Received: by 2002:a05:7412:b795:b0:e2:908c:2ebd with SMTP id iv21csp434065rdb; Thu, 2 Nov 2023 07:54:24 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFMe8crFMtn5zi213SMrcTMEdD0dGwfsvK8ZSC0cjiwx3vD9ufkvJTdRZlJhng2IaA5Fhew X-Received: by 2002:a05:6a20:7345:b0:17b:2df4:87ed with SMTP id v5-20020a056a20734500b0017b2df487edmr18695724pzc.17.1698936864105; Thu, 02 Nov 2023 07:54:24 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1698936864; cv=none; d=google.com; s=arc-20160816; b=KVzJcVmKKlvhLIl1Y5oO2eQVCao8fEaPK3j7qRIn+ra2mSoP2SYyhRl1+tiRBPPvZz K8p9qEfWt3Dos/cDWm47+hBvxWgrKgnKELum1NiIFihX9mikklDhk1o3xzEy587SKMa9 m2VjOQFYuxkPqR9BFRkefYzg97JQRo/ZjrqVLg2CRT5mD0JlKkBbx5BStmzyYEOu2slz GuzNNGeyN42VT4Yt/UHJvUoTCRdRYMPIZu7W4kU9rejd2uu76Uf2+UkRgcWSHpzlJVi4 4FdzLRzj/M5R6l/Y216TandVKA/hl9OxIIUEY7/3g/iE7AqYX6gyprqm0uYqwsVqeuCd LqxA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=+iu3xnJiiJxklFBlsbjY2xu5RILQX7xxf3Zf/QA9y0g=; fh=TFur2nKB70GBloEPQtGUmlHr+nw4OocsKRzC2OcuEto=; b=vzXX4U/QzI4foGEIBjGe1Es6vON4WJkhZ9DGoVqqAWzxXpAhgtuWTFYSAAvoqVUEWm rugzNDpznyQaIMST72ZtdHy3O64MF4AJ9IhfsY/OOwK2SVKQnbAISlfJ/6SDBcyAwYfs f1EM8pw3p4vcZHk5ae/+TDnncdNo2FJWF9yuJbW8ppvqy5Nj6IS9o2ESi+ddidgr57+9 AXzu72pboWWje7OuOYbKh9GAm94Kd7+r0YuKRHASCaNZJP371+tor/MIXENdBqx+YM79 PATdV6jdj0119Cg+adElbTA17HDrdm82oXCfsVRW//mVBL9yPL/o0AP30xpE8wgog+JK SiGA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from snail.vger.email (snail.vger.email. [2620:137:e000::3:7]) by mx.google.com with ESMTPS id i185-20020a6387c2000000b005b928e3942csi1789550pge.74.2023.11.02.07.54.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Nov 2023 07:54:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 167348238B5D; Thu, 2 Nov 2023 07:54:21 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232828AbjKBOyU (ORCPT + 99 others); Thu, 2 Nov 2023 10:54:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229596AbjKBOyT (ORCPT ); Thu, 2 Nov 2023 10:54:19 -0400 Received: from mail11.truemail.it (mail11.truemail.it [217.194.8.81]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B6FF12F for ; Thu, 2 Nov 2023 07:54:14 -0700 (PDT) Received: from francesco-nb.int.toradex.com (93-49-2-63.ip317.fastwebnet.it [93.49.2.63]) by mail11.truemail.it (Postfix) with ESMTPA id F2536207BE; Thu, 2 Nov 2023 15:54:09 +0100 (CET) Date: Thu, 2 Nov 2023 15:54:05 +0100 From: Francesco Dolcini To: Tomi Valkeinen Cc: Aradhya Bhatia , Devarsh Thakkar , Jyri Sarha , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Laurent Pinchart Subject: Re: [PATCH 07/10] drm/tidss: Fix dss reset Message-ID: References: <20231101-tidss-probe-v1-0-45149e0f9415@ideasonboard.com> <20231101-tidss-probe-v1-7-45149e0f9415@ideasonboard.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231101-tidss-probe-v1-7-45149e0f9415@ideasonboard.com> X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_PASS,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net 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 (snail.vger.email [0.0.0.0]); Thu, 02 Nov 2023 07:54:21 -0700 (PDT) On Wed, Nov 01, 2023 at 11:17:44AM +0200, Tomi Valkeinen wrote: > The probe function calls dispc_softreset() before runtime PM is enabled > and without enabling any of the DSS clocks. This happens to work by > luck, and we need to make sure the DSS HW is active and the fclk is > enabled. Not sure on the exact implication here, however from the description this seems a candidate for stable and would need a Fixes tag. Francesco