[linux-dvb] System load raises when budget_av is loaded

e9hack e9hack at googlemail.com
Sun Aug 19 23:03:28 CEST 2007


Oliver Endriss schrieb:
> For full-featured cards it may take some time until the debi transfer
> has completed, because those cards use debi dma.

The max buffer size is 2k and the transfer rate is >12MB/s. The time for a transfer is lower than
165usec.

> 
> I wonder
> - why the error bit gets set at all, and.
> - whether the debi status bits are updated before the transfer has
>   been completed/stopped.

Depend on the spec, DEBI_E is set on a timeout or a debi error. DEBI_E is reset on the next upload.
I don't know, what is going on.

- Hartmut




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