soundwire: only compute BPT stream in sdw_compute_dp0_port_params

bardliao · vinodkoul · commit 43b2a39183c7 · 2025-12-08T12:37:26.000+05:30
DP0 is only for BPT stream. We should not compute and update the port params of the normal audio streams. Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://patch.msgid.link/20251014031450.3781789-3-yung-chuan.liao@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
diff --git a/drivers/soundwire/generic_bandwidth_allocation.c b/drivers/soundwire/generic_bandwidth_allocation.c
@@ -124,6 +124,9 @@ static void sdw_compute_dp0_port_params(struct sdw_bus *bus)
 	struct sdw_master_runtime *m_rt;
 
 	list_for_each_entry(m_rt, &bus->m_rt_list, bus_node) {
+		/* DP0 is for BPT only */
+		if (m_rt->stream->type != SDW_STREAM_BPT)
+			continue;
 		sdw_compute_dp0_master_ports(m_rt);
 		sdw_compute_dp0_slave_ports(m_rt);
 	}

Original file line number	Diff line number	Diff line change
`@@ -124,6 +124,9 @@ static void sdw_compute_dp0_port_params(struct sdw_bus *bus)`
`124`	`124`	`struct sdw_master_runtime *m_rt;`
`125`	`125`
`126`	`126`	`list_for_each_entry(m_rt, &bus->m_rt_list, bus_node) {`
	`127`	`+ /* DP0 is for BPT only */`
	`128`	`+ if (m_rt->stream->type != SDW_STREAM_BPT)`
	`129`	`+ continue;`
`127`	`130`	`sdw_compute_dp0_master_ports(m_rt);`
`128`	`131`	`sdw_compute_dp0_slave_ports(m_rt);`
`129`	`132`	`}`