From 4a3c949753f502ff0b1abdc1ad37ed8a7da65a5b Mon Sep 17 00:00:00 2001
From: Enrico Degregori <enrico@streamhpc.com>
Date: Fri, 12 Dec 2025 10:11:42 +0000
Subject: [PATCH] Fix gridwise common

---
 .../gridwise_gemm_wmma_cshuffle_v3_common.hpp | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/include/ck/tensor_operation/gpu/grid/gridwise_gemm_wmma_cshuffle_v3_common.hpp b/include/ck/tensor_operation/gpu/grid/gridwise_gemm_wmma_cshuffle_v3_common.hpp
index fef4306732..6003e897e1 100644
--- a/include/ck/tensor_operation/gpu/grid/gridwise_gemm_wmma_cshuffle_v3_common.hpp
+++ b/include/ck/tensor_operation/gpu/grid/gridwise_gemm_wmma_cshuffle_v3_common.hpp
@@ -918,6 +918,27 @@ struct GridwiseGemm_wmma_cshuffle_v3_base
         {
             if(num_k_loop <= BlockwiseGemmPipe::PrefetchStages)
             {
+                if(ck::EnvIsEnabled(CK_ENV(CK_LOGGING)))
+                {
+                    std::cout << "Pipeline validation failed: num_k_loop (" << num_k_loop
+                              << ") <= PrefetchStages (" << BlockwiseGemmPipe::PrefetchStages
+                              << ") for pipeline version != v1." << __FILE__ << ":" << __LINE__
+                              << ", in function: " << __func__ << std::endl;
+                }
+                return false;
+            }
+        }
+
+        if constexpr(is_same<remove_cvref_t<EDataType>, int8_t>::value)
+        {
+            if(karg.KBatch > 1)
+            {
+                if(ck::EnvIsEnabled(CK_ENV(CK_LOGGING)))
+                {
+                    std::cout << "int8_t does not support KBatch > 1. KBatch: " << karg.KBatch
+                              << " " << __FILE__ << ":" << __LINE__ << ", in function: " << __func__
+                              << std::endl;
+                }
                 return false;
             }
         }