Question about PXA27X processor system bus arbiter

hi guys

Is it ok if i change the priorities of DMA and LCD (by setting the
ARB_CNTRL) while OS is running ?

I got this idea while going through this post
http://www.eggheadcafe.com/software/aspnet/31980633/pxa270-ce-50-dma-perfo.aspx

regards,
Vaisakh P S
Accord Software System Pvt. ltd.
.

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