xref: /linux/drivers/gpu/drm/nouveau/nvkm/engine/fifo/runq.c (revision b4db9f840283caca0d904436f187ef56a9126eaa)
1 /*
2  * Copyright 2021 Red Hat Inc.
3  *
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:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
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.
21  */
22 #include "runq.h"
23 #include "priv.h"
24 
25 void
26 nvkm_runq_del(struct nvkm_runq *runq)
27 {
28 	list_del(&runq->head);
29 	kfree(runq);
30 }
31 
32 struct nvkm_runq *
33 nvkm_runq_new(struct nvkm_fifo *fifo, int pbid)
34 {
35 	struct nvkm_runq *runq;
36 
37 	if (!(runq = kzalloc(sizeof(*runq), GFP_KERNEL)))
38 		return NULL;
39 
40 	runq->func = fifo->func->runq;
41 	runq->fifo = fifo;
42 	runq->id = pbid;
43 	list_add_tail(&runq->head, &fifo->runqs);
44 	return runq;
45 }
46