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authorChristian König <christian.koenig@amd.com>2016-02-01 06:31:01 -0500
committerAlex Deucher <alexander.deucher@amd.com>2016-02-10 14:17:23 -0500
commit0856cab1a6298d9cbf037dc683ce514cadb28040 (patch)
treec0b0fa03d84ad2339399bc9e2d21688b300b36c9 /drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
parentd71518b5aa7c9c298ffbd12ddd23297e3373a37b (diff)
drm/amdgpu: rename amdgpu_sched.c to amdgpu_job.c
That's probably a better matching name. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucer@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_job.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_job.c151
1 files changed, 151 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
new file mode 100644
index 000000000000..6f3e757e056e
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -0,0 +1,151 @@
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"
29#include "amdgpu_trace.h"
30
31int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
32 struct amdgpu_job **job)
33{
34 size_t size = sizeof(struct amdgpu_job);
35
36 if (num_ibs == 0)
37 return -EINVAL;
38
39 size += sizeof(struct amdgpu_ib) * num_ibs;
40
41 *job = kzalloc(size, GFP_KERNEL);
42 if (!*job)
43 return -ENOMEM;
44
45 (*job)->adev = adev;
46 (*job)->ibs = (void *)&(*job)[1];
47 (*job)->num_ibs = num_ibs;
48
49 return 0;
50}
51
52int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
53 struct amdgpu_job **job)
54{
55 int r;
56
57 r = amdgpu_job_alloc(adev, 1, job);
58 if (r)
59 return r;
60
61 r = amdgpu_ib_get(adev, NULL, size, &(*job)->ibs[0]);
62 if (r)
63 kfree(*job);
64
65 return r;
66}
67
68void amdgpu_job_free(struct amdgpu_job *job)
69{
70 unsigned i;
71
72 for (i = 0; i < job->num_ibs; ++i)
73 amdgpu_ib_free(job->adev, &job->ibs[i]);
74
75 amdgpu_bo_unref(&job->uf.bo);
76 kfree(job);
77}
78
79int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
80 void *owner, struct fence **f)
81{
82 struct amdgpu_device *adev = job->adev;
83
84 job->ring = ring;
85 job->base.sched = &ring->sched;
86 job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity;
87 job->base.s_fence = amd_sched_fence_create(job->base.s_entity, owner);
88 if (!job->base.s_fence)
89 return -ENOMEM;
90
91 *f = fence_get(&job->base.s_fence->base);
92
93 job->owner = owner;
94 amd_sched_entity_push_job(&job->base);
95
96 return 0;
97}
98
99static struct fence *amdgpu_job_dependency(struct amd_sched_job *sched_job)
100{
101 struct amdgpu_job *job = to_amdgpu_job(sched_job);
102 struct amdgpu_sync *sync = &job->ibs->sync;
103 struct amdgpu_vm *vm = job->ibs->vm;
104
105 struct fence *fence = amdgpu_sync_get_fence(sync);
106
107 if (fence == NULL && vm && !job->ibs->grabbed_vmid) {
108 struct amdgpu_ring *ring = job->ring;
109 int r;
110
111 r = amdgpu_vm_grab_id(vm, ring, sync,
112 &job->base.s_fence->base);
113 if (r)
114 DRM_ERROR("Error getting VM ID (%d)\n", r);
115 else
116 job->ibs->grabbed_vmid = true;
117
118 fence = amdgpu_sync_get_fence(sync);
119 }
120
121 return fence;
122}
123
124static struct fence *amdgpu_job_run(struct amd_sched_job *sched_job)
125{
126 struct fence *fence = NULL;
127 struct amdgpu_job *job;
128 int r;
129
130 if (!sched_job) {
131 DRM_ERROR("job is null\n");
132 return NULL;
133 }
134 job = to_amdgpu_job(sched_job);
135 trace_amdgpu_sched_run_job(job);
136 r = amdgpu_ib_schedule(job->ring, job->num_ibs, job->ibs,
137 job->owner, &fence);
138 if (r) {
139 DRM_ERROR("Error scheduling IBs (%d)\n", r);
140 goto err;
141 }
142
143err:
144 amdgpu_job_free(job);
145 return fence;
146}
147
148struct amd_sched_backend_ops amdgpu_sched_ops = {
149 .dependency = amdgpu_job_dependency,
150 .run_job = amdgpu_job_run,
151};