linux-kernel - Re: [PATCH] arm64: dts: imx8mp: configure GPU and NPU clocks in nominal DTSI

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Message-ID: <aAb8kaw+hmEMnbi0@dragon>
Date: Tue, 22 Apr 2025 10:18:57 +0800
From: Shawn Guo <shawnguo2@...h.net>
To: Ahmad Fatoum <a.fatoum@...gutronix.de>
Cc: Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
	Lucas Stach <l.stach@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Fabio Estevam <festevam@...il.com>, Peng Fan <peng.fan@....com>,
	devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8mp: configure GPU and NPU clocks in
 nominal DTSI

On Tue, Mar 11, 2025 at 08:41:12PM +0100, Ahmad Fatoum wrote:
> Commit 255fbd9eabe7 ("arm64: dts: imx8mp: Add optional nominal drive
> mode DTSI") added imx8mp-nominal.dtsi, which overrides all overdrive
> clock rates in imx8mp.dtsi to the nominal rates.
> 
> At the same time, commit 9f7595b3e5ae ("arm64: dts: imx8mp: configure
> GPU and NPU clocks to overdrive rate") went in, which changed some
> clock rates away from the nominal values.
> 
> Resolve the discrepancy by effectively reverting the changes in the
> latter commit inside imx8mp-nominal.dtsi. This is required for proper
> operation of the imx8mp-skov boards, which are currently
> imx8mp-nominal.dtsi's only users and lets all other boards that don't
> include it benefit from the new higher frequencies.
> 
> Signed-off-by: Ahmad Fatoum <a.fatoum@...gutronix.de>

Applied, thanks!