Messages in this thread | | | Date | Thu, 2 Aug 2018 10:56:17 +0100 | From | Mark Brown <> | Subject | Re: [PATCH 1/3] ASoC: AMD: Make ACP->SYSMEM DMA non circular |
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On Thu, Aug 02, 2018 at 12:11:54PM +0530, Akshu Agrawal wrote: > In capture case we don't want ACP to SYSMEM dma > to be circular. This is because if an in place DSP > filter is applied to captured output then circular DMA > can overwrite the filter value with stale data.
Isn't that just a problem with userspace not giving itself enough buffer to get the in place processing done before we loop round again. This will simply change the type of error, it won't actually fix anything AFAICT but perhaps I'm missing something. [unhandled content-type:application/pgp-signature] | |