From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Wei Fang <wei.fang@nxp.com>, Clark Wang <xiaoning.wang@nxp.com>,
Oleksij Rempel <o.rempel@pengutronix.de>,
Emanuele Ghidoli <ghidoliemanuele@gmail.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"imx@lists.linux.dev" <imx@lists.linux.dev>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Daniel Scally <dan.scally@ideasonboard.com>,
Kieran Bingham <kieran.bingham@ideasonboard.com>,
Stefan Klug <stefan.klug@ideasonboard.com>,
Conor Dooley <conor+dt@kernel.org>,
Fabio Estevam <festevam@gmail.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Rob Herring <robh@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>
Subject: Re: [PATCH] arm64: dts: imx8mp-debix-model-a: Disable EEE for 1000T
Date: Mon, 24 Nov 2025 08:43:45 +0000 [thread overview]
Message-ID: <aSQawUazSYykHeT4@shell.armlinux.org.uk> (raw)
In-Reply-To: <20251124001214.GI15447@pendragon.ideasonboard.com>
On Mon, Nov 24, 2025 at 09:12:14AM +0900, Laurent Pinchart wrote:
> On Sun, Nov 23, 2025 at 05:11:27PM +0000, Russell King (Oracle) wrote:
> > On Mon, Nov 24, 2025 at 12:23:56AM +0900, Laurent Pinchart wrote:
> > > You're right. I've checked replied to the patch with the following
> > > numbers.
> > >
> > > 100TX link, eee-broken-* set: 7000 interrupts
> > > 1000T link, eee-broken-* set: 2711 interrupts
> > > 100TX link, eee-broken-* unset: 9450 interrupts
> > > 1000T link, eee-broken-* unset: 6066 interrupts
> >
> > Sadly, I think this means for iMX8MP, the correct answer is to disable
> > EEE completely. What I was thinking when I brought this up is as follows
> > and dwmac-imx.c can set STMMAC_FLAG_EEE_DISABLE for iMX8MP to prevent
> > the use of EEE.
>
> I suppose there's no way to disable EEE in the RX path while keeping it
> enabled in the TX path ?
Sadly not, sorry.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
prev parent reply other threads:[~2025-11-24 8:43 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-26 12:29 [PATCH] arm64: dts: imx8mp-debix-model-a: Disable EEE for 1000T Laurent Pinchart
2025-10-27 1:31 ` Fabio Estevam
2025-10-27 3:08 ` Andrew Lunn
2025-10-27 7:27 ` Laurent Pinchart
2025-10-27 8:47 ` Emanuele Ghidoli
2025-10-27 9:00 ` Russell King (Oracle)
2025-10-27 9:18 ` Emanuele Ghidoli
2025-10-27 9:32 ` Russell King (Oracle)
2025-10-27 23:08 ` Laurent Pinchart
2025-10-27 11:22 ` Russell King (Oracle)
2025-10-27 23:15 ` Laurent Pinchart
2025-10-27 9:12 ` Oleksij Rempel
2025-10-27 10:02 ` Laurent Pinchart
2025-10-27 10:23 ` Oleksij Rempel
2025-10-27 10:31 ` Laurent Pinchart
2025-10-27 10:34 ` Russell King (Oracle)
2025-10-27 10:44 ` Oleksij Rempel
2025-10-27 10:48 ` Russell King (Oracle)
2025-10-27 12:50 ` Andrew Lunn
2025-10-27 14:50 ` Oleksij Rempel
2025-11-12 12:34 ` Russell King (Oracle)
2025-11-12 12:41 ` Kieran Bingham
2025-11-12 12:56 ` Russell King (Oracle)
2025-11-13 1:17 ` Laurent Pinchart
2025-11-12 21:32 ` Laurent Pinchart
2025-10-27 9:07 ` Russell King (Oracle)
2025-10-27 9:33 ` Laurent Pinchart
2025-10-27 9:45 ` Russell King (Oracle)
2025-10-27 9:55 ` Laurent Pinchart
2025-10-27 13:33 ` Russell King (Oracle)
2025-10-27 15:13 ` Russell King (Oracle)
2025-10-27 19:52 ` Andrew Lunn
2025-10-27 23:46 ` Laurent Pinchart
2025-10-28 0:57 ` Russell King (Oracle)
2025-10-28 7:18 ` Laurent Pinchart
2025-11-11 23:54 ` Laurent Pinchart
2025-11-12 12:03 ` Russell King (Oracle)
2025-11-12 22:25 ` Laurent Pinchart
2025-11-13 1:06 ` Laurent Pinchart
2025-11-13 10:59 ` Russell King (Oracle)
2025-11-14 22:26 ` Laurent Pinchart
2025-11-18 1:50 ` Wei Fang
2025-11-22 7:22 ` Laurent Pinchart
2025-11-22 9:57 ` Russell King (Oracle)
2025-11-23 5:38 ` Laurent Pinchart
2025-11-23 8:52 ` Russell King (Oracle)
2025-11-23 15:23 ` Laurent Pinchart
2025-11-23 17:11 ` Russell King (Oracle)
2025-11-24 0:12 ` Laurent Pinchart
2025-11-24 5:44 ` Oleksij Rempel
2025-11-24 8:43 ` Russell King (Oracle) [this message]
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