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authorChunming Zhou <David1.Zhou@amd.com>2017-05-09 15:50:22 +0800
committerAlex Deucher <alexander.deucher@amd.com>2017-05-24 17:40:35 -0400
commitdf83d1ebc9e304fa3ba4bf79dba76418789a77cf (patch)
tree150b6da48a391edd59e3f74f1da6f948c3fbac51 /drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
parenta022c54e60222fa192004ed951a658cba7262784 (diff)
downloadop-kernel-dev-df83d1ebc9e304fa3ba4bf79dba76418789a77cf.zip
op-kernel-dev-df83d1ebc9e304fa3ba4bf79dba76418789a77cf.tar.gz
drm/amdgpu: add sched sync for amdgpu job v2
this is an improvement for previous patch, the sched_sync is to store fence that could be skipped as scheduled, when job is executed, we didn't need pipeline_sync if all fences in sched_sync are signalled, otherwise insert pipeline_sync still. v2: handle error when adding fence to sync failed. Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> (v1) Reviewed-by: Christian König <christian.koenig@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.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 7570f24..4af9264 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -60,6 +60,7 @@ int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
(*job)->need_pipeline_sync = false;
amdgpu_sync_create(&(*job)->sync);
+ amdgpu_sync_create(&(*job)->sched_sync);
return 0;
}
@@ -98,6 +99,7 @@ static void amdgpu_job_free_cb(struct amd_sched_job *s_job)
dma_fence_put(job->fence);
amdgpu_sync_free(&job->sync);
+ amdgpu_sync_free(&job->sched_sync);
kfree(job);
}
@@ -107,6 +109,7 @@ void amdgpu_job_free(struct amdgpu_job *job)
dma_fence_put(job->fence);
amdgpu_sync_free(&job->sync);
+ amdgpu_sync_free(&job->sched_sync);
kfree(job);
}
@@ -139,10 +142,10 @@ static struct dma_fence *amdgpu_job_dependency(struct amd_sched_job *sched_job)
struct amdgpu_vm *vm = job->vm;
struct dma_fence *fence = amdgpu_sync_get_fence(&job->sync);
+ int r;
while (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,
@@ -153,9 +156,11 @@ static struct dma_fence *amdgpu_job_dependency(struct amd_sched_job *sched_job)
fence = amdgpu_sync_get_fence(&job->sync);
}
- if (amd_sched_dependency_optimized(fence, sched_job->s_entity))
- job->need_pipeline_sync = true;
-
+ if (amd_sched_dependency_optimized(fence, sched_job->s_entity)) {
+ r = amdgpu_sync_fence(job->adev, &job->sched_sync, fence);
+ if (r)
+ DRM_ERROR("Error adding fence to sync (%d)\n", r);
+ }
return fence;
}
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