[PATCH 6.1 227/272] drm/amdkfd: fix TLB flush after unmap for GFX9.4.2

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6.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Eric Huang <jinhuieric.huang@xxxxxxx>

commit 1210e2f1033dc56b666c9f6dfb761a2d3f9f5d6c upstream.

TLB flush after unmap accidentially was removed on
gfx9.4.2. It is to add it back.

Signed-off-by: Eric Huang <jinhuieric.huang@xxxxxxx>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/amd/amdkfd/kfd_priv.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -1349,7 +1349,7 @@ void kfd_flush_tlb(struct kfd_process_de
 
 static inline bool kfd_flush_tlb_after_unmap(struct kfd_dev *dev)
 {
-	return KFD_GC_VERSION(dev) > IP_VERSION(9, 4, 2) ||
+	return KFD_GC_VERSION(dev) >= IP_VERSION(9, 4, 2) ||
 	       (KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 1) && dev->sdma_fw_version >= 18) ||
 	       KFD_GC_VERSION(dev) == IP_VERSION(9, 4, 0);
 }






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