q6+z5pKzRcXVpe420A6dwf 9kNjKti++ZMv/uviufVwOXvkl/po7it5pdR8xNA6R1Tp8m1tQfHx0grSEHeMm71DS7WpjJyzw LRStrUU59wSWwEdfZ3IRbSEPmqsYIjt1BVRFlV0ADWyQmVUptysh2iyjPHhtA0M1XVZ8a6FIs BsJ0pa0qwySGei1AQw9c/67FrKW7ir/N0h7/gKngawYhv8hoTpSDEmIkJL9BEHph1GZFHOT95 jT4X+Ff1ItCRwu4fK1mQXoC+16MpHNHMbW/6kd8dieKQXPVy66nQjJ66W1gWZNPCIjhOhMdrA dRf7KSHsvxZU3o+gTewBrxx+lHV9PDQdwj379MRsRE5WNY8L5OgDPe9Kk6V1zwJjSvLXinifx MllszqpIhkGY0KIlKJit07107OqPy0gcobEb+J1yxUGM7sZBJ0bpc8jOiHEApqffwLrJFMkvZ OIRkhK634F0jMM+++OFU/PTjdM8upZL+ldl5M4pUWTBRx1DN6Qp/+RNJVbrwdFgAIsZiFAPz5 puup0fVWnFfW0S746zRJg74oZ3FtRPNqKYjZaL2BAn6yXFk51K9IXtBGP9NnVY3/2ggl+l4o2 1HIkFLfvSDG8UN2+14qwoTo2urRmfdMXeIhJHmlHabW8gfK24FcOVMbylcrKfOmBGf9zH851u DsJzvhs+LqYUjAaRMcKQB0ltCmfGFpARIjiMPuOb4Eit1sfRnmQNqoG4Yn8ACQo+Tacon2pDh vaQ5YhHG+Gx/Hrj9uY/zhe3TNg1tp7ev8EPKfshKzw3Ik69p7NyEdTey4i4+g3uExCaM53q7G uibZNf/fruMx3ILGJ6EJY5X6pRN9rPBlk7i4dXLyeiJRMLuDJXOsMg+tw2K5oMWY0OQLk3Fha 2EHcvP9jvnvLfefPB/nf7hoIsScROxmOvGLgd972b59ibxafaMuyvK3PihTIigEjW+DlT9fc8 +22PWRaEx/y4DOjj5SEhSiDYk9bZSQf8SzMiAg/nLXMhHBJF2On3Qw7YwV6dO5aDEUlKpuwpC 45XdjN3b8a95y30nsz9sQWvXcsTv5RfMMvnL0jATNzi7KJEY1bXgmtOCiBBXqdMOKGfXkAz/n U7IYEV1cPXIWCUqknDvIBwKQE3ipdAIJ4uNPiHrj0FRaaFdnvkhiSVnu1ost4TY8ZLf2b5N1E 2LwA5sB7/EuTvC1CGe/3AJjXzd2RwL9bnHmWBeTdxnDUmIKKAPAklCUaOIb6Te9qk74RMU55Y OQQPRsukBhSz6DTujKZusbY7EiskSwF2qErGMwP9bhANv5siDAfFgB8Zobbg= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191009_143334_153003_40D3C2B5 X-CRM114-Status: GOOD ( 14.60 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: bcm-kernel-feedback-list@broadcom.com, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Florian, Am 23.09.19 um 20:56 schrieb Florian Fainelli: > > On 9/8/2019 8:44 AM, Stefan Wahren wrote: >> Since release of the new BCM2835 PM driver there has been several reports >> of V3D probing issues. This is caused by timeouts during powering-up the >> GRAFX PM domain: >> >> bcm2835-power: Timeout waiting for grafx power OK >> >> I was able to reproduce this reliable on my Raspberry Pi 3B+ after setting >> force_turbo=1 in the firmware configuration. Since there are no issues >> using the firmware PM driver with the same setup, there must be an issue >> in the BCM2835 PM driver. >> >> Unfortunately there hasn't been much progress in identifying the root cause >> since June (mostly in the lack of documentation), so i decided to switch >> back until the issue in the BCM2835 PM driver is fixed. >> >> Link: https://github.com/raspberrypi/linux/issues/3046 >> Fixes: e1dc2b2e1bef (" ARM: bcm283x: Switch V3D over to using the PM driver instead of firmware.") >> Cc: stable@vger.kernel.org >> Signed-off-by: Stefan Wahren > Applied to devicetree/fixes, thanks! i noticed that X hangs with recent Raspbian and Linux 5.4-rc2 after this revert has been applied. Is there a chance to drop the revert? Stefan _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel