From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] Revert "drm/i915: Don't overclock on Haswell" Date: Wed, 24 Apr 2013 11:02:24 +0200 Message-ID: <20130424090224.GM6169@phenom.ffwll.local> References: <1366763582-7038-1-git-send-email-ben@bwidawsk.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ee0-f54.google.com (mail-ee0-f54.google.com [74.125.83.54]) by gabe.freedesktop.org (Postfix) with ESMTP id C495FE60E0 for ; Wed, 24 Apr 2013 01:59:22 -0700 (PDT) Received: by mail-ee0-f54.google.com with SMTP id e51so640377eek.13 for ; Wed, 24 Apr 2013 01:59:21 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1366763582-7038-1-git-send-email-ben@bwidawsk.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Ben Widawsky Cc: intel-gfx@lists.freedesktop.org, kim.l.saw-chu@intel.com List-Id: intel-gfx@lists.freedesktop.org On Tue, Apr 23, 2013 at 05:33:02PM -0700, Ben Widawsky wrote: > This reverts commit fec46b5eff854df5647a9f4724e45dd33933855a. > > The latest version of our PM programming doc (which is WAY better than > previous versions, and thanks for that) says something along the lines > of, "On Haswell overclocking is no long achieved via mailbox registers." > Which I misinterpreted as, the driver must done something different than > it did on IVB, and SNB. > > It appears I jumped the gun, and that's all false. We've gotten some > clarification, and it appears at least *reading* the overclocking > information works in exactly the same manner. > > Cc: kim.l.saw-chu@intel.com > Signed-off-by: Ben Widawsky Picked up for -fixes, thanks for the patch. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch