diff options
Diffstat (limited to 'include/drm/drm_of.h')
| -rw-r--r-- | include/drm/drm_of.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h index 4f835490d77a..b93c239afb60 100644 --- a/include/drm/drm_of.h +++ b/include/drm/drm_of.h @@ -3,6 +3,9 @@ #define __DRM_OF_H__ #include <linux/of_graph.h> +#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE) +#include <drm/drm_bridge.h> +#endif struct component_master_ops; struct component_match; @@ -68,6 +71,34 @@ static inline int drm_of_find_panel_or_bridge(const struct device_node *np, } #endif +/* + * drm_of_panel_bridge_remove - remove panel bridge + * @np: device tree node containing panel bridge output ports + * + * Remove the panel bridge of a given DT node's port and endpoint number + * + * Returns zero if successful, or one of the standard error codes if it fails. + */ +static inline int drm_of_panel_bridge_remove(const struct device_node *np, + int port, int endpoint) +{ +#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE) + struct drm_bridge *bridge; + struct device_node *remote; + + remote = of_graph_get_remote_node(np, port, endpoint); + if (!remote) + return -ENODEV; + + bridge = of_drm_find_bridge(remote); + drm_panel_bridge_remove(bridge); + + return 0; +#else + return -EINVAL; +#endif +} + static inline int drm_of_encoder_active_endpoint_id(struct device_node *node, struct drm_encoder *encoder) { |