From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugeni Dodonov Subject: Re: [PATCH] drm/i915: fix up ivb plane 3 pageflips Date: Tue, 05 Jun 2012 15:59:15 -0300 Message-ID: <4FCE5703.4030405@linux.intel.com> References: <1337772653_201033@CP5-2952> <1337774520-26572-1-git-send-email-daniel.vetter@ffwll.ch> <20120605085658.GA4704@phenom.ffwll.local> <4FCE5580.5090106@linux.intel.com> Reply-To: eugeni.dodonov@intel.com Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 99C459EEA9 for ; Tue, 5 Jun 2012 11:57:59 -0700 (PDT) In-Reply-To: <4FCE5580.5090106@linux.intel.com> 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: eugeni.dodonov@intel.com Cc: Daniel Vetter , Intel Graphics Development , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org On 06/05/2012 03:52 PM, Eugeni Dodonov wrote: > On 06/05/2012 05:56 AM, Daniel Vetter wrote: >> On Wed, May 23, 2012 at 02:02:00PM +0200, Daniel Vetter wrote: >>> Or at least plug another gapping hole. Apparrently hw desingers only >>> moved the bit field, but did not bother ot re-enumerate the planes >>> when adding support for a 3rd pipe. >>> >>> Discovered by i-g-t/flip_test. >>> >>> This may or may not fix the reference bugzilla, because that one >>> smells like we have still larger fish to fry. >>> >>> v2: Fixup the impossible case to catch programming errors, noticed by >>> Chris Wilson. >>> >>> References: https://bugs.freedesktop.org/show_bug.cgi?id=50069 >>> Signed-Off-by: Daniel Vetter >> >> Ping for review and maybe a tested-by. This fixes >> i-g-t/tests/flip_test on >> my ivb, but for some strange reasons QA can't confirm that. Still, I'd >> like to push this patch to -fixes. Eugeni, Ben? > > Although I don't get exact symptoms (I don't get any BUG in dmesg), > without this patch the flip_test hangs when running on 3rd pipe, and > with this patch it proceeds and finishes correctly. > > So this patch fixes this test case, and as far I can see it is correct. > > Tested-by: Eugeni Dodonov ..and also Reviewed-by: Eugeni Dodonov