From: Christian König Date: Tue, 27 Oct 2015 16:00:17 +0000 (+0100) Subject: drm/amdgpu: ignore scheduler fences from the same entity X-Git-Tag: v4.4-rc1~66^2~6^2~22 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=fe537d003f9a97c65848e47b3b9acbb0c5002fd9;p=linux.git drm/amdgpu: ignore scheduler fences from the same entity We are going to submit them before the job anyway. Signed-off-by: Christian König Reviewed-by: Chunming Zhou --- diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 7fa1d7a438e9..8dd7316b1d4f 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);