[Skiboot] [PATCH] hw/phb3: Increase AIB TX command credit for DMA read in CAPP DMA mode

Andrew Donnellan andrew.donnellan at au1.ibm.com
Mon Jul 25 11:48:25 AEST 2016

On 07/07/16 17:22, Andrew Donnellan wrote:
> When enabling CAPI in DMA mode, set the AIB TX command credits for channel
> 2 (DMA read) to 28, rather than 1. This significantly improves DMA read
> performance in CAPI DMA mode.
> Fixes: 5477148a439f ("phb3: Add support for CAPP DMA mode")
> Reported-by: John Walthour <jwalthour at us.ibm.com>
> Reported-by: Ricardo Mata <ricmata at us.ibm.com>
> Reported-by: Michael Perez <perezma at us.ibm.com>
> Cc: Ian Munsie <imunsie at au1.ibm.com>
> Signed-off-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>

Looks like this missed 5.3.0-rc1... Stewart can this be considered for 
the 5.3.0 release?


Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan at au1.ibm.com  IBM Australia Limited

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