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 
etna_pipe_wait_ns(struct etna_pipe * pipe,uint32_t timestamp,uint64_t ns)29 int 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) {
46 		ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
47 		return ret;
48 	}
49 
50 	return 0;
51 }
52 
etna_pipe_del(struct etna_pipe * pipe)53 void etna_pipe_del(struct etna_pipe *pipe)
54 {
55 	free(pipe);
56 }
57 
etna_pipe_new(struct etna_gpu * gpu,enum etna_pipe_id id)58 struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id)
59 {
60 	struct etna_pipe *pipe;
61 
62 	pipe = calloc(1, sizeof(*pipe));
63 	if (!pipe) {
64 		ERROR_MSG("allocation failed");
65 		goto fail;
66 	}
67 
68 	pipe->id = id;
69 	pipe->gpu = gpu;
70 
71 	return pipe;
72 fail:
73 	return NULL;
74 }
75