From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jindal, Sonika" Subject: Re: [PATCH] drm/i915/bxt: WA for swapped HPD pins in A stepping Date: Mon, 13 Jul 2015 13:41:36 +0530 Message-ID: <55A372B8.9060607@intel.com> References: <1436761070-29138-1-git-send-email-sonika.jindal@intel.com> <55A35B39.5010505@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id CFBCB6E0DF for ; Mon, 13 Jul 2015 01:11:39 -0700 (PDT) In-Reply-To: <55A35B39.5010505@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Sivakumar Thulasimani Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org CgpPbiA3LzEzLzIwMTUgMTI6MDEgUE0sIFNpdmFrdW1hciBUaHVsYXNpbWFuaSB3cm90ZToKPgo+ Cj4gT24gNy8xMy8yMDE1IDk6NDcgQU0sIFNvbmlrYSBKaW5kYWwgd3JvdGU6Cj4+IEFzIHBlciBi c3BlYywgb24gQlhUIEEwL0ExLCBzdyBuZWVkcyB0byBhY3RpdmF0ZSBERElBIEhQRCBsb2dpYwo+ PiBhbmQgaW50ZXJydXB0cyB0byBjaGVjayB0aGUgZXh0ZXJuYWwgcGFuZWwgY29ubmVjdGlvbi4K Pj4gQW5kIHJlbW92ZSB0aGUgcmVkdW5kYW50IGNvbW1lbnQuCj4+Cj4+IHYyOiBSZW1vdmUgcmVk dW5kYW50IElTX0JST1hUT04gY2hlY2ssIEFkZCBjb21tZW50IGFib3V0IHBvcnQgQyBub3QKPj4g Y29ubmVjdGVkLCBhbmQgcmVwaHJhc2UgdGhlIGNvbW1pdCBtZXNzYWdlIHRvIGluY2x1ZGUgb25s eSB3aGF0IHdlCj4+IGFyZSBkb2luZyBoZXJlIChJbXJlKQo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBT b25pa2EgSmluZGFsIDxzb25pa2EuamluZGFsQGludGVsLmNvbT4KPj4gLS0tCj4+ICAgZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYyB8ICAgMzgKPj4gKysrKysrKysrKysrKysrKysrKysr KysrKysrKystLS0tLS0tLS0KPj4gICAxIGZpbGUgY2hhbmdlZCwgMjkgaW5zZXJ0aW9ucygrKSwg OSBkZWxldGlvbnMoLSkKPj4KPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5 MTVfaXJxLmMKPj4gYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5jCj4+IGluZGV4IGVi NTJhMDMuLjc2MDUzOWMgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf aXJxLmMKPj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYwo+PiBAQCAtODgs NyArODgsMTEgQEAgc3RhdGljIGNvbnN0IHUzMiBocGRfc3RhdHVzX2k5MTVbSFBEX05VTV9QSU5T XSA9IHsKPj4gICAgICAgW0hQRF9QT1JUX0RdID0gUE9SVERfSE9UUExVR19JTlRfU1RBVFVTCj4+ ICAgfTsKPj4gLS8qIEJYVCBocGQgbGlzdCAqLwo+PiArLyogUG9ydCBDIGlzIG5vdCBjb25uZWN0 ZWQgb24gYnh0IEEwL0ExICovCj4+ICtzdGF0aWMgY29uc3QgdTMyIGhwZF9ieHRfYTBbSFBEX05V TV9QSU5TXSA9IHsKPj4gKyAgICBbSFBEX1BPUlRfQl0gPSBCWFRfREVfUE9SVF9IUF9ERElBCj4+ ICt9Owo+PiArCj4+ICAgc3RhdGljIGNvbnN0IHUzMiBocGRfYnh0W0hQRF9OVU1fUElOU10gPSB7 Cj4+ICAgICAgIFtIUERfUE9SVF9CXSA9IEJYVF9ERV9QT1JUX0hQX0RESUIsCj4+ICAgICAgIFtI UERfUE9SVF9DXSA9IEJYVF9ERV9QT1JUX0hQX0RESUMKPj4gQEAgLTIyNTcsNiArMjI2MSw3IEBA IHN0YXRpYyB2b2lkIGJ4dF9ocGRfaGFuZGxlcihzdHJ1Y3QgZHJtX2RldmljZQo+PiAqZGV2LCB1 aW50MzJfdCBpaXJfc3RhdHVzKQo+PiAgICAgICBzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2 X3ByaXYgPSBkZXYtPmRldl9wcml2YXRlOwo+PiAgICAgICB1MzIgaHBfY29udHJvbCwgaHBfdHJp Z2dlcjsKPj4gICAgICAgdTMyIHBpbl9tYXNrLCBsb25nX21hc2s7Cj4+ICsgICAgY29uc3QgdTMy ICpocGQ7Cj4+ICAgICAgIC8qIEdldCB0aGUgc3RhdHVzICovCj4+ICAgICAgIGhwX3RyaWdnZXIg PSBpaXJfc3RhdHVzICYgQlhUX0RFX1BPUlRfSE9UUExVR19NQVNLOwo+PiBAQCAtMjI3MSw3ICsy Mjc2LDEyIEBAIHN0YXRpYyB2b2lkIGJ4dF9ocGRfaGFuZGxlcihzdHJ1Y3QgZHJtX2RldmljZQo+ PiAqZGV2LCB1aW50MzJfdCBpaXJfc3RhdHVzKQo+PiAgICAgICAvKiBDbGVhciBzdGlja3kgYml0 cyBpbiBocGQgc3RhdHVzICovCj4+ICAgICAgIEk5MTVfV1JJVEUoQlhUX0hPVFBMVUdfQ1RMLCBo cF9jb250cm9sKTsKPj4gLSAgICBwY2hfZ2V0X2hwZF9waW5zKCZwaW5fbWFzaywgJmxvbmdfbWFz aywgaHBfdHJpZ2dlciwgaHBfY29udHJvbCwKPj4gaHBkX2J4dCk7Cj4+ICsgICAgaWYgKElOVEVM X1JFVklEKGRldikgPCBCWFRfUkVWSURfQjApCj4+ICsgICAgICAgIGhwZCA9IGhwZF9ieHRfYTA7 Cj4+ICsgICAgZWxzZQo+PiArICAgICAgICBocGQgPSBocGRfYnh0Owo+PiArCj4+ICsgICAgcGNo X2dldF9ocGRfcGlucygmcGluX21hc2ssICZsb25nX21hc2ssIGhwX3RyaWdnZXIsIGhwX2NvbnRy b2wsCj4+IGhwZCk7Cj4+ICAgICAgIGludGVsX2hwZF9pcnFfaGFuZGxlcihkZXYsIHBpbl9tYXNr LCBsb25nX21hc2spOwo+PiAgIH0KPj4gQEAgLTMzMTUsOCArMzMyNSwxNSBAQCBzdGF0aWMgdm9p ZCBieHRfaHBkX2lycV9zZXR1cChzdHJ1Y3QgZHJtX2RldmljZQo+PiAqZGV2KQo+PiAgICAgICAv KiBOb3csIGVuYWJsZSBIUEQgKi8KPj4gICAgICAgZm9yX2VhY2hfaW50ZWxfZW5jb2RlcihkZXYs IGludGVsX2VuY29kZXIpIHsKPj4gICAgICAgICAgIGlmIChkZXZfcHJpdi0+aG90cGx1Zy5zdGF0 c1tpbnRlbF9lbmNvZGVyLT5ocGRfcGluXS5zdGF0ZQo+PiAtICAgICAgICAgICAgICAgID09IEhQ RF9FTkFCTEVEKQo+PiAtICAgICAgICAgICAgaG90cGx1Z19wb3J0IHw9IGhwZF9ieHRbaW50ZWxf ZW5jb2Rlci0+aHBkX3Bpbl07Cj4+ICsgICAgICAgICAgICAgICAgPT0gSFBEX0VOQUJMRUQpIHsK Pj4gKyAgICAgICAgICAgIGNvbnN0IHUzMiAqaHBkOwo+PiArCj4+ICsgICAgICAgICAgICBpZiAo SU5URUxfUkVWSUQoZGV2KSA8IEJYVF9SRVZJRF9CMCkKPj4gKyAgICAgICAgICAgICAgICBocGQg PSBocGRfYnh0X2EwOwo+PiArICAgICAgICAgICAgZWxzZQo+PiArICAgICAgICAgICAgICAgIGhw ZCA9IGhwZF9ieHQ7Cj4+ICsgICAgICAgICAgICBob3RwbHVnX3BvcnQgfD0gaHBkW2ludGVsX2Vu Y29kZXItPmhwZF9waW5dOwo+PiArICAgICAgICB9Cj4+ICAgICAgIH0KPiBocGQgaW5pdGlhbGl6 YXRpb24gY2FuIGJlIG1vdmVkIG91dCBzbyBpdCBpcyBkb25lIG9uY2UgaW5zdGVhZCBvZiBiZWlu Zwo+IHJlcGVhdGVkIGZvciBlYWNoIGVuY29kZXIuClN1cmUuCgo+Cj4+ICAgICAgIC8qIE1hc2sg YWxsIEhQRCBjb250cm9sIGJpdHMgKi8KPj4gQEAgLTMzMjQsMTEgKzMzNDEsMTQgQEAgc3RhdGlj IHZvaWQgYnh0X2hwZF9pcnFfc2V0dXAoc3RydWN0Cj4+IGRybV9kZXZpY2UgKmRldikKPj4gICAg ICAgLyogRW5hYmxlIHJlcXVlc3RlZCBwb3J0IGluIGhvdHBsdWcgY29udHJvbCAqLwo+PiAgICAg ICAvKiBUT0RPOiBpbXBsZW1lbnQgKHNob3J0KSBIUEQgc3VwcG9ydCBvbiBwb3J0IEEgKi8KPj4g LSAgICBXQVJOX09OX09OQ0UoaG90cGx1Z19wb3J0ICYgQlhUX0RFX1BPUlRfSFBfRERJQSk7Cj4+ IC0gICAgaWYgKGhvdHBsdWdfcG9ydCAmIEJYVF9ERV9QT1JUX0hQX0RESUIpCj4+IC0gICAgICAg IGhvdHBsdWdfY3RybCB8PSBCWFRfRERJQl9IUERfRU5BQkxFOwo+PiAtICAgIGlmIChob3RwbHVn X3BvcnQgJiBCWFRfREVfUE9SVF9IUF9ERElDKQo+PiAtICAgICAgICBob3RwbHVnX2N0cmwgfD0g QlhUX0RESUNfSFBEX0VOQUJMRTsKPj4gKyAgICBpZiAoSU5URUxfUkVWSUQoZGV2KSA8IEJYVF9S RVZJRF9CMCAmJiAoaG90cGx1Z19wb3J0ICYKPj4gQlhUX0RFX1BPUlRfSFBfRERJQSkpCj4+ICsg ICAgICAgICAgICBob3RwbHVnX2N0cmwgfD0gQlhUX0RESUFfSFBEX0VOQUJMRTsKPiBjYW4geW91 IGFkZCBhIGNvbW1lbnQgaGVyZSBzdGF0aW5nIHRoZSBzd2FwIGluIGhwZCBwaW5zID8KPiBhcyBp IGFtIG5vdCBzdXJlIG5vdCBldmVyeW9uZSB3aWxsIGZpcnN0IGNoZWNrIHRoZSBjb21taXQgbWVz c2FnZSBmb3IKPiB0aGUgY2hhbmdlIGhlcmUuCk9rLCBJJ2wgYWRkCgo+PiArICAgIGVsc2Ugewo+ PiArICAgICAgICBpZiAoaG90cGx1Z19wb3J0ICYgQlhUX0RFX1BPUlRfSFBfRERJQikKPj4gKyAg ICAgICAgICAgIGhvdHBsdWdfY3RybCB8PSBCWFRfRERJQl9IUERfRU5BQkxFOwo+PiArICAgICAg ICBpZiAoaG90cGx1Z19wb3J0ICYgQlhUX0RFX1BPUlRfSFBfRERJQykKPj4gKyAgICAgICAgICAg IGhvdHBsdWdfY3RybCB8PSBCWFRfRERJQ19IUERfRU5BQkxFOwo+PiArICAgIH0KPj4gICAgICAg STkxNV9XUklURShCWFRfSE9UUExVR19DVEwsIGhvdHBsdWdfY3RybCk7Cj4+ICAgICAgIC8qIFVu bWFzayBEREkgaG90cGx1ZyBpbiBJTVIgKi8KPj4KPj4KPgo+Cl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==