[PATCH] Revert "drm/amdkfd: only allow heavy-weight TLB flush on some ASICs for SVM too"

[Lang Yu]

This reverts commit a129dbca92edaeb5a515a0e5b63ada71cf9b981a.

It causes SVM regressions on Vega10 with XNACK-ON. Just revert it
at the moment.

./kfdtest --gtest_filter=KFDSVMRangeTest.MigratePolicyTest

Signed-off-by: Lang Yu <Lang.Yu at amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
index 5afe216cf099..459fa07a3bcc 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -1229,9 +1229,7 @@ svm_range_unmap_from_gpus(struct svm_range *prange, unsigned long start,
 			if (r)
 				break;
 		}
-
-		if (kfd_flush_tlb_after_unmap(pdd->dev))
-			kfd_flush_tlb(pdd, TLB_FLUSH_HEAVYWEIGHT);
+		kfd_flush_tlb(pdd, TLB_FLUSH_HEAVYWEIGHT);
 	}
 
 	return r;
-- 
2.25.1