From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Goel, Akash" Subject: Re: [PATCH v4] drm/i915: Support to enable TRTT on GEN9 Date: Wed, 9 Mar 2016 20:20:07 +0530 Message-ID: <56E0381F.2080603@intel.com> References: <1456980877-28989-1-git-send-email-akash.goel@intel.com> <1457523024-12706-1-git-send-email-akash.goel@intel.com> <20160309120423.GH1405@nuc-i3427.alporthouse.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 EE2A36E17B for ; Wed, 9 Mar 2016 14:50:10 +0000 (UTC) In-Reply-To: <20160309120423.GH1405@nuc-i3427.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org Cc: akash.goel@intel.com List-Id: intel-gfx@lists.freedesktop.org CgpPbiAzLzkvMjAxNiA1OjM0IFBNLCBDaHJpcyBXaWxzb24gd3JvdGU6Cj4gT24gV2VkLCBNYXIg MDksIDIwMTYgYXQgMDU6MDA6MjRQTSArMDUzMCwgYWthc2guZ29lbEBpbnRlbC5jb20gd3JvdGU6 Cj4+ICtzdGF0aWMgaW50Cj4+ICtpbnRlbF9jb250ZXh0X2dldF90cnR0KHN0cnVjdCBpbnRlbF9j b250ZXh0ICpjdHgsCj4+ICsJCSAgICAgICBzdHJ1Y3QgZHJtX2k5MTVfZ2VtX2NvbnRleHRfcGFy YW0gKmFyZ3MpCj4+ICt7Cj4+ICsJc3RydWN0IGRybV9pOTE1X2dlbV9jb250ZXh0X3RydHRfcGFy YW0gdHJ0dF9wYXJhbXM7Cj4+ICsJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IGN0eC0+aTkxNS0+ ZGV2Owo+PiArCj4+ICsJaWYgKCFIQVNfVFJUVChkZXYpIHx8ICFVU0VTX0ZVTExfNDhCSVRfUFBH VFQoZGV2KSkgewo+Cj4gQm90aCBvZiB0aGVzZSBhY3R1YWxseSBpbnNwZWN0IGRldl9wcml2IChh bmQgbWFnaWNhbGx5IGNvbnZlcnQgZGV2IGludG8KPiBkZXZfcHJpdikuCgpTb3JyeSwgbXkgYmFk LiBNaXNzZWQgdGhlIF9fSTkxNV9fIG1hY3JvLgo+Cj4+ICsJCXJldHVybiAtRU5PREVWOwo+PiAr CX0gZWxzZSBpZiAoYXJncy0+c2l6ZSA8IHNpemVvZih0cnR0X3BhcmFtcykpIHsKPj4gKwkJYXJn cy0+c2l6ZSA9IHNpemVvZih0cnR0X3BhcmFtcyk7Cj4+ICsJfSBlbHNlIHsKPj4gKwkJdHJ0dF9w YXJhbXMuc2VnbWVudF9iYXNlX2FkZHIgPQo+PiArCQkJY3R4LT50cnR0X2luZm8uc2VnbWVudF9i YXNlX2FkZHI7Cj4+ICsJCXRydHRfcGFyYW1zLmwzX3RhYmxlX2FkZHJlc3MgPQo+PiArCQkJY3R4 LT50cnR0X2luZm8ubDNfdGFibGVfYWRkcmVzczsKPj4gKwkJdHJ0dF9wYXJhbXMubnVsbF90aWxl X3ZhbCA9Cj4+ICsJCQljdHgtPnRydHRfaW5mby5udWxsX3RpbGVfdmFsOwo+PiArCQl0cnR0X3Bh cmFtcy5pbnZkX3RpbGVfdmFsID0KPj4gKwkJCWN0eC0+dHJ0dF9pbmZvLmludmRfdGlsZV92YWw7 Cj4+ICsKPj4gKwkJaWYgKF9fY29weV90b191c2VyKHRvX3VzZXJfcHRyKGFyZ3MtPnZhbHVlKSwK Pj4gKwkJCQkgICAmdHJ0dF9wYXJhbXMsCj4+ICsJCQkJICAgc2l6ZW9mKHRydHRfcGFyYW1zKSkp Cj4+ICsJCQlyZXR1cm4gLUVGQVVMVDsKPgo+IGFyZ3MtPnNpemUgPSBzaXplb2YodHJ0dF9wYXJh bXMpOwo+Cj4gaW4gY2FzZSB0aGUgdXNlIHBhc3NlZCBpbiBzaXplID4gc2l6ZW9mKHRydHRfcGFy YW1zKSB3ZSB3YW50IHRvIHJlcG9ydAo+IGhvdyBtYW55IGJ5dGVzIHdlIHdyb3RlLgoKZmluZSB3 aWxsIGFkZCB0aGlzLgo+Cj4+ICsJfQo+PiArCj4+ICsJcmV0dXJuIDA7Cj4+ICt9Cj4+ICsKPj4g K3N0YXRpYyBpbnQKPj4gK2ludGVsX2NvbnRleHRfc2V0X3RydHQoc3RydWN0IGludGVsX2NvbnRl eHQgKmN0eCwKPj4gKwkJICAgICAgIHN0cnVjdCBkcm1faTkxNV9nZW1fY29udGV4dF9wYXJhbSAq YXJncykKPj4gK3sKPj4gKwlzdHJ1Y3QgZHJtX2k5MTVfZ2VtX2NvbnRleHRfdHJ0dF9wYXJhbSB0 cnR0X3BhcmFtczsKPj4gKwlzdHJ1Y3QgZHJtX2RldmljZSAqZGV2ID0gY3R4LT5pOTE1LT5kZXY7 Cj4+ICsKPj4gKwlpZiAoIUhBU19UUlRUKGRldikgfHwgIVVTRVNfRlVMTF80OEJJVF9QUEdUVChk ZXYpKQo+Cj4gRGl0dG8gKGRldl9wcml2KQo+Cj4+ICsJCXJldHVybiAtRU5PREVWOwo+PiArCWVs c2UgaWYgKGN0eC0+ZmxhZ3MgJiBDT05URVhUX1VTRV9UUlRUKQo+PiArCQlyZXR1cm4gLUVFWElT VDsKPgo+IFdoYXQgbG9ja3MgYXJlIHdlIGhvbGRpbmcgaGVyZT8KPgo+PiArCWVsc2UgaWYgKGFy Z3MtPnNpemUgPCBzaXplb2YodHJ0dF9wYXJhbXMpKQo+PiArCQlyZXR1cm4gLUVJTlZBTDsKPj4g KwllbHNlIGlmIChjb3B5X2Zyb21fdXNlcigmdHJ0dF9wYXJhbXMsCj4+ICsJCQkJdG9fdXNlcl9w dHIoYXJncy0+dmFsdWUpLAo+PiArCQkJCXNpemVvZih0cnR0X3BhcmFtcykpKQo+Cj4gQmVjYXVz ZSB3aGF0ZXZlciB0aGV5IGFyZSwgd2UgY2FuJ3QgaG9sZCB0aGVtIGhlcmUhCj4KVGhlIHN0cnVj dF9tdXRleCBsb2NrIHdhcyB0YWtlbiBpbiB0aGUgY2FsbGVyLCBpb2N0bCBmdW5jdGlvbi4KT2ss IHNvIG5lZWQgdG8gcmVsZWFzZSB0aGF0IGJlZm9yZSBpbnZva2luZyBjb3B5X2Zyb21fdXNlci4K Cj4gKEltYWdpbmUvd3JpdGUgYSB0ZXN0IHRoYXQgcGFzc2VzIGluIHRoZSB0cnR0X3BhcmFtcyBp bnNpZGUgYSBHVFQgbW1hcGluZy4pCgpUaGlzIGNvdWxkIGNhdXNlIGEgcmVjdXJzaXZlIGxvY2tp bmcgb2Ygc3RydWN0X211dGV4IGZyb20gdGhlIGdlbV9mYXVsdCgpID8KCj4KPj4gQEAgLTkyMyw3 ICsxMDE1LDYgQEAgaW50IGk5MTVfZ2VtX2NvbnRleHRfZ2V0cGFyYW1faW9jdGwoc3RydWN0IGRy bV9kZXZpY2UgKmRldiwgdm9pZCAqZGF0YSwKPj4gICAJCXJldHVybiBQVFJfRVJSKGN0eCk7Cj4+ ICAgCX0KPj4KPj4gLQlhcmdzLT5zaXplID0gMDsKPgo+IEF3b29nYS4gRG9lcyBldmVyeSBwYXRo IHRoZW4gc2V0IGl0Pwo+CgpJdCBpcyBiZWluZyBzZXQgb25seSBmb3IgdGhlIFRSVFQgY2FzZS4g Rm9yIHRoZSBvdGhlciBleGlzdGluZyBjYXNlcywgCnNob3VsZCBpdCBiZSBleHBsaWNpdGx5IHNl dCB0byAwLCBpcyB0aGF0IHJlYWxseSBuZWVkZWQgPwoKPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9n ZW1fZ3R0LmMKPj4gaW5kZXggN2I4ZGU4NS4uOGRlMDMxOSAxMDA2NDQKPj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMKPj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV9nZW1fZ3R0LmMKPj4gQEAgLTIxNjksNiArMjE2OSwxNyBAQCBpbnQgaTkxNV9wcGd0 dF9pbml0X2h3KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYpCj4+ICAgewo+PiAgIAlndHRfd3JpdGVf d29ya2Fyb3VuZHMoZGV2KTsKPj4KPj4gKwlpZiAoSEFTX1RSVFQoZGV2KSAmJiBVU0VTX0ZVTExf NDhCSVRfUFBHVFQoZGV2KSkgewo+PiArCQlzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3By aXYgPSBkZXYtPmRldl9wcml2YXRlOwo+PiArCQkvKgo+PiArCQkgKiBHbG9iYWxseSBlbmFibGUg VFItVFQgc3VwcG9ydCBpbiBIdy4KPj4gKwkJICogU3RpbGwgVFItVFQgZW5hYmxpbmcgb24gcGVy IGNvbnRleHQgYmFzaXMgaXMgcmVxdWlyZWQuCj4+ICsJCSAqIE5vbi10cnR0IGNvbnRleHRzIGFy ZSBub3QgYWZmZWN0ZWQgYnkgdGhpcyBzZXR0aW5nLgo+PiArCQkgKi8KPj4gKwkJSTkxNV9XUklU RShHRU45X1RSX0NISUNLRU5fQklUX1ZFQ1RPUiwKPj4gKwkJCSAgIEdFTjlfVFJUVF9CWVBBU1Nf RElTQUJMRSk7Cj4+ICsJfQo+PiArCj4+ICAgCS8qIEluIHRoZSBjYXNlIG9mIGV4ZWNsaXN0cywg UFBHVFQgaXMgZW5hYmxlZCBieSB0aGUgY29udGV4dCBkZXNjcmlwdG9yCj4+ICAgCSAqIGFuZCB0 aGUgUERQcyBhcmUgY29udGFpbmVkIHdpdGhpbiB0aGUgY29udGV4dCBpdHNlbGYuICBXZSBkb24n dAo+PiAgIAkgKiBuZWVkIHRvIGRvIGFueXRoaW5nIGhlcmUuICovCj4+IEBAIC0zMzY4LDYgKzMz NzksNTcgQEAgaTkxNV9nZW1fb2JqX2xvb2t1cF9vcl9jcmVhdGVfZ2d0dF92bWEoc3RydWN0IGRy bV9pOTE1X2dlbV9vYmplY3QgKm9iaiwKPj4KPj4gICB9Cj4+Cj4+ICt2b2lkIGludGVsX3RydHRf Y29udGV4dF9kZXN0cm95X3ZtYShzdHJ1Y3QgaTkxNV92bWEgKnZtYSkKPj4gK3sKPj4gKwlzdHJ1 Y3QgaTkxNV9hZGRyZXNzX3NwYWNlICp2bSA9IHZtYS0+dm07Cj4+ICsKPj4gKwlXQVJOX09OKCFs aXN0X2VtcHR5KCZ2bWEtPm9ial9saW5rKSk7Cj4+ICsJV0FSTl9PTighbGlzdF9lbXB0eSgmdm1h LT52bV9saW5rKSk7Cj4+ICsJV0FSTl9PTighbGlzdF9lbXB0eSgmdm1hLT5leGVjX2xpc3QpKTsK Pgo+IFdBUk5fT04oIXZtYS0+cGluX2NvdW50KTsKClRoYW5rcywgd2lsbCBhZGQuCgo+Cj4+ICsK Pj4gKwlkcm1fbW1fcmVtb3ZlX25vZGUoJnZtYS0+bm9kZSk7Cj4+ICsJaTkxNV9wcGd0dF9wdXQo aTkxNV92bV90b19wcGd0dCh2bSkpOwo+PiArCWttZW1fY2FjaGVfZnJlZSh0b19pOTE1KHZtLT5k ZXYpLT52bWFzLCB2bWEpOwo+PiArfQo+PiArCj4+ICtzdHJ1Y3QgaTkxNV92bWEgKgo+PiAraW50 ZWxfdHJ0dF9jb250ZXh0X2FsbG9jYXRlX3ZtYShzdHJ1Y3QgaTkxNV9hZGRyZXNzX3NwYWNlICp2 bSwKPj4gKwkJCQl1aW50NjRfdCBzZWdtZW50X2Jhc2VfYWRkcikKPj4gK3sKPj4gKwlzdHJ1Y3Qg aTkxNV92bWEgKnZtYTsKPj4gKwlpbnQgcmV0Owo+PiArCj4+ICsJdm1hID0ga21lbV9jYWNoZV96 YWxsb2ModG9faTkxNSh2bS0+ZGV2KS0+dm1hcywgR0ZQX0tFUk5FTCk7Cj4+ICsJaWYgKCF2bWEp Cj4+ICsJCXJldHVybiBFUlJfUFRSKC1FTk9NRU0pOwo+PiArCj4+ICsJSU5JVF9MSVNUX0hFQUQo JnZtYS0+b2JqX2xpbmspOwo+PiArCUlOSVRfTElTVF9IRUFEKCZ2bWEtPnZtX2xpbmspOwo+PiAr CUlOSVRfTElTVF9IRUFEKCZ2bWEtPmV4ZWNfbGlzdCk7Cj4+ICsJdm1hLT52bSA9IHZtOwo+PiAr CWk5MTVfcHBndHRfZ2V0KGk5MTVfdm1fdG9fcHBndHQodm0pKTsKPj4gKwo+PiArCS8qIE1hcmsg dGhlIHZtYSBhcyBwZXJtYW5lbnRseSBwaW5uZWQgKi8KPj4gKwl2bWEtPnBpbl9jb3VudCA9IDE7 Cj4+ICsKPj4gKwkvKiBSZXNlcnZlIGZyb20gdGhlIDQ4IGJpdCBQUEdUVCBzcGFjZSAqLwo+PiAr CXZtYS0+bm9kZS5zdGFydCA9IHNlZ21lbnRfYmFzZV9hZGRyOwo+PiArCXZtYS0+bm9kZS5zaXpl ID0gR0VOOV9UUlRUX1NFR01FTlRfU0laRTsKPj4gKwlyZXQgPSBkcm1fbW1fcmVzZXJ2ZV9ub2Rl KCZ2bS0+bW0sICZ2bWEtPm5vZGUpOwo+PiArCWlmIChyZXQpIHsKPj4gKwkJcmV0ID0gaTkxNV9n ZW1fZXZpY3RfZm9yX3ZtYSh2bWEpOwo+Cj4gR2l2ZW4gdGhhdCB0aGlzIGhhcyBhIGtub3duIEdQ RiwgeW91IG5lZWQgYSB0ZXN0IGNhc2UgdGhhdCB0cmllcyB0bwo+IGV2aWN0IGFuIGFjdGl2ZS9o YW5naW5nIG9iamVjdCBpbiBvcmRlciB0byBtYWtlIHJvb20gZm9yIHRoZSB0cnR0Lgo+CkluIHRo ZSBuZXcgdGVzdCBjYXNlLCB3aWxsIHNvZnQgcGluIG9iamVjdHMgaW4gVFItVFQgc2VnbWVudCBm aXJzdC4gVGhlbiAKbGF0ZXIgb24gZW5hYmxpbmcgVFItVFQsIHRob3NlIG9iamVjdHMgc2hvdWxk IGdldCBldmljdGVkLgoKPj4gK3N0YXRpYyBpbnQgZ2VuOV9pbml0X2NvbnRleHRfdHJ0dChzdHJ1 Y3QgZHJtX2k5MTVfZ2VtX3JlcXVlc3QgKnJlcSkKPgo+IFNpbmNlIFRSVFQgaXMgcmVuZGVyIG9u bHksIGNhbGwgdGhpcyBnZW45X2luaXRfcmNzX2NvbnRleHRfdHJ0dCgpCj4KVGhhbmtzLCB3aWxs IGNoYW5nZS4KCj4+ICAgc3RhdGljIGludCBpbnRlbF9sb2dpY2FsX3JpbmdfZW1pdF9wZHBzKHN0 cnVjdCBkcm1faTkxNV9nZW1fcmVxdWVzdCAqcmVxKQo+PiAgIHsKPj4gICAJc3RydWN0IGk5MTVf aHdfcHBndHQgKnBwZ3R0ID0gcmVxLT5jdHgtPnBwZ3R0Owo+PiBAQCAtMTY5Myw2ICsxNzU3LDIw IEBAIHN0YXRpYyBpbnQgZ2VuOF9lbWl0X2JiX3N0YXJ0KHN0cnVjdCBkcm1faTkxNV9nZW1fcmVx dWVzdCAqcmVxLAo+PiAgIAkJcmVxLT5jdHgtPnBwZ3R0LT5wZF9kaXJ0eV9yaW5ncyAmPSB+aW50 ZWxfcmluZ19mbGFnKHJlcS0+cmluZyk7Cj4+ICAgCX0KPj4KPj4gKwkvKgo+PiArCSAqIEVtaXR0 aW5nIExSSXMgdG8gdXBkYXRlIHRoZSBUUlRUIHJlZ2lzdGVycyBpcyBtb3N0IHJlbGlhYmxlLCBp bnN0ZWFkCj4+ICsJICogb2YgZGlyZWN0bHkgdXBkYXRpbmcgdGhlIGNvbnRleHQgaW1hZ2UsIGFz IHRoaXMgd2lsbCBlbnN1cmUgdGhhdAo+PiArCSAqIHVwZGF0ZSBoYXBwZW5zIGluIGEgc2VyaWFs aXplZCBtYW5uZXIgZm9yIHRoZSBjb250ZXh0IGFuZCBhbHNvCj4+ICsJICogbGl0ZS1yZXN0b3Jl IHNjZW5hcmlvIHdpbGwgZ2V0IGhhbmRsZWQuCj4+ICsJICovCj4+ICsJaWYgKChyZXEtPnJpbmct PmlkID09IFJDUykgJiYgcmVxLT5jdHgtPnRydHRfaW5mby51cGRhdGVfdHJ0dF9wYXJhbXMpIHsK Pj4gKwkJcmV0ID0gZ2VuOV9lbWl0X3RydHRfcmVncyhyZXEpOwo+PiArCQlpZiAocmV0KQo+PiAr CQkJcmV0dXJuIHJldDsKPj4gKwo+PiArCQlyZXEtPmN0eC0+dHJ0dF9pbmZvLnVwZGF0ZV90cnR0 X3BhcmFtcyA9IGZhbHNlOwo+Cj4gQmFoLiBTaW5jZSB3ZSBjYW4gb25seSB1cGRhdGUgdGhlIHBh cmFtcyBvbmNlIChFRVhJU1Qgb3RoZXJ3aXNlKSwKPiB3ZSBlbWl0IHRoZSBjaGFuZ2Ugd2hlbiB0 aGUgdXNlciBzZXRzIHRoZSBuZXcgcGFyYW1zLgoKU29ycnkgY291bGRuJ3QgZ2V0IHRoaXMgcG9p bnQuIFdlIGNhbid0IGVtaXQgdGhlIHBhcmFtcyByaWdodCBhd2F5IHdoZW4gClVzZXIgc2V0cyB0 aGVtIChvbmx5IG9uY2UpLiBXZSBuZWVkIHRvIGVtaXQvYXBwbHkgdGhlIHBhcmFtcyAob25ldGlt ZSkgCmluIGEgZGVmZXJyZWQgbWFubmVyIG9uIHRoZSBuZXh0IHN1Ym1pc3Npb24uCgpCZXN0IHJl Z2FyZHMKQWthc2gKCj4gLUNocmlzCj4KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4Cg==