diff options
Diffstat (limited to 'sound/soc/sof/ipc4-topology.c')
| -rw-r--r-- | sound/soc/sof/ipc4-topology.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index f82db7f2a6b7..4849a3ce02dc 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -32,7 +32,6 @@ MODULE_PARM_DESC(ipc4_ignore_cpc, #define SOF_IPC4_GAIN_PARAM_ID 0 #define SOF_IPC4_TPLG_ABI_SIZE 6 -#define SOF_IPC4_CHAIN_DMA_BUF_SIZE_MS 2 static DEFINE_IDA(alh_group_ida); static DEFINE_IDA(pipeline_ida); @@ -519,8 +518,13 @@ static int sof_ipc4_widget_setup_pcm(struct snd_sof_widget *swidget) swidget->tuples, swidget->num_tuples, sizeof(u32), 1); /* Set default DMA buffer size if it is not specified in topology */ - if (!sps->dsp_max_burst_size_in_ms) - sps->dsp_max_burst_size_in_ms = SOF_IPC4_MIN_DMA_BUFFER_SIZE; + if (!sps->dsp_max_burst_size_in_ms) { + struct snd_sof_widget *pipe_widget = swidget->spipe->pipe_widget; + struct sof_ipc4_pipeline *pipeline = pipe_widget->private; + + sps->dsp_max_burst_size_in_ms = pipeline->use_chain_dma ? + SOF_IPC4_CHAIN_DMA_BUFFER_SIZE : SOF_IPC4_MIN_DMA_BUFFER_SIZE; + } } else { /* Capture data is copied from DSP to host in 1ms bursts */ spcm->stream[dir].dsp_max_burst_size_in_ms = 1; @@ -1777,10 +1781,10 @@ sof_ipc4_prepare_copier_module(struct snd_sof_widget *swidget, pipeline->msg.extension |= SOF_IPC4_GLB_EXT_CHAIN_DMA_FIFO_SIZE(fifo_size); /* - * Chain DMA does not support stream timestamping, set node_id to invalid - * to skip the code in sof_ipc4_get_stream_start_offset(). + * Chain DMA does not support stream timestamping, but it + * can use the host side registers for delay calculation. */ - copier_data->gtw_cfg.node_id = SOF_IPC4_INVALID_NODE_ID; + copier_data->gtw_cfg.node_id = SOF_IPC4_CHAIN_DMA_NODE_ID; return 0; } |