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backend/drm: scan leases on uevent

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Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3181
This commit is contained in:
Simon Ser 2021-11-03 14:23:00 +01:00 • committed by Simon Zeni
parent 6bb8973309
commit e656697a7d
3 changed files with 36 additions and 2 deletions
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30
backend/drm/drm.c
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@ -1425,6 +1425,36 @@ void scan_drm_connectors(struct wlr_drm_backend *drm,
}
}
void scan_drm_leases(struct wlr_drm_backend *drm) {
drmModeLesseeListRes *list = drmModeListLessees(drm->fd);
if (list == NULL) {
wlr_log_errno(WLR_ERROR, "drmModeListLessees failed");
return;
}
struct wlr_drm_connector *conn;
wl_list_for_each(conn, &drm->outputs, link) {
if (conn->lease == NULL) {
continue;
}
bool found = false;
for (size_t i = 0; i < list->count; i++) {
if (list->lessees[i] == conn->lease->lessee_id) {
found = true;
break;
}
}
if (!found) {
wlr_log(WLR_DEBUG, "DRM lease %"PRIu32" has been terminated",
conn->lease->lessee_id);
drm_lease_destroy(conn->lease);
}
}
drmFree(list);
}
static int mhz_to_nsec(int mhz) {
return 1000000000000LL / mhz;
}