From: Ranjani Sridharan ranjani.sridharan@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@linux.intel.com Reviewed-by: Guennadi Liakhovetski guennadi.liakhovetski@linux.intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Kai Vehmanen kai.vehmanen@linux.intel.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 80e4a8c29280..d950157feebe 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 */