#0: Fix switching between multi cq with eth dispatch. Dynamic idle et…

…h cores were not being added to dispatch pool when changing number of cqs

tt_metal/impl/device/device.cpp

@@ -1805,10 +1805,12 @@ void Device::update_dispatch_cores_for_multi_cq_eth_dispatch() {
     // When running Multiple CQs using Ethernet Dispatch, we may need more dispatch cores than those allocated in the
     // core descriptor (ex: 2 CQs on N300 need 10 dispatch cores and the core descriptor only allocates 6).
     // Infer the remaining dispatch cores from the idle eth core list (this is device dependent).
-    if (dispatch_core_manager::get(this->num_hw_cqs()).get_dispatch_core_type(this->id()) == CoreType::ETH) {
-        auto& dispatch_core_manager = dispatch_core_manager::get(this->num_hw_cqs());
-        for (const auto& idle_eth_core : this->get_inactive_ethernet_cores()) {
-            dispatch_core_manager.add_dispatch_core_to_device(this->id(), idle_eth_core);
+    for (uint8_t num_hw_cqs = 1; num_hw_cqs <= Device::max_num_hw_cqs; ++num_hw_cqs) {
+        if (dispatch_core_manager::get(num_hw_cqs).get_dispatch_core_type(this->id()) == CoreType::ETH) {
+            auto& dispatch_core_manager = dispatch_core_manager::get(num_hw_cqs);
+            for (const auto& idle_eth_core : this->get_inactive_ethernet_cores()) {
+                dispatch_core_manager.add_dispatch_core_to_device(this->id(), idle_eth_core);
+            }
         }
     }
 }