From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eero Tamminen Subject: Re: [PATCH v2 2/2] drm/i915/bxt: Fix inadvertent CPU snooping due to incorrect MOCS config Date: Tue, 26 Apr 2016 17:26:43 +0300 Message-ID: <571F7AA3.8080509@intel.com> References: <1461674662-29353-1-git-send-email-imre.deak@intel.com> <1461674662-29353-2-git-send-email-imre.deak@intel.com> <20160426125726.GJ27856@nuc-i3427.alporthouse.com> <1461676675.18080.18.camel@intel.com> <20160426132321.GL27856@nuc-i3427.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 2B8466E2B0 for ; Tue, 26 Apr 2016 14:11:55 +0000 (UTC) In-Reply-To: <20160426132321.GL27856@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , Imre Deak , intel-gfx@lists.freedesktop.org, Valtteri Rantala , Michael T Frederick , =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= List-Id: intel-gfx@lists.freedesktop.org SGksCgpPbiAyNi4wNC4yMDE2IDE2OjIzLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gT24gVHVlLCBB cHIgMjYsIDIwMTYgYXQgMDQ6MTc6NTVQTSArMDMwMCwgSW1yZSBEZWFrIHdyb3RlOgo+PiBPbiB0 aSwgMjAxNi0wNC0yNiBhdCAxMzo1NyArMDEwMCwgQ2hyaXMgV2lsc29uIHdyb3RlOgo+Pj4gT24g VHVlLCBBcHIgMjYsIDIwMTYgYXQgMDM6NDQ6MjJQTSArMDMwMCwgSW1yZSBEZWFrIHdyb3RlOgo+ Pj4+IFNldHRpbmcgYSB3cml0ZS1iYWNrIGNhY2hlIHBvbGljeSBpbiB0aGUgTU9DUyBlbnRyeSBk ZWZpbml0aW9uIGFsc28KPj4+PiBpbXBsaWVzIHNub29waW5nLCB3aGljaCBoYXMgYSBjb25zaWRl cmFibGUgb3ZlcmhlYWQuIFRoaXMgaXMKPj4+PiB1bmV4cGVjdGVkIGZvciBhIGZldyByZWFzb25z Ogo+Pj4KPj4+IElmIGl0IGlzIHNub29waW5nLCB0aGVuIEkgZG9uJ3Qgc2VlIHdoeSBpdCBpcyB1 bmRlc2lyYWJsZSB0byBoYXZlIGl0Cj4+PiBhdmFpbGFibGUgaW4gYSBtb2NzIHNldHRpbmcuIElm IGl0IGlzIGJvZ3VzIGFuZCB0aGUgYml0IGlzIHVuZGVmaW5lZCwKPj4+IHRoZW4gYnkgYWxsIG1l YW5zIHJlbW92ZSBpdC4KPj4KPj4gTm9uZSBvZiB0aGVzZSBlbnRyaWVzIGFyZSB1c2VkIGFsb25l IGZvciBjb2hlcmVudCBzdXJmYWNlcy4gRm9yIHRoYXQKPj4gdGhlIGFwcGxpY2F0aW9uIHdvdWxk IGhhdmUgdG8gdXNlIGVudHJ5IGluZGV4IzEgb3IgIzIgX2FuZF8gY2FsbCB0aGUKPj4gc2V0IGNh Y2hpbmcgSU9DVEwgdG8gc2V0IHRoZSBjb3JyZXNwb25kaW5nIGJ1ZmZlciB0byBiZSBjYWNoZWQu Cj4KPiBObywgdGhlIGFwcGxpY2F0aW9uIGRvZXNuJ3QuIFRoZXJlIGFyZSBzdWZmaWNlbnQgaW50 ZXJmYWNlcyBleHBvc2VkIHRoYXQKPiB1c2Vyc3BhY2UgY2FuIGJ5cGFzcyB0aGUga2VybmVsIGlm IGl0IHNvIGRlc2lyZWQuCj4KPj4gVGhlCj4+IHByb2JsZW0gaXMgdGhhdCB3aXRob3V0IHNldHRp bmcgdGhlIGJ1ZmZlciB0byBiZSBjYWNoZWFibGUgdGhlCj4+IGV4cGVjdGF0aW9uIGlzIHRoYXQg d2Ugd29uJ3QgYmUgc25vb3BpbmcgYW5kIGluY3VyIHRoZSBjb3JyZXNwb25kaW5nCj4+IG92ZXJo ZWFkLiBUaGlzIGlzIHdoYXQgdGhpcyBwYXRjaCBhZGRyZXNzZXMuCj4KPiBOb3QgdHJ1ZS4KPgo+ PiBUaGUgYml0IGlzIGFsc28gYm9ndXMsIGlmIHdlIHdhbnRlZCBzbm9vcGluZyB2aWEgTU9DUyB3 ZSdkIHVzZSB0aGUKPj4gZGVkaWNhdGVkIEhXIGZsYWcgZm9yIHRoYXQuCj4KPiBCdXQgeW91IGtl ZXAgc2F5aW5nIHRoaXMgYml0ICplbmFibGVzKiBzbm9vcGluZy4gU28gZWl0aGVyIGl0IGRvZXMg b3IgaXQKPiBkb2Vzbid0Lgo+Cj4+IElmIHdlIHdhbnRlZCB0byBoYXZlIGEgc25vb3BpbmcgTU9D UyBlbnRyeSB3ZSBzaG91bGQgYWRkIHRoYXQKPj4gc2VwYXJhdGVseSAoYXMgYSBmb3J0aCBlbnRy eSksIGJ1dCB3ZSdkIG5lZWQgdGhpcyBjaGFuZ2UgYXMgYSBmaXggZm9yCj4+IGN1cnJlbnQgdXNl cnMuCj4KPiBUaGUgY3VycmVudCB1c2VycyB3aG8gYXJlIGdldHRpbmcgd2hhdCB0aGV5IHJlcXVl c3QgYnV0IGRvbid0IGtub3cgd2hhdAo+IHRoZXkgd2VyZSByZXF1ZXN0aW5nPwoKV2hhdCB0aGlz IGtlcm5lbCBBQkkgKGluZGV4IGVudHJ5ICMyKSBoYXMgYmVlbiBhZ3JlZWQgJiBkb2N1bWVudGVk IHRvIApwcm92aWRlPwoKSSB0aG91Z2h0IHRoaXMgZW50cnkgaXMgc3VwcG9zZWQgdG8gcmVwbGFj ZSB0aGUgd3JpdGViYWNrIExMQy9lTExDIGNhY2hlIApNT0NTIHNldHRpbmcgTWVzYSBpcyB1c2lu ZyBvbiAoZS5nLiBCRFcpIHRvIHNwZWVkIHVwIGFjY2Vzc2VzIHRvIGEgCm1lbW9yeSBhcmVhIHdo aWNoIGl0IGtub3dzIGFsd2F5cyB0byBiZSBhY2Nlc3NlZCBzbyB0aGF0IGl0IGNhbiBiZSBjYWNo ZWQuCgpJZiBhcHAgcnVucyBvbiBIVyB3aGVyZSBMTEMvZUxMQyBpcyBtaXNzaW5nLCBnaXZpbmcg dGhlIGFwcCBleHRyYSAKc2xvd2Rvd24gaW5zdGVhZCBvZiBwb3RlbnRpYWwgc3BlZWR1cCBzb3Vu ZHMgbGlrZSBmYWlsZWQgSFcgYWJzdHJhY3Rpb24uIDotKQoKCgktIEVlcm8KCl9fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxp c3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=