From: Ranjani Sridharan Date: Fri, 27 Jan 2023 12:00:14 +0000 (+0200) Subject: ASoC: SOF: ipc4-topology: No need to unbind routes within a pipeline X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9a62d87acee94919af1fe92f2412fff83dcbcda0;p=linux.git ASoC: SOF: ipc4-topology: No need to unbind routes within a pipeline The FW currently ignores unbinding routes if the source and sink widgets belong to the same pipeline. So no need to send the IPC at all in the first place. Signed-off-by: Ranjani Sridharan Reviewed-by: Pierre-Louis Bossart Reviewed-by: Bard Liao Reviewed-by: Rander Wang Signed-off-by: Peter Ujfalusi Link: https://lore.kernel.org/r/20230127120031.10709-2-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index ba99114e86a91..ae8ec98bb4eb3 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -1805,12 +1805,19 @@ static int sof_ipc4_route_free(struct snd_sof_dev *sdev, struct snd_sof_route *s struct sof_ipc4_fw_module *sink_fw_module = sink_widget->module_info; struct sof_ipc4_msg msg = {{ 0 }}; u32 header, extension; - int ret; + int ret = 0; dev_dbg(sdev->dev, "unbind modules %s:%d -> %s:%d\n", src_widget->widget->name, sroute->src_queue_id, sink_widget->widget->name, sroute->dst_queue_id); + /* + * routes belonging to the same pipeline will be disconnected by the FW when the pipeline + * is freed. So avoid sending this IPC which will be ignored by the FW anyway. + */ + if (src_widget->pipe_widget == sink_widget->pipe_widget) + goto out; + header = src_fw_module->man4_module_entry.id; header |= SOF_IPC4_MOD_INSTANCE(src_widget->instance_id); header |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_UNBIND); @@ -1829,7 +1836,7 @@ static int sof_ipc4_route_free(struct snd_sof_dev *sdev, struct snd_sof_route *s if (ret < 0) dev_err(sdev->dev, "failed to unbind modules %s -> %s\n", src_widget->widget->name, sink_widget->widget->name); - +out: sof_ipc4_put_queue_id(sink_widget, sroute->dst_queue_id, SOF_PIN_TYPE_SINK); sof_ipc4_put_queue_id(src_widget, sroute->src_queue_id, SOF_PIN_TYPE_SOURCE);