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