From mboxrd@z Thu Jan 1 00:00:00 1970 From: Imre Deak Subject: Re: [PATCH] drm/i915/bxt: WA for swapped HPD pins in A stepping Date: Fri, 17 Jul 2015 16:47:33 -0700 Message-ID: <1437176853.16420.44.camel@intel.com> References: <55A884A1.2000808@intel.com> <1437121022-28678-1-git-send-email-sonika.jindal@intel.com> Reply-To: imre.deak@intel.com Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 481E26E0A3 for ; Fri, 17 Jul 2015 16:47:34 -0700 (PDT) In-Reply-To: <1437121022-28678-1-git-send-email-sonika.jindal@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Sonika Jindal Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCAyMDE1LTA3LTE3IGF0IDEzOjQ3ICswNTMwLCBTb25pa2EgSmluZGFsIHdyb3RlOgo+ IEFzIHBlciBic3BlYywgb24gQlhUIEEwL0ExLCBzdyBuZWVkcyB0byBhY3RpdmF0ZSBERElBIEhQ RCBsb2dpYwo+IGFuZCBpbnRlcnJ1cHRzIHRvIGNoZWNrIHRoZSBleHRlcm5hbCBwYW5lbCBjb25u ZWN0aW9uIGFuZCBERElDIEhQRAo+IGxvZ2ljIGZvciBlZHAgcGFuZWwuCj4gCj4gdjI6IEZvciBE UCwgaXJxX3BvcnQgaXMgdXNlZCB0byBkZXRlcm1pbmUgdGhlIGVuY29kZXIgaW5zdGVhZCBvZgo+ IGhwZF9waW4gYW5kIHJlbW92aW5nIHRoZSBlZHAgSFBEIGxvZ2ljIGJlY2F1c2UgcG9ydCBBIEhQ RCBpcyBub3QKPiBwcmVzZW50KEltcmUpCj4gCj4gU2lnbmVkLW9mZi1ieTogU29uaWthIEppbmRh bCA8c29uaWthLmppbmRhbEBpbnRlbC5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RkaS5jICB8ICAgMTAgKysrKysrKysrLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9oZG1pLmMgfCAgICA5ICsrKysrKysrLQo+ICAyIGZpbGVzIGNoYW5nZWQsIDE3IGluc2Vy dGlvbnMoKyksIDIgZGVsZXRpb25zKC0pCj4gCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2RkaS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMKPiBp bmRleCBlMmM2ZjczLi43NzdlM2EzIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RkaS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGRpLmMKPiBA QCAtMzIyNSw3ICszMjI1LDE1IEBAIHZvaWQgaW50ZWxfZGRpX2luaXQoc3RydWN0IGRybV9kZXZp Y2UgKmRldiwgZW51bSBwb3J0IHBvcnQpCj4gIAkJCWdvdG8gZXJyOwo+ICAKPiAgCQlpbnRlbF9k aWdfcG9ydC0+aHBkX3B1bHNlID0gaW50ZWxfZHBfaHBkX3B1bHNlOwo+IC0JCWRldl9wcml2LT5o b3RwbHVnLmlycV9wb3J0W3BvcnRdID0gaW50ZWxfZGlnX3BvcnQ7Cj4gKwkJLyoKPiArCQkgKiBP biBCWFQgQTAvQTEsIHN3IG5lZWRzIHRvIGFjdGl2YXRlIERESUEgSFBEIGxvZ2ljIGFuZAo+ICsJ CSAqIGludGVycnVwdHMgdG8gY2hlY2sgdGhlIGV4dGVybmFsIHBhbmVsIGNvbm5lY3Rpb24uCj4g KwkJICovCj4gKwkJaWYgKElTX0JST1hUT04oZGV2X3ByaXYpICYmIChJTlRFTF9SRVZJRChkZXYp IDwgQlhUX1JFVklEX0IwKQo+ICsJCQkJCSAmJiBwb3J0ID09IFBPUlRfQikKPiArCQkJZGV2X3By aXYtPmhvdHBsdWcuaXJxX3BvcnRbUE9SVF9BXSA9IGludGVsX2RpZ19wb3J0OwoKVGhpcyBoYXBw ZW5zIHRvIHdvcmsgYnV0IGlzIGNvbmZ1c2luZy4gaXJxX3BvcnRbUE9SVF9BXSB3aWxsIGJlIHNl dCBoZXJlCmFscmVhZHkgYW5kIHRoZSBhYm92ZSB3aWxsIHNpbXBseSBvdmVyd3JpdGUgaXQgd2l0 aG91dCBleHBsYW5hdGlvbi4gSQp3b3VsZCBhbHNvIGhhbmRsZSB0aGUgcG9ydCA9PSBQT1JUX0Eg Y2FzZSBhbmQgbm90IHNldCBpcnFfcG9ydCBmb3IgaXQuCgpUaGUgc2FtZSBzd2FwcGluZyBmb3Ig aHBkX3BpbiBpcyBtaXNzaW5nIGZyb20gaW50ZWxfZHBfaW5pdF9jb25uZWN0b3IoKS4KCj4gKwkJ ZWxzZQo+ICsJCQlkZXZfcHJpdi0+aG90cGx1Zy5pcnFfcG9ydFtwb3J0XSA9IGludGVsX2RpZ19w b3J0Owo+ICAJfQo+ICAKPiAgCS8qIEluIHRoZW9yeSB3ZSBkb24ndCBuZWVkIHRoZSBlbmNvZGVy LT50eXBlIGNoZWNrLCBidXQgbGVhdmUgaXQganVzdCBpbgo+IGRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9o ZG1pLmMKPiBpbmRleCA3MGJhZDViLi45NGZhNzE2IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX2hkbWkuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVs X2hkbWkuYwo+IEBAIC0xOTczLDcgKzE5NzMsMTQgQEAgdm9pZCBpbnRlbF9oZG1pX2luaXRfY29u bmVjdG9yKHN0cnVjdCBpbnRlbF9kaWdpdGFsX3BvcnQgKmludGVsX2RpZ19wb3J0LAo+ICAJCQlp bnRlbF9oZG1pLT5kZGNfYnVzID0gR01CVVNfUElOXzFfQlhUOwo+ICAJCWVsc2UKPiAgCQkJaW50 ZWxfaGRtaS0+ZGRjX2J1cyA9IEdNQlVTX1BJTl9EUEI7Cj4gLQkJaW50ZWxfZW5jb2Rlci0+aHBk X3BpbiA9IEhQRF9QT1JUX0I7Cj4gKwkJLyoKPiArCQkgKiBPbiBCWFQgQTAvQTEsIHN3IG5lZWRz IHRvIGFjdGl2YXRlIERESUEgSFBEIGxvZ2ljIGFuZAo+ICsJCSAqIGludGVycnVwdHMgdG8gY2hl Y2sgdGhlIGV4dGVybmFsIHBhbmVsIGNvbm5lY3Rpb24uCj4gKwkJICovCj4gKwkJaWYgKElTX0JS T1hUT04oZGV2X3ByaXYpICYmIChJTlRFTF9SRVZJRChkZXYpIDwgQlhUX1JFVklEX0IwKSkKPiAr CQkJaW50ZWxfZW5jb2Rlci0+aHBkX3BpbiA9IEhQRF9QT1JUX0E7Cj4gKwkJZWxzZQo+ICsJCQlp bnRlbF9lbmNvZGVyLT5ocGRfcGluID0gSFBEX1BPUlRfQjsKPiAgCQlicmVhazsKPiAgCWNhc2Ug UE9SVF9DOgo+ICAJCWlmIChJU19CUk9YVE9OKGRldl9wcml2KSkKCkFzIEkgZWFybGllciBwb2lu dGVkIG91dCB3aXRoIHRoZSBhYm92ZSBhcHByb2FjaCwgeW91IG5lZWQgdG8gYWRkCnN1cHBvcnQg Zm9yIEhQRCBldmVudHMgb24gdGhlIEhQRF9QT1JUX0EgcGluLiBJZiB5b3UgbG9vayBhdCB0aGUK Zm9yX2VhY2hfaHBkX3BpbigpIG1hY3JvIGFuZCBpbnRlbF9ocGRfaXJxX2hhbmRsZXIoKS9pc19k aWdfcG9ydCB5b3UnbGwKbm90aWNlIHRoYXQgYW55IGludGVycnVwdCBldmVudCBvbiB0aGUgSFBE X1BPUlRfQSBwaW4gd2lsbCBiZSBpZ25vcmVkCm5vdy4KCi0tSW1yZQoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJ bnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK