linux-kernel - [PATCH v9 2/4] drm/mediatek: init panel orientation property

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Date:   Fri, 18 Mar 2022 15:48:23 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, amd-gfx@...ts.freedesktop.org,
        intel-gfx@...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>,
        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,
        Simon Ser <contact@...rsion.fr>,
        Harry Wentland <harry.wentland@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Emil Velikov <emil.l.velikov@...il.com>,
        Hans de Goede <hdegoede@...hat.com>
Subject: [PATCH v9 2/4] 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>
Acked-by: Chun-Kuang Hu <chunkuang.hu@...nel.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 ccb0511b9cd5..0376b33e9651 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -810,6 +810,13 @@ 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;
-- 
2.35.1.894.gb6a874cedc-goog