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backend/drm: handle per-connector hotplug events

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When a connector ID is specified in a hotplug event, don't scan all
connectors. Only scan the connector that has changed.
This commit is contained in:
Simon Ser 2021-06-09 12:03:20 +02:00
parent 2ff4e113e2
commit e13f3f8608
3 changed files with 45 additions and 19 deletions
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16
backend/drm/backend.c
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@ -22,7 +22,7 @@ struct wlr_drm_backend *get_drm_backend_from_backend(
static bool backend_start(struct wlr_backend *backend) {
struct wlr_drm_backend *drm = get_drm_backend_from_backend(backend);
scan_drm_connectors(drm);
scan_drm_connectors(drm, NULL);
return true;
}
@ -102,7 +102,7 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
if (session->active) {
wlr_log(WLR_INFO, "DRM fd resumed");
scan_drm_connectors(drm);
scan_drm_connectors(drm, NULL);
struct wlr_drm_connector *conn;
wl_list_for_each(conn, &drm->outputs, link) {
@ -127,13 +127,21 @@ static void handle_session_active(struct wl_listener *listener, void *data) {
static void handle_dev_change(struct wl_listener *listener, void *data) {
struct wlr_drm_backend *drm = wl_container_of(listener, drm, dev_change);
struct wlr_device_change_event *change = data;
if (!drm->session->active) {
return;
}
wlr_log(WLR_DEBUG, "%s invalidated", drm->name);
scan_drm_connectors(drm);
// TODO: add and handle lease uevents
switch (change->type) {
case WLR_DEVICE_HOTPLUG:;
wlr_log(WLR_DEBUG, "Received hotplug event for %s", drm->name);
scan_drm_connectors(drm, &change->hotplug);
break;
default:
wlr_log(WLR_DEBUG, "Received unknown change event for %s", drm->name);
}
}
static void handle_dev_remove(struct wl_listener *listener, void *data) {