diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/ipc4-topology.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index eff43635a88f..f2a30cd31378 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -17,6 +17,19 @@ #include "ipc4-topology.h" #include "ops.h" +/* + * The ignore_cpc flag can be used to ignore the CPC value for all modules by + * using 0 instead. + * The CPC is sent to the firmware along with the SOF_IPC4_MOD_INIT_INSTANCE + * message and it is used for clock scaling. + * 0 as CPC value will instruct the firmware to use maximum frequency, thus + * deactivating the clock scaling. + */ +static bool ignore_cpc; +module_param_named(ipc4_ignore_cpc, ignore_cpc, bool, 0444); +MODULE_PARM_DESC(ipc4_ignore_cpc, + "Ignore CPC values. This option will disable clock scaling in firmware."); + #define SOF_IPC4_GAIN_PARAM_ID 0 #define SOF_IPC4_TPLG_ABI_SIZE 6 #define SOF_IPC4_CHAIN_DMA_BUF_SIZE_MS 2 @@ -970,9 +983,16 @@ sof_ipc4_update_resource_usage(struct snd_sof_dev *sdev, struct snd_sof_widget * /* Update base_config->cpc from the module manifest */ sof_ipc4_update_cpc_from_manifest(sdev, fw_module, base_config); - dev_dbg(sdev->dev, "%s: ibs / obs / cpc: %u / %u / %u\n", - swidget->widget->name, base_config->ibs, base_config->obs, - base_config->cpc); + if (ignore_cpc) { + dev_dbg(sdev->dev, "%s: ibs / obs: %u / %u, forcing cpc to 0 from %u\n", + swidget->widget->name, base_config->ibs, base_config->obs, + base_config->cpc); + base_config->cpc = 0; + } else { + dev_dbg(sdev->dev, "%s: ibs / obs / cpc: %u / %u / %u\n", + swidget->widget->name, base_config->ibs, base_config->obs, + base_config->cpc); + } } static int sof_ipc4_widget_assign_instance_id(struct snd_sof_dev *sdev, |