Only schedule when hmm_range_fault returns error.
Signed-off-by: James Zhu <James.Zhu@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
index b24eb5821fd1..55b65fc04b65 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_hmm.c
@@ -199,6 +199,7 @@ int amdgpu_hmm_range_get_pages(struct mmu_interval_notifier *notifier,
hmm_range->notifier_seq = mmu_interval_read_begin(notifier);
r = hmm_range_fault(hmm_range);
if (unlikely(r)) {
+ schedule();
/*
* FIXME: This timeout should encompass the retry from
* mmu_interval_read_retry() as well.
@@ -212,7 +213,6 @@ int amdgpu_hmm_range_get_pages(struct mmu_interval_notifier *notifier,
break;
hmm_range->hmm_pfns += MAX_WALK_BYTE >> PAGE_SHIFT;
hmm_range->start = hmm_range->end;
- schedule();
} while (hmm_range->end < end);
hmm_range->start = start;
--
2.25.1
