From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH v2 2/2] drm/i915/bxt: Fix inadvertent CPU snooping due to incorrect MOCS config Date: Tue, 26 Apr 2016 16:30:05 +0200 Message-ID: <20160426143005.GT8291@phenom.ffwll.local> 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> <571F7AA3.8080509@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-qg0-x242.google.com (mail-qg0-x242.google.com [IPv6:2607:f8b0:400d:c04::242]) by gabe.freedesktop.org (Postfix) with ESMTPS id BC2F76E857 for ; Tue, 26 Apr 2016 14:30:09 +0000 (UTC) Received: by mail-qg0-x242.google.com with SMTP id f74so1023143qge.3 for ; Tue, 26 Apr 2016 07:30:09 -0700 (PDT) Content-Disposition: inline In-Reply-To: <571F7AA3.8080509@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Eero Tamminen Cc: Michael T Frederick , Valtteri Rantala , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBBcHIgMjYsIDIwMTYgYXQgMDU6MjY6NDNQTSArMDMwMCwgRWVybyBUYW1taW5lbiB3 cm90ZToKPiBIaSwKPiAKPiBPbiAyNi4wNC4yMDE2IDE2OjIzLCBDaHJpcyBXaWxzb24gd3JvdGU6 Cj4gPk9uIFR1ZSwgQXByIDI2LCAyMDE2IGF0IDA0OjE3OjU1UE0gKzAzMDAsIEltcmUgRGVhayB3 cm90ZToKPiA+Pk9uIHRpLCAyMDE2LTA0LTI2IGF0IDEzOjU3ICswMTAwLCBDaHJpcyBXaWxzb24g d3JvdGU6Cj4gPj4+T24gVHVlLCBBcHIgMjYsIDIwMTYgYXQgMDM6NDQ6MjJQTSArMDMwMCwgSW1y ZSBEZWFrIHdyb3RlOgo+ID4+Pj5TZXR0aW5nIGEgd3JpdGUtYmFjayBjYWNoZSBwb2xpY3kgaW4g dGhlIE1PQ1MgZW50cnkgZGVmaW5pdGlvbiBhbHNvCj4gPj4+PmltcGxpZXMgc25vb3BpbmcsIHdo aWNoIGhhcyBhIGNvbnNpZGVyYWJsZSBvdmVyaGVhZC4gVGhpcyBpcwo+ID4+Pj51bmV4cGVjdGVk IGZvciBhIGZldyByZWFzb25zOgo+ID4+Pgo+ID4+PklmIGl0IGlzIHNub29waW5nLCB0aGVuIEkg ZG9uJ3Qgc2VlIHdoeSBpdCBpcyB1bmRlc2lyYWJsZSB0byBoYXZlIGl0Cj4gPj4+YXZhaWxhYmxl IGluIGEgbW9jcyBzZXR0aW5nLiBJZiBpdCBpcyBib2d1cyBhbmQgdGhlIGJpdCBpcyB1bmRlZmlu ZWQsCj4gPj4+dGhlbiBieSBhbGwgbWVhbnMgcmVtb3ZlIGl0Lgo+ID4+Cj4gPj5Ob25lIG9mIHRo ZXNlIGVudHJpZXMgYXJlIHVzZWQgYWxvbmUgZm9yIGNvaGVyZW50IHN1cmZhY2VzLiBGb3IgdGhh dAo+ID4+dGhlIGFwcGxpY2F0aW9uIHdvdWxkIGhhdmUgdG8gdXNlIGVudHJ5IGluZGV4IzEgb3Ig IzIgX2FuZF8gY2FsbCB0aGUKPiA+PnNldCBjYWNoaW5nIElPQ1RMIHRvIHNldCB0aGUgY29ycmVz cG9uZGluZyBidWZmZXIgdG8gYmUgY2FjaGVkLgo+ID4KPiA+Tm8sIHRoZSBhcHBsaWNhdGlvbiBk b2Vzbid0LiBUaGVyZSBhcmUgc3VmZmljZW50IGludGVyZmFjZXMgZXhwb3NlZCB0aGF0Cj4gPnVz ZXJzcGFjZSBjYW4gYnlwYXNzIHRoZSBrZXJuZWwgaWYgaXQgc28gZGVzaXJlZC4KPiA+Cj4gPj5U aGUKPiA+PnByb2JsZW0gaXMgdGhhdCB3aXRob3V0IHNldHRpbmcgdGhlIGJ1ZmZlciB0byBiZSBj YWNoZWFibGUgdGhlCj4gPj5leHBlY3RhdGlvbiBpcyB0aGF0IHdlIHdvbid0IGJlIHNub29waW5n IGFuZCBpbmN1ciB0aGUgY29ycmVzcG9uZGluZwo+ID4+b3ZlcmhlYWQuIFRoaXMgaXMgd2hhdCB0 aGlzIHBhdGNoIGFkZHJlc3Nlcy4KPiA+Cj4gPk5vdCB0cnVlLgo+ID4KPiA+PlRoZSBiaXQgaXMg YWxzbyBib2d1cywgaWYgd2Ugd2FudGVkIHNub29waW5nIHZpYSBNT0NTIHdlJ2QgdXNlIHRoZQo+ ID4+ZGVkaWNhdGVkIEhXIGZsYWcgZm9yIHRoYXQuCj4gPgo+ID5CdXQgeW91IGtlZXAgc2F5aW5n IHRoaXMgYml0ICplbmFibGVzKiBzbm9vcGluZy4gU28gZWl0aGVyIGl0IGRvZXMgb3IgaXQKPiA+ ZG9lc24ndC4KPiA+Cj4gPj5JZiB3ZSB3YW50ZWQgdG8gaGF2ZSBhIHNub29waW5nIE1PQ1MgZW50 cnkgd2Ugc2hvdWxkIGFkZCB0aGF0Cj4gPj5zZXBhcmF0ZWx5IChhcyBhIGZvcnRoIGVudHJ5KSwg YnV0IHdlJ2QgbmVlZCB0aGlzIGNoYW5nZSBhcyBhIGZpeCBmb3IKPiA+PmN1cnJlbnQgdXNlcnMu Cj4gPgo+ID5UaGUgY3VycmVudCB1c2VycyB3aG8gYXJlIGdldHRpbmcgd2hhdCB0aGV5IHJlcXVl c3QgYnV0IGRvbid0IGtub3cgd2hhdAo+ID50aGV5IHdlcmUgcmVxdWVzdGluZz8KPiAKPiBXaGF0 IHRoaXMga2VybmVsIEFCSSAoaW5kZXggZW50cnkgIzIpIGhhcyBiZWVuIGFncmVlZCAmIGRvY3Vt ZW50ZWQgdG8KPiBwcm92aWRlPwo+IAo+IEkgdGhvdWdodCB0aGlzIGVudHJ5IGlzIHN1cHBvc2Vk IHRvIHJlcGxhY2UgdGhlIHdyaXRlYmFjayBMTEMvZUxMQyBjYWNoZQo+IE1PQ1Mgc2V0dGluZyBN ZXNhIGlzIHVzaW5nIG9uIChlLmcuIEJEVykgdG8gc3BlZWQgdXAgYWNjZXNzZXMgdG8gYSBtZW1v cnkKPiBhcmVhIHdoaWNoIGl0IGtub3dzIGFsd2F5cyB0byBiZSBhY2Nlc3NlZCBzbyB0aGF0IGl0 IGNhbiBiZSBjYWNoZWQuCj4gCj4gSWYgYXBwIHJ1bnMgb24gSFcgd2hlcmUgTExDL2VMTEMgaXMg bWlzc2luZywgZ2l2aW5nIHRoZSBhcHAgZXh0cmEgc2xvd2Rvd24KPiBpbnN0ZWFkIG9mIHBvdGVu dGlhbCBzcGVlZHVwIHNvdW5kcyBsaWtlIGZhaWxlZCBIVyBhYnN0cmFjdGlvbi4gOi0pCgpXZWxs IG1lc2EgbmVlZHMgdG8ga25vdyBsbGMgdnMuICFsbGMgYW55d2F5IHRvIG5vdCB0b3RhbGx5IHN1 Y2ssIGFuZApkZWZpbmluZyBlbnRyeSAjMiBhcyAiY29oZXJlbnQsIGFsd2F5cyIgbWFrZXMgc2Vu c2UuIEkgdGhvdWdodCBlbnRyeSAwIHdhcwp0aGUgcmVhb25hYmxlIGRlZmF1bHQgYWthIHB0ZSBw YXNzdGhyb3VnaCBhbmQgaGVuY2UgbWFuYWdlZCBieSBrZXJuZWw/CgpJZiBtZXNhIGFza3MgZm9y IG5vbnNlbnNlLCB0aGUga2VybmVsIGlzIGhhcHB5IHRvIG9ibGlnZS4KLURhbmllbAotLSAKRGFu aWVsIFZldHRlcgpTb2Z0d2FyZSBFbmdpbmVlciwgSW50ZWwgQ29ycG9yYXRpb24KaHR0cDovL2Js b2cuZmZ3bGwuY2gKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4 Cg==