etnaviv_pipe.c revision 037b3c26 
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#ifdef HAVE_CONFIG_H
28# include <config.h>
29#endif
30
31#include "etnaviv_priv.h"
32
33int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms)
34{
35	return etna_pipe_wait_ns(pipe, timestamp, ms * 1000000);
36}
37
38int etna_pipe_wait_ns(struct etna_pipe *pipe, uint32_t timestamp, uint64_t ns)
39{
40	struct etna_device *dev = pipe->gpu->dev;
41	int ret;
42
43	struct drm_etnaviv_wait_fence req = {
44		.pipe = pipe->gpu->core,
45		.fence = timestamp,
46	};
47
48	if (ns == 0)
49		req.flags |= ETNA_WAIT_NONBLOCK;
50
51	get_abs_timeout(&req.timeout, ns);
52
53	ret = drmCommandWrite(dev->fd, DRM_ETNAVIV_WAIT_FENCE, &req, sizeof(req));
54	if (ret) {
55		ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
56		return ret;
57	}
58
59	return 0;
60}
61
62void etna_pipe_del(struct etna_pipe *pipe)
63{
64	free(pipe);
65}
66
67struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id)
68{
69	struct etna_pipe *pipe;
70
71	pipe = calloc(1, sizeof(*pipe));
72	if (!pipe) {
73		ERROR_MSG("allocation failed");
74		goto fail;
75	}
76
77	pipe->id = id;
78	pipe->gpu = gpu;
79
80	return pipe;
81fail:
82	return NULL;
83}
84