SMEM-P: add tCrP debug print, reset permute to 0

dsv4/kernels/attention/fmha.py

@@ -24,7 +24,7 @@ class FmhaKernel:
         self.use_smem_p = use_smem_p if use_smem_p is not None else (head_dim > 64)
         self.debug_p_one = False  # DEBUG: write constant P=1.0 to verify mapping
         self.debug_swap_mn = False  # DEBUG: try swapping m and n0 in coordinate mapping
-        self.debug_permute = 1  # DEBUG: try different coordinate permutations (0=original,1=swap m↔n0)
+        self.debug_permute = 0  # DEBUG: try different coordinate permutations (0=original,1=swap m↔n0)
         self.acc_dtype = Float32; self.qk_acc_dtype = Float32
         self.q_dtype = BFloat16; self.o_dtype = BFloat16; self.c_dtype = BFloat16
         self.use_2cta_instrs = False; self.epilog_sync_bar_id = 1
@@ -184,6 +184,8 @@ class FmhaKernel:
         tOrP_base = pv_thr.make_fragment_A(tP if not self.use_smem_p else sP)
         tOrP = tOrP_base[(None,None,None,0)]
         tCrP = pv_mma.make_fragment_A(sP)
+        if self.use_smem_p:
+            print(f"[SMEM-P DEBUG] tCrP shape: {cute.shape(tCrP)} layout: {tCrP.layout}")
         # tOrP0 always defined as tOrP. The TMEM-P path in the MMA warp applies
         # the p0 column offset inline when constructing the gemm arguments.
         tOrP0 = tOrP