From mboxrd@z Thu Jan 1 00:00:00 1970 From: robert.beckett@intel.com Subject: [PATCH] drm/i915: Detect virtual south bridge Date: Fri, 28 Aug 2015 13:10:22 +0100 Message-ID: <1440763822-11141-1-git-send-email-robert.beckett@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id C4F536E0C6 for ; Fri, 28 Aug 2015 05:08:56 -0700 (PDT) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org RnJvbTogUm9iZXJ0IEJlY2tldHQgPHJvYmVydC5iZWNrZXR0QGludGVsLmNvbT4KClZpcnR1YWxp emVkIHN5c3RlbXMgb2Z0ZW4gdXNlIGEgdmlydHVhbCBQMlg0IHNvdXRoIGJyaWRnZS4KRGV0ZWN0 IHRoaXMgaW4gaW50ZWxfZGV0ZWN0X3BjaCBhbmQgbWFrZSBhIGJlc3QgZ3Vlc3MgYXMgdG8gd2hp Y2ggUENICndlIHNob3VsZCBiZSB1c2luZy4KClRoaXMgd2FzIHNlZW4gb24gdm13YXJlIGVzeGkg aHlwZXJ2aXNvci4gV2hlbiBwYXNzaW5nIHRoZSBncmFwaGljcyBkZXZpY2UKdGhyb3VnaCB0byBh IGd1ZXN0LCBpdCBjYW4gbm90IHBhc3MgdGhyb3VnaCB0aGUgUENILiBJbnN0ZWFkIGl0IHNpbXVs YXRlcwphIFAyWDQgc291dGhicmlkZ2UuCgpTaWduZWQtb2ZmLWJ5OiBSb2JlcnQgQmVja2V0dCA8 cm9iZXJ0LmJlY2tldHRAaW50ZWwuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf ZHJ2LmMgfCAgIDMwICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwogZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9kcnYuaCB8ICAgIDEgKwogMiBmaWxlcyBjaGFuZ2VkLCAzMSBpbnNlcnRp b25zKCspCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuYyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmMKaW5kZXggY2UzYmQwYy4uOGUxNThiMyAxMDA2 NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuYworKysgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pOTE1X2Rydi5jCkBAIC00NDMsNiArNDQzLDM0IEBAIHN0YXRpYyBjb25zdCBz dHJ1Y3QgcGNpX2RldmljZV9pZCBwY2lpZGxpc3RbXSA9IHsJCS8qIGFrYSAqLwogCiBNT0RVTEVf REVWSUNFX1RBQkxFKHBjaSwgcGNpaWRsaXN0KTsKIAorc3RhdGljIGVudW0gaW50ZWxfcGNoIGlu dGVsX3ZpcnRfZGV0ZWN0X3BjaChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2KQoreworCWVudW0gaW50 ZWxfcGNoIHJldCA9IFBDSF9OT1A7CisKKwkvKgorCSAqIEluIGEgdmlydHVhbGl6ZWQgcGFzc3Ro cm91Z2ggZW52aXJvbm1lbnQgd2UgY2FuIGJlIGluIGEKKwkgKiBzZXR1cCB3aGVyZSB0aGUgSVNB IGJyaWRnZSBpcyBub3QgYWJsZSB0byBiZSBwYXNzZWQgdGhyb3VnaC4KKwkgKiBJbiB0aGlzIGNh c2UsIGEgc291dGggYnJpZGdlIGNhbiBiZSBlbXVsYXRlZCBhbmQgd2UgaGF2ZSB0bworCSAqIG1h a2UgYW4gZWR1Y2F0ZWQgZ3Vlc3MgYXMgdG8gd2hpY2ggUENIIGlzIHJlYWxseSB0aGVyZS4KKwkg Ki8KKworCWlmIChJU19HRU41KGRldikpIHsKKwkJcmV0ID0gUENIX0lCWDsKKwkJRFJNX0RFQlVH X0tNUygiQXNzdW1pbmcgSWJleCBQZWFrIFBDSFxuIik7CisJfSBlbHNlIGlmIChJU19HRU42KGRl dikgfHwgSVNfSVZZQlJJREdFKGRldikpIHsKKwkJcmV0ID0gUENIX0NQVDsKKwkJRFJNX0RFQlVH X0tNUygiQXNzdW1pbmcgQ291YXJQb2ludCBQQ0hcbiIpOworCX0gZWxzZSBpZiAoSVNfSEFTV0VM TChkZXYpIHx8IElTX0JST0FEV0VMTChkZXYpKSB7CisJCXJldCA9IFBDSF9MUFQ7CisJCURSTV9E RUJVR19LTVMoIkFzc3VtaW5nIEx5bnhQb2ludCBQQ0hcbiIpOworCX0gZWxzZSBpZiAoSVNfU0tZ TEFLRShkZXYpKSB7CisJCXJldCA9IFBDSF9TUFQ7CisJCURSTV9ERUJVR19LTVMoIkFzc3VtaW5n IFN1bnJpc2VQb2ludCBQQ0hcbiIpOworCX0KKworCXJldHVybiByZXQ7Cit9CisKIHZvaWQgaW50 ZWxfZGV0ZWN0X3BjaChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2KQogewogCXN0cnVjdCBkcm1faTkx NV9wcml2YXRlICpkZXZfcHJpdiA9IGRldi0+ZGV2X3ByaXZhdGU7CkBAIC01MDMsNiArNTMxLDgg QEAgdm9pZCBpbnRlbF9kZXRlY3RfcGNoKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYpCiAJCQkJZGV2 X3ByaXYtPnBjaF90eXBlID0gUENIX1NQVDsKIAkJCQlEUk1fREVCVUdfS01TKCJGb3VuZCBTdW5y aXNlUG9pbnQgTFAgUENIXG4iKTsKIAkJCQlXQVJOX09OKCFJU19TS1lMQUtFKGRldikpOworCQkJ fSBlbHNlIGlmIChpZCA9PSBJTlRFTF9QQ0hfUDJYX0RFVklDRV9JRF9UWVBFKSB7CisJCQkJZGV2 X3ByaXYtPnBjaF90eXBlID0gaW50ZWxfdmlydF9kZXRlY3RfcGNoKGRldik7CiAJCQl9IGVsc2UK IAkJCQljb250aW51ZTsKIApkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9k cnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKaW5kZXggOGM5Mzg0NS4uNmVi MDIzMCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaAorKysgYi9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oCkBAIC0yNTg0LDYgKzI1ODQsNyBAQCBzdHJ1 Y3QgZHJtX2k5MTVfY21kX3RhYmxlIHsKICNkZWZpbmUgSU5URUxfUENIX0xQVF9MUF9ERVZJQ0Vf SURfVFlQRQkJMHg5YzAwCiAjZGVmaW5lIElOVEVMX1BDSF9TUFRfREVWSUNFX0lEX1RZUEUJCTB4 QTEwMAogI2RlZmluZSBJTlRFTF9QQ0hfU1BUX0xQX0RFVklDRV9JRF9UWVBFCQkweDlEMDAKKyNk ZWZpbmUgSU5URUxfUENIX1AyWF9ERVZJQ0VfSURfVFlQRQkJMHg3MTAwCiAKICNkZWZpbmUgSU5U RUxfUENIX1RZUEUoZGV2KSAoX19JOTE1X18oZGV2KS0+cGNoX3R5cGUpCiAjZGVmaW5lIEhBU19Q Q0hfU1BUKGRldikgKElOVEVMX1BDSF9UWVBFKGRldikgPT0gUENIX1NQVCkKLS0gCjEuNy45LjUK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdm eCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==