From patchwork Tue Dec 20 01:33:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 9480973 X-Patchwork-Delegate: geert@linux-m68k.org 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 0C84E607FF for ; Tue, 20 Dec 2016 01:33:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F2C2C27CF3 for ; Tue, 20 Dec 2016 01:33:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E79BB284C0; Tue, 20 Dec 2016 01:33:55 +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=-7.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, 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 9B7EA27CF3 for ; Tue, 20 Dec 2016 01:33:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932656AbcLTBdx (ORCPT ); Mon, 19 Dec 2016 20:33:53 -0500 Received: from galahad.ideasonboard.com ([185.26.127.97]:41469 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932263AbcLTBdw (ORCPT ); Mon, 19 Dec 2016 20:33:52 -0500 Received: from avalon.bb.dnainternet.fi (dfj612ybrt5fhg77mgycy-3.rev.dnainternet.fi [IPv6:2001:14ba:21f5:5b00:2e86:4862:ef6a:2804]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id EF2702111A; Tue, 20 Dec 2016 02:33:34 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1482197615; bh=e3Fr0NX5TwB1CE4td77UO0mRMokxs2KHuTppRkYrXvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E4YTq0OQrmB0q9d9YJu2G7eeUI68Oz3fYU3YFdqUK6fSYdv1YLfiKQt09ovb2/v50 gEsY/4XNwtXAC6LyE+NOShZrdapfi/Guho8dBeW7WT/fHNJQxgqe9KhFoR6dDVsmsS 0xfYHhAc8lKklq83wi7i8ygk+It90a3DjODp7VcQ= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Cc: Andy Yan , Fabio Estevam , Jose Abreu , Kieran Bingham , Russell King , Ulrich Hecht , Vladimir Zapolskiy , linux-renesas-soc@vger.kernel.org Subject: [PATCH v2 24/29] drm: rcar-du: Skip disabled outputs Date: Tue, 20 Dec 2016 03:33:55 +0200 Message-Id: <20161220013400.28317-25-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20161220013400.28317-1-laurent.pinchart+renesas@ideasonboard.com> References: <20161220013400.28317-1-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When a DT node connected to a DU output is disabled no bridge will ever be instantiated for it. Skip the output in that case. Signed-off-by: Laurent Pinchart --- drivers/gpu/drm/rcar-du/rcar_du_kms.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index aa84689043ae..7a6bd8bdba05 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -384,6 +384,13 @@ static int rcar_du_encoders_init_one(struct rcar_du_device *rcdu, return -ENODEV; } + if (!of_device_is_available(entity)) { + dev_dbg(rcdu->dev, + "connected entity %s is disabled, skipping\n", + entity->full_name); + return -ENODEV; + } + entity_ep_node = of_parse_phandle(ep->local_node, "remote-endpoint", 0); for_each_endpoint_of_node(entity, ep_node) {