From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ramalingam C Subject: Re: [PATCH 1/2] drm/i915/BXT: Fixed COS blanking issue Date: Wed, 03 Feb 2016 17:48:48 +0530 Message-ID: <56B1F028.8020506@intel.com> References: <1454435657-29027-1-git-send-email-ramalingam.c@intel.com> <8737ta2knw.fsf@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id DA9296E6C2 for ; Wed, 3 Feb 2016 04:26:35 -0800 (PST) In-Reply-To: <8737ta2knw.fsf@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org SGksCgpPbiBXZWRuZXNkYXkgMDMgRmVicnVhcnkgMjAxNiAwMzoxNCBQTSwgSmFuaSBOaWt1bGEg d3JvdGU6Cj4gT24gVHVlLCAwMiBGZWIgMjAxNiwgUmFtYWxpbmdhbSBDIDxyYW1hbGluZ2FtLmNA aW50ZWwuY29tPiB3cm90ZToKPj4gRnJvbTogVW1hIFNoYW5rYXIgPHVtYS5zaGFua2FyQGludGVs LmNvbT4KPj4KPj4gRHVyaW5nIENoYXJnaW5nIE9TIG1vZGUsIG1pcGkgZGlzcGxheSB3YXMgYmxh bmtpbmcuVGhpcyBpcwo+PiBiZWNhdXNlIGR1cmluZyBkcml2ZXIgbG9hZCwgdGhvdWdoIGVuY29k ZXIsIGNvbm5lY3RvciB3ZXJlCj4+IGFjdGl2ZSBidXQgY3J0YyByZXR1cm5lZCBpbmFjdGl2ZS4g VGhpcyBjYXVzZWQgc2FuaXRpemUKPj4gZnVuY3Rpb24gdG8gZGlzYWJsZSB0aGUgRFNJIHBhbmVs LiBJbiBBT1MsIHRoaXMgaXMgZmluZQo+PiBzaW5jZSBIV0Mgd2lsbCBkbyBhIG1vZGVzZXQgYW5k IGNydGMsIGNvbm5lY3RvciwgZW5jb2Rlcgo+PiBtYXBwaW5nIHdpbGwgYmUgcmVzdG9yZWQuIEJ1 dCBpbiBDT1MsIG5vIG1vZGVzZXQgaXMgY2FsbGVkLAo+PiBpdCBqdXN0IGNhbGxzIERQTVMgT04v T0ZGLgo+Pgo+PiBUaGlzIGlzIGZpbmUgb24gQllUL0NIVCBzaW5jZSB0cmFuc2NvZGVyIGlzIGNv bW1vbiBiL3cKPj4gYWxsIGVuY29kZXJzLiBCdXQgZm9yIEJYVCwgdGhlcmUgaXMgYSBzZXBhcmF0 ZSBtaXBpCj4+IHRyYW5zY29kZXIuIEhlbmNlIHRoaXMgbmVlZHMgc3BlY2lhbCBoYW5kbGluZyBm b3IgQlhULgo+Pgo+PiBTaWduZWQtb2ZmLWJ5OiBVbWEgU2hhbmthciA8dW1hLnNoYW5rYXJAaW50 ZWwuY29tPgo+PiBTaWduZWQtb2ZmLWJ5OiBSYW1hbGluZ2FtIEMgPHJhbWFsaW5nYW0uY0BpbnRl bC5jb20+Cj4+IC0tLQo+PiAgIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyB8 ICAxMDcgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKystLQo+PiAgIDEgZmlsZSBjaGFu Z2VkLCAxMDEgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKPj4KPj4gZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2ludGVsX2Rpc3BsYXkuYwo+PiBpbmRleCBhNjYyMjBhLi5mODY4NWY1IDEwMDY0NAo+PiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPj4gKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jCj4+IEBAIC03ODE0LDYgKzc4MTQsNjkgQEAg c3RhdGljIHZvaWQgaW50ZWxfc2V0X3BpcGVfdGltaW5ncyhzdHJ1Y3QgaW50ZWxfY3J0YyAqaW50 ZWxfY3J0YykKPj4gICAJCSAgIChpbnRlbF9jcnRjLT5jb25maWctPnBpcGVfc3JjX2ggLSAxKSk7 Cj4+ICAgfQo+PiAgIAo+PiArc3RhdGljIHZvaWQgaW50ZWxfZ2V0X2RzaV9waXBlX3RpbWluZ3Mo c3RydWN0IGludGVsX2NydGMgKmNydGMsCj4+ICsJCQkJICAgc3RydWN0IGludGVsX2NydGNfc3Rh dGUgKnBpcGVfY29uZmlnKQo+PiArewo+PiArCXN0cnVjdCBkcm1fZGV2aWNlICpkZXYgPSBjcnRj LT5iYXNlLmRldjsKPj4gKwlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYgPSBkZXYt PmRldl9wcml2YXRlOwo+PiArCWVudW0gdHJhbnNjb2RlciBjcHVfdHJhbnNjb2RlciA9IHBpcGVf Y29uZmlnLT5jcHVfdHJhbnNjb2RlcjsKPj4gKwlzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2Rl cjsKPj4gKwl1aW50MzJfdCB0bXA7Cj4+ICsKPj4gKwl0bXAgPSBJOTE1X1JFQUQoSFRPVEFMKGNw dV90cmFuc2NvZGVyKSk7Cj4+ICsJcGlwZV9jb25maWctPmJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRj X2hkaXNwbGF5ID0gKHRtcCAmIDB4ZmZmZikgKyAxOwo+PiArCXBpcGVfY29uZmlnLT5iYXNlLmFk anVzdGVkX21vZGUuY3J0Y19odG90YWwgPQo+PiArCQkJCQkJKCh0bXAgPj4gMTYpICYgMHhmZmZm KSArIDE7Cj4+ICsJdG1wID0gSTkxNV9SRUFEKEhCTEFOSyhjcHVfdHJhbnNjb2RlcikpOwo+PiAr CXBpcGVfY29uZmlnLT5iYXNlLmFkanVzdGVkX21vZGUuY3J0Y19oYmxhbmtfc3RhcnQgPSAodG1w ICYgMHhmZmZmKSArIDE7Cj4+ICsJcGlwZV9jb25maWctPmJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRj X2hibGFua19lbmQgPQo+PiArCQkJCQkJKCh0bXAgPj4gMTYpICYgMHhmZmZmKSArIDE7Cj4+ICsJ dG1wID0gSTkxNV9SRUFEKEhTWU5DKGNwdV90cmFuc2NvZGVyKSk7Cj4+ICsJcGlwZV9jb25maWct PmJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRjX2hzeW5jX3N0YXJ0ID0gKHRtcCAmIDB4ZmZmZikgKyAx Owo+PiArCXBpcGVfY29uZmlnLT5iYXNlLmFkanVzdGVkX21vZGUuY3J0Y19oc3luY19lbmQgPQo+ PiArCQkJCQkJKCh0bXAgPj4gMTYpICYgMHhmZmZmKSArIDE7Cj4+ICsKPj4gKwl0bXAgPSBJOTE1 X1JFQUQoVkJMQU5LKGNwdV90cmFuc2NvZGVyKSk7Cj4+ICsJcGlwZV9jb25maWctPmJhc2UuYWRq dXN0ZWRfbW9kZS5jcnRjX3ZibGFua19zdGFydCA9ICh0bXAgJiAweGZmZmYpICsgMTsKPj4gKwlw aXBlX2NvbmZpZy0+YmFzZS5hZGp1c3RlZF9tb2RlLmNydGNfdmJsYW5rX2VuZCA9Cj4+ICsJCQkJ CQkoKHRtcCA+PiAxNikgJiAweGZmZmYpICsgMTsKPj4gKwl0bXAgPSBJOTE1X1JFQUQoVlNZTkMo Y3B1X3RyYW5zY29kZXIpKTsKPj4gKwlwaXBlX2NvbmZpZy0+YmFzZS5hZGp1c3RlZF9tb2RlLmNy dGNfdnN5bmNfc3RhcnQgPSAodG1wICYgMHhmZmZmKSArIDE7Cj4+ICsJcGlwZV9jb25maWctPmJh c2UuYWRqdXN0ZWRfbW9kZS5jcnRjX3ZzeW5jX2VuZCA9Cj4+ICsJCQkJCQkoKHRtcCA+PiAxNikg JiAweGZmZmYpICsgMTsKPj4gKwo+PiArCWlmIChJOTE1X1JFQUQoUElQRUNPTkYoY3B1X3RyYW5z Y29kZXIpKSAmIFBJUEVDT05GX0lOVEVSTEFDRV9NQVNLKSB7Cj4+ICsJCXBpcGVfY29uZmlnLT5i YXNlLmFkanVzdGVkX21vZGUuZmxhZ3MgfD0KPj4gKwkJCQkJCURSTV9NT0RFX0ZMQUdfSU5URVJM QUNFOwo+PiArCQlwaXBlX2NvbmZpZy0+YmFzZS5hZGp1c3RlZF9tb2RlLmNydGNfdnRvdGFsICs9 IDE7Cj4+ICsJCXBpcGVfY29uZmlnLT5iYXNlLmFkanVzdGVkX21vZGUuY3J0Y192YmxhbmtfZW5k ICs9IDE7Cj4+ICsJfQo+PiArCj4+ICsKPj4gKwlmb3JfZWFjaF9lbmNvZGVyX29uX2NydGMoZGV2 LCAmY3J0Yy0+YmFzZSwgZW5jb2Rlcikgewo+PiArCQlzdHJ1Y3QgaW50ZWxfZHNpICppbnRlbF9k c2kgPQo+PiArCQkJZW5jX3RvX2ludGVsX2RzaSgmZW5jb2Rlci0+YmFzZSk7Cj4+ICsJCWVudW0g cG9ydCBwb3J0Owo+PiArCj4+ICsJCXBpcGVfY29uZmlnLT5waXBlX2JwcCA9IGludGVsX2RzaS0+ ZHNpX2JwcDsKPj4gKwkJZm9yX2VhY2hfZHNpX3BvcnQocG9ydCwgaW50ZWxfZHNpLT5wb3J0cykg ewo+PiArCQkJcGlwZV9jb25maWctPmJhc2UuYWRqdXN0ZWRfbW9kZS5jcnRjX2hkaXNwbGF5ID0K Pj4gKwkJCQlJOTE1X1JFQUQoQlhUX01JUElfVFJBTlNfSEFDVElWRShwb3J0KSk7Cj4+ICsJCQlw aXBlX2NvbmZpZy0+YmFzZS5hZGp1c3RlZF9tb2RlLmNydGNfdmRpc3BsYXkgPQo+PiArCQkJCUk5 MTVfUkVBRChCWFRfTUlQSV9UUkFOU19WQUNUSVZFKHBvcnQpKTsKPj4gKwkJCXBpcGVfY29uZmln LT5iYXNlLmFkanVzdGVkX21vZGUuY3J0Y192dG90YWwgPQo+PiArCQkJCUk5MTVfUkVBRChCWFRf TUlQSV9UUkFOU19WVE9UQUwocG9ydCkpOwo+PiArCQl9Cj4+ICsJfQo+PiArCj4+ICsJdG1wID0g STkxNV9SRUFEKFBJUEVTUkMoY3J0Yy0+cGlwZSkpOwo+PiArCXBpcGVfY29uZmlnLT5waXBlX3Ny Y19oID0gKHRtcCAmIDB4ZmZmZikgKyAxOwo+PiArCXBpcGVfY29uZmlnLT5waXBlX3NyY193ID0g KCh0bXAgPj4gMTYpICYgMHhmZmZmKSArIDE7Cj4+ICsKPj4gKwlwaXBlX2NvbmZpZy0+YmFzZS5t b2RlLnZkaXNwbGF5ID0gcGlwZV9jb25maWctPnBpcGVfc3JjX2g7Cj4+ICsJcGlwZV9jb25maWct PmJhc2UubW9kZS5oZGlzcGxheSA9IHBpcGVfY29uZmlnLT5waXBlX3NyY193Owo+PiArfQo+PiAr Cj4+ICAgc3RhdGljIHZvaWQgaW50ZWxfZ2V0X3BpcGVfdGltaW5ncyhzdHJ1Y3QgaW50ZWxfY3J0 YyAqY3J0YywKPj4gICAJCQkJICAgc3RydWN0IGludGVsX2NydGNfc3RhdGUgKnBpcGVfY29uZmln KQo+PiAgIHsKPj4gQEAgLTk5NjksNiArMTAwMzIsNyBAQCBzdGF0aWMgYm9vbCBoYXN3ZWxsX2dl dF9waXBlX2NvbmZpZyhzdHJ1Y3QgaW50ZWxfY3J0YyAqY3J0YywKPj4gICAJc3RydWN0IGRybV9p OTE1X3ByaXZhdGUgKmRldl9wcml2ID0gZGV2LT5kZXZfcHJpdmF0ZTsKPj4gICAJZW51bSBpbnRl bF9kaXNwbGF5X3Bvd2VyX2RvbWFpbiBwZml0X2RvbWFpbjsKPj4gICAJdWludDMyX3QgdG1wOwo+ PiArCWJvb2wgaXNfZHNpID0gZmFsc2U7Cj4+ICAgCj4+ICAgCWlmICghaW50ZWxfZGlzcGxheV9w b3dlcl9pc19lbmFibGVkKGRldl9wcml2LAo+PiAgIAkJCQkJIFBPV0VSX0RPTUFJTl9QSVBFKGNy dGMtPnBpcGUpKSkKPj4gQEAgLTk5OTksMTcgKzEwMDYzLDQ4IEBAIHN0YXRpYyBib29sIGhhc3dl bGxfZ2V0X3BpcGVfY29uZmlnKHN0cnVjdCBpbnRlbF9jcnRjICpjcnRjLAo+PiAgIAkJCXBpcGVf Y29uZmlnLT5jcHVfdHJhbnNjb2RlciA9IFRSQU5TQ09ERVJfRURQOwo+PiAgIAl9Cj4+ICAgCj4+ ICsJaWYgKGRldl9wcml2LT52YnQuaGFzX21pcGkpIHsKPj4gKwkJZW51bSBwb3J0IHBvcnRfbnVt ID0gKGRldl9wcml2LT52YnQuZHNpLnBvcnQgPT0gRFZPX1BPUlRfTUlQSUEpCj4+ICsJCQkJCT8g UE9SVF9BIDogUE9SVF9DOwo+IEp1c3QgImVudW0gcG9ydCBwb3J0IiBwbGVhc2UuCkkgd2lsbCB0 YWtlIGNhcmUgb2YgdGhpcyBzdWdnZXN0aW9uIGluIHRoZSBuZXh0IHBhdGNoIHZlci4KPgo+PiAr CQl1aW50MzJfdCBkc2lfY3RybCA9IEk5MTVfUkVBRChNSVBJX0NUUkwocG9ydF9udW0pKTsKPj4g Kwo+PiArCQl0bXAgPSBJOTE1X1JFQUQoQlhUX01JUElfUE9SVF9DVFJMKHBvcnRfbnVtKSk7Cj4+ ICsJCWlmICh0bXAgJiBEUElfRU5BQkxFKSB7Cj4+ICsJCQllbnVtIHBpcGUgdHJhbnNfZHNpX3Bp cGU7Cj4+ICsKPj4gKwkJCXN3aXRjaCAoZHNpX2N0cmwgJiBCWFRfUElQRV9TRUxFQ1RfTUFTSykg ewo+PiArCQkJZGVmYXVsdDoKPj4gKwkJCQlXQVJOKDEsICJ1bmtub3duIHBpcGUgbGlua2VkIHRv IGRzaSB0cmFuc2NvZGVyXG4iKTsKPj4gKwkJCQlyZXR1cm4gZmFsc2U7Cj4+ICsJCQljYXNlIEJY VF9QSVBFX1NFTEVDVF9BOgo+PiArCQkJCXRyYW5zX2RzaV9waXBlID0gUElQRV9BOwo+PiArCQkJ CWJyZWFrOwo+PiArCQkJY2FzZSBCWFRfUElQRV9TRUxFQ1RfQjoKPj4gKwkJCQl0cmFuc19kc2lf cGlwZSA9IFBJUEVfQjsKPj4gKwkJCQlicmVhazsKPj4gKwkJCWNhc2UgQlhUX1BJUEVfU0VMRUNU X0M6Cj4+ICsJCQkJdHJhbnNfZHNpX3BpcGUgPSBQSVBFX0M7Cj4+ICsJCQkJYnJlYWs7Cj4+ICsJ CQl9Cj4+ICsKPj4gKwkJCWlmICh0cmFuc19kc2lfcGlwZSA9PSBjcnRjLT5waXBlKQo+PiArCQkJ CWlzX2RzaSA9IHRydWU7Cj4+ICsJCX0KPj4gKwl9Cj4+ICsKPiBZb3UgbmVlZCB0byBzZXQgcGlw ZV9jb25maWctPmhhc19kc2lfZW5jb2Rlci4KPgo+IFRoaXMgaXMgcG9zc2libHkgY2xlYW5lc3Qs IGlmIHlvdSBhYnN0cmFjdCB0aGUgYWJvdmUgaW50byBhIHNlcGFyYXRlCj4gZnVuY3Rpb24sIHNh eQo+Cj4gYnh0X2dldF9waXBlX2NvbmZpZ19kc2koc3RydWN0IGludGVsX2NydGMgKmNydGMsIHN0 cnVjdCBpbnRlbF9jcnRjX3N0YXRlCj4gKnBpcGVfY29uZmlnKQo+Cj4gYW5kIHNldCBwaXBlX2Nv bmZpZy0+aGFzX2RzaV9lbmNvZGVyIGlmIHRyYW5zX2RzaV9waXBlID09IGNydGMtPnBpcGUuCk9r LiBJIGFtIHJlc3VibWl0dGluZyB3aXRoIHRoZXNlIGNoYW5nZXMuCj4KPiBUaGlzIHByb2JhYmx5 IG5lZWRzIHRvIHRha2UgaW50byBhY2NvdW50IHRoZSBkaWZmZXJlbnQgcG93ZXIgZG9tYWlucyBh cwo+IHdlbGw/Cj4KPiBCUiwKPiBKYW5pLgo+Cj4KPiBQUy4gSSBndWVzcyB3ZSdyZSBtaXNzaW5n IHRoZSBoYXNfZHNpX2VuY29kZXIgcmVhZG91dCBmb3IgQllUL0NIViBhcwo+IHdlbGwuIDooCj4K Pgo+Cj4+ICAgCWlmICghaW50ZWxfZGlzcGxheV9wb3dlcl9pc19lbmFibGVkKGRldl9wcml2LAo+ PiAgIAkJCVBPV0VSX0RPTUFJTl9UUkFOU0NPREVSKHBpcGVfY29uZmlnLT5jcHVfdHJhbnNjb2Rl cikpKQo+PiAgIAkJcmV0dXJuIGZhbHNlOwo+PiAgIAo+PiAtCXRtcCA9IEk5MTVfUkVBRChQSVBF Q09ORihwaXBlX2NvbmZpZy0+Y3B1X3RyYW5zY29kZXIpKTsKPj4gLQlpZiAoISh0bXAgJiBQSVBF Q09ORl9FTkFCTEUpKQo+PiAtCQlyZXR1cm4gZmFsc2U7Cj4+IC0KPj4gLQloYXN3ZWxsX2dldF9k ZGlfcG9ydF9zdGF0ZShjcnRjLCBwaXBlX2NvbmZpZyk7Cj4+ICsJaWYgKCFpc19kc2kpIHsKPj4g KwkJdG1wID0gSTkxNV9SRUFEKFBJUEVDT05GKHBpcGVfY29uZmlnLT5jcHVfdHJhbnNjb2Rlcikp Owo+PiArCQlpZiAoISh0bXAgJiBQSVBFQ09ORl9FTkFCTEUpKQo+PiArCQkJcmV0dXJuIGZhbHNl Owo+PiAgIAo+PiAtCWludGVsX2dldF9waXBlX3RpbWluZ3MoY3J0YywgcGlwZV9jb25maWcpOwo+ PiArCQloYXN3ZWxsX2dldF9kZGlfcG9ydF9zdGF0ZShjcnRjLCBwaXBlX2NvbmZpZyk7Cj4+ICsJ CWludGVsX2dldF9waXBlX3RpbWluZ3MoY3J0YywgcGlwZV9jb25maWcpOwo+PiArCX0gZWxzZQo+ PiArCQlpbnRlbF9nZXRfZHNpX3BpcGVfdGltaW5ncyhjcnRjLCBwaXBlX2NvbmZpZyk7Cj4+ICAg Cj4+ICAgCWlmIChJTlRFTF9JTkZPKGRldiktPmdlbiA+PSA5KSB7Cj4+ICAgCQlza2xfaW5pdF9z Y2FsZXJzKGRldiwgY3J0YywgcGlwZV9jb25maWcpOwoKLS0gClRoYW5rcywKLS1SYW0KCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWls aW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==