linux-kernel - [PATCH] drm/panel-simple: fix connector type for LogicPD Type28 Display

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Message-Id: <20200615131934.12440-1-aford173@gmail.com>
Date:   Mon, 15 Jun 2020 08:19:34 -0500
From:   Adam Ford <aford173@...il.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     aford@...conembedded.com, Adam Ford <aford173@...il.com>,
        stable@...r.kernel.org, Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, linux-kernel@...r.kernel.org
Subject: [PATCH] drm/panel-simple: fix connector type for LogicPD Type28 Display

The LogicPD Type28 display used by several Logic PD products has not
worked since v5.5.

The connector type for the LogicPD Type 28 display is missing and
drm_panel_bridge_add() requires connector type to be set.

Signed-off-by: Adam Ford <aford173@...il.com>
CC: stable@...r.kernel.org #v5.5+

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index b6ecd1552132..334e9de5b2c8 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -2495,6 +2495,7 @@ static const struct panel_desc logicpd_type_28 = {
 	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_POSEDGE |
 		     DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE,
+	.connector_type = DRM_MODE_CONNECTOR_DPI,
 };
 
 static const struct panel_desc mitsubishi_aa070mc01 = {
-- 
2.17.1