From patchwork Wed Dec 16 00:50:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 11976081 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 933D8C4361B for ; Wed, 16 Dec 2020 00:50:42 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 59E8722DA9 for ; Wed, 16 Dec 2020 00:50:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 59E8722DA9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E9D288997A; Wed, 16 Dec 2020 00:50:40 +0000 (UTC) Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7D6708997A for ; Wed, 16 Dec 2020 00:50:35 +0000 (UTC) Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 9A088D95; Wed, 16 Dec 2020 01:50:32 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1608079832; bh=lsoHVe4tePe5S30+UZ7AFMTvL8M0aFLZnLxaRmvrdWQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Gw0JnK5iubpEt8Wlg+tdwK2B02eXU6hphJN0oF9M/2dqr/2YJOoGtPmOn7SWjzwyW Op0WRSNCEdhjAw1zuUHghvNf/KVppwz5MvE4NMrCkLMPkZYt5HiNUi71MPDrY69xRq 51rYpTIur/qkBlTJB+txDTgCE9x3pdSF7KxNceUc= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Subject: [PATCH v2 4/4] drm: rcar-du: Use drm_bridge_connector_init() helper Date: Wed, 16 Dec 2020 02:50:21 +0200 Message-Id: <20201216005021.19518-5-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201216005021.19518-1-laurent.pinchart+renesas@ideasonboard.com> References: <20201216005021.19518-1-laurent.pinchart+renesas@ideasonboard.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-renesas-soc@vger.kernel.org, Kieran Bingham Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Use the drm_bridge_connector_init() helper to create a drm_connector for each output, instead of relying on the bridge drivers doing so. Attach the bridges with the DRM_BRIDGE_ATTACH_NO_CONNECTOR flag to instruct them not to create a connector. Signed-off-by: Laurent Pinchart Reviewed-by: Jacopo Mondi --- drivers/gpu/drm/rcar-du/rcar_du_encoder.c | 25 ++++++++++++++++++----- 1 file changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index ba8c6038cd63..10a66091391a 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -11,6 +11,7 @@ #include #include +#include #include #include #include @@ -61,6 +62,7 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu, struct device_node *enc_node) { struct rcar_du_encoder *renc; + struct drm_connector *connector; struct drm_bridge *bridge; int ret; @@ -122,9 +124,22 @@ int rcar_du_encoder_init(struct rcar_du_device *rcdu, if (ret) return ret; - /* - * Attach the bridge to the encoder. The bridge will create the - * connector. - */ - return drm_bridge_attach(&renc->base, bridge, NULL, 0); + /* Attach the bridge to the encoder. */ + ret = drm_bridge_attach(&renc->base, bridge, NULL, + DRM_BRIDGE_ATTACH_NO_CONNECTOR); + if (ret) { + dev_err(rcdu->dev, "failed to attach bridge for output %u\n", + output); + return ret; + } + + /* Create the connector for the chain of bridges. */ + connector = drm_bridge_connector_init(&rcdu->ddev, &renc->base); + if (IS_ERR(connector)) { + dev_err(rcdu->dev, + "failed to created connector for output %u\n", output); + return PTR_ERR(connector); + } + + return drm_connector_attach_encoder(connector, &renc->base); }