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From 1e53d096f4dced394aa092c3e50493a34aba7460 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Tue, 27 Oct 2015 17:00:17 +0100
Subject: [PATCH 0640/1050] drm/amdgpu: ignore scheduler fences from the same
entity
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
We are going to submit them before the job anyway.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
---
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 7fa1d7a..8dd7316 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -222,6 +222,12 @@ amd_sched_entity_pop_job(struct amd_sched_entity *entity)
while ((entity->dependency = sched->ops->dependency(sched_job))) {
+ if (entity->dependency->context == entity->fence_context) {
+ /* We can ignore fences from ourself */
+ fence_put(entity->dependency);
+ continue;
+ }
+
if (fence_add_callback(entity->dependency, &entity->cb,
amd_sched_entity_wakeup))
fence_put(entity->dependency);
--
1.9.1
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