diff --git a/sound/soc/sof/amd/acp-ipc.c b/sound/soc/sof/amd/acp-ipc.c
index 5f371d9263f3..12caefd08788 100644
--- a/sound/soc/sof/amd/acp-ipc.c
+++ b/sound/soc/sof/amd/acp-ipc.c
@@ -167,6 +167,7 @@ irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context)
 
 	if (sdev->first_boot && sdev->fw_state != SOF_FW_BOOT_COMPLETE) {
 		acp_mailbox_read(sdev, sdev->dsp_box.offset, &status, sizeof(status));
+
 		if ((status & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) {
 			snd_sof_dsp_panic(sdev, sdev->dsp_box.offset + sizeof(status),
 					  true);
@@ -188,13 +189,21 @@ irqreturn_t acp_sof_ipc_irq_thread(int irq, void *context)
 
 	dsp_ack = snd_sof_dsp_read(sdev, ACP_DSP_BAR, ACP_SCRATCH_REG_0 + dsp_ack_write);
 	if (dsp_ack) {
-		spin_lock_irq(&sdev->ipc_lock);
-		/* handle immediate reply from DSP core */
-		acp_dsp_ipc_get_reply(sdev);
-		snd_sof_ipc_reply(sdev, 0);
-		/* set the done bit */
-		acp_dsp_ipc_dsp_done(sdev);
-		spin_unlock_irq(&sdev->ipc_lock);
+		if (likely(sdev->fw_state == SOF_FW_BOOT_COMPLETE)) {
+			spin_lock_irq(&sdev->ipc_lock);
+
+			/* handle immediate reply from DSP core */
+			acp_dsp_ipc_get_reply(sdev);
+			snd_sof_ipc_reply(sdev, 0);
+			/* set the done bit */
+			acp_dsp_ipc_dsp_done(sdev);
+
+			spin_unlock_irq(&sdev->ipc_lock);
+		} else {
+			dev_dbg_ratelimited(sdev->dev, "IPC reply before FW_BOOT_COMPLETE: %#x\n",
+					    dsp_ack);
+		}
+
 		ipc_irq = true;
 	}