drm/amdkfd: add RAS poison consumption handling for UTCL2 (v2)

Do RAS page retirement and use gpu reset as fallback in UTCL2 fault
handler.

v2: replace vm fault event with posion consumed event in UTCL2
poison consumption.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c

@@ -308,6 +308,12 @@ static void event_interrupt_wq_v9(struct kfd_dev *dev,
 		struct kfd_vm_fault_info info = {0};
 		uint16_t ring_id = SOC15_RING_ID_FROM_IH_ENTRY(ih_ring_entry);
 
+		if (client_id == SOC15_IH_CLIENTID_UTCL2 &&
+		    amdgpu_amdkfd_ras_query_utcl2_poison_status(dev->adev)) {
+			event_interrupt_poison_consumption(dev, pasid, client_id);
+			return;
+		}
+
 		info.vmid = vmid;
 		info.mc_id = client_id;
 		info.page_addr = ih_ring_entry[4] |