Subject: RE: [PATCH 1/2] stmmac: introduce flag to dynamically disable TX offload for rockchip devices

From: "Leonidas P. Papadakos" <[email-masked]>
Date: Fri, 05 Apr 2019 20:58:49 +0300

> You can play around different PBL values without using the no-pbl-x8 
> option.
> 
> I would start with PBL=0x1 and then going up. If PBL=0x1 does not 
> work then
> add the no-pbl-x8 option and start with PBL=0x20 and keep decreasing.
> 
> Thanks,
> Jose Miguel Abreu
> 

Okay, so setting snps,txpbl = <0x1>; seems to work. Is that our best 
value or do higher values yield better performance?