From patchwork Sun Feb 16 21:02:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 11384719 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 77FA192A for ; Sun, 16 Feb 2020 21:04:09 +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 56E422084E for ; Sun, 16 Feb 2020 21:04:09 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="oHgdsZml" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 56E422084E 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 08D996E48C; Sun, 16 Feb 2020 21:03:54 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org 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 39E716E2A3 for ; Sun, 16 Feb 2020 21:03:49 +0000 (UTC) Received: from pendragon.bb.dnainternet.fi (81-175-216-236.bb.dnainternet.fi [81.175.216.236]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 854C8D9B; Sun, 16 Feb 2020 22:03:47 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1581887027; bh=txXGaU0Q3ccuIHtLJC8WzOtAMo8o9eUrVUwTriYcS0g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oHgdsZmlOrpV7ZHq32Da+lSWoRsWD+Zgu/qI2mlQHmsqL6kM7/2tQ4O3AChKaYFGd OAOvb5DalYM/bmqECTE/74o2x0pPi9weJXPxh81xmFG6E+94oFvrJkh7dopKsLAbzI v8pb+OS/qnlXUKNgLGryMW0YJ1kiMNMRBQLCCT/k= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Subject: [PATCH v6 16/51] drm/bridge: tfp410: Allow operation without drm_connector Date: Sun, 16 Feb 2020 23:02:33 +0200 Message-Id: <20200216210308.17312-17-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200216210308.17312-1-laurent.pinchart@ideasonboard.com> References: <20200216210308.17312-1-laurent.pinchart@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: Tomi Valkeinen , Sam Ravnborg , Sebastian Reichel , Boris Brezillon Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The tfp410 driver can operate as part of a pipeline where the drm_connector is created by the display controller. Enable this mode of operation by skipping creation of a drm_connector internally. Signed-off-by: Laurent Pinchart Reviewed-by: Boris Brezillon Acked-by: Sam Ravnborg --- drivers/gpu/drm/bridge/ti-tfp410.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c index 2b8741ebc696..40c4d4a5517b 100644 --- a/drivers/gpu/drm/bridge/ti-tfp410.c +++ b/drivers/gpu/drm/bridge/ti-tfp410.c @@ -124,10 +124,8 @@ static int tfp410_attach(struct drm_bridge *bridge, if (ret < 0) return ret; - if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) { - DRM_ERROR("Fix bridge driver to make connector optional!"); - return -EINVAL; - } + if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) + return 0; if (!bridge->encoder) { dev_err(dvi->dev, "Missing encoder\n");