From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?windows-1252?Q?Christian_K=F6nig?= Subject: Re: [PATCH 00/22] new radeon info queries Date: Thu, 02 Oct 2014 14:41:06 +0200 Message-ID: <542D47E2.2010304@vodafone.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with ESMTP id D75016E61A for ; Thu, 2 Oct 2014 05:41:45 -0700 (PDT) Received: from localhost (localhost.localdomain [127.0.0.1]) by pegasos-out.vodafone.de (Rohrpostix1 Daemon) with ESMTP id 50EC8260495 for ; Thu, 2 Oct 2014 14:41:45 +0200 (CEST) Received: from pegasos-out.vodafone.de ([127.0.0.1]) by localhost (rohrpostix1.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id McJePui9qtPV for ; Thu, 2 Oct 2014 14:41:19 +0200 (CEST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Alex Deucher , Alexandre Demers Cc: dri-devel List-Id: dri-devel@lists.freedesktop.org Am 02.10.2014 um 06:50 schrieb Alex Deucher: > On Wed, Oct 1, 2014 at 12:30 PM, Alexandre Demers > wrote: >> May I suggest something more to add if available? It would be great to >> have the core and memory voltages. As an example of a specific >> application where it would have been usefull: it would have been >> easier to debug the problem with Cayman when vddci was not correctly >> set (it would have been higher or lower than expected or the value >> would have been nonsense). > It wouldn't have helped for that problem since there's no way to query > the actual vddc or vddci or even the clocks. All you can query is > which performance level is active, the driver has to determine the > clocks and voltages based on that. It's basically the same info that > is already exposed via debugfs. I hoped we could expose the PLL test registers as well, this way somebody could actually measure at least the clocks instead of just calculating them from the PM profile in use. Christian. > > Alex > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/dri-devel