2 * Copyright 2015 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
24 #include <linux/kthread.h>
25 #include <linux/wait.h>
26 #include <linux/sched.h>
30 static int amdgpu_sched_prepare_job(struct amd_gpu_scheduler
*sched
,
31 struct amd_context_entity
*c_entity
,
35 struct amdgpu_cs_parser
*sched_job
= (struct amdgpu_cs_parser
*)job
;
36 if (sched_job
->prepare_job
)
37 r
= sched_job
->prepare_job(sched_job
);
39 DRM_ERROR("Prepare job error\n");
40 schedule_work(&sched_job
->job_work
);
45 static void amdgpu_sched_run_job(struct amd_gpu_scheduler
*sched
,
46 struct amd_context_entity
*c_entity
,
50 struct amdgpu_cs_parser
*sched_job
= (struct amdgpu_cs_parser
*)job
;
52 mutex_lock(&sched_job
->job_lock
);
53 r
= amdgpu_ib_schedule(sched_job
->adev
,
60 if (sched_job
->run_job
) {
61 r
= sched_job
->run_job(sched_job
);
65 mutex_unlock(&sched_job
->job_lock
);
68 DRM_ERROR("Run job error\n");
69 mutex_unlock(&sched_job
->job_lock
);
70 schedule_work(&sched_job
->job_work
);
73 static void amdgpu_sched_process_job(struct amd_gpu_scheduler
*sched
, void *job
)
75 struct amdgpu_cs_parser
*sched_job
= NULL
;
76 struct amdgpu_fence
*fence
= NULL
;
77 struct amdgpu_ring
*ring
= NULL
;
78 struct amdgpu_device
*adev
= NULL
;
79 struct amd_context_entity
*c_entity
= NULL
;
83 sched_job
= (struct amdgpu_cs_parser
*)job
;
84 fence
= sched_job
->ibs
[sched_job
->num_ibs
- 1].fence
;
91 c_entity
= &sched_job
->ctx
->rings
[ring
->idx
].c_entity
;
92 atomic64_set(&c_entity
->last_signaled_v_seq
,
93 sched_job
->uf
.sequence
);
96 /* wake up users waiting for time stamp */
97 wake_up_all(&c_entity
->wait_queue
);
99 schedule_work(&sched_job
->job_work
);
102 struct amd_sched_backend_ops amdgpu_sched_ops
= {
103 .prepare_job
= amdgpu_sched_prepare_job
,
104 .run_job
= amdgpu_sched_run_job
,
105 .process_job
= amdgpu_sched_process_job