1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
/*
* Copyright 2015 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*
*/
#include <linux/kthread.h>
#include <linux/wait.h>
#include <linux/sched.h>
#include <drm/drmP.h>
#include "amdgpu.h"
static int amdgpu_sched_prepare_job(struct amd_gpu_scheduler *sched,
struct amd_context_entity *c_entity,
void *job)
{
int r = 0;
struct amdgpu_cs_parser *sched_job = (struct amdgpu_cs_parser *)job;
if (sched_job->prepare_job)
r = sched_job->prepare_job(sched_job);
if (r) {
DRM_ERROR("Prepare job error\n");
schedule_work(&sched_job->job_work);
}
return r;
}
static void amdgpu_sched_run_job(struct amd_gpu_scheduler *sched,
struct amd_context_entity *c_entity,
void *job)
{
int r = 0;
struct amdgpu_cs_parser *sched_job = (struct amdgpu_cs_parser *)job;
mutex_lock(&sched_job->job_lock);
r = amdgpu_ib_schedule(sched_job->adev,
sched_job->num_ibs,
sched_job->ibs,
sched_job->filp);
if (r)
goto err;
if (sched_job->run_job) {
r = sched_job->run_job(sched_job);
if (r)
goto err;
}
atomic64_set(&c_entity->last_emitted_v_seq,
sched_job->ibs[sched_job->num_ibs - 1].sequence);
wake_up_all(&c_entity->wait_emit);
mutex_unlock(&sched_job->job_lock);
return;
err:
DRM_ERROR("Run job error\n");
mutex_unlock(&sched_job->job_lock);
schedule_work(&sched_job->job_work);
}
static void amdgpu_sched_process_job(struct amd_gpu_scheduler *sched, void *job)
{
struct amdgpu_cs_parser *sched_job = NULL;
struct amdgpu_fence *fence = NULL;
struct amdgpu_ring *ring = NULL;
struct amdgpu_device *adev = NULL;
struct amd_context_entity *c_entity = NULL;
if (!job)
return;
sched_job = (struct amdgpu_cs_parser *)job;
fence = sched_job->ibs[sched_job->num_ibs - 1].fence;
if (!fence)
return;
ring = fence->ring;
adev = ring->adev;
if (sched_job->ctx) {
c_entity = &sched_job->ctx->rings[ring->idx].c_entity;
atomic64_set(&c_entity->last_signaled_v_seq,
sched_job->ibs[sched_job->num_ibs - 1].sequence);
}
/* wake up users waiting for time stamp */
wake_up_all(&c_entity->wait_queue);
schedule_work(&sched_job->job_work);
}
struct amd_sched_backend_ops amdgpu_sched_ops = {
.prepare_job = amdgpu_sched_prepare_job,
.run_job = amdgpu_sched_run_job,
.process_job = amdgpu_sched_process_job
};
|
