From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH igt] igt/kms_flip: Calibrate timestamp errors Date: Thu, 27 Oct 2016 08:43:44 +0200 Message-ID: <20161027064344.eqnkgisysublyapc@phenom.ffwll.local> References: <20161024085452.28315-1-chris@chris-wilson.co.uk> <20161024091431.GP20761@phenom.ffwll.local> <20161024093834.GD19601@nuc-i3427.alporthouse.com> <20161026061813.4oathxxsfzf3nuzy@phenom.ffwll.local> <20161026091725.GZ4617@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x242.google.com (mail-wm0-x242.google.com [IPv6:2a00:1450:400c:c09::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id C35BF6E9DD for ; Thu, 27 Oct 2016 06:43:48 +0000 (UTC) Received: by mail-wm0-x242.google.com with SMTP id y138so1059608wme.1 for ; Wed, 26 Oct 2016 23:43:48 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20161026091725.GZ4617@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBPY3QgMjYsIDIwMTYgYXQgMTI6MTc6MjVQTSArMDMwMCwgVmlsbGUgU3lyasOkbMOk IHdyb3RlOgo+IE9uIFdlZCwgT2N0IDI2LCAyMDE2IGF0IDA4OjE4OjEzQU0gKzAyMDAsIERhbmll bCBWZXR0ZXIgd3JvdGU6Cj4gPiBPbiBNb24sIE9jdCAyNCwgMjAxNiBhdCAxMDozODozNEFNICsw MTAwLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gPiA+IE9uIE1vbiwgT2N0IDI0LCAyMDE2IGF0IDEx OjE0OjMxQU0gKzAyMDAsIERhbmllbCBWZXR0ZXIgd3JvdGU6Cj4gPiA+ID4gT24gTW9uLCBPY3Qg MjQsIDIwMTYgYXQgMDk6NTQ6NTJBTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+ID4gPiA+ IEFsc28gd2l0aCB0aGlzIHBhdGNoIHdlIHNob3VsZCBiZSBhYmxlIHRvIHRocm93IG91dCB0aGUg aGFja3MgZm9yIHR2LW91dC4KPiA+ID4gPiBJIG9ubHkgYWRkZWQgdGhvc2UgYmVjYXVzZSB0aGUg cmVwb3J0ZWQgbW9kZS10aW1pbmdzIGFyZSBtYXNzaXZlbHkgb2ZmCj4gPiA+ID4gKGR1ZSB0byB0 aGUgbWFnaWMgdHYgc2NhbGVyIHRoaW5nKSBmcm9tIHRoZSByZWFsIHRpbWVzdGFtcHMgd2UgcmVj ZWl2ZS4KPiA+ID4gPiBBdXRvLWRldGVjdGluZyB0aGlzIGlzIG11Y2ggYmV0dGVyLgo+ID4gPiAK PiA+ID4gTm90IHF1aXRlIGp1c3QgeWV0LCB3ZSBuZWVkIHRvIHNwbGl0IHRoZSB0aW1pbmcgdGVz dHMgaW50byBhIHN1Ymdyb3VwCj4gPiA+IHdpdGggYSBzdWJ0ZXN0IHBlciBvdXRwdXQgc28gdGhh dCB3ZSBjYW4gc2tpcCBvbmUgd2l0aG91dCBza2lwcGluZyB0aGUKPiA+ID4gb3RoZXJzLiBBdCB0 aGUgbW9tZW50LCB0aGlzIGNoZWNrIG1ha2VzIGl0IGJhaWwgb3V0IG9uIG15IGN0Zy9pbGsgd2hv Cj4gPiA+IGhhdmUgYSBkaWZmZXJlbmNlIG9mIGFib3V0IDUwdXMgYmV0d2VlbiBtZWFzdXJlZCBh bmQgZXhwZWN0ZWQgdmJsYW5rCj4gPiA+IGludGVydmFsIG9uIExWRFMgKHdoaWNoIGlzIG5pZ2gg b24gaW1wb3NzaWJsZSBnaXZlbiBvdXIgY29uZmlkZW5jZSBpbiB0aGUKPiA+ID4gbWVhc3VyZW1l bnQsIGkuZS4gYWJvdXQgNyBzaWdtYSkuCj4gPiAKPiA+IEhtLCBzaG91bGQgd2UgYmUgYSBiaXQg bW9yZSBzbG9wcHkgaW4gb3VyIGFjY2VwdGFuY2U/IElpcmMgVmlsbGUgaGFzIG1hZGUKPiA+IGNo YW5nZXMgdG8gbWFrZSBpdCBhIGJpdCBtb3JlIHN0cmljdCBhIHdoaWxlIGFnbywgYW5kIHdheSwg d2F5IGJhY2sgdGhpcwo+ID4gc3R1ZmYgd29ya2VkIG9uIG15IGN0Zy4gSGF2ZW4ndCBmaXJlZCBp dCB1cCBpbiBhIHdoaWxlIDstKQo+ID4gCj4gPiA+ID4gQW5kIGFub3RoZXIgaXNzdWU6IEZhaWxp bmcgdG8gbWF0Y2ggdGhlIHJlcG9ydGVkIG1vZGUgdGltaW5ncyBpcyBhIGRyaXZlcgo+ID4gPiA+ IGJ1Zy4KPiA+ID4gCj4gPiA+IE5vdCBxdWl0ZSwgcmVtZW1iZXIgd2Ugb3ZlcnJpZGUgdGhlIHVz ZXIgZm9yIGZpeGVkIG1vZGUgcGFuZWxzLiBCdXQgeWVzLAo+ID4gPiBwaWdsaXQgYWxzbyBoYXMg YSBzaW1pbGFyIGV4cGVjdGF0aW9uIHRoYXQgdGhlIGRvdGNsb2NrIHdlIHJlcG9ydCAodmlhCj4g PiA+IEdldE1zY1JhdGUpIGluIHNvbWV3YXkgY29ycmVzcG9uZHMgdG8gYWN0dWFsIHZibGFuayBp bnRlcnZhbC4KPiA+IAo+ID4gWWVhaCwgSSBob3BlIHRoYXQgRFJSUyB3b3VsZCBmaXggdGhhdCwg YXQgbGVhc3Qgb24gbmV3ZXIgc3R1ZmYuIEF0IGxlYXN0IEkKPiA+IHByb3Bvc2VkIGp1c3QgdXNp bmcgdGhlIG1hdGNoaW5nIGRvdGNsb2NrIGZvciBtYW51YWwgRFJSUyAobW9zdGx5IHRvCj4gPiBw ZXJmZWN0bHkgbWF0Y2ggd2l0aCB0aGUgcmVmcmVzaCByYXRlIG9mIGEgdmlkZW8pLiBEaWRuJ3Qg eWV0IGhhcHBlbiA6KAo+ID4gCj4gPiBCdXQgYXQgbGVhc3QgZm9yIHRoZSBkZWZhdWx0IG1vZGUg d2Ugc2hvdWxkIHRyeSByZWFsIGhhcmQgdG8gbWF0Y2guCj4gCj4gVGhlIHByb2JsZW0gaXMgdGhl IGdyYW51bGFyaXR5IG9mIHRoZSBQTEwuIEZvciBmaXhlZCBtb2RlIHBhbmVscyB3ZQo+IGNvdWxk IGVhc2lseSBmaXggdXAgd2hhdCB3ZSByZXBvcnQgdG8gdXNlcnNwYWNlIGFzIHRoZSBjbG9jaywg d2hpY2gKPiB3b3VsZCBmaXggdGhlc2UgdGVzdHMuIEZvciBleHRlcm5hbCBkaXNwbGF5cyBpdCdz IG5vdCBxdWl0ZSBzbyBjbGVhci4KCk92ZXItdGhlIHRvcCBpZGVhIHdvdWxkIGJlIHRvIGFkanVz dCB0aGUgcmVwb3J0ZWQgbW9kbGluZXMgdG8gbWF0Y2ggd2hhdAp3ZSBjYW4gZG8gd2l0aCB0aGUg UExMIG9uIGVhY2ggcGxhdGZvcm0uIFByb2JhYmx5IG5vdCB3b3J0aCB0aGUgdHJvdWJsZSwKYnV0 IEkgZ3Vlc3MgaWYgd2UgYm90aGVyIHdpdGggdGhpcyBmb3IgcGFuZWxzIGl0IHdvbid0IGJlIG1v cmUgd29yawpyZWFsbHkuCi1EYW5pZWwKLS0gCkRhbmllbCBWZXR0ZXIKU29mdHdhcmUgRW5naW5l ZXIsIEludGVsIENvcnBvcmF0aW9uCmh0dHA6Ly9ibG9nLmZmd2xsLmNoCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QK SW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=