From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gupta, Ramesh" Subject: RE: [PATCH 3/3] Boosting OPP1 voltage level Date: Tue, 10 Mar 2009 09:17:53 +0530 Message-ID: References: <87sklmwlyi.fsf@deeprootsystems.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Return-path: Received: from bear.ext.ti.com ([192.94.94.41]:53653 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752247AbZCJDsl convert rfc822-to-8bit (ORCPT ); Mon, 9 Mar 2009 23:48:41 -0400 In-Reply-To: <87sklmwlyi.fsf@deeprootsystems.com> Content-Language: en-US Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Kevin Hilman Cc: "linux-omap@vger.kernel.org" , "Kanigeri, Hari" Hi Kevin, > -----Original Message----- > From: Kevin Hilman [mailto:khilman@deeprootsystems.com] > Sent: Tuesday, March 10, 2009 12:41 AM > To: Gupta, Ramesh > Cc: linux-omap@vger.kernel.org > Subject: Re: [PATCH 3/3] Boosting OPP1 voltage level > > "Gupta, Ramesh" writes: > > > From a0b8d146249e05465ff30cfd72592418c7a5da8d Mon Sep 17 > 00:00:00 2001 > > From: Ramesh Gupta G > > Date: Thu, 12 Feb 2009 03:03:18 +0530 > > Subject: [PATCH 3/3] Boosting OPP1 voltage level > > > > some issues are observed like DSP sending SYS_ERROR MMU Fault if > > operated in OPP1, Looks like drop in voltage making DSP to > crash, this > > patch boosts voltage level slightly for stable DSP. > > > > Ramesh, > > Have you retested DSPBRIDGE with the current PM branch HEAD? > Rajendra submitted some patches that update VDD1 that are now > included. I'm guessing that will fix the problems you've > been seeing as well. I had tested with Rajendra patches with latest VDD1 voltage levels that resolved the issues I was seeing, I sent an updated patch set for DSP bridge DVFS and OFF mode support. [PATCH 0/1] DSPBRIDGE DVFS and offmode support updated Ref: http://www.mail-archive.com/linux-omap@vger.kernel.org/msg09655.html This patch "[PATCH 3/3] Boosting OPP1 voltage level" is not required any more. Please let me know your comments. Regards Ramesh Gupta G