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drm/amdgpu: Get rid of dep_sync as a seperate object.

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Instead mark fence as explicit in it's amdgpu_sync_entry.

v2:
Fix use after free bug and add new parameter description.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky
2017-11-13 14:47:52 -05:00
committed by Alex Deucher
parent 97489129c2
commit cebb52b7bc
7 changed files with 36 additions and 34 deletions
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22
drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
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@@ -60,7 +60,6 @@ int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs,
(*job)->num_ibs = num_ibs;
amdgpu_sync_create(&(*job)->sync);
amdgpu_sync_create(&(*job)->dep_sync);
amdgpu_sync_create(&(*job)->sched_sync);
(*job)->vram_lost_counter = atomic_read(&adev->vram_lost_counter);
@@ -104,7 +103,6 @@ static void amdgpu_job_free_cb(struct amd_sched_job *s_job)
amdgpu_ring_priority_put(job->ring, s_job->s_priority);
dma_fence_put(job->fence);
amdgpu_sync_free(&job->sync);
amdgpu_sync_free(&job->dep_sync);
amdgpu_sync_free(&job->sched_sync);
kfree(job);
}
@@ -115,7 +113,6 @@ void amdgpu_job_free(struct amdgpu_job *job)
dma_fence_put(job->fence);
amdgpu_sync_free(&job->sync);
amdgpu_sync_free(&job->dep_sync);
amdgpu_sync_free(&job->sched_sync);
kfree(job);
}
@@ -149,17 +146,18 @@ static struct dma_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 dma_fence *fence = amdgpu_sync_get_fence(&job->dep_sync);
bool explicit = false;
int r;
struct dma_fence *fence = amdgpu_sync_get_fence(&job->sync, &explicit);
if (amd_sched_dependency_optimized(fence, s_entity)) {
r = amdgpu_sync_fence(job->adev, &job->sched_sync, fence);
if (r)
DRM_ERROR("Error adding fence to sync (%d)\n", r);
if (fence && explicit) {
if (amd_sched_dependency_optimized(fence, s_entity)) {
r = amdgpu_sync_fence(job->adev, &job->sched_sync, fence, false);
if (r)
DRM_ERROR("Error adding fence to sync (%d)\n", r);
}
}
if (!fence)
fence = amdgpu_sync_get_fence(&job->sync);
while (fence == NULL && vm && !job->vm_id) {
struct amdgpu_ring *ring = job->ring;
@@ -169,7 +167,7 @@ static struct dma_fence *amdgpu_job_dependency(struct amd_sched_job *sched_job,
if (r)
DRM_ERROR("Error getting VM ID (%d)\n", r);
fence = amdgpu_sync_get_fence(&job->sync);
fence = amdgpu_sync_get_fence(&job->sync, NULL);
}
return fence;