From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH 0/2] drm/i915: 830M regression fixes Date: Tue, 7 Jan 2014 21:09:10 +0200 Message-ID: <20140107190910.GE4800@intel.com> References: <23446_1389104159_52CC0C1F_23446_3565_1_1389104137-6627-1-git-send-email-ville.syrjala@linux.intel.com> <52CC1946.7040703@math.tu-berlin.de> <20140107165910.GG8991@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id F4005FAFAE for ; Tue, 7 Jan 2014 11:09:13 -0800 (PST) Content-Disposition: inline In-Reply-To: <20140107165910.GG8991@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org To: Chris Wilson , Thomas Richter , Daniel Vetter , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Tue, Jan 07, 2014 at 04:59:10PM +0000, Chris Wilson wrote: > On Tue, Jan 07, 2014 at 04:12:06PM +0100, Thomas Richter wrote: > > On 01/07/2014 03:15 PM, ville.syrjala@linux.intel.com wrote: > > >From: Ville Syrj=E4l=E4 > > > > > >Looks like I managed to break 830M in a few different ways recently. B= ut I > > >recently found one for myself so hopefully that'll not happen again. > > > > > >I have a few other things lined up for 830M, but these are the quick f= ixes > > >that should get us back to the state we had before. > > = > > Thanks, Ville! > > = > > As a related note, I found that with the latest kernel, "uxa" > > drawing of filled rectangles became very slow (and sna is still too > > broken to be useful, sorry). Would you know which file I should look > > into to check for something like this? The client application only > > submits plain X11 calls, the render acceleration or composition > > should (?) not play a role here. It's really a plain simple filled > > rectangle (or many of them) that became notably slow. > = > Wtf? What's up with SNA? There's a solitary report that cache coherency > on 830GM requires some workaround, on which I'd hoped that Daniel could > run igt to confirm (and now perhaps Ville might fancy the challenge). > Other than that, judging by my 845g, it should be solid. FWIW I haven't seen any issues w/ SNA on either 830 or 855, but I must admit that I've not done any extensive testing on either. -- = Ville Syrj=E4l=E4 Intel OTC