From: Heiko Stuebner <heiko@sntech.de>
To: linux-rockchip@lists.infradead.org
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
christoph.muellner@theobroma-systems.com,
kever.yang@rock-chips.com, cl@rock-chips.com
Subject: Re: [PATCH] arm64: dts: rockchip: remove 408MHz operating point from px30
Date: Mon, 18 Nov 2019 01:58:36 +0100 [thread overview]
Message-ID: <4318673.vLX1ueDYfg@phil> (raw)
In-Reply-To: <20191116095220.31122-1-heiko@sntech.de>
Am Samstag, 16. November 2019, 10:52:20 CET schrieb Heiko Stuebner:
> From: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
>
> It looks like the px30 is running unstable at this 408MHz operating point.
> This shows in stalled threads and other big numbers of kernel exception.
>
> At 600MHz and above it instead works stable and as expected. As the 408MHz
> point doesn't even decrease the voltage compared to 600MHz, just drop this
> 408MHz operating point for now.
>
> Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
applied
WARNING: multiple messages have this Message-ID (diff)
From: Heiko Stuebner <heiko@sntech.de>
To: linux-rockchip@lists.infradead.org
Cc: kever.yang@rock-chips.com, cl@rock-chips.com,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
christoph.muellner@theobroma-systems.com
Subject: Re: [PATCH] arm64: dts: rockchip: remove 408MHz operating point from px30
Date: Mon, 18 Nov 2019 01:58:36 +0100 [thread overview]
Message-ID: <4318673.vLX1ueDYfg@phil> (raw)
In-Reply-To: <20191116095220.31122-1-heiko@sntech.de>
Am Samstag, 16. November 2019, 10:52:20 CET schrieb Heiko Stuebner:
> From: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
>
> It looks like the px30 is running unstable at this 408MHz operating point.
> This shows in stalled threads and other big numbers of kernel exception.
>
> At 600MHz and above it instead works stable and as expected. As the 408MHz
> point doesn't even decrease the voltage compared to 600MHz, just drop this
> 408MHz operating point for now.
>
> Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
applied
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next prev parent reply other threads:[~2019-11-18 0:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-16 9:52 [PATCH] arm64: dts: rockchip: remove 408MHz operating point from px30 Heiko Stuebner
2019-11-16 9:52 ` Heiko Stuebner
2019-11-18 0:58 ` Heiko Stuebner [this message]
2019-11-18 0:58 ` Heiko Stuebner
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