From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967632AbcHBPqV (ORCPT ); Tue, 2 Aug 2016 11:46:21 -0400 Received: from mga14.intel.com ([192.55.52.115]:49057 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934718AbcHBMW1 convert rfc822-to-8bit (ORCPT ); Tue, 2 Aug 2016 08:22:27 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,460,1464678000"; d="scan'208";a="1033592825" From: Jani Nikula To: Linus Torvalds , Ville =?utf-8?B?U3ly?= =?utf-8?B?asOkbMOk?= Cc: Daniel Vetter , DRI mailing list , Linux Kernel Mailing List Subject: Re: [git pull] drm for v4.8 In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20160802081042.GP4329@intel.com> User-Agent: Notmuch/0.22+12~gbdd9442 (http://notmuchmail.org) Emacs/24.4.1 (x86_64-pc-linux-gnu) Date: Tue, 02 Aug 2016 15:22:01 +0300 Message-ID: <87invjs6mu.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 02 Aug 2016, Linus Torvalds wrote: > On Tue, Aug 2, 2016 at 4:10 AM, Ville Syrjälä > wrote: >> >> I have a couple of pending PSR patches you may want to try as well, >> if i915.enable_psr=0 helps. > > Yes. i915.enable_psr=0 seems to make the bad flickering go away. > > I'll try your git trees out later, but what exactly changed with > regards to psr lately? It's set as a "dangerous" option, and even just > clearing it caused > > Setting dangerous option enable_psr - tainting kernel > > which seems entirely bogus. The warning comes from kernel/params.c for module_param_named_unsafe() which has no way of knowing which values are safe, and complains if the option is set at all. BR, Jani. -- Jani Nikula, Intel Open Source Technology Center