diff --git a/backend/drm/drm.c b/backend/drm/drm.c
index 0bf51209..99520143 100644
--- a/backend/drm/drm.c
+++ b/backend/drm/drm.c
@@ -1046,6 +1046,11 @@ bool wlr_output_is_drm(struct wlr_output *output) {
 	return output->impl == &output_impl;
 }
 
+uint32_t wlr_drm_connector_get_id(struct wlr_output *output) {
+	struct wlr_drm_connector *conn = get_drm_connector_from_output(output);
+	return conn->id;
+}
+
 static const int32_t subpixel_map[] = {
 	[DRM_MODE_SUBPIXEL_UNKNOWN] = WL_OUTPUT_SUBPIXEL_UNKNOWN,
 	[DRM_MODE_SUBPIXEL_HORIZONTAL_RGB] = WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB,
diff --git a/include/wlr/backend/drm.h b/include/wlr/backend/drm.h
index 0a307166..baa03421 100644
--- a/include/wlr/backend/drm.h
+++ b/include/wlr/backend/drm.h
@@ -28,6 +28,11 @@ struct wlr_backend *wlr_drm_backend_create(struct wl_display *display,
 bool wlr_backend_is_drm(struct wlr_backend *backend);
 bool wlr_output_is_drm(struct wlr_output *output);
 
+/**
+ * Get the KMS connector object ID.
+ */
+uint32_t wlr_drm_connector_get_id(struct wlr_output *output);
+
 /**
  * Add mode to the list of available modes
  */