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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 673C8C76191 for ; Wed, 24 Jul 2019 07:29:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3C79722ADF for ; Wed, 24 Jul 2019 07:29:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726115AbfGXH3N (ORCPT ); Wed, 24 Jul 2019 03:29:13 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:42542 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725883AbfGXH3M (ORCPT ); Wed, 24 Jul 2019 03:29:12 -0400 Received: by mail-wr1-f67.google.com with SMTP id x1so30748281wrr.9; Wed, 24 Jul 2019 00:29:11 -0700 (PDT) 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=BCmdtnUP7aJRqucr3vaspkGGjkcYN7cm9GbUeSOpXg4=; b=f+FVHAWiw5IxkeUeIF0YCKILd2Gvm/wAjG8F2W3gjNa+sf2gkPVXTYFDVyg+dldStX KO25obr2KDPbmIGe4fvi4wzwBcqfNP8YPYPAEuxxyFe39LA56JK5EcucpHpRb5uQz14G NfWgdildJhzjd/7R/ENzws84x6XVjKjdQ6s30K78sGQIw+RLMSaeqctE3VMeKbhBl5gR vlr1/wvbw2LBBR/dnDRuYz3X7XAi7G02EpnxSSDOoGq5Zc0PeygVm0AFL+GTu3384RmV 8WXvdW/M7mogB9NI1DlHS7+sKRh5352pE3g457vcLyWVx6PPcYMfJRk7e5grQL0ywaz8 7JYg== X-Gm-Message-State: APjAAAX4KROIMaH0kKmX++5u7d/QPfdzKcimEEziMP/6qYtpVYiWHPAg 4nfF5oEut/CJobSD6+D12taBByhqi12jDahH6rg= X-Google-Smtp-Source: APXvYqzvZJmXGo8K7zyPAWumLL81AOZ5k2RFLEJ80iQmYUwi0sTJbgdZuIX9S087bLR8+VNHitysCdfq+J8rfAU7zb4= X-Received: by 2002:adf:ab51:: with SMTP id r17mr59437897wrc.95.1563953350570; Wed, 24 Jul 2019 00:29:10 -0700 (PDT) MIME-Version: 1.0 References: <20190723165700.13124-1-jacopo+renesas@jmondi.org> In-Reply-To: <20190723165700.13124-1-jacopo+renesas@jmondi.org> From: Geert Uytterhoeven Date: Wed, 24 Jul 2019 09:28:58 +0200 Message-ID: Subject: Re: [PATCH] drm: rcar_lvds: Fix dual link mode operations To: Jacopo Mondi Cc: Laurent Pinchart , Kieran Bingham , David Airlie , Daniel Vetter , Fabrizio Castro , "open list:DRM DRIVERS FOR RENESAS" , "open list:DRM DRIVERS FOR RENESAS" , open list 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 Jacopo, On Wed, Jul 24, 2019 at 3:38 AM Jacopo Mondi wrote: > The R-Car LVDS encoder units support dual-link operations by splitting > the pixel output between the primary encoder and the companion one. > > In order for the primary encoder to succesfully control the companion's > operations this should not fail at probe time and register itself its > associated drm bridge so that the primary one can find it. > > Currently the companion encoder fails at probe time, causing the > registration of the primary to fail preventing the whole DU unit to be > registered correctly. > > Fixes: fa440d870358 ("drm: rcar-du: lvds: Add support for dual-link mode") > Reported-by: Fabrizio Castro > Signed-off-by: Jacopo Mondi > > --- > The "Fixes" tag refers to a patch currently part of the > renesas-drivers-2019-07-09-v5.2 branch of Geert's renesas-drivers tree. The broken commit is also present in v5.3-rc1. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds