soundwire: take in count the bandwidth of a prepared stream

When a stream's state is marked as prepared, it is ready for
playback/capture. Therefore, we need to include the stream's bandwidth
when we calculate the required bandwidth of a bus.

Fixes: 25befdf32aa40 ("soundwire: generic_bandwidth_allocation: count the bandwidth of active streams only")
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://github.com/thesofproject/linux/issues/5334
Reviewed-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20250310073653.56476-1-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
index b646c2f..1cfaccf 100644 (file)
--- a/drivers/soundwire/generic_bandwidth_allocation.c
+++ b/drivers/soundwire/generic_bandwidth_allocation.c
@@ -237,10 +237,11 @@ static int sdw_compute_group_params(struct sdw_bus *bus,
                                continue;
                } else {
                        /*
-                        * Include runtimes with running (ENABLED state) and paused (DISABLED state)
-                        * streams
+                        * Include runtimes with running (ENABLED/PREPARED state) and
+                        * paused (DISABLED state) streams
                         */
                        if (m_rt->stream->state != SDW_STREAM_ENABLED &&
+                           m_rt->stream->state != SDW_STREAM_PREPARED &&
                            m_rt->stream->state != SDW_STREAM_DISABLED)
                                continue;
                }