1/*
2 * Copyright (C) 2014-2015 Etnaviv Project
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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *    Christian Gmeiner <christian.gmeiner@gmail.com>
25 */
26
27#include "etnaviv_priv.h"
28
29int etna_pipe_wait_ns(struct etna_pipe *pipe, uint32_t timestamp, uint64_t ns)
30{
31	struct etna_device *dev = pipe->gpu->dev;
32	int ret;
33
34	struct drm_etnaviv_wait_fence req = {
35		.pipe = pipe->gpu->core,
36		.fence = timestamp,
37	};
38
39	if (ns == 0)
40		req.flags |= ETNA_WAIT_NONBLOCK;
41
42	get_abs_timeout(&req.timeout, ns);
43
44	ret = drmCommandWrite(dev->fd, DRM_ETNAVIV_WAIT_FENCE, &req, sizeof(req));
45	if (ret && (ret != -EBUSY) && (ret != -ETIMEDOUT))
46		ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
47
48	return ret;
49}
50
51void etna_pipe_del(struct etna_pipe *pipe)
52{
53	free(pipe);
54}
55
56struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id)
57{
58	struct etna_pipe *pipe;
59
60	pipe = calloc(1, sizeof(*pipe));
61	if (!pipe) {
62		ERROR_MSG("allocation failed");
63		goto fail;
64	}
65
66	pipe->id = id;
67	pipe->gpu = gpu;
68
69	return pipe;
70fail:
71	return NULL;
72}
73