From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751285AbdBWINs (ORCPT ); Thu, 23 Feb 2017 03:13:48 -0500 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]:48858 "EHLO wens.csie.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751033AbdBWINo (ORCPT ); Thu, 23 Feb 2017 03:13:44 -0500 From: Chen-Yu Tsai To: Maxime Ripard , David Airlie Cc: Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 02/11] drm/sun4i: Set drm_crtc.port to the underlying TCON's output port node Date: Thu, 23 Feb 2017 16:05:34 +0800 Message-Id: <20170223080543.6659-3-wens@csie.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170223080543.6659-1-wens@csie.org> References: <20170223080543.6659-1-wens@csie.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The way drm_of_find_possible_crtcs is it tries to match the remote-endpoint of the given node's various endpoints to all the crtc's .port field. Thus we need to set drm_crtc.port to the output port node of the underlying TCON. Signed-off-by: Chen-Yu Tsai --- drivers/gpu/drm/sun4i/sun4i_crtc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c index 4e2e89c3104f..de6f7da69746 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include @@ -136,5 +137,9 @@ struct sun4i_crtc *sun4i_crtc_init(struct drm_device *drm) drm_crtc_helper_add(&scrtc->crtc, &sun4i_crtc_helper_funcs); + /* Set crtc.port to output port node of the tcon */ + scrtc->crtc.port = of_graph_get_port_by_id(drv->tcon->dev->of_node, + 1); + return scrtc; } -- 2.11.0