linux-kernel - [PATCH v4 4/4] drm/mtk: add panel orientation property

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Message-Id: <20190702234258.136349-5-dbasehore@chromium.org>
Date:   Tue,  2 Jul 2019 16:42:58 -0700
From:   Derek Basehore <dbasehore@...omium.org>
To:     linux-kernel@...r.kernel.org
Cc:     Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        CK Hu <ck.hu@...iatek.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Matthias Brugger <matthias.bgg@...il.com>,
        dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        Derek Basehore <dbasehore@...omium.org>
Subject: [PATCH v4 4/4] drm/mtk: add panel orientation property

This inits the panel orientation property for the mediatek dsi driver
if the panel orientation (connector.display_info.panel_orientation) is
not DRM_MODE_PANEL_ORIENTATION_UNKNOWN.

Signed-off-by: Derek Basehore <dbasehore@...omium.org>
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 4a0b9150a7bb..08ffdc7526dd 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -782,10 +782,18 @@ static int mtk_dsi_create_connector(struct drm_device *drm, struct mtk_dsi *dsi)
 			DRM_ERROR("Failed to attach panel to drm\n");
 			goto err_connector_cleanup;
 		}
+
+		ret = drm_connector_init_panel_orientation_property(&dsi->conn);
+		if (ret) {
+			DRM_ERROR("Failed to init panel orientation\n");
+			goto err_panel_detach;
+		}
 	}
 
 	return 0;
 
+err_panel_detach:
+	drm_panel_detach(dsi->panel);
 err_connector_cleanup:
 	drm_connector_cleanup(&dsi->conn);
 	return ret;
-- 
2.22.0.410.gd8fdbe21b5-goog