From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [BUG, bisect] drm/i915: mouse pointer lags and overshoots Date: Mon, 19 Jan 2015 11:08:47 +0200 Message-ID: <20150119090847.GQ10649@intel.com> References: <20150117100635.GA1281@hudson.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20150117100635.GA1281@hudson.localdomain> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jeremiah Mahler , Matt Roper , Daniel Vetter , Jani Nikula , David Airlie , Alex Deucher , Dave Airlie , Ander Conselvan de Oliveira , linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gU2F0LCBKYW4gMTcsIDIwMTUgYXQgMDI6MDY6MzVBTSAtMDgwMCwgSmVyZW1pYWggTWFobGVy IHdyb3RlOgo+IE1hdHQsIGFsbCwKPiAKPiBDb21taXQgZWEyYzY3YmI0YWZmIGludHJvZHVjZXMg YSBidWcgd2hpY2ggY2F1c2VzIHRoZSBtb3VzZSB0byBtb3ZlIGluIGEKPiB2ZXJ5IHVudXN1YWwg d2F5LCBhcyBpZiBpdCBoYXMgYSBsb3Qgb2YgaW5lcnRpYS4gIEl0IHdpbGwgbGFnIGJlaGluZCBh bmQKPiB0aGVuIG92ZXJzaG9vdCB0aGUgZXhwZWN0ZWQgcG9zaXRpb24uCj4gCj4gSSByZXByb2R1 Y2VkIHRoaXMgYnVnIG9uIGFsbCBteSBtYWNoaW5lcyB3aGljaCB1c2UgdGhlIGRybS9pOTE1IGRy aXZlcnMKPiBhbmQgaXQgYWZmZWN0cyBhbGwgZm9ybXMgb2YgbW91c2UgcG9pbnRlcnMgaW5jbHVk aW5nIGJvdGggdG91Y2hwYWRzIGFuZAo+IHVzYiBtaWNlLiAgVGhlIHBhdGNoIGlzIHByZXNlbnQg aW4gbGludXgtbmV4dCAyMDE1MDExNi4KPiAKPiAgIGNvbW1pdCBlYTJjNjdiYjRhZmZhODQwODBj NjE2OTIwZjM4OTlmMTIzNzg2ZTU2Cj4gICBBdXRob3I6IE1hdHQgUm9wZXIgPG1hdHRoZXcuZC5y b3BlckBpbnRlbC5jb20+Cj4gICBEYXRlOiAgIFR1ZSBEZWMgMjMgMTA6NDE6NTIgMjAxNCAtMDgw MAo+ICAgCj4gICAgICAgZHJtL2k5MTU6IE1vdmUgdG8gYXRvbWljIHBsYW5lIGhlbHBlcnMgKHY5 KQoKSSBndWVzcyB0aGlzIGlzIGNhdXNlZCBieSB0aGUgYXRvbWljIGNvZGUgcmVmdXNpbmcgdG8g dXBkYXRlIHRoZSBwbGFuZQptb3JlIHRoYW4gb25jZSBwZXIgdnJlZnJlc2guIFNvIHdlIG5lZWQg dG8gYWxsb3cgdGhlIGZwcz52cmVmcmVzaCByYXRlCmNhc2UgdG8gcmVtb3ZlIHRoZSByZWdyZXNz aW9uLgoKVGhlIG9sZCBjdXJzb3IgY29kZSBoYWQgYmFzaWNhbGx5IGEgZ3Jvc3MgaGFjayB0byBh bGxvdyB0aGlzLiBJdCBqdXN0CnVucGlubmVkIHRoZSBvbGQgZmIgYmVmb3JlIHRoZSBkaXNwbGF5 IGVuZ2luZSB3YXMgZG9uZSB3aXRoIGl0LCBhbmQKX2FmdGVyXyB1bnBpbm5pbmcgaXQgZmxpcHBl ZCB0byB0aGUgbmV3IGJ1ZmZlciAod2l0aCB0aGUgb2J2aW91cyBleHRyYQpkZWxheSBvZiB0aGUg ZmxpcCBoYXBwZW5pbmcgb24gdGhlIG5leHQgdmJsYW5rKS4gU28gdGhlcmUgd2FzIG5vCmd1YXJh bnRlZSB0aGUgb2xkIGJ1ZmZlciB3YXMgc3RpbGwgYXJvdW5kIChvciBoYWQgdGhlIGNvcnJlY3Qg Y29udGVudCkKd2hpbGUgdGhlIGRpc3BsYXkgZW5naW5lIHdhcyBzdGlsbCBzY2FubmluZyBpdCBv dXQuIFNvIHRvIGZpeCB0aGlzCnByb3Blcmx5IHdlIG5lZWQgYSB2Ymxhbmsgd29ya2VyIG9mIHNv bWUgc29ydC4KClRoZSBvdGhlciBpc3N1ZXMgd2UgbmVlIHRvIGtub3cgd2hpY2ggZmIgaXMgYmVp bmcgc2Nhbm5lZCBvdXQgYXQgd2hpY2gKcG9pbnQgdG8gdW5waW4gdGhlIGNvcnJlY3Qgb2xkIGJ1 ZmZlci4gRm9yIHRoYXQgd2UgY2FuIHVzZSB0aGUgaGFyZHdhcmUKZnJhbWUgY291bnRlci4gV2Ug Y291bGQgdXNlIHNvbWUgb3RoZXIgbWVjaGFuaW1zIHRvbyAoU1VSRkxJVkUsIGZsaXAKY291bnRl ciBldGMuKSBidXQgdGhlIGZyYW1lIGNvdW50ZXIgaXMgdGhlIG1vc3QgdWJpcWl0aW91cyBtZXRo b2Qgd2UKaGF2ZS4KClRoZSBvbmUgZXh0cmEgcHJvYmxlbSBpcyBnZW4yIGRvZXNuJ3QgaGF2ZSBl dmVuIHRoZSBmcmFtZSBjb3VudGVyLCBzbwpzb21lIGV4dHJhIGNhcmUgd291bGQgYmUgbmVlZGVk IHRoZXJlLiBJJ20gdGhpbmtpbmcgZm9yIGdlbjIgd2UgbWlnaHQKYWxsb3cgdGhlIGRyaXZlciB0 byBjYWxsIGludG8gdGhlIHZibGFuayBjb3JlIGNvZGUgdG8gdXBkYXRlIHRoZSBjb29rZWQKY291 bnRlciBhdCBhbnkgdGltZSBiYXNlZCBvbiB0aGUgc2NhbmxpbmUgY291bnRlciBhbmQgbW9ub3Rv bmljIHRpbWVzdGFtcC4KVGhhdCBjb21iaW5lZCB3aXRoIHRoZSB2YmxhbmsgZXZhZGUgbWVjaGFu aXNtIHNob3VsZCBtYWtlIHJlYXNvbmFibHkgc3VyZQp3ZSBoYXZlIGFuIHVwIHRvIGRhdGUgbm90 aW9uIG9mIHdoaWNoIGZyYW1lIGlzIGN1cnJlbnRseSBnZXR0aW5nIHNjYW5uZWQKb3V0LgoKV2Ug bmVlZCB0aGUgZXh0cmEgY2FsbCBpbnRvIHRoZSB2YmxhbmsgY29yZSBzaW5jZSBqdXN0IGFmdGVy IHRoZSB2YmxhbmsKc3RhcnQsIHRoZSB2YmxhbmsgaW50ZXJydXB0IGhhbmRsZXIgbWF5IG5vdCBo YXZlIGV4ZWN1dGVkIHlldCAoZXNwZWNpYWxseQpzaW5jZSBnZW4yIHZibGFuayBpcnEgZmlyZXMg YWN0dWFsbHkgYXQgdGhlIGZyYW1lIHN0YXJ0IHdoaWNoIGlzIGEgZGVsYXllZAp2ZXJzaW9uIG9m IHRoZSB2Ymxhbmsgc3RhcnQsIGV2ZW4gdGhvdWdoIHRoZSBmbGlwIGhhcHBlcyBhdCB2Ymxhbmsg c3RhcnQpLgpTbyB3ZSBuZWVkIGFuIGV4cGxpY2l0IGNhbGwgdG8gbWFrZSBzdXJlIHRoZSBjb29r ZWQgY291bnRlciBpcyBhbHJlYWR5CnVwZGF0ZWQgYmVmb3JlIHRoZSBpcnEgaGFuZGxlciBoYXMg ZXhlY3V0ZWQuIEkgaGF2ZSBzb21lIGNoYW5nZXMgbGluZWQKdXAgZm9yIHRoZSB2YmxhbmsgY29k ZSB3aGljaCBJIHRoaW5rIGNvdWxkIGhlbHAgbWFrZSBzdXJlIGhlIGV4dHJhIGNhbGwKd29uJ3Qg aW5jcmVtZW50IHRoZSBjb3VudGVyIHNwdXJpb3VzbHksIGJ1dCBJIGhhdmUgdG8gY2xlYW4gdGhv c2UgdXAgYQpiaXQgYmVmb3JlIHNlbmRpbmcgdGhlbSBvdXQuCgotLSAKVmlsbGUgU3lyasOkbMOk CkludGVsIE9UQwpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcK aHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=