From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Stuebner Subject: Re: [PATCH] arm64: dts: rockchip: remove 408MHz operating point from px30 Date: Mon, 18 Nov 2019 01:58:36 +0100 Message-ID: <4318673.vLX1ueDYfg@phil> References: <20191116095220.31122-1-heiko@sntech.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <20191116095220.31122-1-heiko@sntech.de> Sender: linux-kernel-owner@vger.kernel.org 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 List-Id: linux-rockchip.vger.kernel.org Am Samstag, 16. November 2019, 10:52:20 CET schrieb Heiko Stuebner: > From: Heiko Stuebner > > 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 applied