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=-6.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS 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 752BEC10F13 for ; Mon, 8 Apr 2019 20:37:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B02C20863 for ; Mon, 8 Apr 2019 20:37:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="kRp7SQEg" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728803AbfDHUh6 (ORCPT ); Mon, 8 Apr 2019 16:37:58 -0400 Received: from mail-lf1-f66.google.com ([209.85.167.66]:43648 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726240AbfDHUh5 (ORCPT ); Mon, 8 Apr 2019 16:37:57 -0400 Received: by mail-lf1-f66.google.com with SMTP id g7so10498463lfh.10; Mon, 08 Apr 2019 13:37:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=jIbTKZIfagUxRm4xxMZlgPKhmAJ2BsD9a15PdipvXg4=; b=kRp7SQEgOAAA84V9+wlp4qE030zmsGwRehjzojxapVCUynPbRpOlLuxpg5a2K3KNW1 g5sOWV0J9T4Fg2vfqWxaivOaySbl/u5Ih+StQcPTysJYZBTM5FsaLlULS0PnTc06IGU7 8D2K2kAkB9ww6z/4TfSulXEnwd5JwEe6iFmsuBQXxBH16zd9Ns791PxHbf8wMsk8Kj3i NjemEPwZmrqTHoDgmirek/jmc+ymeTaPw8+/r4xagK5tWyqIAu5nhzv6H7GtC+IuXSPa YIBIVuzvzD15LTvv3YQjDlAUFn4y0QpR/Y860NThl7O74wQmvKSrVQF/Z5wi6U+5t6Ws Hhfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=jIbTKZIfagUxRm4xxMZlgPKhmAJ2BsD9a15PdipvXg4=; b=Afn18uMwv1LWx+IK31iLb05WKBE3mlD0AZ2Ri2snA84raVh8viHyC9/HCxVlV+3opo 2i6FYmF2ffQYztP0z1ZPpZlPCKXEOAMwVcb9fIU/76dsrsjHLkeGwdg+wCStXACbFJfa 9QNpJ2fa5OquV7N7CdWK/QGGm80IBB03ra3kjYxgOfPzQNnQYfS9mdLKpRcCv/b2G906 sejkz2KzPfqAyxJKlqhfSk/GgIWsV5K8yKoR8n7CALbP5FWvgZZYC8nU/CIX7UdDA4gx NA8GLA91RHlPALWrgJ8/IbVrEXeV9SdtY/2KL1zVfQeF8crw5QXkq1+Yg3lBZh+ueFF1 Iwwg== X-Gm-Message-State: APjAAAW6rh+Zw+dsfg0JoilqokVoEHbAzcDPYaT8Bggs6PUBCvC6+j3f 89H23fDhU6Qg7LNr/JPt68Ecqp/h7TwQAcOlnXo= X-Google-Smtp-Source: APXvYqwuSq1zNYDk55/PkGJ4yvYVnAHaIXV6rYm75kb5kPZgJi/g6r57zurp2MvaQhRT2eAJTJhdNW3CRfzJcbgRNbY= X-Received: by 2002:a19:6b14:: with SMTP id d20mr10105768lfa.152.1554755875612; Mon, 08 Apr 2019 13:37:55 -0700 (PDT) MIME-Version: 1.0 References: <20190408175319.9106-1-robert.foss@collabora.com> In-Reply-To: <20190408175319.9106-1-robert.foss@collabora.com> From: Fabio Estevam Date: Mon, 8 Apr 2019 17:37:47 -0300 Message-ID: Subject: Re: [PATCH] ARM: dts: imx6qdl-nitrogen6_max: Disable LVDS channels To: Robert Foss , Gary Bisson Cc: Shawn Guo , Sascha Hauer , Sascha Hauer , Fabio Estevam , NXP Linux Team , Rob Herring , Mark Rutland , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , linux-kernel Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Robert, [Adding Gary] On Mon, Apr 8, 2019 at 2:54 PM Robert Foss wrote: > > If a LVDS device is not connected, having the LVDS channels > enabled will prevent imx-ldb from probing correctly even > if other CRTCs are connected. > > Signed-off-by: Robert Foss > --- > arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi b/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi > index 39200e5dc896..5b413cf4c250 100644 > --- a/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi > +++ b/arch/arm/boot/dts/imx6qdl-nitrogen6_max.dtsi > @@ -703,7 +703,7 @@ > status = "okay"; > > lvds-channel@0 { > - status = "okay"; > + status = "disabled"; > > port@4 { > reg = <4>; > @@ -715,7 +715,7 @@ > }; > > lvds-channel@1 { > - status = "okay"; > + status = "disabled"; I am not sure I understood what you are trying to fix. Could you please share some logs when imx-ldb fails to probe correctly? Is this a regression?