1 files changed, 19 insertions, 12 deletions

diff --git a/sound/soc/intel/avs/ipc.c b/sound/soc/intel/avs/ipc.c
index 4fba46e77c47..c0feb9edd7f6 100644
--- a/sound/soc/intel/avs/ipc.c
+++ b/sound/soc/intel/avs/ipc.c
@@ -10,6 +10,7 @@
 #include <linux/slab.h>
 #include <sound/hdaudio_ext.h>
 #include "avs.h"
+#include "debug.h"
 #include "messages.h"
 #include "registers.h"
 #include "trace.h"
@@ -141,7 +142,6 @@ static void avs_dsp_recovery(struct avs_dev *adev)
 	if (ret < 0)
 		dev_err(adev->dev, "dsp reboot failed: %d\n", ret);
 
-	pm_runtime_mark_last_busy(adev->dev);
 	pm_runtime_enable(adev->dev);
 	pm_request_autosuspend(adev->dev);
 
@@ -169,7 +169,9 @@ static void avs_dsp_exception_caught(struct avs_dev *adev, union avs_notify_msg
 
 	dev_crit(adev->dev, "communication severed, rebooting dsp..\n");
 
-	cancel_delayed_work_sync(&ipc->d0ix_work);
+	/* Avoid deadlock as the exception may be the response to SET_D0IX. */
+	if (current_work() != &ipc->d0ix_work.work)
+		cancel_delayed_work_sync(&ipc->d0ix_work);
 	ipc->in_d0ix = false;
 	/* Re-enabled on recovery completion. */
 	pm_runtime_disable(adev->dev);
@@ -184,10 +186,11 @@ static void avs_dsp_receive_rx(struct avs_dev *adev, u64 header)
 {
 	struct avs_ipc *ipc = adev->ipc;
 	union avs_reply_msg msg = AVS_MSG(header);
-	u64 reg;
+	u32 sts, lec;
 
-	reg = readq(avs_sram_addr(adev, AVS_FW_REGS_WINDOW));
-	trace_avs_ipc_reply_msg(header, reg);
+	sts = snd_hdac_adsp_readl(adev, AVS_FW_REG_STATUS(adev));
+	lec = snd_hdac_adsp_readl(adev, AVS_FW_REG_ERROR(adev));
+	trace_avs_ipc_reply_msg(header, sts, lec);
 
 	ipc->rx.header = header;
 	/* Abort copying payload if request processing was unsuccessful. */
@@ -209,10 +212,11 @@ static void avs_dsp_process_notification(struct avs_dev *adev, u64 header)
 	union avs_notify_msg msg = AVS_MSG(header);
 	size_t data_size = 0;
 	void *data = NULL;
-	u64 reg;
+	u32 sts, lec;
 
-	reg = readq(avs_sram_addr(adev, AVS_FW_REGS_WINDOW));
-	trace_avs_ipc_notify_msg(header, reg);
+	sts = snd_hdac_adsp_readl(adev, AVS_FW_REG_STATUS(adev));
+	lec = snd_hdac_adsp_readl(adev, AVS_FW_REG_ERROR(adev));
+	trace_avs_ipc_notify_msg(header, sts, lec);
 
 	/* Ignore spurious notifications until handshake is established. */
 	if (!adev->ipc->ready && msg.notify_msg_type != AVS_NOTIFY_FW_READY) {
@@ -367,13 +371,16 @@ static void avs_ipc_msg_init(struct avs_ipc *ipc, struct avs_ipc_msg *reply)
 static void avs_dsp_send_tx(struct avs_dev *adev, struct avs_ipc_msg *tx, bool read_fwregs)
 {
 	const struct avs_spec *const spec = adev->spec;
-	u64 reg = ULONG_MAX;
+	u32 sts = UINT_MAX;
+	u32 lec = UINT_MAX;
 
 	tx->header |= spec->hipc->req_busy_mask;
-	if (read_fwregs)
-		reg = readq(avs_sram_addr(adev, AVS_FW_REGS_WINDOW));
+	if (read_fwregs) {
+		sts = snd_hdac_adsp_readl(adev, AVS_FW_REG_STATUS(adev));
+		lec = snd_hdac_adsp_readl(adev, AVS_FW_REG_ERROR(adev));
+	}
 
-	trace_avs_request(tx, reg);
+	trace_avs_request(tx, sts, lec);
 
 	if (tx->size)
 		memcpy_toio(avs_downlink_addr(adev), tx->data, tx->size);