Am 25.05.2018 um 06:45 schrieb Nayan Deshmukh:
When checking for a dependency fence for belonging to the same entity
compare it with scheduled as well finished fence. Earlier we were only
comparing it with the scheduled fence.
Signed-off-by: Nayan Deshmukh <nayan26deshmukh@xxxxxxxxx>
Reviewed and pushed this patch into our internal repository.
Now going to take a look at the rest,
Christian.
---
drivers/gpu/drm/scheduler/gpu_scheduler.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/scheduler/gpu_scheduler.c b/drivers/gpu/drm/scheduler/gpu_scheduler.c
index df1578d6f42e..44d480768dfe 100644
--- a/drivers/gpu/drm/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/scheduler/gpu_scheduler.c
@@ -349,8 +349,13 @@ static bool drm_sched_entity_add_dependency_cb(struct drm_sched_entity *entity)
struct dma_fence * fence = entity->dependency;
struct drm_sched_fence *s_fence;
- if (fence->context == entity->fence_context) {
- /* We can ignore fences from ourself */
+ if (fence->context == entity->fence_context ||
+ fence->context == entity->fence_context + 1) {
+ /*
+ * Fence is a scheduled/finished fence from a job
+ * which belongs to the same entity, we can ignore
+ * fences from ourself
+ */
dma_fence_put(entity->dependency);
return false;
}
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