diff options
Diffstat (limited to 'include/drm/drm_crtc.h')
| -rw-r--r-- | include/drm/drm_crtc.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 3fa0275e509f..bb214a114329 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -1118,12 +1118,33 @@ struct drm_plane { /** * struct drm_bridge_funcs - drm_bridge control functions - * @attach: Called during drm_bridge_attach */ struct drm_bridge_funcs { + /** + * @attach: + * + * This callback is invoked whenever our bridge is being attached to a + * &drm_encoder. + * + * The attach callback is optional. + * + * RETURNS: + * + * Zero on success, error code on failure. + */ int (*attach)(struct drm_bridge *bridge); /** + * @detach: + * + * This callback is invoked whenever our bridge is being detached from a + * &drm_encoder. + * + * The detach callback is optional. + */ + void (*detach)(struct drm_bridge *bridge); + + /** * @mode_fixup: * * This callback is used to validate and adjust a mode. The paramater @@ -1137,6 +1158,8 @@ struct drm_bridge_funcs { * this function passes all other callbacks must succeed for this * configuration. * + * The mode_fixup callback is optional. + * * NOTE: * * This function is called in the check phase of atomic modesets, which @@ -2426,6 +2449,7 @@ extern int drm_bridge_add(struct drm_bridge *bridge); extern void drm_bridge_remove(struct drm_bridge *bridge); extern struct drm_bridge *of_drm_find_bridge(struct device_node *np); extern int drm_bridge_attach(struct drm_device *dev, struct drm_bridge *bridge); +extern void drm_bridge_detach(struct drm_bridge *bridge); bool drm_bridge_mode_fixup(struct drm_bridge *bridge, const struct drm_display_mode *mode, |