From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [Intel-gfx] drm/i915: WARN_ON_ONCE(!crtc_clock || cdclk < crtc_clock) Date: Wed, 12 Oct 2016 17:34:53 +0300 Message-ID: <874m4hd4aa.fsf@intel.com> References: <1476266167.7439.8.camel@tiscali.nl> <1476270522.2817.12.camel@linux.intel.com> <1476273998.9670.4.camel@tiscali.nl> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1476273998.9670.4.camel@tiscali.nl> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Paul Bolle , Joonas Lahtinen , Daniel Vetter , David Airlie Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCAxMiBPY3QgMjAxNiwgUGF1bCBCb2xsZSA8cGVib2xsZUB0aXNjYWxpLm5sPiB3cm90 ZToKPiBPbiBXZWQsIDIwMTYtMTAtMTIgYXQgMTQ6MDggKzAzMDAsIEpvb25hcyBMYWh0aW5lbiB3 cm90ZToKPj4gQmlzZWN0aW5nIHRoZSBvZmZlbmRpbmcgY29tbWl0IGJldHdlZW4gdjQuOCBhbmQg djQuOC4xIHdvdWxkIGJlIGEgZ29vZAo+PiBzdGFydC4KPgo+IFRoYXQgd291bGQgYmUgYmV0d2Vl biB2NC43IGFuZCB2NC44LiAoSSBndWVzcyBteSByZXBvcnQgd2FzIGFtYmlndW91cy4pCj4KPiBU aGF0IG1pZ2h0IHRha2Ugc29tZSB0aW1lLiBCZWNhdXNlIGJpc2VjdGluZyBhbHdheXMgdGFrZXMg YSBsb25nIHRpbWUKPiBhbmQgZXNwZWNpYWxseSBzaW5jZSBoaXR0aW5nIHRoaXMgV0FSTklORyBz b21ldGltZXMgdGFrZXMgb3ZlciBhbiBob3VyLgo+IEFueWhvdywgcGxlYXNlIHByb2QgbWUgaWYg SSBzdGF5IHNpbGVudCBmb3IgdG9vIGxvbmcuCgpJbiB0aGUgbWVhbiB0aW1lLCBwbGVhc2UgZmls ZSBhIGJ1ZyBvdmVyIGF0IFsxXSBzbyB3ZSBkb24ndCBsb3NlIHRyYWNrLgoKQlIsCkphbmkuCgpb MV0gaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9lbnRlcl9idWcuY2dpP3Byb2R1Y3Q9RFJJ JmNvbXBvbmVudD1EUk0vSW50ZWwKCi0tIApKYW5pIE5pa3VsYSwgSW50ZWwgT3BlbiBTb3VyY2Ug VGVjaG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0 b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJp LWRldmVsCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932988AbcJLOfJ (ORCPT ); Wed, 12 Oct 2016 10:35:09 -0400 Received: from mga03.intel.com ([134.134.136.65]:39068 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933595AbcJLOfA (ORCPT ); Wed, 12 Oct 2016 10:35:00 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,482,1473145200"; d="scan'208";a="771779201" From: Jani Nikula To: Paul Bolle , Joonas Lahtinen , Daniel Vetter , David Airlie Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: Re: [Intel-gfx] drm/i915: WARN_ON_ONCE(!crtc_clock || cdclk < crtc_clock) In-Reply-To: <1476273998.9670.4.camel@tiscali.nl> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <1476266167.7439.8.camel@tiscali.nl> <1476270522.2817.12.camel@linux.intel.com> <1476273998.9670.4.camel@tiscali.nl> Date: Wed, 12 Oct 2016 17:34:53 +0300 Message-ID: <874m4hd4aa.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 12 Oct 2016, Paul Bolle wrote: > On Wed, 2016-10-12 at 14:08 +0300, Joonas Lahtinen wrote: >> Bisecting the offending commit between v4.8 and v4.8.1 would be a good >> start. > > That would be between v4.7 and v4.8. (I guess my report was ambiguous.) > > That might take some time. Because bisecting always takes a long time > and especially since hitting this WARNING sometimes takes over an hour. > Anyhow, please prod me if I stay silent for too long. In the mean time, please file a bug over at [1] so we don't lose track. BR, Jani. [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel -- Jani Nikula, Intel Open Source Technology Center