drm_fb_helper_hotplug_event - respond to a hotplug notification by probing all the outputs attached to the fb
2. SYNOPSIS ▲
int drm_fb_helper_hotplug_event(struct drm_fb_helper * fb_helper );
3. ARGUMENTS ▲
4. DESCRIPTION ▲
Scan the connectors attached to the fb_helper and try to put together a setup after *notification of a change in output configuration.
Called at runtime, takes the mode config locks to be able to check/change the modeset configuration. Must be run from process context (which usually means either the output polling work or a work item launched from the driverAqs hotplug interrupt).
Note that the driver must ensure that this is only called _after_ the fb has been fully set up, i.e. after the call to drm_fb_helper_initial_config.
5. RETURNS ▲
0 on success and a non-zero error code otherwise.
6. AUTHORS ▲
Jesse Barnes <>
Laurent Pinchart <>
Ideas on board SPRL,
7. COPYRIGHT ▲