From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [PATCH] drm/i915: Detect virtual south bridge Date: Fri, 25 Sep 2015 08:31:40 -0700 Message-ID: <560568DC.1030503@virtuousgeek.org> References: <1440763822-11141-1-git-send-email-robert.beckett@intel.com> <56042795.6020409@virtuousgeek.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-pa0-f44.google.com (mail-pa0-f44.google.com [209.85.220.44]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9F9646E0C4 for ; Fri, 25 Sep 2015 08:31:35 -0700 (PDT) Received: by pacex6 with SMTP id ex6so108695222pac.0 for ; Fri, 25 Sep 2015 08:31:35 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: "Tian, Kevin" , "Beckett, Robert" , "intel-gfx@lists.freedesktop.org" List-Id: intel-gfx@lists.freedesktop.org T24gMDkvMjQvMjAxNSAwODo0MSBQTSwgVGlhbiwgS2V2aW4gd3JvdGU6Cj4+IEZyb206IEplc3Nl IEJhcm5lcyBbbWFpbHRvOmpiYXJuZXNAdmlydHVvdXNnZWVrLm9yZ10KPj4gU2VudDogRnJpZGF5 LCBTZXB0ZW1iZXIgMjUsIDIwMTUgMTI6NDEgQU0KPj4KPj4gT24gMDgvMjgvMjAxNSAwNToxMCBB TSwgcm9iZXJ0LmJlY2tldHRAaW50ZWwuY29tIHdyb3RlOgo+Pj4gRnJvbTogUm9iZXJ0IEJlY2tl dHQgPHJvYmVydC5iZWNrZXR0QGludGVsLmNvbT4KPj4+Cj4+PiBWaXJ0dWFsaXplZCBzeXN0ZW1z IG9mdGVuIHVzZSBhIHZpcnR1YWwgUDJYNCBzb3V0aCBicmlkZ2UuCj4+PiBEZXRlY3QgdGhpcyBp biBpbnRlbF9kZXRlY3RfcGNoIGFuZCBtYWtlIGEgYmVzdCBndWVzcyBhcyB0byB3aGljaCBQQ0gK Pj4+IHdlIHNob3VsZCBiZSB1c2luZy4KPj4+Cj4+PiBUaGlzIHdhcyBzZWVuIG9uIHZtd2FyZSBl c3hpIGh5cGVydmlzb3IuIFdoZW4gcGFzc2luZyB0aGUgZ3JhcGhpY3MgZGV2aWNlCj4+PiB0aHJv dWdoIHRvIGEgZ3Vlc3QsIGl0IGNhbiBub3QgcGFzcyB0aHJvdWdoIHRoZSBQQ0guIEluc3RlYWQg aXQgc2ltdWxhdGVzCj4+PiBhIFAyWDQgc291dGhicmlkZ2UuCj4+Pgo+Pj4gU2lnbmVkLW9mZi1i eTogUm9iZXJ0IEJlY2tldHQgPHJvYmVydC5iZWNrZXR0QGludGVsLmNvbT4KPj4+IC0tLQo+Pj4g IGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMgfCAgIDMwCj4+ICsrKysrKysrKysrKysr KysrKysrKysrKysrKysrKwo+Pj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggfCAg ICAxICsKPj4+ICAyIGZpbGVzIGNoYW5nZWQsIDMxIGluc2VydGlvbnMoKykKPj4+Cj4+PiBkaWZm IC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuYyBiL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfZHJ2LmMKPj4+IGluZGV4IGNlM2JkMGMuLjhlMTU4YjMgMTAwNjQ0Cj4+PiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5jCj4+PiArKysgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pOTE1X2Rydi5jCj4+PiBAQCAtNDQzLDYgKzQ0MywzNCBAQCBzdGF0aWMgY29u c3Qgc3RydWN0IHBjaV9kZXZpY2VfaWQgcGNpaWRsaXN0W10gPSB7CQkvKiBha2EKPj4gKi8KPj4+ Cj4+PiAgTU9EVUxFX0RFVklDRV9UQUJMRShwY2ksIHBjaWlkbGlzdCk7Cj4+Pgo+Pj4gK3N0YXRp YyBlbnVtIGludGVsX3BjaCBpbnRlbF92aXJ0X2RldGVjdF9wY2goc3RydWN0IGRybV9kZXZpY2Ug KmRldikKPj4+ICt7Cj4+PiArCWVudW0gaW50ZWxfcGNoIHJldCA9IFBDSF9OT1A7Cj4+PiArCj4+ PiArCS8qCj4+PiArCSAqIEluIGEgdmlydHVhbGl6ZWQgcGFzc3Rocm91Z2ggZW52aXJvbm1lbnQg d2UgY2FuIGJlIGluIGEKPj4+ICsJICogc2V0dXAgd2hlcmUgdGhlIElTQSBicmlkZ2UgaXMgbm90 IGFibGUgdG8gYmUgcGFzc2VkIHRocm91Z2guCj4+PiArCSAqIEluIHRoaXMgY2FzZSwgYSBzb3V0 aCBicmlkZ2UgY2FuIGJlIGVtdWxhdGVkIGFuZCB3ZSBoYXZlIHRvCj4+PiArCSAqIG1ha2UgYW4g ZWR1Y2F0ZWQgZ3Vlc3MgYXMgdG8gd2hpY2ggUENIIGlzIHJlYWxseSB0aGVyZS4KPj4+ICsJICov Cj4+PiArCj4+PiArCWlmIChJU19HRU41KGRldikpIHsKPj4+ICsJCXJldCA9IFBDSF9JQlg7Cj4+ PiArCQlEUk1fREVCVUdfS01TKCJBc3N1bWluZyBJYmV4IFBlYWsgUENIXG4iKTsKPj4+ICsJfSBl bHNlIGlmIChJU19HRU42KGRldikgfHwgSVNfSVZZQlJJREdFKGRldikpIHsKPj4+ICsJCXJldCA9 IFBDSF9DUFQ7Cj4+PiArCQlEUk1fREVCVUdfS01TKCJBc3N1bWluZyBDb3VhclBvaW50IFBDSFxu Iik7Cj4+PiArCX0gZWxzZSBpZiAoSVNfSEFTV0VMTChkZXYpIHx8IElTX0JST0FEV0VMTChkZXYp KSB7Cj4+PiArCQlyZXQgPSBQQ0hfTFBUOwo+Pj4gKwkJRFJNX0RFQlVHX0tNUygiQXNzdW1pbmcg THlueFBvaW50IFBDSFxuIik7Cj4+PiArCX0gZWxzZSBpZiAoSVNfU0tZTEFLRShkZXYpKSB7Cj4+ PiArCQlyZXQgPSBQQ0hfU1BUOwo+Pj4gKwkJRFJNX0RFQlVHX0tNUygiQXNzdW1pbmcgU3Vucmlz ZVBvaW50IFBDSFxuIik7Cj4+PiArCX0KPj4+ICsKPj4+ICsJcmV0dXJuIHJldDsKPj4+ICt9Cj4+ PiArCj4+PiAgdm9pZCBpbnRlbF9kZXRlY3RfcGNoKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYpCj4+ PiAgewo+Pj4gIAlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBkZXYtPmRldl9w cml2YXRlOwo+Pj4gQEAgLTUwMyw2ICs1MzEsOCBAQCB2b2lkIGludGVsX2RldGVjdF9wY2goc3Ry dWN0IGRybV9kZXZpY2UgKmRldikKPj4+ICAJCQkJZGV2X3ByaXYtPnBjaF90eXBlID0gUENIX1NQ VDsKPj4+ICAJCQkJRFJNX0RFQlVHX0tNUygiRm91bmQgU3VucmlzZVBvaW50IExQIFBDSFxuIik7 Cj4+PiAgCQkJCVdBUk5fT04oIUlTX1NLWUxBS0UoZGV2KSk7Cj4+PiArCQkJfSBlbHNlIGlmIChp ZCA9PSBJTlRFTF9QQ0hfUDJYX0RFVklDRV9JRF9UWVBFKSB7Cj4+PiArCQkJCWRldl9wcml2LT5w Y2hfdHlwZSA9IGludGVsX3ZpcnRfZGV0ZWN0X3BjaChkZXYpOwo+Pj4gIAkJCX0gZWxzZQo+Pj4g IAkJCQljb250aW51ZTsKPj4+Cj4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9kcnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKPj4+IGluZGV4IDhj OTM4NDUuLjZlYjAyMzAgMTAwNjQ0Cj4+PiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1 X2Rydi5oCj4+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oCj4+PiBAQCAt MjU4NCw2ICsyNTg0LDcgQEAgc3RydWN0IGRybV9pOTE1X2NtZF90YWJsZSB7Cj4+PiAgI2RlZmlu ZSBJTlRFTF9QQ0hfTFBUX0xQX0RFVklDRV9JRF9UWVBFCQkweDljMDAKPj4+ICAjZGVmaW5lIElO VEVMX1BDSF9TUFRfREVWSUNFX0lEX1RZUEUJCTB4QTEwMAo+Pj4gICNkZWZpbmUgSU5URUxfUENI X1NQVF9MUF9ERVZJQ0VfSURfVFlQRQkJMHg5RDAwCj4+PiArI2RlZmluZSBJTlRFTF9QQ0hfUDJY X0RFVklDRV9JRF9UWVBFCQkweDcxMDAKPj4+Cj4+PiAgI2RlZmluZSBJTlRFTF9QQ0hfVFlQRShk ZXYpIChfX0k5MTVfXyhkZXYpLT5wY2hfdHlwZSkKPj4+ICAjZGVmaW5lIEhBU19QQ0hfU1BUKGRl dikgKElOVEVMX1BDSF9UWVBFKGRldikgPT0gUENIX1NQVCkKPj4+Cj4+Cj4+IEFzc3VtaW5nIEtl dmluIGlzIG9rIHdpdGggdGhpczoKPj4gUmV2aWV3ZWQtYnk6IEplc3NlIEJhcm5lcyA8amJhcm5l c0B2aXJ0dW91c2dlZWsub3JnPgo+IAo+IFllcywgSSdtIE9LIHdpdGggdGhpcyBjaGFuZ2UuIEp1 c3Qgb25lIGNvbW1lbnQuIERvZXMgaXQgbWFrZQo+IHNlbnNlIHRvIGFsd2F5cyBoYXZlIHRoZSBn dWVzcyBhcyB0aGUgZmFsbGJhY2ssIGluc3RlYWQgb2Ygb25seQo+IGZvciBQMlg/IElmIG5hdGl2 ZSBzaWRlIGlzIE9LIHdpdGggdGhpcywgaXQgd2lsbCByZW1vdmUgdGhlIG5lZWQgCj4gdG8gYWRk IG1vcmUgSURzIGZvciBkaWZmZXJlbnQgaHlwZXJ2aXNvcnMgaW4gdGhlIGZ1dHVyZS4uLgoKWWVh aCwgYXQgdGhpcyBwb2ludCBJIGRvbid0IHRoaW5rIHdlIGhhdmUgbWl4ICYgbWF0Y2ggY2FzZXMg dG8gd29ycnkKYWJvdXQsIHNvIHdlIGNvdWxkIGd1ZXNzIGJhc2VkIG9uIHRoZSBHUFUgdHlwZSBh Y3Jvc3MgdGhlIGJvYXJkLgoKSmVzc2UKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4Cg==