drm: restrict the device list for shadow attached drivers

[~andy/linux] / drivers / gpu / drm / drm_stub.c

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index f53d5246979c386ed632b21c08decb3ab1296f9e..9de0d3d91cc6931dc11ed714d9ea94e915540e27 100644 (file)
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -99,13 +99,19 @@ void drm_ut_debug_printk(unsigned int request_level,
                         const char *function_name,
                         const char *format, ...)
 {
+       struct va_format vaf;
        va_list args;
 
        if (drm_debug & request_level) {
-               if (function_name)
-                       printk(KERN_DEBUG "[%s:%s], ", prefix, function_name);
                va_start(args, format);
-               vprintk(format, args);
+               vaf.fmt = format;
+               vaf.va = &args;
+
+               if (function_name)
+                       printk(KERN_DEBUG "[%s:%s], %pV", prefix,
+                              function_name, &vaf);
+               else
+                       printk(KERN_DEBUG "%pV", &vaf);
                va_end(args);
        }
 }
@@ -557,8 +563,6 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags)
                        goto err_unload;
        }
 
-       list_add_tail(&dev->driver_item, &dev->driver->device_list);
-
        ret = 0;
        goto out_unlock;
 
@@ -608,7 +612,5 @@ void drm_dev_unregister(struct drm_device *dev)
        drm_unplug_minor(dev->control);
        drm_unplug_minor(dev->render);
        drm_unplug_minor(dev->primary);
-
-       list_del(&dev->driver_item);
 }
 EXPORT_SYMBOL(drm_dev_unregister);