diff --git a/drivers/staging/media/atomisp/pci/runtime/debug/interface/ia_css_debug.h b/drivers/staging/media/atomisp/pci/runtime/debug/interface/ia_css_debug.h
index fff89e9b4b01..3a3d72c6eaaa 100644
--- a/drivers/staging/media/atomisp/pci/runtime/debug/interface/ia_css_debug.h
+++ b/drivers/staging/media/atomisp/pci/runtime/debug/interface/ia_css_debug.h
@@ -141,12 +141,6 @@ static inline void __printf(2, 0) ia_css_debug_vdtrace(unsigned int level,
 __printf(2, 3) void ia_css_debug_dtrace(unsigned int level,
 					const char *fmt, ...);
 
-/*! @brief Dump sp thread's stack contents
- * SP thread's stack contents are set to 0xcafecafe. This function dumps the
- * stack to inspect if the stack's boundaries are compromised.
- * @return	None
- */
-void ia_css_debug_dump_sp_stack_info(void);
 
 /*! @brief Function to set the global dtrace verbosity level.
  * @param[in]	trace_level	Maximum level of the messages to be traced.
diff --git a/drivers/staging/media/atomisp/pci/runtime/debug/src/ia_css_debug.c b/drivers/staging/media/atomisp/pci/runtime/debug/src/ia_css_debug.c
index bb6204cb42c5..bb30146c5fe7 100644
--- a/drivers/staging/media/atomisp/pci/runtime/debug/src/ia_css_debug.c
+++ b/drivers/staging/media/atomisp/pci/runtime/debug/src/ia_css_debug.c
@@ -105,7 +105,8 @@
  * TODO:SH_CSS_MAX_SP_THREADS is not the max number of sp threads
  * future rework should fix this and remove the define MAX_THREAD_NUM
  */
-#define MAX_THREAD_NUM (SH_CSS_MAX_SP_THREADS + SH_CSS_MAX_SP_INTERNAL_THREADS)
+#define MAX_THREAD_NUM_2400 (SH_CSS_MAX_SP_THREADS + SH_CSS_MAX_SP_INTERNAL_THREADS_2400)
+#define MAX_THREAD_NUM_2401 (SH_CSS_MAX_SP_THREADS + SH_CSS_MAX_SP_INTERNAL_THREADS_2401)
 
 static struct pipe_graph_class {
 	bool do_init;
@@ -147,79 +148,6 @@ void ia_css_debug_dtrace(unsigned int level, const char *fmt, ...)
 	va_end(ap);
 }
 
-static void debug_dump_long_array_formatted(
-    const sp_ID_t sp_id,
-    hrt_address stack_sp_addr,
-    unsigned int stack_size)
-{
-	unsigned int i;
-	u32 val;
-	u32 addr = (uint32_t)stack_sp_addr;
-	u32 stack_size_words = CEIL_DIV(stack_size, sizeof(uint32_t));
-
-	/* When size is not multiple of four, last word is only relevant for
-	 * remaining bytes */
-	for (i = 0; i < stack_size_words; i++) {
-		val = sp_dmem_load_uint32(sp_id, (hrt_address)addr);
-		if ((i % 8) == 0)
-			ia_css_debug_dtrace(IA_CSS_DEBUG_VERBOSE, "\n");
-
-		ia_css_debug_dtrace(IA_CSS_DEBUG_VERBOSE, "0x%08x ", val);
-		addr += sizeof(uint32_t);
-	}
-
-	ia_css_debug_dtrace(IA_CSS_DEBUG_VERBOSE, "\n");
-}
-
-static void debug_dump_sp_stack_info(
-    const sp_ID_t sp_id)
-{
-	const struct ia_css_fw_info *fw;
-	unsigned int HIVE_ADDR_sp_threads_stack;
-	unsigned int HIVE_ADDR_sp_threads_stack_size;
-	u32 stack_sizes[MAX_THREAD_NUM];
-	u32 stack_sp_addr[MAX_THREAD_NUM];
-	unsigned int i;
-
-	fw = &sh_css_sp_fw;
-
-	ia_css_debug_dtrace(IA_CSS_DEBUG_VERBOSE, "sp_id(%u) stack info\n", sp_id);
-	ia_css_debug_dtrace(IA_CSS_DEBUG_VERBOSE,
-			    "from objects stack_addr_offset:0x%x stack_size_offset:0x%x\n",
-			    fw->info.sp.threads_stack,
-			    fw->info.sp.threads_stack_size);
-
-	HIVE_ADDR_sp_threads_stack = fw->info.sp.threads_stack;
-	HIVE_ADDR_sp_threads_stack_size = fw->info.sp.threads_stack_size;
-
-	if (fw->info.sp.threads_stack == 0 ||
-	    fw->info.sp.threads_stack_size == 0)
-		return;
-
-	(void)HIVE_ADDR_sp_threads_stack;
-	(void)HIVE_ADDR_sp_threads_stack_size;
-
-	sp_dmem_load(sp_id,
-		     (unsigned int)sp_address_of(sp_threads_stack),
-		     &stack_sp_addr, sizeof(stack_sp_addr));
-	sp_dmem_load(sp_id,
-		     (unsigned int)sp_address_of(sp_threads_stack_size),
-		     &stack_sizes, sizeof(stack_sizes));
-
-	for (i = 0 ; i < MAX_THREAD_NUM; i++) {
-		ia_css_debug_dtrace(IA_CSS_DEBUG_VERBOSE,
-				    "thread: %u stack_addr: 0x%08x stack_size: %u\n",
-				    i, stack_sp_addr[i], stack_sizes[i]);
-		debug_dump_long_array_formatted(sp_id, (hrt_address)stack_sp_addr[i],
-						stack_sizes[i]);
-	}
-}
-
-void ia_css_debug_dump_sp_stack_info(void)
-{
-	debug_dump_sp_stack_info(SP0_ID);
-}
-
 void ia_css_debug_set_dtrace_level(const unsigned int trace_level)
 {
 	dbg_level = trace_level;
