On 14-11-20, 11:55, Sugar Zhang wrote:
> Actually, burst size is equal to '1 << desc->rqcfg.brst_size'.
> we should use burst size, not desc->rqcfg.brst_size.
>
> dma memcpy performance on Rockchip RV1126
> @ 1512MHz A7, 1056MHz LPDDR3, 200MHz DMA:
>
> dmatest:
>
> /# echo dma0chan0 >
Actually, burst size is equal to '1 << desc->rqcfg.brst_size'.
we should use burst size, not desc->rqcfg.brst_size.
dma memcpy performance on Rockchip RV1126
@ 1512MHz A7, 1056MHz LPDDR3, 200MHz DMA:
dmatest:
/# echo dma0chan0 > /sys/module/dmatest/parameters/channel
/# echo 4194304 >
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