aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
diff options
context:
space:
mode:
authorMark Brown <broonie@kernel.org>2015-10-12 13:09:27 -0400
committerMark Brown <broonie@kernel.org>2015-10-12 13:09:27 -0400
commit79828b4fa835f73cdaf4bffa48696abdcbea9d02 (patch)
tree5e0fa7156acb75ba603022bc807df8f2fedb97a8 /drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
parent721b51fcf91898299d96f4b72cb9434cda29dce6 (diff)
parent8c1a9d6323abf0fb1e5dad96cf3f1c783505ea5a (diff)
Merge remote-tracking branch 'asoc/fix/rt5645' into asoc-fix-rt5645
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
new file mode 100644
index 000000000000..de98fbd2971e
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sched.c
@@ -0,0 +1,128 @@
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
30static struct fence *amdgpu_sched_dependency(struct amd_sched_job *job)
31{
32 struct amdgpu_job *sched_job = (struct amdgpu_job *)job;
33 return amdgpu_sync_get_fence(&sched_job->ibs->sync);
34}
35
36static struct fence *amdgpu_sched_run_job(struct amd_sched_job *job)
37{
38 struct amdgpu_job *sched_job;
39 struct amdgpu_fence *fence;
40 int r;
41
42 if (!job) {
43 DRM_ERROR("job is null\n");
44 return NULL;
45 }
46 sched_job = (struct amdgpu_job *)job;
47 mutex_lock(&sched_job->job_lock);
48 r = amdgpu_ib_schedule(sched_job->adev,
49 sched_job->num_ibs,
50 sched_job->ibs,
51 sched_job->base.owner);
52 if (r)
53 goto err;
54 fence = amdgpu_fence_ref(sched_job->ibs[sched_job->num_ibs - 1].fence);
55
56 if (sched_job->free_job)
57 sched_job->free_job(sched_job);
58
59 mutex_unlock(&sched_job->job_lock);
60 return &fence->base;
61
62err:
63 DRM_ERROR("Run job error\n");
64 mutex_unlock(&sched_job->job_lock);
65 job->sched->ops->process_job(job);
66 return NULL;
67}
68
69static void amdgpu_sched_process_job(struct amd_sched_job *job)
70{
71 struct amdgpu_job *sched_job;
72
73 if (!job) {
74 DRM_ERROR("job is null\n");
75 return;
76 }
77 sched_job = (struct amdgpu_job *)job;
78 /* after processing job, free memory */
79 fence_put(&sched_job->base.s_fence->base);
80 kfree(sched_job);
81}
82
83struct amd_sched_backend_ops amdgpu_sched_ops = {
84 .dependency = amdgpu_sched_dependency,
85 .run_job = amdgpu_sched_run_job,
86 .process_job = amdgpu_sched_process_job
87};
88
89int amdgpu_sched_ib_submit_kernel_helper(struct amdgpu_device *adev,
90 struct amdgpu_ring *ring,
91 struct amdgpu_ib *ibs,
92 unsigned num_ibs,
93 int (*free_job)(struct amdgpu_job *),
94 void *owner,
95 struct fence **f)
96{
97 int r = 0;
98 if (amdgpu_enable_scheduler) {
99 struct amdgpu_job *job =
100 kzalloc(sizeof(struct amdgpu_job), GFP_KERNEL);
101 if (!job)
102 return -ENOMEM;
103 job->base.sched = ring->scheduler;
104 job->base.s_entity = &adev->kernel_ctx.rings[ring->idx].entity;
105 job->adev = adev;
106 job->ibs = ibs;
107 job->num_ibs = num_ibs;
108 job->base.owner = owner;
109 mutex_init(&job->job_lock);
110 job->free_job = free_job;
111 mutex_lock(&job->job_lock);
112 r = amd_sched_entity_push_job((struct amd_sched_job *)job);
113 if (r) {
114 mutex_unlock(&job->job_lock);
115 kfree(job);
116 return r;
117 }
118 *f = fence_get(&job->base.s_fence->base);
119 mutex_unlock(&job->job_lock);
120 } else {
121 r = amdgpu_ib_schedule(adev, num_ibs, ibs, owner);
122 if (r)
123 return r;
124 *f = fence_get(&ibs[num_ibs - 1].fence->base);
125 }
126
127 return 0;
128}