2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
25 #include <core/device.h>
26 #include <core/engine.h>
27 #include <core/option.h>
30 nouveau_engine_create_(struct nouveau_object *parent,
31 struct nouveau_object *engobj,
32 struct nouveau_oclass *oclass, bool enable,
33 const char *iname, const char *fname,
34 int length, void **pobject)
36 struct nouveau_engine *engine;
39 ret = nouveau_subdev_create_(parent, engobj, oclass, NV_ENGINE_CLASS,
40 iname, fname, length, pobject);
46 struct nouveau_device *device = nv_device(parent);
47 int engidx = nv_engidx(nv_object(engine));
49 if (device->disable_mask & (1ULL << engidx)) {
50 if (!nouveau_boolopt(device->cfgopt, iname, false)) {
51 nv_debug(engine, "engine disabled by hw/fw\n");
55 nv_warn(engine, "ignoring hw/fw engine disable\n");
58 if (!nouveau_boolopt(device->cfgopt, iname, enable)) {
60 nv_warn(engine, "disabled, %s=1 to enable\n", iname);
65 INIT_LIST_HEAD(&engine->contexts);
66 spin_lock_init(&engine->lock);