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Diffstat (limited to 'drivers/gpu/drm/bridge/panel.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/panel.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c index 0ee563eb2b6f..4277bf4f032b 100644 --- a/drivers/gpu/drm/bridge/panel.c +++ b/drivers/gpu/drm/bridge/panel.c @@ -171,6 +171,19 @@ static const struct drm_bridge_funcs panel_bridge_bridge_funcs = { }; /** + * drm_bridge_is_panel - Checks if a drm_bridge is a panel_bridge. + * + * @bridge: The drm_bridge to be checked. + * + * Returns true if the bridge is a panel bridge, or false otherwise. + */ +bool drm_bridge_is_panel(const struct drm_bridge *bridge) +{ + return bridge->funcs == &panel_bridge_bridge_funcs; +} +EXPORT_SYMBOL(drm_bridge_is_panel); + +/** * drm_panel_bridge_add - Creates a &drm_bridge and &drm_connector that * just calls the appropriate functions from &drm_panel. * @@ -269,6 +282,27 @@ void drm_panel_bridge_remove(struct drm_bridge *bridge) } EXPORT_SYMBOL(drm_panel_bridge_remove); +/** + * drm_panel_bridge_set_orientation - Set the connector's panel orientation + * from the bridge that can be transformed to panel bridge. + * + * @connector: The connector to be set panel orientation. + * @bridge: The drm_bridge to be transformed to panel bridge. + * + * Returns 0 on success, negative errno on failure. + */ +int drm_panel_bridge_set_orientation(struct drm_connector *connector, + struct drm_bridge *bridge) +{ + struct panel_bridge *panel_bridge; + + panel_bridge = drm_bridge_to_panel_bridge(bridge); + + return drm_connector_set_orientation_from_panel(connector, + panel_bridge->panel); +} +EXPORT_SYMBOL(drm_panel_bridge_set_orientation); + static void devm_drm_panel_bridge_release(struct device *dev, void *res) { struct drm_bridge **bridge = res; |