diff --git a/libweston/backend-drm/drm-internal.h b/libweston/backend-drm/drm-internal.h
index bd350240a..18bc46bf1 100644
--- a/libweston/backend-drm/drm-internal.h
+++ b/libweston/backend-drm/drm-internal.h
@@ -336,6 +336,13 @@ struct drm_pending_state {
 	struct wl_list output_list;
 };
 
+enum drm_output_propose_state_mode {
+	DRM_OUTPUT_PROPOSE_STATE_MIXED, /**< mix renderer & planes */
+	DRM_OUTPUT_PROPOSE_STATE_RENDERER_AND_CURSOR, /**< only assign to renderer & cursor plane */
+	DRM_OUTPUT_PROPOSE_STATE_RENDERER_ONLY, /**< only assign to renderer */
+	DRM_OUTPUT_PROPOSE_STATE_PLANES_ONLY, /**< no renderer use, only planes */
+};
+
 /*
  * Output state holds the dynamic state for one Weston output, i.e. a KMS CRTC,
  * plus >= 1 each of encoder/connector/plane. Since everything but the planes
diff --git a/libweston/backend-drm/state-propose.c b/libweston/backend-drm/state-propose.c
index f3b1a502b..6047301bb 100644
--- a/libweston/backend-drm/state-propose.c
+++ b/libweston/backend-drm/state-propose.c
@@ -45,13 +45,6 @@
 #include "shared/string-helpers.h"
 #include "shared/weston-assert.h"
 
-enum drm_output_propose_state_mode {
-	DRM_OUTPUT_PROPOSE_STATE_MIXED, /**< mix renderer & planes */
-	DRM_OUTPUT_PROPOSE_STATE_RENDERER_AND_CURSOR, /**< only assign to renderer & cursor plane */
-	DRM_OUTPUT_PROPOSE_STATE_RENDERER_ONLY, /**< only assign to renderer */
-	DRM_OUTPUT_PROPOSE_STATE_PLANES_ONLY, /**< no renderer use, only planes */
-};
-
 static const char *const drm_output_propose_state_mode_as_string[] = {
 	[DRM_OUTPUT_PROPOSE_STATE_MIXED] = "mixed state",
 	[DRM_OUTPUT_PROPOSE_STATE_RENDERER_AND_CURSOR] = "renderer-and-cursor state",