From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH igt] igt/kms_flip: Calibrate timestamp errors Date: Wed, 26 Oct 2016 12:17:25 +0300 Message-ID: <20161026091725.GZ4617@intel.com> 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> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 616976E824 for ; Wed, 26 Oct 2016 09:21:41 +0000 (UTC) Content-Disposition: inline In-Reply-To: <20161026061813.4oathxxsfzf3nuzy@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCBPY3QgMjYsIDIwMTYgYXQgMDg6MTg6MTNBTSArMDIwMCwgRGFuaWVsIFZldHRlciB3 cm90ZToKPiBPbiBNb24sIE9jdCAyNCwgMjAxNiBhdCAxMDozODozNEFNICswMTAwLCBDaHJpcyBX aWxzb24gd3JvdGU6Cj4gPiBPbiBNb24sIE9jdCAyNCwgMjAxNiBhdCAxMToxNDozMUFNICswMjAw LCBEYW5pZWwgVmV0dGVyIHdyb3RlOgo+ID4gPiBPbiBNb24sIE9jdCAyNCwgMjAxNiBhdCAwOTo1 NDo1MkFNICswMTAwLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gPiA+IEFsc28gd2l0aCB0aGlzIHBh dGNoIHdlIHNob3VsZCBiZSBhYmxlIHRvIHRocm93IG91dCB0aGUgaGFja3MgZm9yIHR2LW91dC4K PiA+ID4gSSBvbmx5IGFkZGVkIHRob3NlIGJlY2F1c2UgdGhlIHJlcG9ydGVkIG1vZGUtdGltaW5n cyBhcmUgbWFzc2l2ZWx5IG9mZgo+ID4gPiAoZHVlIHRvIHRoZSBtYWdpYyB0diBzY2FsZXIgdGhp bmcpIGZyb20gdGhlIHJlYWwgdGltZXN0YW1wcyB3ZSByZWNlaXZlLgo+ID4gPiBBdXRvLWRldGVj dGluZyB0aGlzIGlzIG11Y2ggYmV0dGVyLgo+ID4gCj4gPiBOb3QgcXVpdGUganVzdCB5ZXQsIHdl IG5lZWQgdG8gc3BsaXQgdGhlIHRpbWluZyB0ZXN0cyBpbnRvIGEgc3ViZ3JvdXAKPiA+IHdpdGgg YSBzdWJ0ZXN0IHBlciBvdXRwdXQgc28gdGhhdCB3ZSBjYW4gc2tpcCBvbmUgd2l0aG91dCBza2lw cGluZyB0aGUKPiA+IG90aGVycy4gQXQgdGhlIG1vbWVudCwgdGhpcyBjaGVjayBtYWtlcyBpdCBi YWlsIG91dCBvbiBteSBjdGcvaWxrIHdobwo+ID4gaGF2ZSBhIGRpZmZlcmVuY2Ugb2YgYWJvdXQg NTB1cyBiZXR3ZWVuIG1lYXN1cmVkIGFuZCBleHBlY3RlZCB2YmxhbmsKPiA+IGludGVydmFsIG9u IExWRFMgKHdoaWNoIGlzIG5pZ2ggb24gaW1wb3NzaWJsZSBnaXZlbiBvdXIgY29uZmlkZW5jZSBp biB0aGUKPiA+IG1lYXN1cmVtZW50LCBpLmUuIGFib3V0IDcgc2lnbWEpLgo+IAo+IEhtLCBzaG91 bGQgd2UgYmUgYSBiaXQgbW9yZSBzbG9wcHkgaW4gb3VyIGFjY2VwdGFuY2U/IElpcmMgVmlsbGUg aGFzIG1hZGUKPiBjaGFuZ2VzIHRvIG1ha2UgaXQgYSBiaXQgbW9yZSBzdHJpY3QgYSB3aGlsZSBh Z28sIGFuZCB3YXksIHdheSBiYWNrIHRoaXMKPiBzdHVmZiB3b3JrZWQgb24gbXkgY3RnLiBIYXZl bid0IGZpcmVkIGl0IHVwIGluIGEgd2hpbGUgOy0pCj4gCj4gPiA+IEFuZCBhbm90aGVyIGlzc3Vl OiBGYWlsaW5nIHRvIG1hdGNoIHRoZSByZXBvcnRlZCBtb2RlIHRpbWluZ3MgaXMgYSBkcml2ZXIK PiA+ID4gYnVnLgo+ID4gCj4gPiBOb3QgcXVpdGUsIHJlbWVtYmVyIHdlIG92ZXJyaWRlIHRoZSB1 c2VyIGZvciBmaXhlZCBtb2RlIHBhbmVscy4gQnV0IHllcywKPiA+IHBpZ2xpdCBhbHNvIGhhcyBh IHNpbWlsYXIgZXhwZWN0YXRpb24gdGhhdCB0aGUgZG90Y2xvY2sgd2UgcmVwb3J0ICh2aWEKPiA+ IEdldE1zY1JhdGUpIGluIHNvbWV3YXkgY29ycmVzcG9uZHMgdG8gYWN0dWFsIHZibGFuayBpbnRl cnZhbC4KPiAKPiBZZWFoLCBJIGhvcGUgdGhhdCBEUlJTIHdvdWxkIGZpeCB0aGF0LCBhdCBsZWFz dCBvbiBuZXdlciBzdHVmZi4gQXQgbGVhc3QgSQo+IHByb3Bvc2VkIGp1c3QgdXNpbmcgdGhlIG1h dGNoaW5nIGRvdGNsb2NrIGZvciBtYW51YWwgRFJSUyAobW9zdGx5IHRvCj4gcGVyZmVjdGx5IG1h dGNoIHdpdGggdGhlIHJlZnJlc2ggcmF0ZSBvZiBhIHZpZGVvKS4gRGlkbid0IHlldCBoYXBwZW4g OigKPiAKPiBCdXQgYXQgbGVhc3QgZm9yIHRoZSBkZWZhdWx0IG1vZGUgd2Ugc2hvdWxkIHRyeSBy ZWFsIGhhcmQgdG8gbWF0Y2guCgpUaGUgcHJvYmxlbSBpcyB0aGUgZ3JhbnVsYXJpdHkgb2YgdGhl IFBMTC4gRm9yIGZpeGVkIG1vZGUgcGFuZWxzIHdlCmNvdWxkIGVhc2lseSBmaXggdXAgd2hhdCB3 ZSByZXBvcnQgdG8gdXNlcnNwYWNlIGFzIHRoZSBjbG9jaywgd2hpY2gKd291bGQgZml4IHRoZXNl IHRlc3RzLiBGb3IgZXh0ZXJuYWwgZGlzcGxheXMgaXQncyBub3QgcXVpdGUgc28gY2xlYXIuCgot LSAKVmlsbGUgU3lyasOkbMOkCkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9pbnRlbC1nZngK