netdev - RE: r8168 is needed to enter P-state: Package State6(pc6)onHaswellhardware

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Message-ID: <0835B3720019904CB8F7AA43166CEEB2526D20@RTITMBSV03.realtek.com.tw>
Date:	Wed, 8 Oct 2014 02:35:23 +0000
From:	Hayes Wang <hayeswang@...ltek.com>
To:	Francois Romieu <romieu@...zoreil.com>
CC:	Ceriel Jacobs <linux-ide@...shplan.pro>,
	nic_swsd <nic_swsd@...ltek.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: r8168 is needed to enter P-state: Package State6(pc6)onHaswellhardware

 Francois Romieu [mailto:romieu@...zoreil.com] 
> Sent: Wednesday, October 08, 2014 4:17 AM
[...]
> > When enabling the ASPM, it would influence the thrpughput. 
> > It is hard to
> > choose performance or power saving. Therefore, we reserve the config
> > to let the user determines it.
> 
> Mmmm...
> 
> How do Realtek's devices behave if Config{2, 3} + MISC registers are
> configured for ASPM whereas PCI config space registers aren't ?

The feature of the ASPM for the nic would be disabled.
ASPM is enabled when both the internal settings and
the PCI config space registers are enabled.
 
Best Regards,
Hayes
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