[PATCH v2 12/12] ASoC: SOF: topology: Add kernel parameter for topology verification
Daniel Baluta
daniel.baluta at oss.nxp.com
Fri Sep 17 16:36:59 CEST 2021
From: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
Add a kernel debug flag to enable a one-shot topology
verification for all pipelines including the dynamic
ones. If the debug flag is set, all the topology
component loading will be verified during the complete
callback.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan at linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski at linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen at linux.intel.com>
Signed-off-by: Daniel Baluta <daniel.baluta at nxp.com>
---
sound/soc/sof/pm.c | 4 ++--
sound/soc/sof/sof-audio.c | 37 +++++++++++++++++++++++++------------
sound/soc/sof/sof-audio.h | 4 ++--
sound/soc/sof/sof-priv.h | 1 +
sound/soc/sof/topology.c | 17 ++++++++++++++++-
5 files changed, 46 insertions(+), 17 deletions(-)
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c
index ea27567d2fe4..9ec091130323 100644
--- a/sound/soc/sof/pm.c
+++ b/sound/soc/sof/pm.c
@@ -157,7 +157,7 @@ static int sof_resume(struct device *dev, bool runtime_resume)
}
/* restore pipelines */
- ret = sof_set_up_pipelines(sdev->dev);
+ ret = sof_set_up_pipelines(sdev->dev, false);
if (ret < 0) {
dev_err(sdev->dev,
"error: failed to restore pipeline after resume %d\n",
@@ -208,7 +208,7 @@ static int sof_suspend(struct device *dev, bool runtime_suspend)
if (target_state == SOF_DSP_PM_D0)
goto suspend;
- sof_tear_down_pipelines(dev);
+ sof_tear_down_pipelines(dev, false);
/* release trace */
snd_sof_release_trace(sdev);
diff --git a/sound/soc/sof/sof-audio.c b/sound/soc/sof/sof-audio.c
index 7b4dd64576fa..c4cabe26b157 100644
--- a/sound/soc/sof/sof-audio.c
+++ b/sound/soc/sof/sof-audio.c
@@ -589,7 +589,7 @@ const struct sof_ipc_pipe_new *snd_sof_pipeline_find(struct snd_sof_dev *sdev,
return NULL;
}
-int sof_set_up_pipelines(struct device *dev)
+int sof_set_up_pipelines(struct device *dev, bool verify)
{
struct snd_sof_dev *sdev = dev_get_drvdata(dev);
struct snd_sof_widget *swidget;
@@ -599,7 +599,7 @@ int sof_set_up_pipelines(struct device *dev)
/* restore pipeline components */
list_for_each_entry_reverse(swidget, &sdev->widget_list, list) {
/* only set up the widgets belonging to static pipelines */
- if (swidget->dynamic_pipeline_widget)
+ if (!verify && swidget->dynamic_pipeline_widget)
continue;
/* update DAI config. The IPC will be sent in sof_widget_setup() */
@@ -630,8 +630,8 @@ int sof_set_up_pipelines(struct device *dev)
list_for_each_entry(sroute, &sdev->route_list, list) {
/* only set up routes belonging to static pipelines */
- if (sroute->src_widget->dynamic_pipeline_widget ||
- sroute->sink_widget->dynamic_pipeline_widget)
+ if (!verify && (sroute->src_widget->dynamic_pipeline_widget ||
+ sroute->sink_widget->dynamic_pipeline_widget))
continue;
ret = sof_route_setup_ipc(sdev, sroute);
@@ -646,7 +646,7 @@ int sof_set_up_pipelines(struct device *dev)
switch (swidget->id) {
case snd_soc_dapm_scheduler:
/* only complete static pipelines */
- if (swidget->dynamic_pipeline_widget)
+ if (!verify && swidget->dynamic_pipeline_widget)
continue;
swidget->complete =
@@ -661,24 +661,37 @@ int sof_set_up_pipelines(struct device *dev)
}
/*
- * This function doesn't free widgets. It only resets the set up status for all routes and
- * use_count for all widgets.
+ * This function doesn't free widgets during suspend. It only resets the set up status for all
+ * routes and use_count for all widgets.
*/
-void sof_tear_down_pipelines(struct device *dev)
+int sof_tear_down_pipelines(struct device *dev, bool verify)
{
struct snd_sof_dev *sdev = dev_get_drvdata(dev);
struct snd_sof_widget *swidget;
struct snd_sof_route *sroute;
+ int ret;
/*
- * No need to protect swidget->use_count and sroute->setup as this function is called only
- * during the suspend callback and all streams should be suspended by then
+ * This function is called during suspend and for one-time topology verification during
+ * first boot. In both cases, there is no need to protect swidget->use_count and
+ * sroute->setup because during suspend all streams are suspended and during topology
+ * loading the sound card unavailable to open PCMs.
*/
- list_for_each_entry(swidget, &sdev->widget_list, list)
- swidget->use_count = 0;
+ list_for_each_entry_reverse(swidget, &sdev->widget_list, list) {
+ if (!verify) {
+ swidget->use_count = 0;
+ continue;
+ }
+
+ ret = sof_widget_free(sdev, swidget);
+ if (ret < 0)
+ return ret;
+ }
list_for_each_entry(sroute, &sdev->route_list, list)
sroute->setup = false;
+
+ return 0;
}
/*
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index 8d1fc6a8d7d0..149b3dbcddd1 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -246,8 +246,8 @@ int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol,
int sof_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
/* PM */
-int sof_set_up_pipelines(struct device *dev);
-void sof_tear_down_pipelines(struct device *dev);
+int sof_set_up_pipelines(struct device *dev, bool verify);
+int sof_tear_down_pipelines(struct device *dev, bool verify);
int sof_set_hw_params_upon_resume(struct device *dev);
bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev);
bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev);
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 9b1bdba15c74..33610c60b57f 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -23,6 +23,7 @@
/* debug flags */
#define SOF_DBG_ENABLE_TRACE BIT(0)
#define SOF_DBG_RETAIN_CTX BIT(1) /* prevent DSP D3 on FW exception */
+#define SOF_DBG_VERIFY_TPLG BIT(2) /* verify topology during load */
#define SOF_DBG_DUMP_REGS BIT(0)
#define SOF_DBG_DUMP_MBOX BIT(1)
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index d8eb238e5229..44d60081bc26 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -3452,8 +3452,23 @@ static int sof_complete(struct snd_soc_component *scomp)
}
}
+ /* verify topology components loading including dynamic pipelines */
+ if (sof_core_debug & SOF_DBG_VERIFY_TPLG) {
+ ret = sof_set_up_pipelines(scomp->dev, true);
+ if (ret < 0) {
+ dev_err(sdev->dev, "error: topology verification failed %d\n", ret);
+ return ret;
+ }
+
+ ret = sof_tear_down_pipelines(scomp->dev, true);
+ if (ret < 0) {
+ dev_err(sdev->dev, "error: topology tear down pipelines failed %d\n", ret);
+ return ret;
+ }
+ }
+
/* set up static pipelines */
- return sof_set_up_pipelines(scomp->dev);
+ return sof_set_up_pipelines(scomp->dev, false);
}
/* manifest - optional to inform component of manifest */
--
2.27.0
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