[PATCH] drm/amdgpu: Fix missing drain retry fault the last entry

[Emily Deng]

For equal case, it also need to be dropped.

Signed-off-by: Emily Deng <Emily.Deng at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
index 7d4395a5d8ac..73b8bcb54734 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h
@@ -76,7 +76,7 @@ struct amdgpu_ih_ring {
 
 /* return true if time stamp t2 is after t1 with 48bit wrap around */
 #define amdgpu_ih_ts_after(t1, t2) \
-		(((int64_t)((t2) << 16) - (int64_t)((t1) << 16)) > 0LL)
+		(((int64_t)((t2) << 16) - (int64_t)((t1) << 16)) >= 0LL)
 
 /* provided by the ih block */
 struct amdgpu_ih_funcs {
-- 
2.34.1