Release 4.8 drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
/*
* 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"
#include "amdgpu_trace.h"
static void amdgpu_job_timedout(struct amd_sched_job *s_job)
{
struct amdgpu_job *job = container_of(s_job, struct amdgpu_job, base);
DRM_ERROR("ring %s timeout, last signaled seq=%u, last emitted seq=%u\n",
job->base.sched->name,
atomic_read(&job->ring->fence_drv.last_seq),
job->ring->fence_drv.sync_seq);
amdgpu_gpu_reset(job->adev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| monk liu | monk liu | 54 | 81.82% | 1 | 33.33% |
| chunming zhou | chunming zhou | 7 | 10.61% | 1 | 33.33% |
| christian koenig | christian koenig | 5 | 7.58% | 1 | 33.33% |
| Total | 66 | 100.00% | 3 | 100.00% |
int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
struct amdgpu_job **job, struct amdgpu_vm *vm)
{
size_t size = sizeof(struct amdgpu_job);
if (num_ibs == 0)
return -EINVAL;
size += sizeof(struct amdgpu_ib) * num_ibs;
*job = kzalloc(size, GFP_KERNEL);
if (!*job)
return -ENOMEM;
(*job)->adev = adev;
(*job)->vm = vm;
(*job)->ibs = (void *)&(*job)[1];
(*job)->num_ibs = num_ibs;
amdgpu_sync_create(&(*job)->sync);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| christian koenig | christian koenig | 120 | 89.55% | 3 | 75.00% |
| monk liu | monk liu | 14 | 10.45% | 1 | 25.00% |
| Total | 134 | 100.00% | 4 | 100.00% |
int amdgpu_job_alloc_with_ib(struct amdgpu_device *adev, unsigned size,
struct amdgpu_job **job)
{
int r;
r = amdgpu_job_alloc(adev, 1, job, NULL);
if (r)
return r;
r = amdgpu_ib_get(adev, NULL, size, &(*job)->ibs[0]);
if (r)
kfree(*job);
return r;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| christian koenig | christian koenig | 75 | 97.40% | 2 | 66.67% |
| monk liu | monk liu | 2 | 2.60% | 1 | 33.33% |
| Total | 77 | 100.00% | 3 | 100.00% |
void amdgpu_job_free_resources(struct amdgpu_job *job)
{
struct fence *f;
unsigned i;
/* use sched fence if available */
f = job->base.s_fence ? &job->base.s_fence->finished : job->fence;
for (i = 0; i < job->num_ibs; ++i)
amdgpu_ib_free(job->adev, &job->ibs[i], f);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| christian koenig | christian koenig | 42 | 58.33% | 5 | 71.43% |
| monk liu | monk liu | 30 | 41.67% | 2 | 28.57% |
| Total | 72 | 100.00% | 7 | 100.00% |
void amdgpu_job_free_cb(struct amd_sched_job *s_job)
{
struct amdgpu_job *job = container_of(s_job, struct amdgpu_job, base);
fence_put(job->fence);
amdgpu_sync_free(&job->sync);
kfree(job);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| monk liu | monk liu | 26 | 57.78% | 1 | 33.33% |
| christian koenig | christian koenig | 19 | 42.22% | 2 | 66.67% |
| Total | 45 | 100.00% | 3 | 100.00% |
void amdgpu_job_free(struct amdgpu_job *job)
{
amdgpu_job_free_resources(job);
fence_put(job->fence);
amdgpu_sync_free(&job->sync);
kfree(job);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| christian koenig | christian koenig | 35 | 100.00% | 2 | 100.00% |
| Total | 35 | 100.00% | 2 | 100.00% |
int amdgpu_job_submit(struct amdgpu_job *job, struct amdgpu_ring *ring,
struct amd_sched_entity *entity, void *owner,
struct fence **f)
{
int r;
job->ring = ring;
if (!f)
return -EINVAL;
r = amd_sched_job_init(&job->base, &ring->sched, entity, owner);
if (r)
return r;
job->owner = owner;
job->ctx = entity->fence_context;
*f = fence_get(&job->base.s_fence->finished);
amdgpu_job_free_resources(job);
amd_sched_entity_push_job(&job->base);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| christian koenig | christian koenig | 91 | 76.47% | 6 | 75.00% |
| monk liu | monk liu | 28 | 23.53% | 2 | 25.00% |
| Total | 119 | 100.00% | 8 | 100.00% |
static struct fence *amdgpu_job_dependency(struct amd_sched_job *sched_job)
{
struct amdgpu_job *job = to_amdgpu_job(sched_job);
struct amdgpu_vm *vm = job->vm;
struct fence *fence = amdgpu_sync_get_fence(&job->sync);
if (fence == NULL && vm && !job->vm_id) {
struct amdgpu_ring *ring = job->ring;
int r;
r = amdgpu_vm_grab_id(vm, ring, &job->sync,
&job->base.s_fence->finished,
job);
if (r)
DRM_ERROR("Error getting VM ID (%d)\n", r);
fence = amdgpu_sync_get_fence(&job->sync);
}
return fence;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| christian koenig | christian koenig | 114 | 94.21% | 8 | 80.00% |
| junwei zhang | junwei zhang | 7 | 5.79% | 2 | 20.00% |
| Total | 121 | 100.00% | 10 | 100.00% |
static struct fence *amdgpu_job_run(struct amd_sched_job *sched_job)
{
struct fence *fence = NULL;
struct amdgpu_job *job;
int r;
if (!sched_job) {
DRM_ERROR("job is null\n");
return NULL;
}
job = to_amdgpu_job(sched_job);
BUG_ON(amdgpu_sync_peek_fence(&job->sync, NULL));
trace_amdgpu_sched_run_job(job);
r = amdgpu_ib_schedule(job->ring, job->num_ibs, job->ibs,
job->sync.last_vm_update, job, &fence);
if (r)
DRM_ERROR("Error scheduling IBs (%d)\n", r);
/* if gpu reset, hw fence will be replaced here */
fence_put(job->fence);
job->fence = fence_get(fence);
amdgpu_job_free_resources(job);
return fence;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| chunming zhou | chunming zhou | 62 | 46.97% | 5 | 25.00% |
| christian koenig | christian koenig | 50 | 37.88% | 11 | 55.00% |
| junwei zhang | junwei zhang | 12 | 9.09% | 2 | 10.00% |
| monk liu | monk liu | 8 | 6.06% | 2 | 10.00% |
| Total | 132 | 100.00% | 20 | 100.00% |
const struct amd_sched_backend_ops amdgpu_sched_ops = {
.dependency = amdgpu_job_dependency,
.run_job = amdgpu_job_run,
.timedout_job = amdgpu_job_timedout,
.free_job = amdgpu_job_free_cb
};
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| christian koenig | christian koenig | 568 | 67.06% | 28 | 63.64% |
| monk liu | monk liu | 162 | 19.13% | 7 | 15.91% |
| chunming zhou | chunming zhou | 97 | 11.45% | 6 | 13.64% |
| junwei zhang | junwei zhang | 19 | 2.24% | 2 | 4.55% |
| nils wallmenius | nils wallmenius | 1 | 0.12% | 1 | 2.27% |
| Total | 847 | 100.00% | 44 | 100.00% |
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