const struct drm_crtc_state *state,
struct drm_property *property,
uint64_t *val);
+
+ /**
+ * @late_register:
+ *
+ * This optional hook can be used to register additional userspace
+ * interfaces attached to the crtc like debugfs interfaces.
+ * It is called late in the driver load sequence from drm_dev_register().
+ * 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_crtc *crtc);
+
+ /**
+ * @early_unregister:
+ *
+ * This optional hook should be used to unregister the additional
+ * userspace interfaces attached to the crtc from
+ * late_unregister(). It is called from drm_dev_unregister(),
+ * early in the driver unload sequence to disable userspace access
+ * before data structures are torndown.
+ */
+ void (*early_unregister)(struct drm_crtc *crtc);
};
/**
struct drm_encoder_funcs {
void (*reset)(struct drm_encoder *encoder);
void (*destroy)(struct drm_encoder *encoder);
+
+ /**
+ * @late_register:
+ *
+ * This optional hook can be used to register additional userspace
+ * interfaces attached to the encoder like debugfs interfaces.
+ * It is called late in the driver load sequence from drm_dev_register().
+ * 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_encoder *encoder);
+
+ /**
+ * @early_unregister:
+ *
+ * This optional hook should be used to unregister the additional
+ * userspace interfaces attached to the encoder from
+ * late_unregister(). It is called from drm_dev_unregister(),
+ * early in the driver unload sequence to disable userspace access
+ * before data structures are torndown.
+ */
+ void (*early_unregister)(struct drm_encoder *encoder);
};
#define DRM_CONNECTOR_MAX_ENCODER 3
const struct drm_plane_state *state,
struct drm_property *property,
uint64_t *val);
+ /**
+ * @late_register:
+ *
+ * This optional hook can be used to register additional userspace
+ * interfaces attached to the plane like debugfs interfaces.
+ * It is called late in the driver load sequence from drm_dev_register().
+ * 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_plane *plane);
+
+ /**
+ * @early_unregister:
+ *
+ * This optional hook should be used to unregister the additional
+ * userspace interfaces attached to the plane from
+ * late_unregister(). It is called from drm_dev_unregister(),
+ * early in the driver unload sequence to disable userspace access
+ * before data structures are torndown.
+ */
+ void (*early_unregister)(struct drm_plane *plane);
};
enum drm_plane_type {
extern void drm_connector_cleanup(struct drm_connector *connector);
extern unsigned int drm_connector_index(struct drm_connector *connector);
-/* helper to unregister all connectors from sysfs for device */
+
+/* helpers to {un}register all connectors from sysfs for device */
+extern int drm_connector_register_all(struct drm_device *dev);
extern void drm_connector_unregister_all(struct drm_device *dev);
extern int drm_bridge_add(struct drm_bridge *bridge);