linux-kernel - [PATCH] drm/bridge: Fix the dsi remote end-points

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Date:   Fri, 28 Aug 2020 13:12:50 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Sam Ravnborg <sam@...nborg.org>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: [PATCH] drm/bridge: Fix the dsi remote end-points

DSI end-points are supposed to be at node 0 and node 1 as per binding.
So fix this and use node 0 and node 1 for dsi.

Reported-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Fixes: 23278bf54afe ("drm/bridge: Introduce LT9611 DSI to HDMI bridge")
Signed-off-by: Vinod Koul <vkoul@...nel.org>
---
 drivers/gpu/drm/bridge/lontium-lt9611.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/bridge/lontium-lt9611.c b/drivers/gpu/drm/bridge/lontium-lt9611.c
index 1009fc4ed4ed..d734d9402c35 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611.c
@@ -960,13 +960,13 @@ static const struct drm_bridge_funcs lt9611_bridge_funcs = {
 static int lt9611_parse_dt(struct device *dev,
 			   struct lt9611 *lt9611)
 {
-	lt9611->dsi0_node = of_graph_get_remote_node(dev->of_node, 1, -1);
+	lt9611->dsi0_node = of_graph_get_remote_node(dev->of_node, 0, -1);
 	if (!lt9611->dsi0_node) {
 		dev_err(lt9611->dev, "failed to get remote node for primary dsi\n");
 		return -ENODEV;
 	}
 
-	lt9611->dsi1_node = of_graph_get_remote_node(dev->of_node, 2, -1);
+	lt9611->dsi1_node = of_graph_get_remote_node(dev->of_node, 1, -1);
 
 	lt9611->ac_mode = of_property_read_bool(dev->of_node, "lt,ac-mode");
 
-- 
2.26.2