From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/i915: Y/Yf Tiling Workaround for BXT/SKL Date: Mon, 25 Jan 2016 19:15:18 +0100 Message-ID: <20160125181518.GQ11240@phenom.ffwll.local> References: <1453456748-2635-1-git-send-email-mayuresh.s.gharpure@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-f46.google.com (mail-wm0-f46.google.com [74.125.82.46]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A6F56E4FF for ; Mon, 25 Jan 2016 10:15:11 -0800 (PST) Received: by mail-wm0-f46.google.com with SMTP id u188so76863267wmu.1 for ; Mon, 25 Jan 2016 10:15:10 -0800 (PST) Content-Disposition: inline In-Reply-To: <1453456748-2635-1-git-send-email-mayuresh.s.gharpure@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Mayuresh Gharpure Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gRnJpLCBKYW4gMjIsIDIwMTYgYXQgMDM6Mjk6MDhQTSArMDUzMCwgTWF5dXJlc2ggR2hhcnB1 cmUgd3JvdGU6Cj4gQlhUL1NLTCBCc3BlYyBzcGVjaWZpZXMgYSB3b3JrYXJvdW5kIG9mIHNldHRp bmcgYSBiaXQgb2YgQ0hJQ0tFTl9EQ1BSXzEKPiByZWdpc3RlciB3aGVuIG9uZSBvZiB0aGUgcGxh bmUgaXMgZW5hYmxlZCB3aXRoIGEgWSBvciBZZiB0aWxlZCBidWZmZXIuCj4gVGhpcyBwYXRjaCBp bXBsZW1lbnRzIHRoaXMgd29ya2Fyb3VuZAo+IAo+IFNpZ25lZC1vZmYtYnk6IE1heXVyZXNoIEdo YXJwdXJlIDxtYXl1cmVzaC5zLmdoYXJwdXJlQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9kcnYuaCAgICAgIHwgIDYgKysrKysrCj4gIGRyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2Rpc3BsYXkuYyB8IDQyICsrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKwo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcnYuaCAgICAgfCAgNCArKysr Cj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Nwcml0ZS5jICB8ICA1ICsrKysrCj4gIDQg ZmlsZXMgY2hhbmdlZCwgNTcgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYu aAo+IGluZGV4IDIwNDY2MWYuLmE4NTQ2OTAgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaTkxNV9kcnYuaAo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgK PiBAQCAtMTk1OCw2ICsxOTU4LDEyIEBAIHN0cnVjdCBkcm1faTkxNV9wcml2YXRlIHsKPiAgCXN0 cnVjdCBpbnRlbF9lbmNvZGVyICpkaWdfcG9ydF9tYXBbSTkxNV9NQVhfUE9SVFNdOwo+ICAKPiAg CS8qCj4gKwkgKiBNYXNrIHRvIGtlZXAgdHJhY2sgb2YgcGxhbmVzIGVuYWJsZWQgd2l0aCB5L3lm IHRpbGVkIGJ1ZmZlcnMKPiArCSAqIFRoaXMgaXMgcmVxdWlyZWQgYmVjYXVzZSBvZiBhIGJzcGVj IHdvcmthcm91bmQgaW4gU0tML0JYVAo+ICsJKi8KPiArCXVpbnQzMl90IHRpbGVfeV9tYXNrOwoK R2xvYmFsIHN0YXRlIGlzIGEgaG9ycm9yIHNob3cgZm9yIGF0b21pYyAoZHVlIHRvIGxvY2tpbmcg YW5kIGFsbCB0aGF0KSBhbmQKaGVuY2UgdmVyYm90ZW4uIEkgdGhpbmsgdGhlIGNvcnJlY3Qgd2F5 IHdvdWxkIGJlIHRvIGNvbXB1dGUgdGhpcyBpbiB0aGUKY3J0YyBhdG9taWNfY2hlY2sgZnVuY3Rp b25zIGFuZCBzdG9yZSBpbiBpbiBjcnRjX3N0YXRlLiBUaGVuIHVzZSB0aGF0IHRvCnNldCBpdCBp biBwcmVfY29tbWl0IGZ1bmN0aW9ucyB3aGVuIHdlJ2xsIG5lZWQgaXQsIGFuZCBjbGVhciBpdCBp bgpwb3N0LWNvbW1pdCB3aGVuIGl0J3Mgbm8gbG9uZ2VyIG5lZWRlZC4KCklmIHlvdSB3YW50IHRv IGNoZWNrIHlvdXIgbG9naWMgKHdoaWNoIEkgaGlnaGx5IHJlY29tbWVuZCBmb3IgdGhlc2Uga2lu ZApvZiBzdGF0ZS1kcml2ZW4gdy9hKSBjaGVjayB0aGF0IHRoZSB3L2EgYml0IGlzIHNldCB3aGVu IGVuYWJsaW5nIGEgWSBvciBZZgp0aWxlZCBidWZmZXIsIGFuZCBjaGVjayB0aGF0IGl0J3MgY2xl YXIgd2hlbiBldmVyeXRoaW5nIGlzIG9mZiAod2hlbiB3ZQplLmcuIGRyb3AgdGhlIG1haW4gZGlz cGxheSBwb3dlciB3ZWxsKS4KCkFsc28gcGxlYXNlIGV4dGVuZCB0aGUgY29tbWl0IG1lc3NhZ2Ug YSBiaXQgb24gd2hlbiBleGFjdGx5IHRoaXMgaXMgbmVlZGVkCihpcyBpdCBoYXJtZnVsIHRvIGVu YWJsZSB0aGUgY2hpY2tlbiBiaXQgd2hlbiBubyBZL1lmIHBsYW5lIGlzIGluIHVzZSwKd2hhdCBo YXBwZW5zIGlmIHdlIGRvbid0PykuIFdpdGhvdXQgdGhpcyBJIGNhbid0IHJlYWxseSByZXZpZXcg dGhlIGxvZ2ljCnlvdSBoYXZlIGhlcmUgaW4gZGV0YWlsLgotRGFuaWVsCgoKPiArCj4gKwkvKgo+ ICAJICogTk9URTogVGhpcyBpcyB0aGUgZHJpMS91bXMgZHVuZ2VvbiwgZG9uJ3QgYWRkIHN0dWZm IGhlcmUuIFlvdXIgcGF0Y2gKPiAgCSAqIHdpbGwgYmUgcmVqZWN0ZWQuIEluc3RlYWQgbG9vayBm b3IgYSBiZXR0ZXIgcGxhY2UuCj4gIAkgKi8KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfZGlzcGxheS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxh eS5jCj4gaW5kZXggODEwNDUxMS4uZjc4ZmU2NSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9kaXNwbGF5LmMKPiBAQCAtMzA5Miw2ICszMDkyLDcgQEAgc3RhdGljIHZvaWQgc2t5bGFrZV91 cGRhdGVfcHJpbWFyeV9wbGFuZShzdHJ1Y3QgZHJtX3BsYW5lICpwbGFuZSwKPiAgCWludCBkc3Rf eSA9IHBsYW5lX3N0YXRlLT5kc3QueTE7Cj4gIAlpbnQgZHN0X3cgPSBkcm1fcmVjdF93aWR0aCgm cGxhbmVfc3RhdGUtPmRzdCk7Cj4gIAlpbnQgZHN0X2ggPSBkcm1fcmVjdF9oZWlnaHQoJnBsYW5l X3N0YXRlLT5kc3QpOwo+ICsJdW5zaWduZWQgaW50IHBsYW5lX2luZGV4ID0gZHJtX3BsYW5lX2lu ZGV4KHBsYW5lKTsKPiAgCj4gIAlwbGFuZV9jdGwgPSBQTEFORV9DVExfRU5BQkxFIHwKPiAgCQkg ICAgUExBTkVfQ1RMX1BJUEVfR0FNTUFfRU5BQkxFIHwKPiBAQCAtMzEyOCw2ICszMTI5LDggQEAg c3RhdGljIHZvaWQgc2t5bGFrZV91cGRhdGVfcHJpbWFyeV9wbGFuZShzdHJ1Y3QgZHJtX3BsYW5l ICpwbGFuZSwKPiAgCWludGVsX2NydGMtPmFkanVzdGVkX3ggPSB4X29mZnNldDsKPiAgCWludGVs X2NydGMtPmFkanVzdGVkX3kgPSB5X29mZnNldDsKPiAgCj4gKwlza2xfaGFuZGxlX3l0aWxlX3dh KGRldl9wcml2LCBmYi0+bW9kaWZpZXJbMF0sIHBsYW5lX2luZGV4LCB0cnVlKTsKPiArCj4gIAlJ OTE1X1dSSVRFKFBMQU5FX0NUTChwaXBlLCAwKSwgcGxhbmVfY3RsKTsKPiAgCUk5MTVfV1JJVEUo UExBTkVfT0ZGU0VUKHBpcGUsIDApLCBwbGFuZV9vZmZzZXQpOwo+ICAJSTkxNV9XUklURShQTEFO RV9TSVpFKHBpcGUsIDApLCBwbGFuZV9zaXplKTsKPiBAQCAtMzE1OSwxMCArMzE2MiwxMiBAQCBz dGF0aWMgdm9pZCBza3lsYWtlX2Rpc2FibGVfcHJpbWFyeV9wbGFuZShzdHJ1Y3QgZHJtX3BsYW5l ICpwcmltYXJ5LAo+ICAJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGNydGMtPmRldjsKPiAgCXN0 cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiA9IGRldi0+ZGV2X3ByaXZhdGU7Cj4gIAlp bnQgcGlwZSA9IHRvX2ludGVsX2NydGMoY3J0YyktPnBpcGU7Cj4gKwl1bnNpZ25lZCBpbnQgcGxh bmVfaW5kZXggPSBkcm1fcGxhbmVfaW5kZXgocHJpbWFyeSk7Cj4gIAo+ICAJaWYgKGRldl9wcml2 LT5mYmMuZGVhY3RpdmF0ZSkKPiAgCQlkZXZfcHJpdi0+ZmJjLmRlYWN0aXZhdGUoZGV2X3ByaXYp Owo+ICAKPiArCXNrbF9oYW5kbGVfeXRpbGVfd2EoZGV2X3ByaXYsIDAsIHBsYW5lX2luZGV4LCBm YWxzZSk7Cj4gIAlJOTE1X1dSSVRFKFBMQU5FX0NUTChwaXBlLCAwKSwgMCk7Cj4gIAlJOTE1X1dS SVRFKFBMQU5FX1NVUkYocGlwZSwgMCksIDApOwo+ICAJUE9TVElOR19SRUFEKFBMQU5FX1NVUkYo cGlwZSwgMCkpOwo+IEBAIC0xNjMzMSwzICsxNjMzNiw0MCBAQCB2b2lkIGludGVsX21vZGVzZXRf cHJlY2xvc2Uoc3RydWN0IGRybV9kZXZpY2UgKmRldiwgc3RydWN0IGRybV9maWxlICpmaWxlKQo+ ICAJCXNwaW5fdW5sb2NrX2lycSgmZGV2LT5ldmVudF9sb2NrKTsKPiAgCX0KPiAgfQo+ICsKPiAr dm9pZCBza2xfaGFuZGxlX3l0aWxlX3dhKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJp diwKPiArCQkJCXVpbnQ2NF90IHRpbGluZywKPiArCQkJCXVuc2lnbmVkIGludCBwbGFuZV9pbmRl eCwKPiArCQkJCWJvb2wgZW5hYmxlX2ZsYWcpCj4gK3sKPiArCS8qCj4gKwkgKiBXaGVuIGEgcGxh bmUgaXMgYmVpbmcgZGlzYWJsZWQsIGlmIG5vbmUgb2YgdGhlIG90aGVyIHBsYW5lcwo+ICsJICog aXMgZW5hYmxlZCB3aXRoIFkvWWYgdGlsZWQgYnVmZmVycyxyZXNldCBiaXQgMTMgaW4gQ0hJQ0tF Tl9EQ1BSXzEKPiArCSAqLwo+ICsJaWYgKCFlbmFibGVfZmxhZykgewo+ICsJCWRldl9wcml2LT50 aWxlX3lfbWFzayAmPSB+KDE8PHBsYW5lX2luZGV4KTsKPiArCQlpZiAoZGV2X3ByaXYtPnRpbGVf eV9tYXNrID09IDApCj4gKwkJCUk5MTVfV1JJVEUoQ0hJQ0tFTl9EQ1BSXzEsIEk5MTVfUkVBRChD SElDS0VOX0RDUFJfMSkKPiArCQkJJiB+SURMRV9XQUtFTUVNX01BU0spOwo+ICsJfSBlbHNlIHsK PiArCQkvKgo+ICsJCSAqIFdoZW4gYSBwbGFuZSBpcyBiZWluZyBlbmFibGVkIHdpdGggWS9ZZiB0 aWxlZCBidWZmZXIsc2V0IHRoZQo+ICsJCSAqIGJpdCAxMyBpbiBDSElDS0VOX0RDUFJfMSwgaWYg cGxhbmUgaXMgYmVpbmcgZW5hYmxlZCB3aXRoIGEKPiArCQkgKiBsaW5lYXIgb3IgeC10aWxlZCBi dWZmZXIsIHJlc2V0IHRoZSBiaXQgaWYgbm8gb3RoZXIgcGxhbmUgaXMKPiArCQkgKiBlbmFibGVk IHdpdGggWS9ZZiB0aWxlZCBidWZmZXIKPiArCQkgKi8KPiArCQlpZiAodGlsaW5nID09IEk5MTVf Rk9STUFUX01PRF9ZX1RJTEVEIHx8Cj4gKwkJCXRpbGluZyA9PSBJOTE1X0ZPUk1BVF9NT0RfWWZf VElMRUQpIHsKPiArCQkJZGV2X3ByaXYtPnRpbGVfeV9tYXNrIHw9ICgxPDxwbGFuZV9pbmRleCk7 Cj4gKwkJCUk5MTVfV1JJVEUoQ0hJQ0tFTl9EQ1BSXzEsIEk5MTVfUkVBRChDSElDS0VOX0RDUFJf MSkgfAo+ICsJCQkJCUlETEVfV0FLRU1FTV9NQVNLKTsKPiArCQl9IGVsc2V7Cj4gKwkJCWRldl9w cml2LT50aWxlX3lfbWFzayAmPSB+KDE8PHBsYW5lX2luZGV4KTsKPiArCQkJaWYgKGRldl9wcml2 LT50aWxlX3lfbWFzayA9PSAwKQo+ICsJCQkJSTkxNV9XUklURShDSElDS0VOX0RDUFJfMSwKPiAr CQkJCUk5MTVfUkVBRChDSElDS0VOX0RDUFJfMSkgJgo+ICsJCQkJCX5JRExFX1dBS0VNRU1fTUFT Syk7Cj4gKwkJfQo+ICsJfQo+ICt9Cj4gKwo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pbnRlbF9kcnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oCj4gaW5k ZXggYmM5NzAxMi4uYThhNGRhNSAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kcnYuaAo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oCj4gQEAg LTE2MDksNiArMTYwOSwxMCBAQCBzdHJ1Y3QgaW50ZWxfcGxhbmVfc3RhdGUgKmludGVsX2NyZWF0 ZV9wbGFuZV9zdGF0ZShzdHJ1Y3QgZHJtX3BsYW5lICpwbGFuZSk7Cj4gIHN0cnVjdCBkcm1fcGxh bmVfc3RhdGUgKmludGVsX3BsYW5lX2R1cGxpY2F0ZV9zdGF0ZShzdHJ1Y3QgZHJtX3BsYW5lICpw bGFuZSk7Cj4gIHZvaWQgaW50ZWxfcGxhbmVfZGVzdHJveV9zdGF0ZShzdHJ1Y3QgZHJtX3BsYW5l ICpwbGFuZSwKPiAgCQkJICAgICAgIHN0cnVjdCBkcm1fcGxhbmVfc3RhdGUgKnN0YXRlKTsKPiAr dm9pZCBza2xfaGFuZGxlX3l0aWxlX3dhKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJp diwKPiArCQkJCXVpbnQ2NF90IHRpbGluZywKPiArCQkJCXVuc2lnbmVkIGludCBwbGFuZV9pbmRl eCwKPiArCQkJCWJvb2wgZW5hYmxlX2ZsYWcpOwo+ICBleHRlcm4gY29uc3Qgc3RydWN0IGRybV9w bGFuZV9oZWxwZXJfZnVuY3MgaW50ZWxfcGxhbmVfaGVscGVyX2Z1bmNzOwo+ICAKPiAgI2VuZGlm IC8qIF9fSU5URUxfRFJWX0hfXyAqLwo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9zcHJpdGUuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Nwcml0ZS5jCj4g aW5kZXggMDg3NWM4ZS4uN2YwM2RjZiAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9zcHJpdGUuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3Nwcml0 ZS5jCj4gQEAgLTIwNSw2ICsyMDUsNyBAQCBza2xfdXBkYXRlX3BsYW5lKHN0cnVjdCBkcm1fcGxh bmUgKmRybV9wbGFuZSwKPiAgCXVpbnQzMl90IHNyY19oID0gZHJtX3JlY3RfaGVpZ2h0KCZwbGFu ZV9zdGF0ZS0+c3JjKSA+PiAxNjsKPiAgCWNvbnN0IHN0cnVjdCBpbnRlbF9zY2FsZXIgKnNjYWxl ciA9Cj4gIAkJJmNydGNfc3RhdGUtPnNjYWxlcl9zdGF0ZS5zY2FsZXJzW3BsYW5lX3N0YXRlLT5z Y2FsZXJfaWRdOwo+ICsJdW5zaWduZWQgaW50IHBsYW5lX2luZGV4ID0gZHJtX3BsYW5lX2luZGV4 KGRybV9wbGFuZSk7Cj4gIAo+ICAJcGxhbmVfY3RsID0gUExBTkVfQ1RMX0VOQUJMRSB8Cj4gIAkJ UExBTkVfQ1RMX1BJUEVfR0FNTUFfRU5BQkxFIHwKPiBAQCAtMjU1LDYgKzI1Niw4IEBAIHNrbF91 cGRhdGVfcGxhbmUoc3RydWN0IGRybV9wbGFuZSAqZHJtX3BsYW5lLAo+ICAJfQo+ICAJcGxhbmVf b2Zmc2V0ID0geV9vZmZzZXQgPDwgMTYgfCB4X29mZnNldDsKPiAgCj4gKwlza2xfaGFuZGxlX3l0 aWxlX3dhKGRldl9wcml2LCBmYi0+bW9kaWZpZXJbMF0sIHBsYW5lX2luZGV4LCB0cnVlKTsKPiAr Cj4gIAlJOTE1X1dSSVRFKFBMQU5FX09GRlNFVChwaXBlLCBwbGFuZSksIHBsYW5lX29mZnNldCk7 Cj4gIAlJOTE1X1dSSVRFKFBMQU5FX1NUUklERShwaXBlLCBwbGFuZSksIHN0cmlkZSk7Cj4gIAlJ OTE1X1dSSVRFKFBMQU5FX1NJWkUocGlwZSwgcGxhbmUpLCBwbGFuZV9zaXplKTsKPiBAQCAtMjky LDYgKzI5NSw4IEBAIHNrbF9kaXNhYmxlX3BsYW5lKHN0cnVjdCBkcm1fcGxhbmUgKmRwbGFuZSwg c3RydWN0IGRybV9jcnRjICpjcnRjKQo+ICAJY29uc3QgaW50IHBpcGUgPSBpbnRlbF9wbGFuZS0+ cGlwZTsKPiAgCWNvbnN0IGludCBwbGFuZSA9IGludGVsX3BsYW5lLT5wbGFuZSArIDE7Cj4gIAo+ ICsJc2tsX2hhbmRsZV95dGlsZV93YShkZXZfcHJpdiwgMCwgZHJtX3BsYW5lX2luZGV4KGRwbGFu ZSksIGZhbHNlKTsKPiArCj4gIAlJOTE1X1dSSVRFKFBMQU5FX0NUTChwaXBlLCBwbGFuZSksIDAp Owo+ICAKPiAgCUk5MTVfV1JJVEUoUExBTkVfU1VSRihwaXBlLCBwbGFuZSksIDApOwo+IC0tIAo+ IDEuOS4xCj4gCj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KPiBJbnRlbC1nZnggbWFpbGluZyBsaXN0Cj4gSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9w Lm9yZwo+IGh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRl bC1nZngKCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jwb3Jh dGlvbgpodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2ludGVsLWdmeAo=