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| author |   Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2021-03-23 13:07:01 +0800 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2021-03-30 14:36:11 +0530 |
| commit | 8f29bb83586ea993e98b258e1fdb657367dd3c25 (patch) | |
| tree | db8c7a3d364bf5701c5a5035b8ad98670de4e0b4 /drivers/soundwire | |
| parent | soundwire: add definition for DPn BlockPackingMode (diff) | |
| download | linux-dev-8f29bb83586ea993e98b258e1fdb657367dd3c25.tar.xz linux-dev-8f29bb83586ea993e98b258e1fdb657367dd3c25.zip | |
soundwire: generic_allocation: fix confusion between group and packing
The existing code makes no sense, we multiply a channel number by
zero (SDW_BLK_GRP_CNT_1), and the result is used to configure the
block packing mode. Sampling grouping and channel packing are two
separate concepts in SoundWire.
In addition, the bandwidth allocation allocates a vertical slice for
each stream, which makes the use of the PER_CHANNEL packing mode
irrelevant.
Let's use the proper definition for block packing mode (PER_PORT).
This change has no functional impact though since the net result is
the same configuration of the DPN_BlockCtrl3 register, when
implemented.
Reported-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20210323050701.23760-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
| -rw-r--r-- | drivers/soundwire/generic_bandwidth_allocation.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/soundwire/generic_bandwidth_allocation.c b/drivers/soundwire/generic_bandwidth_allocation.c index 805f5b6ebe86..84d129587084 100644 --- a/drivers/soundwire/generic_bandwidth_allocation.c +++ b/drivers/soundwire/generic_bandwidth_allocation.c @@ -62,7 +62,7 @@ static void sdw_compute_slave_ports(struct sdw_master_runtime *m_rt, sample_int, port_bo, port_bo >> 8, t_data->hstart, t_data->hstop, - (SDW_BLK_GRP_CNT_1 * ch), 0x0); + SDW_BLK_PKG_PER_PORT, 0x0); sdw_fill_port_params(&p_rt->port_params, p_rt->num, bps, @@ -95,7 +95,7 @@ static void sdw_compute_master_ports(struct sdw_master_runtime *m_rt, struct sdw_bus *bus = m_rt->bus; struct sdw_bus_params *b_params = &bus->params; int sample_int, hstart = 0; - unsigned int rate, bps, ch, no_ch; + unsigned int rate, bps, ch; rate = m_rt->stream->params.rate; bps = m_rt->stream->params.bps; @@ -110,12 +110,11 @@ static void sdw_compute_master_ports(struct sdw_master_runtime *m_rt, t_data.hstart = hstart; list_for_each_entry(p_rt, &m_rt->port_list, port_node) { - no_ch = sdw_ch_mask_to_ch(p_rt->ch_mask); sdw_fill_xport_params(&p_rt->transport_params, p_rt->num, false, SDW_BLK_GRP_CNT_1, sample_int, port_bo, port_bo >> 8, hstart, hstop, - (SDW_BLK_GRP_CNT_1 * no_ch), 0x0); + SDW_BLK_PKG_PER_PORT, 0x0); sdw_fill_port_params(&p_rt->port_params, p_rt->num, bps, |