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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no 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 B4176C3A59E for ; Wed, 21 Aug 2019 18:51:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 83C44214DA for ; Wed, 21 Aug 2019 18:51:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="FF/X3xYQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728880AbfHUSvf (ORCPT ); Wed, 21 Aug 2019 14:51:35 -0400 Received: from perceval.ideasonboard.com ([213.167.242.64]:60450 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727491AbfHUSvf (ORCPT ); Wed, 21 Aug 2019 14:51:35 -0400 Received: from pendragon.ideasonboard.com (dfj612yhrgyx302h3jwwy-3.rev.dnainternet.fi [IPv6:2001:14ba:21f5:5b00:ce28:277f:58d7:3ca4]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id D726153E; Wed, 21 Aug 2019 20:51:32 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1566413493; bh=uyEkXtlwR/bW4mOjE8+U4TKPedBfZX8cpfEwLT8Arss=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=FF/X3xYQOw4kUXu+3AkovRkLqS3XRZhVDwJVAQmjew1baXRT2W50pkhZxQbAyUMql bFZqI4LJrNAwSpYSOQHMWGKq1ul4nRz7DOVbhnzdNU4n+YNg7yyEDPXC7Tm4HYjyRw kbl7mIOdrLrfdfxsca+iXx8/hxgGvl6XLVE5wfmQ= Date: Wed, 21 Aug 2019 21:51:27 +0300 From: Laurent Pinchart To: Adam Ford Cc: Aaro Koskinen , Tomi Valkeinen , Sebastian Reichel , Linux-OMAP , Linux Kernel Mailing List Subject: Re: OMAP DRM regression on N900 Message-ID: <20190821185127.GD26759@pendragon.ideasonboard.com> References: <20190818140838.GC30291@darkstar.musicnaut.iki.fi> <20190821183123.GC26759@pendragon.ideasonboard.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Adam, On Wed, Aug 21, 2019 at 01:45:28PM -0500, Adam Ford wrote: > On Wed, Aug 21, 2019 at 1:37 PM Laurent Pinchart wrote: > > On Sun, Aug 18, 2019 at 05:08:38PM +0300, Aaro Koskinen wrote: > > > Hi, > > > > > > I haven't got display working on N900 since v5.1. Bisected to: > > > > > > d17eb4537a7eb16da9eafbfd5717e12b45b77251 is the first bad commit > > > commit d17eb4537a7eb16da9eafbfd5717e12b45b77251 > > > Author: Laurent Pinchart > > > Date: Wed Sep 12 19:41:31 2018 +0300 > > > > > > drm/omap: Factor out common init/cleanup code for output devices > > > > Sorry :-( > > > > I'll send a tentative fix, I'd appreciate if you could test it. > > Can you point me to this patch? I was in the process of > troubleshooting both a DM37, OMAP35 and AM35 board who all have blank > screens. I'd like to try this patch too. https://lists.freedesktop.org/archives/dri-devel/2019-August/232222.html I forgot to CC linux-omap, I'll bounce the patch to do so now. > > > looks like with this commit I get only the TV out: > > > > > > $ ls -l /sys/class/drm/ > > > total 0 > > > lrwxrwxrwx 1 root root 0 Aug 18 16:15 card0 -> ../../devices/platform/omapdrm.0/drm/card0 > > > lrwxrwxrwx 1 root root 0 Aug 18 16:15 card0-SVIDEO-1 -> ../../devices/platform/omapdrm.0/drm/card0/card0-SVIDEO-1 > > > lrwxrwxrwx 1 root root 0 Aug 18 16:15 renderD128 -> ../../devices/platform/omapdrm.0/drm/renderD128 > > > -r--r--r-- 1 root root 4096 Aug 18 16:15 version > > > > > > with the previous commit both outputs are there: > > > > > > $ ls -l /sys/class/drm/ > > > total 0 > > > lrwxrwxrwx 1 root root 0 Aug 18 16:28 card0 -> ../../devices/platform/omapdrm.0/drm/card0 > > > lrwxrwxrwx 1 root root 0 Aug 18 16:28 card0-LVDS-1 -> ../../devices/platform/omapdrm.0/drm/card0/card0-LVDS-1 > > > lrwxrwxrwx 1 root root 0 Aug 18 16:28 card0-SVIDEO-1 -> ../../devices/platform/omapdrm.0/drm/card0/card0-SVIDEO-1 > > > lrwxrwxrwx 1 root root 0 Aug 18 16:28 renderD128 -> ../../devices/platform/omapdrm.0/drm/renderD128 > > > -r--r--r-- 1 root root 4096 Aug 18 16:28 version > > > > > > Used .config below. > > > > [snip] -- Regards, Laurent Pinchart