From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH] drm/i915/bdw: Use timeout mode for RC6 on bdw Date: Wed, 02 Jul 2014 14:06:17 +0300 Message-ID: <877g3wf2ae.fsf@intel.com> References: <1397069046-50906-1-git-send-email-Tom.O'Rourke@intel.com> <20140620164230.GA23411@bwidawsk.net> <411E5DC12A51ED4CB1159E14310E532B9D8D0B90@FMSMSX119.amr.corp.intel.com> <411E5DC12A51ED4CB1159E14310E532B9D8D5CA5@FMSMSX119.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 37EA66E555 for ; Wed, 2 Jul 2014 04:06:24 -0700 (PDT) In-Reply-To: <411E5DC12A51ED4CB1159E14310E532B9D8D5CA5@FMSMSX119.amr.corp.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "O'Rourke, Tom" "O'Rourke, Tom" , Ben Widawsky Cc: "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org On Tue, 01 Jul 2014, "O'Rourke, Tom" wrote: >>>From: Ben Widawsky [mailto:ben@bwidawsk.net] >>>Sent: Friday, June 20, 2014 9:43 AM >>>On Wed, Apr 09, 2014 at 11:44:06AM -0700, Tom O'Rourke wrote: >>>> Higher RC6 residency is observed using timeout mode instead of EI >>>> mode. This applies to Broadwell only. >>>> The difference is particularly noticeable with video playback. >>>> >>>> Issue: VIZ-3778 >>>> Change-Id: I62bb12e21caf19651034826b45cde7f73a80938d >>>> Signed-off-by: Tom O'Rourke >>> >>> >>>Now that CHV is out, does it apply there too? >>>Reviewed-by: Ben Widawsky >>> >>>[snip] >>> >>> >>>-- >>>Ben Widawsky, Intel Open Source Technology Center >>[TOR:] For CHV, we expect timeout mode will provide benefit on some pre- >>production steppings and no benefit on the production stepping. > > [TOR:] Can we get this patch merged now that Ben has reviewed? Pushed to dinq, thanks for the patch and review. BR, Jani. -- Jani Nikula, Intel Open Source Technology Center