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Date:   Fri, 14 Aug 2020 00:56:07 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Derek Basehore <dbasehore@...omium.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sean Paul <sean@...rly.run>, Daniel Vetter <daniel@...ll.ch>,
        Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>,
        Emil Velikov <emil.l.velikov@...il.com>,
        Daniel Stone <daniel@...ishbar.org>
Cc:     dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH RESEND v12 2/4] drm/panel: Read panel orientation for BOE TV101WUM-NL6

From: Derek Basehore <dbasehore@...omium.org>

This reads the DT setting for the panel rotation to set the panel
orientation in the get_modes callback.

Reviewed-by: Dmitry Osipenko <digetx@...il.com>
Signed-off-by: Derek Basehore <dbasehore@...omium.org>
Signed-off-by: Dmitry Osipenko <digetx@...il.com>
---
 drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
index e320aa30b9ae..6824363fcff1 100644
--- a/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
+++ b/drivers/gpu/drm/panel/panel-boe-tv101wum-nl6.c
@@ -11,6 +11,7 @@
 #include <linux/of_device.h>
 #include <linux/regulator/consumer.h>
 
+#include <drm/drm_connector.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_panel.h>
@@ -43,6 +44,7 @@ struct boe_panel {
 
 	const struct panel_desc *desc;
 
+	enum drm_panel_orientation orientation;
 	struct regulator *pp1800;
 	struct regulator *avee;
 	struct regulator *avdd;
@@ -740,6 +742,7 @@ static int boe_panel_get_modes(struct drm_panel *panel,
 	connector->display_info.width_mm = boe->desc->size.width_mm;
 	connector->display_info.height_mm = boe->desc->size.height_mm;
 	connector->display_info.bpc = boe->desc->bpc;
+	drm_connector_set_panel_orientation(connector, boe->orientation);
 
 	return 1;
 }
@@ -779,6 +782,9 @@ static int boe_panel_add(struct boe_panel *boe)
 
 	drm_panel_init(&boe->base, dev, &boe_panel_funcs,
 		       DRM_MODE_CONNECTOR_DSI);
+	err = of_drm_get_panel_orientation(dev->of_node, &boe->orientation);
+	if (err < 0)
+		return err;
 
 	err = drm_panel_of_backlight(&boe->base);
 	if (err)
-- 
2.27.0

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