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Diffstat (limited to 'backend/drm/drm.c')
-rw-r--r--backend/drm/drm.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 272a168c..00525762 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -1083,6 +1083,24 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
wlr_conn->crtc = NULL;
}
+ // This can only happen *after* hotplug, since we haven't read the
+ // connector properties yet
+ if (wlr_conn->props.link_status != 0) {
+ uint64_t link_status;
+ if (!get_drm_prop(drm->fd, wlr_conn->id,
+ wlr_conn->props.link_status, &link_status)) {
+ wlr_log(WLR_ERROR, "Failed to get link status for '%s'",
+ wlr_conn->output.name);
+ continue;
+ }
+
+ if (link_status == DRM_MODE_LINK_STATUS_BAD) {
+ // We need to reload our list of modes and force a modeset
+ wlr_log(WLR_INFO, "Bad link for '%s'", wlr_conn->output.name);
+ drm_connector_cleanup(wlr_conn);
+ }
+ }
+
if (wlr_conn->state == WLR_DRM_CONN_DISCONNECTED &&
drm_conn->connection == DRM_MODE_CONNECTED) {
wlr_log(WLR_INFO, "'%s' connected", wlr_conn->output.name);