1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/engine.c b/drivers/gpu/drm/nouveau/core/core/engine.c
new file mode 100644
index 000000000000..09b3bd502fd0
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/core/core/engine.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+
+#include <core/device.h>
+#include <core/engine.h>
+#include <core/option.h>
+
+int
+nouveau_engine_create_(struct nouveau_object *parent,
+		       struct nouveau_object *engobj,
+		       struct nouveau_oclass *oclass, bool enable,
+		       const char *iname, const char *fname,
+		       int length, void **pobject)
+{
+	struct nouveau_device *device = nv_device(parent);
+	struct nouveau_engine *engine;
+	int ret;
+
+	ret = nouveau_subdev_create_(parent, engobj, oclass, NV_ENGINE_CLASS,
+				     iname, fname, length, pobject);
+	engine = *pobject;
+	if (ret)
+		return ret;
+
+	if (!nouveau_boolopt(device->cfgopt, iname, enable)) {
+		if (!enable)
+			nv_warn(engine, "disabled, %s=1 to enable\n", iname);
+		return -ENODEV;
+	}
+
+	INIT_LIST_HEAD(&engine->contexts);
+	spin_lock_init(&engine->lock);
+	return 0;
+}