diff options
author | Christian König <christian.koenig@amd.com> | 2015-11-05 12:57:10 +0100 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2015-11-23 12:19:58 -0500 |
commit | 393a0bd4376a8ecdde079344681a014ec3eb1291 (patch) | |
tree | e32f0731bf98cd875eba23d6db0e0121b9c6e2d0 /drivers/gpu/drm/amd/scheduler/sched_fence.c | |
parent | e98c1b0de6fe73f488df62d83d83f377b1b6e2b8 (diff) |
drm/amdgpu: optimize scheduler fence handling
We only need to wait for jobs to be scheduled when
the dependency is from the same scheduler.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/scheduler/sched_fence.c')
-rw-r--r-- | drivers/gpu/drm/amd/scheduler/sched_fence.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/scheduler/sched_fence.c b/drivers/gpu/drm/amd/scheduler/sched_fence.c index 8d2130b9ff05..87c78eecea64 100644 --- a/drivers/gpu/drm/amd/scheduler/sched_fence.c +++ b/drivers/gpu/drm/amd/scheduler/sched_fence.c @@ -35,6 +35,8 @@ struct amd_sched_fence *amd_sched_fence_create(struct amd_sched_entity *s_entity fence = kmem_cache_zalloc(sched_fence_slab, GFP_KERNEL); if (fence == NULL) return NULL; + + INIT_LIST_HEAD(&fence->scheduled_cb); fence->owner = owner; fence->sched = s_entity->sched; spin_lock_init(&fence->lock); @@ -55,6 +57,17 @@ void amd_sched_fence_signal(struct amd_sched_fence *fence) FENCE_TRACE(&fence->base, "was already signaled\n"); } +void amd_sched_fence_scheduled(struct amd_sched_fence *s_fence) +{ + struct fence_cb *cur, *tmp; + + set_bit(AMD_SCHED_FENCE_SCHEDULED_BIT, &s_fence->base.flags); + list_for_each_entry_safe(cur, tmp, &s_fence->scheduled_cb, node) { + list_del_init(&cur->node); + cur->func(&s_fence->base, cur); + } +} + static const char *amd_sched_fence_get_driver_name(struct fence *fence) { return "amd_sched"; |