backend/drm: scan leases on uevent
Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3181
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6bb8973309
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@ -133,12 +133,15 @@ static void handle_dev_change(struct wl_listener *listener, void *data) {
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return;
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}
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// TODO: add and handle lease uevents
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switch (change->type) {
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case WLR_DEVICE_HOTPLUG:;
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case WLR_DEVICE_HOTPLUG:
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wlr_log(WLR_DEBUG, "Received hotplug event for %s", drm->name);
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scan_drm_connectors(drm, &change->hotplug);
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break;
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case WLR_DEVICE_LEASE:
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wlr_log(WLR_DEBUG, "Received lease event for %s", drm->name);
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scan_drm_leases(drm);
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break;
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default:
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wlr_log(WLR_DEBUG, "Received unknown change event for %s", drm->name);
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}
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@ -1425,6 +1425,36 @@ void scan_drm_connectors(struct wlr_drm_backend *drm,
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}
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}
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void scan_drm_leases(struct wlr_drm_backend *drm) {
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drmModeLesseeListRes *list = drmModeListLessees(drm->fd);
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if (list == NULL) {
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wlr_log_errno(WLR_ERROR, "drmModeListLessees failed");
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return;
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}
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struct wlr_drm_connector *conn;
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wl_list_for_each(conn, &drm->outputs, link) {
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if (conn->lease == NULL) {
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continue;
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}
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bool found = false;
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for (size_t i = 0; i < list->count; i++) {
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if (list->lessees[i] == conn->lease->lessee_id) {
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found = true;
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break;
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}
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}
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if (!found) {
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wlr_log(WLR_DEBUG, "DRM lease %"PRIu32" has been terminated",
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conn->lease->lessee_id);
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drm_lease_destroy(conn->lease);
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}
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}
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drmFree(list);
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}
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static int mhz_to_nsec(int mhz) {
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return 1000000000000LL / mhz;
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}
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@ -149,6 +149,7 @@ bool init_drm_resources(struct wlr_drm_backend *drm);
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void finish_drm_resources(struct wlr_drm_backend *drm);
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void scan_drm_connectors(struct wlr_drm_backend *state,
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struct wlr_device_hotplug_event *event);
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void scan_drm_leases(struct wlr_drm_backend *drm);
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int handle_drm_event(int fd, uint32_t mask, void *data);
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void destroy_drm_connector(struct wlr_drm_connector *conn);
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bool drm_connector_commit_state(struct wlr_drm_connector *conn,
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