From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933476AbcHBDWk (ORCPT ); Mon, 1 Aug 2016 23:22:40 -0400 Received: from mail-oi0-f49.google.com ([209.85.218.49]:36361 "EHLO mail-oi0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933279AbcHBDWb (ORCPT ); Mon, 1 Aug 2016 23:22:31 -0400 MIME-Version: 1.0 In-Reply-To: References: From: Linus Torvalds Date: Mon, 1 Aug 2016 22:26:10 -0400 X-Google-Sender-Auth: mj4MRM-f7EqlQO22qCX3uBPcU3s Message-ID: Subject: Re: [git pull] drm for v4.8 To: Dave Airlie , Daniel Vetter , Jani Nikula Cc: DRI mailing list , Linux Kernel Mailing List Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 1, 2016 at 9:32 PM, Dave Airlie wrote: > > This is the main drm pull request for 4.8, I'm down with a cold at the moment > so hopefully this isn't in too bad a state, I finished pulling stuff last > week mostly (nouveau fixes just went in today), so only this message should > be influenced by illness. Apologies to anyone who's major feature I missed :-) > > i915: > BXT support enabled by default > GVT-g infrastructure > GuC command submission and fixes > BXT workarounds > SKL/BKL workarounds > Demidlayering device registration > Thundering herd fixes > Missing pci ids > Atomic updates Hmm. I did the merge and pushed it out, but testing it on my laptop shows some very annoying flickering problem. The screen goes dark for a very short while (one frame? Who knows? Seems longer occasionally). I have no idea what triggers it, but it happens quite a lot when it happens. Like once every second or two. And it seems to happen most of the time, although right now it happens to be behaving nicely, so sometimes it goes for a while without the flickering. Things *work*, but the flickering is nasty enough to make the end result painful to use. The only thing I see in dmesg that looks bad is [drm:intel_set_cpu_fifo_underrun_reporting [i915]] *ERROR* uncleared fifo underrun on pipe A [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun but I've seen that before, and it happens a couple of times during boot. Not once per second. This is my old Vaio 11 Pro, now running Fedora 24 (up-to-date as of today). So it's bog-standard intel graphics (i5-4200U - Haswell ULT). Suggestions to try? Linus From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Torvalds Subject: Re: [git pull] drm for v4.8 Date: Mon, 1 Aug 2016 22:26:10 -0400 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-oi0-x244.google.com (mail-oi0-x244.google.com [IPv6:2607:f8b0:4003:c06::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id 476B46E137 for ; Tue, 2 Aug 2016 02:26:13 +0000 (UTC) Received: by mail-oi0-x244.google.com with SMTP id l9so15389066oih.0 for ; Mon, 01 Aug 2016 19:26:13 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Dave Airlie , Daniel Vetter , Jani Nikula Cc: Linux Kernel Mailing List , DRI mailing list List-Id: dri-devel@lists.freedesktop.org T24gTW9uLCBBdWcgMSwgMjAxNiBhdCA5OjMyIFBNLCBEYXZlIEFpcmxpZSA8YWlybGllZEBsaW51 eC5pZT4gd3JvdGU6Cj4KPiBUaGlzIGlzIHRoZSBtYWluIGRybSBwdWxsIHJlcXVlc3QgZm9yIDQu OCwgSSdtIGRvd24gd2l0aCBhIGNvbGQgYXQgdGhlIG1vbWVudAo+IHNvIGhvcGVmdWxseSB0aGlz IGlzbid0IGluIHRvbyBiYWQgYSBzdGF0ZSwgSSBmaW5pc2hlZCBwdWxsaW5nIHN0dWZmIGxhc3QK PiB3ZWVrIG1vc3RseSAobm91dmVhdSBmaXhlcyBqdXN0IHdlbnQgaW4gdG9kYXkpLCBzbyBvbmx5 IHRoaXMgbWVzc2FnZSBzaG91bGQKPiBiZSBpbmZsdWVuY2VkIGJ5IGlsbG5lc3MuIEFwb2xvZ2ll cyB0byBhbnlvbmUgd2hvJ3MgbWFqb3IgZmVhdHVyZSBJIG1pc3NlZCA6LSkKPgo+IGk5MTU6Cj4g ICAgICAgICBCWFQgc3VwcG9ydCBlbmFibGVkIGJ5IGRlZmF1bHQKPiAgICAgICAgIEdWVC1nIGlu ZnJhc3RydWN0dXJlCj4gICAgICAgICBHdUMgY29tbWFuZCBzdWJtaXNzaW9uIGFuZCBmaXhlcwo+ ICAgICAgICAgQlhUIHdvcmthcm91bmRzCj4gICAgICAgICBTS0wvQktMIHdvcmthcm91bmRzCj4g ICAgICAgICBEZW1pZGxheWVyaW5nIGRldmljZSByZWdpc3RyYXRpb24KPiAgICAgICAgIFRodW5k ZXJpbmcgaGVyZCBmaXhlcwo+ICAgICAgICAgTWlzc2luZyBwY2kgaWRzCj4gICAgICAgICBBdG9t aWMgdXBkYXRlcwoKSG1tLiBJIGRpZCB0aGUgbWVyZ2UgYW5kIHB1c2hlZCBpdCBvdXQsIGJ1dCB0 ZXN0aW5nIGl0IG9uIG15IGxhcHRvcApzaG93cyBzb21lIHZlcnkgYW5ub3lpbmcgZmxpY2tlcmlu ZyBwcm9ibGVtLgoKVGhlIHNjcmVlbiBnb2VzIGRhcmsgZm9yIGEgdmVyeSBzaG9ydCB3aGlsZSAo b25lIGZyYW1lPyBXaG8ga25vd3M/ClNlZW1zIGxvbmdlciBvY2Nhc2lvbmFsbHkpLiBJIGhhdmUg bm8gaWRlYSB3aGF0IHRyaWdnZXJzIGl0LCBidXQgaXQKaGFwcGVucyBxdWl0ZSBhIGxvdCB3aGVu IGl0IGhhcHBlbnMuIExpa2Ugb25jZSBldmVyeSBzZWNvbmQgb3IgdHdvLgpBbmQgaXQgc2VlbXMg dG8gaGFwcGVuIG1vc3Qgb2YgdGhlIHRpbWUsIGFsdGhvdWdoIHJpZ2h0IG5vdyBpdCBoYXBwZW5z CnRvIGJlIGJlaGF2aW5nIG5pY2VseSwgc28gc29tZXRpbWVzIGl0IGdvZXMgZm9yIGEgd2hpbGUg d2l0aG91dCB0aGUKZmxpY2tlcmluZy4KClRoaW5ncyAqd29yayosIGJ1dCB0aGUgZmxpY2tlcmlu ZyBpcyBuYXN0eSBlbm91Z2ggdG8gbWFrZSB0aGUgZW5kCnJlc3VsdCBwYWluZnVsIHRvIHVzZS4K ClRoZSBvbmx5IHRoaW5nIEkgc2VlIGluIGRtZXNnIHRoYXQgbG9va3MgYmFkIGlzCgogICBbZHJt OmludGVsX3NldF9jcHVfZmlmb191bmRlcnJ1bl9yZXBvcnRpbmcgW2k5MTVdXSAqRVJST1IqCnVu Y2xlYXJlZCBmaWZvIHVuZGVycnVuIG9uIHBpcGUgQQogICBbZHJtOmludGVsX2NwdV9maWZvX3Vu ZGVycnVuX2lycV9oYW5kbGVyIFtpOTE1XV0gKkVSUk9SKiBDUFUgcGlwZSBBCkZJRk8gdW5kZXJy dW4KCmJ1dCBJJ3ZlIHNlZW4gdGhhdCBiZWZvcmUsIGFuZCBpdCBoYXBwZW5zIGEgY291cGxlIG9m IHRpbWVzIGR1cmluZwpib290LiBOb3Qgb25jZSBwZXIgc2Vjb25kLgoKVGhpcyBpcyBteSBvbGQg VmFpbyAxMSBQcm8sIG5vdyBydW5uaW5nIEZlZG9yYSAyNCAodXAtdG8tZGF0ZSBhcyBvZiB0b2Rh eSkuCgpTbyBpdCdzIGJvZy1zdGFuZGFyZCBpbnRlbCBncmFwaGljcyAoaTUtNDIwMFUgLSBIYXN3 ZWxsIFVMVCkuCgpTdWdnZXN0aW9ucyB0byB0cnk/CgogICAgICAgICAgICAgTGludXMKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxp bmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==