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-rw-r--r--include/sound/sof/ipc4/header.h2
-rw-r--r--sound/soc/sof/intel/hda-loader.c7
-rw-r--r--sound/soc/sof/ipc4-loader.c6
-rw-r--r--sound/soc/sof/ipc4-priv.h3
-rw-r--r--sound/soc/sof/ipc4.c14
5 files changed, 28 insertions, 4 deletions
diff --git a/include/sound/sof/ipc4/header.h b/include/sound/sof/ipc4/header.h
index f71d04736d17..e85c7afd85a4 100644
--- a/include/sound/sof/ipc4/header.h
+++ b/include/sound/sof/ipc4/header.h
@@ -498,6 +498,8 @@ struct sof_ipc4_intel_mic_privacy_cap {
#define SOF_IPC4_LOG_CORE_GET(x) (((x) & SOF_IPC4_LOG_CORE_MASK) >> \
SOF_IPC4_LOG_CORE_SHIFT)
+#define SOF_IPC4_FW_READY_LIB_RESTORED BIT(15)
+
/* Value of notification type field - must fit into 8 bits */
enum sof_ipc4_notification_type {
/* Phrase detected (notification from WoV module) */
diff --git a/sound/soc/sof/intel/hda-loader.c b/sound/soc/sof/intel/hda-loader.c
index 49085ca7b46b..2cc11d8b0f70 100644
--- a/sound/soc/sof/intel/hda-loader.c
+++ b/sound/soc/sof/intel/hda-loader.c
@@ -579,8 +579,11 @@ int hda_dsp_ipc4_load_library(struct snd_sof_dev *sdev,
struct sof_ipc4_msg msg = {};
int ret, ret1;
- /* if IMR booting is enabled and fw context is saved for D3 state, skip the loading */
- if (reload && hda->booted_from_imr && ipc4_data->fw_context_save)
+ /*
+ * if IMR booting is enabled and libraries have been restored during fw
+ * boot, skip the loading
+ */
+ if (reload && hda->booted_from_imr && ipc4_data->libraries_restored)
return 0;
/* the fw_lib has been verified during loading, we can trust the validity here */
diff --git a/sound/soc/sof/ipc4-loader.c b/sound/soc/sof/ipc4-loader.c
index d2f534d65edf..ee61394e73d7 100644
--- a/sound/soc/sof/ipc4-loader.c
+++ b/sound/soc/sof/ipc4-loader.c
@@ -494,6 +494,12 @@ int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev)
break;
case SOF_IPC4_FW_CONTEXT_SAVE:
ipc4_data->fw_context_save = *tuple->value;
+ /*
+ * Set the default libraries_restored value - if full
+ * context save is supported then it means that
+ * libraries are restored
+ */
+ ipc4_data->libraries_restored = ipc4_data->fw_context_save;
break;
default:
break;
diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h
index 58b032820683..45e9b78432f7 100644
--- a/sound/soc/sof/ipc4-priv.h
+++ b/sound/soc/sof/ipc4-priv.h
@@ -72,6 +72,8 @@ struct sof_ipc4_fw_library {
* @max_num_pipelines: max number of pipelines
* @max_libs_count: Maximum number of libraries support by the FW including the
* base firmware
+ * @fw_context_save: Firmware supports full context save and restore
+ * @libraries_restored: The libraries have been retained during firmware boot
*
* @load_library: Callback function for platform dependent library loading
* @pipeline_state_mutex: Mutex to protect pipeline triggers, ref counts, states and deletion
@@ -87,6 +89,7 @@ struct sof_ipc4_fw_data {
int max_num_pipelines;
u32 max_libs_count;
bool fw_context_save;
+ bool libraries_restored;
int (*load_library)(struct snd_sof_dev *sdev,
struct sof_ipc4_fw_library *fw_lib, bool reload);
diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c
index 37e837b22ac8..0ba0e8e615ae 100644
--- a/sound/soc/sof/ipc4.c
+++ b/sound/soc/sof/ipc4.c
@@ -576,9 +576,19 @@ EXPORT_SYMBOL(sof_ipc4_find_debug_slot_offset_by_type);
static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg)
{
- /* no need to re-check version/ABI for subsequent boots */
- if (!sdev->first_boot)
+ if (!sdev->first_boot) {
+ struct sof_ipc4_fw_data *ipc4_data = sdev->private;
+
+ /*
+ * After the initial boot only check if the libraries have been
+ * restored when full context save is not enabled
+ */
+ if (!ipc4_data->fw_context_save)
+ ipc4_data->libraries_restored = !!(ipc4_msg->primary &
+ SOF_IPC4_FW_READY_LIB_RESTORED);
+
return 0;
+ }
sof_ipc4_create_exception_debugfs_node(sdev);