From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ms005msg.fastwebnet.it (ms005msg.fastwebnet.it [213.140.2.50]) by ozlabs.org (Postfix) with ESMTP id 73DA867A7E for ; Fri, 25 Mar 2005 02:30:57 +1100 (EST) From: Daniele Lacamera To: Benjamin Herrenschmidt Date: Thu, 24 Mar 2005 16:25:41 +0100 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Message-Id: <200503241625.42143.root@danielinux.net> Cc: linuxppc-dev list , "debian-powerpc@lists.debian.org" Subject: Re: Newer laptops & CPU speed Reply-To: root@danielinux.net List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > Hi ! > > It seems the new laptops are booting with CPU set to low > speed. /proc/cpuinfo outputs the wrong fequency (thinks it's high speed) > but bogomips shows that it's running at about half speed. This patch > against 2.6.11 (will not apply on 2.6.10) adds proper cpufreq support so > that the boot speed is recognized (fixing /proc/cpuinfo output) and so > you can acutally use cpufreq interface & utilities to switch to full > speed (I recommend powernowd). > This is completely untested as I don't have access to any of those new > models yet, so I'm waiting for some feedback before submitting upstream. > Ben. [patch follows] Ben, your patch seems to be working very well on my new 1.5GHz 12" pbook. Bogomips more than doubled in /proc/cpuinfo, from about 700 to 1495.04. Thanks. -- Daniele Lacamera root{at}danielinux.net