From patchwork Wed Feb 26 11:24:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 11406179 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 52F331395 for ; Wed, 26 Feb 2020 11:26:42 +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 31A6F20637 for ; Wed, 26 Feb 2020 11:26:42 +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="ZVPEXy6z" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31A6F20637 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 173436E5C3; Wed, 26 Feb 2020 11:26:14 +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 [213.167.242.64]) by gabe.freedesktop.org (Postfix) with ESMTPS id DE09589D4F for ; Wed, 26 Feb 2020 11:25:56 +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 D9B181288; Wed, 26 Feb 2020 12:25:49 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1582716350; bh=Sx9EF4oMV6fI1QsZZQHr/PXDjxhyhgzG1e1IoTDWPxo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZVPEXy6z6NIZOaQhrUTymvvNaxs1Eyf+CKBntOAx33hu6xvSylU5uI4TMan3K3Zi1 osZiYY92yiWFm28yZj34AQ3AxUHpuaYJXhFvyG6SqU4Cw/YWMit4skpHTuJXggUbzm +gxIxrYmxT2TJXQOpfhWYC9y2nqmdN/+BUG10mW0= From: Laurent Pinchart To: dri-devel@lists.freedesktop.org Subject: [PATCH v8 19/54] drm/bridge: tfp410: Allow operation without drm_connector Date: Wed, 26 Feb 2020 13:24:39 +0200 Message-Id: <20200226112514.12455-20-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200226112514.12455-1-laurent.pinchart@ideasonboard.com> References: <20200226112514.12455-1-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 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 Tested-by: Sebastian Reichel Reviewed-by: Sebastian Reichel --- 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");