From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Gupta, Ramesh" Subject: RE: [PATCH 0/3] DSPBRIDGE DVFS and Off mode support for bridgedriver Date: Thu, 12 Feb 2009 14:58:32 +0530 Message-ID: References: <5A47E75E594F054BAF48C5E4FC4B92AB02F5550D89@dbde02.ent.ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT Return-path: Received: from comal.ext.ti.com ([198.47.26.152]:58198 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753535AbZBLJ3J convert rfc822-to-8bit (ORCPT ); Thu, 12 Feb 2009 04:29:09 -0500 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id n1C9T2sA006272 for ; Thu, 12 Feb 2009 03:29:08 -0600 Received: from dbde71.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id n1C9T1bk004850 for ; Thu, 12 Feb 2009 14:59:01 +0530 (IST) In-Reply-To: <5A47E75E594F054BAF48C5E4FC4B92AB02F5550D89@dbde02.ent.ti.com> Content-Language: en-US Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: "Nayak, Rajendra" , "linux-omap@vger.kernel.org" Hi Rajendra, > -----Original Message----- > From: Nayak, Rajendra > Sent: Thursday, February 12, 2009 10:13 AM > To: Gupta, Ramesh; linux-omap@vger.kernel.org > Subject: RE: [PATCH 0/3] DSPBRIDGE DVFS and Off mode support > for bridgedriver > > > > -----Original Message----- > > From: linux-omap-owner@vger.kernel.org > > [mailto:linux-omap-owner@vger.kernel.org] On Behalf Of Gupta, Ramesh > > Sent: Thursday, February 12, 2009 6:41 AM > > To: linux-omap@vger.kernel.org > > Subject: [PATCH 0/3] DSPBRIDGE DVFS and Off mode support for > > bridgedriver > > > > All, > > > > The patch set provides DVFS and offmode support for bridgedriver. > > These patches to be applied on top of the pm branch. Currently Some > > times we have observed issues like MMU fault and DSP Reset > on setting > > VDD1 to OPP1. > > > > Looks like the drop in voltage to DSP core causing the issue. > > With a slight increase in VDD1 voltage level for OPP1 [patch 3/3] > > solving the issue, We are investigating further into this. > > Ramesh, > > The latest operating condition addendum for 3430 specifies > VDD1 OPP1 voltage to be .975 and OPP2 to be 1.05. Same for > VDD2. Rest OPP's remain the same. I will send a patch on PM > branch to update this and that sould solve your problem. Thanks for looking into this, yeah this should resolve my issue with OPP1, I will wait for your patches. Regards Ramesh Gupta G