diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 2c7a25c71af2979c784b6cb4a87ee2088d4f8fbb..8e7493d50f1a5a9e3f1fcae7e24e0beb32b095f3 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1061,14 +1061,6 @@ static struct vmw_master *vmw_master_check(struct drm_device *dev,
 	}
 	mutex_unlock(&dev->master_mutex);
 
-	/*
-	 * Taking the drm_global_mutex after the TTM lock might deadlock
-	 */
-	if (!(flags & DRM_UNLOCKED)) {
-		DRM_ERROR("Refusing locked ioctl access.\n");
-		return ERR_PTR(-EDEADLK);
-	}
-
 	/*
 	 * Take the TTM lock. Possibly sleep waiting for the authenticating
 	 * master to become master again, or for a SIGTERM if the