[PATCH 10/13] drm/amd: reset hw count when reset job

[Chunming Zhou]

Means the hw ring is empty after gpu reset.

Change-Id: Icd753424640f1377ad9eaa446cd69fffc6009077
Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
---
 drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 2c8c234..4fff63b 100644
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -417,6 +417,7 @@ void amd_sched_hw_job_reset(struct amd_gpu_scheduler *sched)
 			s_job->s_fence->parent = NULL;
 		}
 	}
+	atomic_set(&sched->hw_rq_count, 0);
 	spin_unlock(&sched->job_list_lock);
 }
 
@@ -434,6 +435,8 @@ void amd_sched_job_recovery(struct amd_gpu_scheduler *sched)
 	list_for_each_entry(s_job, &sched->ring_mirror_list, node) {
 		struct amd_sched_fence *s_fence = s_job->s_fence;
 		struct fence *fence = sched->ops->run_job(s_job);
+
+		atomic_inc(&sched->hw_rq_count);
 		if (fence) {
 			s_fence->parent = fence_get(fence);
 			r = fence_add_callback(fence, &s_fence->cb,
-- 
1.9.1