From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:48326 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751915AbcGSWIC (ORCPT ); Tue, 19 Jul 2016 18:08:02 -0400 Date: Tue, 19 Jul 2016 15:08:16 -0700 From: "gregkh@linuxfoundation.org" To: Joakim Tjernlund Cc: "w@1wt.eu" , "stable@vger.kernel.org" Subject: Re: i915 drm patches in LTS 4.4.x ? Message-ID: <20160719220816.GB1948@kroah.com> References: <1468851779.3487.4.camel@infinera.com> <20160718205243.GA11105@kroah.com> <1468885335.3487.17.camel@infinera.com> <20160719052618.GA27912@1wt.eu> <1468917755.3487.32.camel@infinera.com> <20160719085925.GA28426@1wt.eu> <1468946661.3487.47.camel@infinera.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1468946661.3487.47.camel@infinera.com> Sender: stable-owner@vger.kernel.org List-ID: On Tue, Jul 19, 2016 at 04:43:06PM +0000, Joakim Tjernlund wrote: > On Tue, 2016-07-19 at 10:59 +0200, Willy Tarreau wrote: > > On Tue, Jul 19, 2016 at 08:41:21AM +0000, Joakim Tjernlund wrote: > > > > > > > > > > > Did you try it or at least the kernel which contains it ? It is important > > > > > > No I haven't. I myself do not have such a laptop so I must find someone that does > > > and willing to test stuff for me(I maintain our Linux DE used for in-house development) > > > All I can say for sure is that 4.1.x works and 4.4.x does not :( > > > > OK that's already a good indication. > > > > (...) > > > > > > Yes I get that but I figured that a upstream commit that is marked: > > > �Cc: # v4.2+ > > > already was approved for stable and it would find its way into all relevant branches. > > > > Indeed it could be one candidate, so if you can afford to wait for a > > next release to see if it fixes your problem that's the easiest way. > > Otherwise you'll have to bisect either between 4.1 and 4.4 to find > > which one broke, or to test mainline to see if it's fixed again. But > > given that it was a regression, it's likely that someone else will > > notice it and propose a fix (possibly the one above). > >� > > Yes, plenty of people have similar has a problem but Intel devs have had hard time > finding the bugs. > > Greg, could push your mail queue so I can compare with upstream? I don't know what you mean by that, I'm not going to push my stable mbox up publicly, sorry :) > Seems like this patch has been lost though: > �[PATCH stable-4.4] drm/i915: Update CDCLK_FREQ register on BDW after changing cdclk frequency Not lost, still in my todo queue, along with 663 other patches I need to review/apply... thanks, greg k-h