[PATCH] dmaengine: omap-dma: Enable burst and data pack for SG
Vinod Koul
vinod.koul at intel.com
Fri Sep 30 23:05:45 PDT 2016
On Fri, Sep 16, 2016 at 01:53:15PM +0300, Peter Ujfalusi wrote:
> From: Misael Lopez Cruz <misael.lopez at ti.com>
>
> Enable the burst and data pack modes for the scatter-gather
> in order to improve the throughput of the data transfers.
>
> The improvement has been verified with MMC HS200 mode in
> the DRA72 EVM using the iozone tool to compare the read
> throughput (in kB/s) with and without burst/pack for
> different reclens (in kB).
>
> With
> reclen Baseline sDMA burst/pack
> ------ -------- ---------------
> 64 46568 50820
> 128 57564 63413
> 256 65634 74937
> 512 72427 83483
> 1024 74563 84504
> 2048 76265 86079
> 4096 78045 87335
> 8192 78989 88154
> 16384 81265 91034
Applied, thanks
--
~Vinod
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