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drm/amdgpu: use the new fence_is_later

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Instead of coding the check ourself.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2015-10-22 10:53:16 +02:00 committed by Alex Deucher
parent d52832986a
commit 24233860b9
1 changed files with 13 additions and 17 deletions
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30
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
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@ -87,6 +87,15 @@ static bool amdgpu_sync_test_owner(struct fence *f, void *owner)
return false;
}
static void amdgpu_sync_keep_later(struct fence **keep, struct fence *fence)
{
if (*keep && fence_is_later(*keep, fence))
return;
fence_put(*keep);
*keep = fence_get(fence);
}
/**
* amdgpu_sync_fence - remember to sync to this fence
*
@ -100,34 +109,21 @@ int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync,
struct amdgpu_sync_entry *e;
struct amdgpu_fence *fence;
struct amdgpu_fence *other;
struct fence *tmp, *later;
if (!f)
return 0;
if (amdgpu_sync_same_dev(adev, f) &&
amdgpu_sync_test_owner(f, AMDGPU_FENCE_OWNER_VM)) {
if (sync->last_vm_update) {
tmp = sync->last_vm_update;
BUG_ON(f->context != tmp->context);
later = (f->seqno - tmp->seqno <= INT_MAX) ? f : tmp;
sync->last_vm_update = fence_get(later);
fence_put(tmp);
} else
sync->last_vm_update = fence_get(f);
}
amdgpu_sync_test_owner(f, AMDGPU_FENCE_OWNER_VM))
amdgpu_sync_keep_later(&sync->last_vm_update, f);
fence = to_amdgpu_fence(f);
if (!fence || fence->ring->adev != adev) {
hash_for_each_possible(sync->fences, e, node, f->context) {
struct fence *new;
if (unlikely(e->fence->context != f->context))
continue;
new = fence_get(fence_later(e->fence, f));
if (new) {
fence_put(e->fence);
e->fence = new;
}
amdgpu_sync_keep_later(&e->fence, f);
return 0;
}