drm_kms_helper_hotplug_event — fire off KMS hotplug events
void drm_kms_helper_hotplug_event ( | struct drm_device * dev); |
This function fires off the uevent for userspace and also calls the output_poll_changed function, which is most commonly used to inform the fbdev emulation code and allow it to update the fbcon output configuration.
Drivers should call this from their hotplug handling code when a change is
detected. Note that this function does not do any output detection of its
own, like drm_helper_hpd_irq_event does - this is assumed to be done by the
driver already.
This function must be called from process context with no mode setting locks held.