linux-kernel - [PATCH v4 2/3] drm/mediatek: init panel orientation property

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Message-Id: <20210428045533.564724-2-hsinyi@chromium.org>
Date:   Wed, 28 Apr 2021 12:55:32 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     dri-devel@...ts.freedesktop.org
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Sean Paul <sean@...rly.run>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH v4 2/3] drm/mediatek: init panel orientation property

Init panel orientation property after connector is initialized. Let the
panel driver decides the orientation value later.

Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index ae403c67cbd9..9da1fd649131 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -964,6 +964,13 @@ static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi)
 		ret = PTR_ERR(dsi->connector);
 		goto err_cleanup_encoder;
 	}
+
+	ret = drm_connector_init_panel_orientation_property(dsi->connector);
+	if (ret) {
+		DRM_ERROR("Unable to init panel orientation\n");
+		goto err_cleanup_encoder;
+	}
+
 	drm_connector_attach_encoder(dsi->connector, &dsi->encoder);
 
 	return 0;
-- 
2.31.1.498.g6c1eba8ee3d-goog