The SOF_FW_CRASHED state is meant to indicate the unfortunate case when the
firmware has crashed after a successful boot.
IPC tx timeout is not treated as indication of a firmware crash as it tends
to happen regularly while the firmware is operational.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Reviewed-by: Paul Olaru <paul.olaru@xxxxxxxxxxx>
---
sound/soc/sof/debug.c | 1 +
sound/soc/sof/ipc.c | 2 +-
sound/soc/sof/ops.c | 2 ++
sound/soc/sof/pm.c | 7 +++++++
sound/soc/sof/sof-priv.h | 1 +
5 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sof/debug.c b/sound/soc/sof/debug.c
index cf7d95c33afe..5941316751dd 100644
--- a/sound/soc/sof/debug.c
+++ b/sound/soc/sof/debug.c
@@ -939,6 +939,7 @@ static const struct soc_fw_state_info {
{SOF_FW_BOOT_FAILED, "SOF_FW_BOOT_FAILED"},
{SOF_FW_BOOT_READY_FAILED, "SOF_FW_BOOT_READY_FAILED"},
{SOF_FW_BOOT_COMPLETE, "SOF_FW_BOOT_COMPLETE"},
+ {SOF_FW_CRASHED, "SOF_FW_CRASHED"},
};
static void snd_sof_dbg_print_fw_state(struct snd_sof_dev *sdev)
diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c
index 12860da1d373..898f261e8603 100644
--- a/sound/soc/sof/ipc.c
+++ b/sound/soc/sof/ipc.c
@@ -302,7 +302,7 @@ static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, u32 header,
struct snd_sof_ipc_msg *msg;
int ret;
- if (ipc->disable_ipc_tx)
+ if (ipc->disable_ipc_tx || sdev->fw_state == SOF_FW_CRASHED)
return -ENODEV;
/*
diff --git a/sound/soc/sof/ops.c b/sound/soc/sof/ops.c
index edfd080a3e4f..ed46f33ce72b 100644
--- a/sound/soc/sof/ops.c
+++ b/sound/soc/sof/ops.c
@@ -176,6 +176,8 @@ void snd_sof_dsp_panic(struct snd_sof_dev *sdev, u32 offset, bool non_recoverabl
snd_sof_dsp_dbg_dump(sdev, "DSP panic!",
SOF_DBG_DUMP_REGS | SOF_DBG_DUMP_MBOX);
+ if (non_recoverable)
+ sof_set_fw_state(sdev, SOF_FW_CRASHED);
snd_sof_trace_notify_for_error(sdev);
}
}
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index ac8ae6e422a7..f22b5ee23478 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -312,6 +312,13 @@ int snd_sof_prepare(struct device *dev)
/* will suspend to S3 by default */
sdev->system_suspend_target = SOF_SUSPEND_S3;
+ /*
+ * if the firmware is crashed then we try to aim for S3 to reboot the
+ * firmware
+ */
+ if (sdev->fw_state == SOF_FW_CRASHED)
+ return 0;
+
if (!desc->use_acpi_target_states)
return 0;
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 0f849cdbfbc8..9bb30b2a516f 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -382,6 +382,7 @@ enum snd_sof_fw_state {
SOF_FW_BOOT_FAILED,
SOF_FW_BOOT_READY_FAILED, /* firmware booted but fw_ready op failed */
SOF_FW_BOOT_COMPLETE,
+ SOF_FW_CRASHED,
};
/*
--
2.34.1
