diff options
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drm_crtc.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 914baa8c161d..4cc170cfc8fd 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -957,6 +957,33 @@ struct drm_connector_funcs { uint64_t val); /** + * @late_register: + * + * This optional hook can be used to register additional userspace + * interfaces attached to the connector, light backlight control, i2c, + * DP aux or similar interfaces. It is called late in the driver load + * sequence from drm_connector_register() when registering all the + * core drm connector interfaces. Everything added from this callback + * should be unregistered in the early_unregister callback. + * + * Returns: + * + * 0 on success, or a negative error code on failure. + */ + int (*late_register)(struct drm_connector *connector); + + /** + * @early_unregister: + * + * This optional hook should be used to unregister the additional + * userspace interfaces attached to the connector from + * late_unregister(). It is called from drm_connector_unregister(), + * early in the driver unload sequence to disable userspace access + * before data structures are torndown. + */ + void (*early_unregister)(struct drm_connector *connector); + + /** * @destroy: * * Clean up connector resources. This is called at driver unload time |