diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 32e93b53e7e8706fe4994fbed0347bad99992eb3..5d05d125c3c1444ccfd99a07078570330694ede5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -1217,6 +1217,13 @@ int amdkfd_fence_wait_timeout(unsigned int *fence_addr,
 	while (*fence_addr != fence_value) {
 		if (time_after(jiffies, end_jiffies)) {
 			pr_err("qcm fence wait loop timeout expired\n");
+			/* In HWS case, this is used to halt the driver thread
+			 * in order not to mess up CP states before doing
+			 * scandumps for FW debugging.
+			 */
+			while (halt_if_hws_hang)
+				schedule();
+
 			return -ETIME;
 		}
 		schedule();
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_module.c b/drivers/gpu/drm/amd/amdkfd/kfd_module.c
index ee7bf07db4723d4f84f39b085cfaf844c3118325..3a8c15ad0c64d3c1f0ad94033aa9b08cdac0bef0 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_module.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_module.c
@@ -92,6 +92,10 @@ MODULE_PARM_DESC(noretry,
 
 static int amdkfd_init_completed;
 
+int halt_if_hws_hang;
+module_param(halt_if_hws_hang, int, 0644);
+MODULE_PARM_DESC(halt_if_hws_hang, "Halt if HWS hang is detected (0 = off (default), 1 = on)");
+
 int kgd2kfd_init(unsigned int interface_version,
 		const struct kgd2kfd_calls **g2f)
 {
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index d9bf70b52857008165b1d1731fcb69badfb6cc2a..8473e7b3dcc234f9ea3ddfbb71d59efcd1394297 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -144,6 +144,11 @@ extern int ignore_crat;
  */
 extern int vega10_noretry;
 
+/*
+ * Halt if HWS hang is detected
+ */
+extern int halt_if_hws_hang;
+
 /**
  * enum kfd_sched_policy
  *