The panel orientation needs to parsed from a device-tree and assigned to the panel's connector in order to make orientation property available to userspace. That's what this patch does for the generic LVDS panel.
Signed-off-by: Dmitry Osipenko digetx@gmail.com --- drivers/gpu/drm/panel/panel-lvds.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-lvds.c b/drivers/gpu/drm/panel/panel-lvds.c index 5ce3f4a2b7a1..9421246ac80f 100644 --- a/drivers/gpu/drm/panel/panel-lvds.c +++ b/drivers/gpu/drm/panel/panel-lvds.c @@ -99,6 +99,7 @@ static int panel_lvds_get_modes(struct drm_panel *panel, connector->display_info.bus_flags = lvds->data_mirror ? DRM_BUS_FLAG_DATA_LSB_TO_MSB : DRM_BUS_FLAG_DATA_MSB_TO_LSB; + drm_connector_set_panel_orientation(connector, lvds->panel.orientation);
return 1; } @@ -223,6 +224,11 @@ static int panel_lvds_probe(struct platform_device *pdev) drm_panel_init(&lvds->panel, lvds->dev, &panel_lvds_funcs, DRM_MODE_CONNECTOR_LVDS);
+ ret = of_drm_get_panel_orientation(lvds->dev->of_node, + &lvds->panel.orientation); + if (ret) + return ret; + ret = drm_panel_of_backlight(&lvds->panel); if (ret) return ret;