1 files changed, 3 insertions, 2 deletions

diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 0acb07f31fa4..d54de24bf371 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -395,7 +395,7 @@ struct drm_connector_funcs {
         void (*save)(struct drm_connector *connector);
         void (*restore)(struct drm_connector *connector);
         enum drm_connector_status (*detect)(struct drm_connector *connector);
-        void (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
+        int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
         int (*set_property)(struct drm_connector *connector, struct drm_property *property,
                              uint64_t val);
         void (*destroy)(struct drm_connector *connector);
@@ -528,7 +528,8 @@ struct drm_mode_group {
  *
  */
 struct drm_mode_config {
-        struct mutex mutex; /* protects configuration and IDR */
+        struct mutex mutex; /* protects configuration (mode lists etc.) */
+        struct mutex idr_mutex; /* for IDR management */
         struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
         /* this is limited to one for now */
         int num_fb;