From patchwork Tue Apr 17 22:04:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aaro Koskinen X-Patchwork-Id: 10346955 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2AD0360542 for ; Tue, 17 Apr 2018 22:04:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1505B26D08 for ; Tue, 17 Apr 2018 22:04:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0967E26E69; Tue, 17 Apr 2018 22:04:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 37C0126D08 for ; Tue, 17 Apr 2018 22:04:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751879AbeDQWEI (ORCPT ); Tue, 17 Apr 2018 18:04:08 -0400 Received: from emh06.mail.saunalahti.fi ([62.142.5.116]:37040 "EHLO emh06.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751878AbeDQWEI (ORCPT ); Tue, 17 Apr 2018 18:04:08 -0400 Received: from darkstar.musicnaut.iki.fi (85-76-87-80-nat.elisa-mobile.fi [85.76.87.80]) by emh06.mail.saunalahti.fi (Postfix) with ESMTP id 2C7DA3004E; Wed, 18 Apr 2018 01:04:06 +0300 (EEST) Date: Wed, 18 Apr 2018 01:04:06 +0300 From: Aaro Koskinen To: linux-omap@vger.kernel.org, Tony Lindgren , Tomi Valkeinen Cc: Pavel Machek , Sebastian Reichel Subject: Re: N950 boot/DRM issues with v4.16 Message-ID: <20180417220405.53zt5aut2uf6ijhi@darkstar.musicnaut.iki.fi> References: <20180417212043.o765qto33q3iolwj@darkstar.musicnaut.iki.fi> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20180417212043.o765qto33q3iolwj@darkstar.musicnaut.iki.fi> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Hi, On Wed, Apr 18, 2018 at 12:20:43AM +0300, Aaro Koskinen wrote: > When moving from 4.15 -> 4.16, I see long delays and spam from DRM in dmesg. > > Is this some known issue, or should I try to e.g. bisect it? FWIW, the same > kernel binary works on N900. Apparently N950 display support got enabled in the DTS before it was actually working. I did the following and the boot is as before: (Having in enabled in DTS will break my testing, as I want to use the same kernel binary/configuration also for N900/N950/N9). A. Acked-by: Sebastian Reichel --- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/arch/arm/boot/dts/omap3-n950.dts b/arch/arm/boot/dts/omap3-n950.dts index 2354e09343f3..aa757482d572 100644 --- a/arch/arm/boot/dts/omap3-n950.dts +++ b/arch/arm/boot/dts/omap3-n950.dts @@ -231,6 +231,7 @@ lcd0: display { compatible = "nokia,himalaya", "panel-dsi-cm"; label = "lcd0"; + status = "disabled"; pinctrl-names = "default"; pinctrl-0 = <&display_pins>;