gpu/drm/drm_bridge.c

1107  * drm_bridge_hpd_enable - enable hot plug detection for the bridge
1109  * @cb: hot-plug detection callback
1110  * @data: data to be passed to the hot-plug detection callback
1113  * and @data as hot plug notification callback. From now on the @cb will be
1115  * until hot plug notification gets disabled with drm_bridge_hpd_disable().
1117  * Hot plug detection is supported only if the DRM_BRIDGE_OP_HPD flag is set in
1120  * Only one hot plug detection callback can be registered at a time, it is an
1121  * error to call this function when hot plug detection is already enabled for
1134 	if (WARN(bridge->hpd_cb, "Hot plug detection already enabled\n"))  in drm_bridge_hpd_enable()
1149  * drm_bridge_hpd_disable - disable hot plug detection for the bridge
1152  * Call &drm_bridge_funcs.hpd_disable if implemented and unregister the hot
1157  * Hot plug detection is supported only if the DRM_BRIDGE_OP_HPD flag is set in
1176  * drm_bridge_hpd_notify - notify hot plug detection events
1180  * Bridge drivers shall call this function to report hot plug events when they
1181  * detect a change in the output status, when hot plug detection has been