From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sivakumar Thulasimani Subject: Re: [PATCH 2/3] drm/i915/bxt: Add HPD support for DDIA Date: Mon, 10 Aug 2015 10:57:09 +0530 Message-ID: <55C8362D.2010907@intel.com> References: <1439183136-23798-1-git-send-email-sonika.jindal@intel.com> <1439183136-23798-3-git-send-email-sonika.jindal@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 825FD6E184 for ; Sun, 9 Aug 2015 22:27:12 -0700 (PDT) In-Reply-To: <1439183136-23798-3-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 , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org UmV2aWV3ZWQtYnk6IFNpdmFrdW1hciBUaHVsYXNpbWFuaSA8c2l2YWt1bWFyLnRodWxhc2ltYW5p QGludGVsLmNvbT4KCk9uIDgvMTAvMjAxNSAxMDozNSBBTSwgU29uaWthIEppbmRhbCB3cm90ZToK PiBBbHNvIHJlbW92ZSByZWR1bmRhbnQgY29tbWVudHMuCj4KPiBTaWduZWQtb2ZmLWJ5OiBTb25p a2EgSmluZGFsIDxzb25pa2EuamluZGFsQGludGVsLmNvbT4KPiAtLS0KPiAgIGRyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfaXJxLmMgfCAgIDEwICsrKy0tLS0tLS0KPiAgIDEgZmlsZSBjaGFuZ2Vk LCAzIGluc2VydGlvbnMoKyksIDcgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV9pcnEuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfaXJx LmMKPiBpbmRleCAwMmI5ZTczLi45Yjk1MzNhIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2k5MTVfaXJxLmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2lycS5j Cj4gQEAgLTkwLDYgKzkwLDcgQEAgc3RhdGljIGNvbnN0IHUzMiBocGRfc3RhdHVzX2k5MTVbSFBE X05VTV9QSU5TXSA9IHsKPiAgIAo+ICAgLyogQlhUIGhwZCBsaXN0ICovCj4gICBzdGF0aWMgY29u c3QgdTMyIGhwZF9ieHRbSFBEX05VTV9QSU5TXSA9IHsKPiArCVtIUERfUE9SVF9BXSA9IEJYVF9E RV9QT1JUX0hQX0RESUEsCj4gICAJW0hQRF9QT1JUX0JdID0gQlhUX0RFX1BPUlRfSFBfRERJQiwK PiAgIAlbSFBEX1BPUlRfQ10gPSBCWFRfREVfUE9SVF9IUF9ERElDCj4gICB9Owo+IEBAIC0zMDE4 LDMwICszMDE5LDI1IEBAIHN0YXRpYyB2b2lkIGJ4dF9ocGRfaXJxX3NldHVwKHN0cnVjdCBkcm1f ZGV2aWNlICpkZXYpCj4gICAJdTMyIGhvdHBsdWdfcG9ydCA9IDA7Cj4gICAJdTMyIGhvdHBsdWdf Y3RybDsKPiAgIAo+IC0JLyogTm93LCBlbmFibGUgSFBEICovCj4gICAJZm9yX2VhY2hfaW50ZWxf ZW5jb2RlcihkZXYsIGludGVsX2VuY29kZXIpIHsKPiAgIAkJaWYgKGRldl9wcml2LT5ob3RwbHVn LnN0YXRzW2ludGVsX2VuY29kZXItPmhwZF9waW5dLnN0YXRlCj4gICAJCQkJPT0gSFBEX0VOQUJM RUQpCj4gICAJCQlob3RwbHVnX3BvcnQgfD0gaHBkX2J4dFtpbnRlbF9lbmNvZGVyLT5ocGRfcGlu XTsKPiAgIAl9Cj4gICAKPiAtCS8qIE1hc2sgYWxsIEhQRCBjb250cm9sIGJpdHMgKi8KPiAgIAlo b3RwbHVnX2N0cmwgPSBJOTE1X1JFQUQoQlhUX0hPVFBMVUdfQ1RMKSAmIH5CWFRfSE9UUExVR19D VExfTUFTSzsKPiAgIAo+IC0JLyogRW5hYmxlIHJlcXVlc3RlZCBwb3J0IGluIGhvdHBsdWcgY29u dHJvbCAqLwo+IC0JLyogVE9ETzogaW1wbGVtZW50IChzaG9ydCkgSFBEIHN1cHBvcnQgb24gcG9y dCBBICovCj4gLQlXQVJOX09OX09OQ0UoaG90cGx1Z19wb3J0ICYgQlhUX0RFX1BPUlRfSFBfRERJ QSk7Cj4gKwlpZiAoaG90cGx1Z19wb3J0ICYgQlhUX0RFX1BPUlRfSFBfRERJQSkKPiArCQlob3Rw bHVnX2N0cmwgfD0gQlhUX0RESUFfSFBEX0VOQUJMRTsKPiAgIAlpZiAoaG90cGx1Z19wb3J0ICYg QlhUX0RFX1BPUlRfSFBfRERJQikKPiAgIAkJaG90cGx1Z19jdHJsIHw9IEJYVF9ERElCX0hQRF9F TkFCTEU7Cj4gICAJaWYgKGhvdHBsdWdfcG9ydCAmIEJYVF9ERV9QT1JUX0hQX0RESUMpCj4gICAJ CWhvdHBsdWdfY3RybCB8PSBCWFRfRERJQ19IUERfRU5BQkxFOwo+ICAgCUk5MTVfV1JJVEUoQlhU X0hPVFBMVUdfQ1RMLCBob3RwbHVnX2N0cmwpOwo+ICAgCj4gLQkvKiBVbm1hc2sgRERJIGhvdHBs dWcgaW4gSU1SICovCj4gICAJaG90cGx1Z19jdHJsID0gSTkxNV9SRUFEKEdFTjhfREVfUE9SVF9J TVIpICYgfmhvdHBsdWdfcG9ydDsKPiAgIAlJOTE1X1dSSVRFKEdFTjhfREVfUE9SVF9JTVIsIGhv dHBsdWdfY3RybCk7Cj4gICAKPiAtCS8qIEVuYWJsZSBEREkgaG90cGx1ZyBpbiBJRVIgKi8KPiAg IAlob3RwbHVnX2N0cmwgPSBJOTE1X1JFQUQoR0VOOF9ERV9QT1JUX0lFUikgfCBob3RwbHVnX3Bv cnQ7Cj4gICAJSTkxNV9XUklURShHRU44X0RFX1BPUlRfSUVSLCBob3RwbHVnX2N0cmwpOwo+ICAg CVBPU1RJTkdfUkVBRChHRU44X0RFX1BPUlRfSUVSKTsKCi0tIApyZWdhcmRzLApTaXZha3VtYXIK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdm eCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==