[PATCH] drm/amdgpu: fix no-vmid job

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[  132.036658] amdgpu 0000:22:00.0: VM IB without ID
[  132.036709] [drm:amdgpu_job_run [amdgpu]] *ERROR* Error scheduling IBs (-22)
[  132.036755] [drm:amd_sched_main [amdgpu]] *ERROR* Failed to run job!

root cause is fence is signaled during sync transfer.

Change-Id: I6193e3005fef38a45dfcb985f11e73022f25be59
Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_job.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index 37d3f31..690ef3d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -139,7 +139,7 @@ static struct fence *amdgpu_job_dependency(struct amd_sched_job *sched_job)
 
 	struct fence *fence = amdgpu_sync_get_fence(&job->sync);
 
-	if (fence == NULL && vm && !job->vm_id) {
+	while (fence == NULL && vm && !job->vm_id) {
 		struct amdgpu_ring *ring = job->ring;
 		int r;
 
-- 
1.9.1



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