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c1b69ed0 CZ |
1 | /* |
2 | * Copyright 2015 Advanced Micro Devices, Inc. | |
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 shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
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. | |
21 | * | |
22 | * | |
23 | */ | |
24 | #include <linux/kthread.h> | |
25 | #include <linux/wait.h> | |
26 | #include <linux/sched.h> | |
27 | #include <drm/drmP.h> | |
28 | #include "amdgpu.h" | |
7034decf | 29 | #include "amdgpu_trace.h" |
c1b69ed0 | 30 | |
4c7eb91c | 31 | static struct fence *amdgpu_sched_dependency(struct amd_sched_job *sched_job) |
e61235db | 32 | { |
a6db8a33 | 33 | struct amdgpu_job *job = to_amdgpu_job(sched_job); |
4c7eb91c | 34 | return amdgpu_sync_get_fence(&job->ibs->sync); |
e61235db CK |
35 | } |
36 | ||
4c7eb91c | 37 | static struct fence *amdgpu_sched_run_job(struct amd_sched_job *sched_job) |
c1b69ed0 | 38 | { |
1886d1a9 | 39 | struct amdgpu_fence *fence = NULL; |
4c7eb91c | 40 | struct amdgpu_job *job; |
bd755d08 | 41 | int r; |
c1b69ed0 | 42 | |
4c7eb91c | 43 | if (!sched_job) { |
4cef9267 | 44 | DRM_ERROR("job is null\n"); |
6f0e54a9 | 45 | return NULL; |
4cef9267 | 46 | } |
a6db8a33 | 47 | job = to_amdgpu_job(sched_job); |
7034decf | 48 | trace_amdgpu_sched_run_job(job); |
e2840221 | 49 | r = amdgpu_ib_schedule(job->adev, job->num_ibs, job->ibs, job->owner); |
1886d1a9 CK |
50 | if (r) { |
51 | DRM_ERROR("Error scheduling IBs (%d)\n", r); | |
c1b69ed0 | 52 | goto err; |
1886d1a9 CK |
53 | } |
54 | ||
6ef68c17 CK |
55 | fence = job->ibs[job->num_ibs - 1].fence; |
56 | fence_get(&fence->base); | |
7484667c | 57 | |
1886d1a9 | 58 | err: |
4c7eb91c JZ |
59 | if (job->free_job) |
60 | job->free_job(job); | |
bf7ebaee | 61 | |
4c7eb91c | 62 | kfree(job); |
1886d1a9 | 63 | return fence ? &fence->base : NULL; |
c1b69ed0 CZ |
64 | } |
65 | ||
66 | struct amd_sched_backend_ops amdgpu_sched_ops = { | |
e61235db | 67 | .dependency = amdgpu_sched_dependency, |
c1b69ed0 | 68 | .run_job = amdgpu_sched_run_job, |
c1b69ed0 CZ |
69 | }; |
70 | ||
3c704e93 CZ |
71 | int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev, |
72 | struct amdgpu_ring *ring, | |
73 | struct amdgpu_ib *ibs, | |
74 | unsigned num_ibs, | |
bb977d37 | 75 | int (*free_job)(struct amdgpu_job *), |
1763552e CZ |
76 | void *owner, |
77 | struct fence **f) | |
3c704e93 CZ |
78 | { |
79 | int r = 0; | |
80 | if (amdgpu_enable_scheduler) { | |
bb977d37 CZ |
81 | struct amdgpu_job *job = |
82 | kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL); | |
83 | if (!job) | |
3c704e93 | 84 | return -ENOMEM; |
4f839a24 | 85 | job->base.sched = &ring->sched; |
bb977d37 | 86 | job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity; |
e2840221 CK |
87 | job->base.s_fence = amd_sched_fence_create(job->base.s_entity, owner); |
88 | if (!job->base.s_fence) { | |
89 | kfree(job); | |
90 | return -ENOMEM; | |
91 | } | |
92 | *f = fence_get(&job->base.s_fence->base); | |
93 | ||
bb977d37 CZ |
94 | job->adev = adev; |
95 | job->ibs = ibs; | |
96 | job->num_ibs = num_ibs; | |
e2840221 | 97 | job->owner = owner; |
bb977d37 | 98 | job->free_job = free_job; |
e2840221 | 99 | amd_sched_entity_push_job(&job->base); |
f556cb0c | 100 | } else { |
4af9f07c | 101 | r = amdgpu_ib_schedule(adev, num_ibs, ibs, owner); |
f556cb0c CZ |
102 | if (r) |
103 | return r; | |
281b4223 | 104 | *f = fence_get(&ibs[num_ibs - 1].fence->base); |
f556cb0c | 105 | } |
3c62338c | 106 | |
1763552e | 107 | return 0; |
3c704e93 | 108 | } |