1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index 001273d57f2d..6d7b083c5b77 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -62,6 +62,26 @@ struct idr drm_minors_idr;
 struct class *drm_class;
 struct proc_dir_entry *drm_proc_root;
 struct dentry *drm_debugfs_root;
+
+int drm_err(const char *func, const char *format, ...)
+{
+        struct va_format vaf;
+        va_list args;
+        int r;
+
+        va_start(args, format);
+
+        vaf.fmt = format;
+        vaf.va = &args;
+
+        r = printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* %pV", func, &vaf);
+
+        va_end(args);
+
+        return r;
+}
+EXPORT_SYMBOL(drm_err);
+
 void drm_ut_debug_printk(unsigned int request_level,
                          const char *prefix,
                          const char *function_name,
@@ -78,6 +98,7 @@ void drm_ut_debug_printk(unsigned int request_level,
         }
 }
 EXPORT_SYMBOL(drm_ut_debug_printk);
+
 static int drm_minor_get_id(struct drm_device *dev, int type)
 {
         int new_id;