6.6-stable review patch. If anyone has any objections, please let me know.
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From: Peter Ujfalusi peter.ujfalusi@linux.intel.com
[ Upstream commit a7fe5ff832d61d9393095bc3dd5f06f4af7da3c1 ]
The firmware has changed the minimum host buffer size from 2 periods to 4 periods (1 period is 1ms) which was missed by the kernel side.
Adjust the SOF_IPC4_MIN_DMA_BUFFER_SIZE to 4 ms to align with firmware.
Link: https://github.com/thesofproject/sof/commit/f0a14a3f410735db18a79eb7a5f40dc4... Fixes: 594c1bb9ff73 ("ASoC: SOF: ipc4-topology: Do not parse the DMA_BUFFER_SIZE token") Signed-off-by: Peter Ujfalusi peter.ujfalusi@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Kai Vehmanen kai.vehmanen@linux.intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com Link: https://patch.msgid.link/20251002135752.2430-2-peter.ujfalusi@linux.intel.co... Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/sof/ipc4-topology.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/sound/soc/sof/ipc4-topology.h b/sound/soc/sof/ipc4-topology.h index 0fb759c6eeaf9..07bd84204baa7 100644 --- a/sound/soc/sof/ipc4-topology.h +++ b/sound/soc/sof/ipc4-topology.h @@ -59,8 +59,8 @@
#define SOF_IPC4_INVALID_NODE_ID 0xffffffff
-/* FW requires minimum 2ms DMA buffer size */ -#define SOF_IPC4_MIN_DMA_BUFFER_SIZE 2 +/* FW requires minimum 4ms DMA buffer size */ +#define SOF_IPC4_MIN_DMA_BUFFER_SIZE 4
/* * The base of multi-gateways. Multi-gateways addressing starts from