drm/panel: lvds: Implement .get_orientation callback

To return the orientation property to drm/kms driver.

Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
[dianders: fixed space vs. tab indentation]
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220609072722.3488207-5-hsinyi@chromium.org

diff --git a/drivers/gpu/drm/panel/panel-lvds.c b/drivers/gpu/drm/panel/panel-lvds.c
index f11252f..de8758c 100644 (file)
--- a/drivers/gpu/drm/panel/panel-lvds.c
+++ b/drivers/gpu/drm/panel/panel-lvds.c
@@ -99,15 +99,28 @@ static int panel_lvds_get_modes(struct drm_panel *panel,
        drm_display_info_set_bus_formats(&connector->display_info,
                                         &lvds->bus_format, 1);
        connector->display_info.bus_flags = lvds->bus_flags;
+
+       /*
+        * TODO: Remove once all drm drivers call
+        * drm_connector_set_orientation_from_panel()
+        */
        drm_connector_set_panel_orientation(connector, lvds->orientation);
 
        return 1;
 }
 
+static enum drm_panel_orientation panel_lvds_get_orientation(struct drm_panel *panel)
+{
+       struct panel_lvds *lvds = to_panel_lvds(panel);
+
+       return lvds->orientation;
+}
+
 static const struct drm_panel_funcs panel_lvds_funcs = {
        .unprepare = panel_lvds_unprepare,
        .prepare = panel_lvds_prepare,
        .get_modes = panel_lvds_get_modes,
+       .get_orientation = panel_lvds_get_orientation,
 };
 
 static int panel_lvds_parse_dt(struct panel_lvds *lvds)