diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
index c10de39cbe83..4314274c5e40 100644
--- a/drivers/gpu/drm/drm_crtc_internal.h
+++ b/drivers/gpu/drm/drm_crtc_internal.h
@@ -321,7 +321,7 @@ drm_edid_load_firmware(struct drm_connector *connector)
 #ifdef CONFIG_DRM_PANIC
 bool drm_panic_is_enabled(struct drm_device *dev);
 #else
-bool drm_panic_is_enabled(struct drm_device *dev) {return false; }
+static inline bool drm_panic_is_enabled(struct drm_device *dev) { return false; }
 #endif
 
 #endif /* __DRM_CRTC_INTERNAL_H__ */
diff --git a/drivers/gpu/drm/drm_panic.c b/drivers/gpu/drm/drm_panic.c
index 9f1a3568e62d..072752b658f0 100644
--- a/drivers/gpu/drm/drm_panic.c
+++ b/drivers/gpu/drm/drm_panic.c
@@ -27,6 +27,8 @@
 #include <drm/drm_plane.h>
 #include <drm/drm_print.h>
 
+#include "drm_crtc_internal.h"
+
 MODULE_AUTHOR("Jocelyn Falempe");
 MODULE_DESCRIPTION("DRM panic handler");
 MODULE_LICENSE("GPL");