diff --git a/config/zen/bli_cntx_init_zen.c b/config/zen/bli_cntx_init_zen.c
index 368f0e8f7..efdc9a83d 100644
--- a/config/zen/bli_cntx_init_zen.c
+++ b/config/zen/bli_cntx_init_zen.c
@@ -5,7 +5,7 @@
    libraries.
 
    Copyright (C) 2014, The University of Texas at Austin
-   Copyright (C) 2018 - 2019, Advanced Micro Devices, Inc.
+   Copyright (C) 2020, Advanced Micro Devices, Inc.
 
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are
@@ -168,6 +168,20 @@ void bli_cntx_init_zen( cntx_t* cntx )
 	  cntx
 	);
 
+    // Update the context with the current architecture's register and cache
+	// blocksizes for level-3 TRSM execution.
+	bli_cntx_set_trsm_blkszs
+	(
+	  5,
+	  // level-3
+	  BLIS_NC, &blkszs[ BLIS_NC ],
+	  BLIS_KC, &blkszs[ BLIS_KC ],
+	  BLIS_MC, &blkszs[ BLIS_MC ],
+	  BLIS_NR, &blkszs[ BLIS_NR ],
+	  BLIS_MR, &blkszs[ BLIS_MR ],
+	  cntx
+	);
+
 	// -------------------------------------------------------------------------
 
 	// Initialize sup thresholds with architecture-appropriate values.
diff --git a/frame/base/bli_cntx.h b/frame/base/bli_cntx.h
index 998658d3b..41921cf24 100644
--- a/frame/base/bli_cntx.h
+++ b/frame/base/bli_cntx.h
@@ -6,7 +6,7 @@
 
    Copyright (C) 2014, The University of Texas at Austin
    Copyright (C) 2016, Hewlett Packard Enterprise Development LP
-   Copyright (C) 2019, Advanced Micro Devices, Inc.
+   Copyright (C) 2020, Advanced Micro Devices, Inc.
 
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are
@@ -735,6 +735,8 @@ BLIS_EXPORT_BLIS void bli_cntx_clear( cntx_t* cntx );
 
 BLIS_EXPORT_BLIS void bli_cntx_set_blkszs( ind_t method, dim_t n_bs, ... );
 
+BLIS_EXPORT_BLIS void bli_cntx_set_trsm_blkszs( dim_t n_bs, ... );
+
 BLIS_EXPORT_BLIS void bli_cntx_set_ind_blkszs( ind_t method, dim_t n_bs, ... );
 
 BLIS_EXPORT_BLIS void bli_cntx_set_l3_nat_ukrs( dim_t n_ukrs, ... );