From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johan Vromans Subject: Re: Centrino speedstep Date: Wed, 29 Dec 2004 21:05:16 +0100 Message-ID: References: <20041228212653.GA8436@dominikbrodowski.de> <20041229181834.GA19199@poupinou.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: <20041229181834.GA19199-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org> (Bruno Ducrot's message of "Wed, 29 Dec 2004 19:18:34 +0100") Sender: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-acpi@vger.kernel.org Bruno Ducrot writes: > After looking the DSDT, this laptop do not support the _PDC switch, so > the cpufreq-centrino driver will not work. But it should work with the > acpi io driver though. This seems to be the case. > Interresting portion: > [...] > > This also mean there is no way to get the ondemand governor (or any > DVS requiring low latency driver) to work with this one What exactly does that mean? > (unless hardcoding a table in the cpufreq-centrino). Would that be difficult to accomplish? > There is no _CST also, this means there is no C4 support :( Nope. I'll have to do with C3... BTW: To be able to compile my DSDT I needed some fixes, mostly trivial, except one: the final return value of Method(_STA) from Device(BAY1), around line 3222. Do you have any idea? Thanks for helping, Johan ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/