From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out5-smtp.messagingengine.com ([66.111.4.29]:41957 "EHLO out5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751736AbcJKKlP (ORCPT ); Tue, 11 Oct 2016 06:41:15 -0400 Date: Tue, 11 Oct 2016 12:31:07 +0200 From: Greg KH To: Jani Nikula Cc: Paulo Zanoni , intel-gfx@lists.freedesktop.org, stable@vger.kernel.org, Dhinakaran Pandiyan Subject: Re: [Intel-gfx] [PATCH 1/2] drm/i915/gen9: unconditionally apply the memory bandwidth WA Message-ID: <20161011103107.GA9793@kroah.com> References: <1476131459-23763-1-git-send-email-paulo.r.zanoni@intel.com> <87wphfqqyx.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87wphfqqyx.fsf@intel.com> Sender: stable-owner@vger.kernel.org List-ID: On Tue, Oct 11, 2016 at 10:34:14AM +0300, Jani Nikula wrote: > On Mon, 10 Oct 2016, Paulo Zanoni wrote: > > Mahesh Kumar is already working on a proper implementation for the > > workaround, but while we still don't have it, let's just > > unconditionally apply the workaround for everybody and we hope we can > > close all those numerous bugzilla tickets. Also, I'm not sure how easy > > it will be to backport the final implementation to the stable Kernels, > > and this patch here is probably easier to backport. > > > > At the present moment I still don't have confirmation that this patch > > fixes any of the bugs listed below, but we should definitely try > > testing all of them again. > > > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94337 > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94605 > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=94884 > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95010 > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96226 > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96828 > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97450 > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=97830 > > Cc: stable@vger.kernel.org > > The patch is a bit on the large side for stable. 100 lines with context > is the rule. Huh? It's only 49 line of changes: > > drivers/gpu/drm/i915/intel_pm.c | 49 ++++++++++++++++++++++++++++++++++------- > > 1 file changed, 41 insertions(+), 8 deletions(-) That's fine for stable, we take i915 stable patches much bigger than that all the time :) thanks, greg k-h