From: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com

[ Upstream commit 8544eebc78c96f1834a46b26ade3e7ebe785d10c ]

Apparently it is possible for code to allocate large buffers which may cause warnings as reported in [1]. This was fixed for HDA, SOF and skylake in patchset [2], fix it also for avs driver.

[1] https://github.com/thesofproject/linux/issues/3430 [2] https://lore.kernel.org/all/20220215132756.31236-1-tiwai@suse.de/

Signed-off-by: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com Link: https://lore.kernel.org/r/20220707124153.1858249-8-cezary.rojewski@intel.com Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/intel/avs/core.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/sound/soc/intel/avs/core.c b/sound/soc/intel/avs/core.c index 3a0997c3af2b..cf373969bb69 100644 --- a/sound/soc/intel/avs/core.c +++ b/sound/soc/intel/avs/core.c @@ -445,6 +445,7 @@ static int avs_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) dma_set_mask(dev, DMA_BIT_MASK(32)); dma_set_coherent_mask(dev, DMA_BIT_MASK(32)); } + dma_set_max_seg_size(dev, UINT_MAX);

ret = avs_hdac_bus_init_streams(bus); if (ret < 0) {