From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH v3] drm/i915/fbc: FBC causes display flicker when VT-d is enabled on Skylake Date: Thu, 23 Jun 2016 11:41:39 +0300 Message-ID: <8737o4jnzw.fsf@intel.com> References: <1466192703-17633-1-git-send-email-chris@chris-wilson.co.uk> <1466493927-13735-1-git-send-email-chris@chris-wilson.co.uk> <1466633715.3190.11.camel@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTP id C048E6E8BE for ; Thu, 23 Jun 2016 08:41:41 +0000 (UTC) In-Reply-To: <1466633715.3190.11.camel@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Zanoni, Paulo R" , "intel-gfx@lists.freedesktop.org" , "chris@chris-wilson.co.uk" List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyMyBKdW4gMjAxNiwgIlphbm9uaSwgUGF1bG8gUiIgPHBhdWxvLnIuemFub25pQGlu dGVsLmNvbT4gd3JvdGU6Cj4gRW0gVGVyLCAyMDE2LTA2LTIxIMOgcyAwODoyNSArMDEwMCwgQ2hy aXMgV2lsc29uIGVzY3JldmV1Ogo+PiBFcnJhdHVtIFNLTDA3NTogRGlzcGxheSBGbGlja2VyIE1h eSBPY2N1ciBXaGVuIEJvdGggVlQtZCBBbmQgRkJDIEFyZQo+PiBFbmFibGVkCj4+IAo+PiAiRGlz cGxheSBmbGlja2VyaW5nIG1heSBvY2N1ciB3aGVuIGJvdGggRkJDIChGcmFtZSBCdWZmZXIKPj4g Q29tcHJlc3Npb24pCj4+IGFuZCBWVCAtIGQgKEludGVswq4gVmlydHVhbGl6YXRpb24gVGVjaG5v bG9neSBmb3IgRGlyZWN0ZWQgSS9PKSBhcmUKPj4gZW5hYmxlZAo+PiBhbmQgaW4gdXNlIGJ5IHRo ZSBkaXNwbGF5IGNvbnRyb2xsZXIuIgo+PiAKPj4gVmlsbGUgZm91bmQgdGhlIHcvYSBuYW1lIGlu IHRoZSBkYXRhYmFzZToKPj4gV2FGYmNUdXJuT2ZmRmJjV2hlbkh5cGVyVmlzb3JJc1VzZWQ6c2ts Cj4+IAo+PiB2MjogTG9nIHdoZW4gdGhlIHF1aXJrIGlzIGFwcGxpZWQuCj4+IHYzOiBFbnN1cmUg aTkxNS5lbmFibGVfZmJjIGlzIGZhbHNlIHdoZW4gIUhBU19GQkMoKQo+PiAKPj4gU2lnbmVkLW9m Zi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4+IENjOiBQYXVs byBaYW5vbmkgPHBhdWxvLnIuemFub25pQGludGVsLmNvbT4KPj4gQ2M6IFZpbGxlIFN5cmrDpGzD pCA8dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4+IC0tLQo+PiDCoGRyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfZHJ2LmjCoMKgfMKgwqAyICsrCj4+IMKgZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZmJjLmMgfCAxOSArKysrKysrKysrKysrKysrKysrCj4+IMKgMiBmaWxlcyBjaGFu Z2VkLCAyMSBpbnNlcnRpb25zKCspCj4+IAo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9kcnYuaAo+PiBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKPj4g aW5kZXggODkyOThkM2FkOTRiLi5mMWU5ZmQwN2Q0NDEgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKPj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV9kcnYuaAo+PiBAQCAtMjU4Niw2ICsyNTg2LDggQEAgc3RydWN0IGRybV9pOTE1X2NtZF90YWJs ZSB7Cj4+IMKgI2RlZmluZSBJTlRFTF9HRU4ocCkJKElOVEVMX0lORk8ocCktPmdlbikKPj4gwqAj ZGVmaW5lIElOVEVMX0RFVklEKHApCShJTlRFTF9JTkZPKHApLT5kZXZpY2VfaWQpCj4+IMKgCj4+ ICsjZGVmaW5lIG1rd3JpdGVfaW50ZWxfaW5mbyhwKSAoKHN0cnVjdCBpbnRlbF9kZXZpY2VfaW5m bwo+PiAqKUlOVEVMX0lORk8ocCkpCj4KPiBTbyB3aHkgZG9uJ3Qgd2UgdW4tY29uc3Qgc3RydWN0 IGludGVsX2RldmljZV9pbmZvPwoKWWVhaCwgdGhpcyBpcyBtb3JlIHRoYW4gYSBsaXR0bGUgdWds eS4gRWl0aGVyIGl0IHNob3VsZCBzdGF5IGNvbnN0IGFuZAp3ZSBzaG91bGRuJ3QgbW9kaWZ5IGl0 IChleGNlcHQgaW4gaW50ZWxfZGV2aWNlX2luZm9fcnVudGltZV9pbml0KCksIGFuZApldmVuIHRo YXQgaXMgYSBiaXQgdWdseSksIG9yIHdlIG1ha2UgaXQgbm9uLWNvbnN0LgoKQlIsCkphbmkuCgot LSAKSmFuaSBOaWt1bGEsIEludGVsIE9wZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZy ZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=