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 && (ret != -EBUSY) && (ret != -ETIMEDOUT))
46 ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
47
48 return ret;
49 }
50
etna_pipe_del(struct etna_pipe * pipe)51 void etna_pipe_del(struct etna_pipe *pipe)
52 {
53 free(pipe);
54 }
55
etna_pipe_new(struct etna_gpu * gpu,enum etna_pipe_id id)56 struct 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;
70 fail:
71 return NULL;
72 }
73