From mboxrd@z Thu Jan 1 00:00:00 1970 From: "james qian wang (Arm Technology China)" Subject: Re: [bug report] drm/komeda: Add writeback support Date: Mon, 19 Aug 2019 07:11:44 +0000 Message-ID: <20190819071137.GA6502@jamwan02-TSP300> References: <20190814140930.GA31850@mwanda> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from EUR01-VE1-obe.outbound.protection.outlook.com (mail-eopbgr140048.outbound.protection.outlook.com [40.107.14.48]) by gabe.freedesktop.org (Postfix) with ESMTPS id E933889182 for ; Mon, 19 Aug 2019 07:11:58 +0000 (UTC) In-Reply-To: <20190814140930.GA31850@mwanda> Content-Language: en-US Content-ID: <5F62800EB9245A48BE4A0B58D7D54A30@eurprd08.prod.outlook.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Dan Carpenter Cc: nd , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCBBdWcgMTQsIDIwMTkgYXQgMDU6MDk6MzBQTSArMDMwMCwgRGFuIENhcnBlbnRlciB3 cm90ZToKPiBIZWxsbyBqYW1lcyBxaWFuIHdhbmcgKEFybSBUZWNobm9sb2d5IENoaW5hKSwKPiAK PiBUaGUgcGF0Y2ggNWQ1MWY2YzBkYTFiOiAiZHJtL2tvbWVkYTogQWRkIHdyaXRlYmFjayBzdXBw b3J0IiBmcm9tIE1heQo+IDIzLCAyMDE5LCBsZWFkcyB0byB0aGUgZm9sbG93aW5nIHN0YXRpYyBj aGVja2VyIHdhcm5pbmc6Cj4gCj4gCWRyaXZlcnMvZ3B1L2RybS9hcm0vZGlzcGxheS9rb21lZGEv a29tZWRhX3diX2Nvbm5lY3Rvci5jOjE1MSBrb21lZGFfd2JfY29ubmVjdG9yX2FkZCgpCj4gCWVy cm9yOiBub3QgYWxsb2NhdGluZyBlbm91Z2ggZGF0YSAxNTkyIHZzIDE1ODQKPiAKPiBkcml2ZXJz L2dwdS9kcm0vYXJtL2Rpc3BsYXkva29tZWRhL2tvbWVkYV93Yl9jb25uZWN0b3IuYwo+ICAgIDEz OSAgc3RhdGljIGludCBrb21lZGFfd2JfY29ubmVjdG9yX2FkZChzdHJ1Y3Qga29tZWRhX2ttc19k ZXYgKmttcywKPiAgICAxNDAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgc3Ry dWN0IGtvbWVkYV9jcnRjICprY3J0YykKPiAgICAxNDEgIHsKPiAgICAxNDIgICAgICAgICAgc3Ry dWN0IGtvbWVkYV9kZXYgKm1kZXYgPSBrbXMtPmJhc2UuZGV2X3ByaXZhdGU7Cj4gICAgMTQzICAg ICAgICAgIHN0cnVjdCBrb21lZGFfd2JfY29ubmVjdG9yICprd2JfY29ubjsKPiAgICAxNDQgICAg ICAgICAgc3RydWN0IGRybV93cml0ZWJhY2tfY29ubmVjdG9yICp3Yl9jb25uOwo+ICAgIDE0NSAg ICAgICAgICB1MzIgKmZvcm1hdHMsIG5fZm9ybWF0cyA9IDA7Cj4gICAgMTQ2ICAgICAgICAgIGlu dCBlcnI7Cj4gICAgMTQ3ICAKPiAgICAxNDggICAgICAgICAgaWYgKCFrY3J0Yy0+bWFzdGVyLT53 Yl9sYXllcikKPiAgICAxNDkgICAgICAgICAgICAgICAgICByZXR1cm4gMDsKPiAgICAxNTAgIAo+ ICAgIDE1MSAgICAgICAgICBrd2JfY29ubiA9IGt6YWxsb2Moc2l6ZW9mKCp3Yl9jb25uKSwgR0ZQ X0tFUk5FTCk7Cj4gICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIF5e Xl5eXl4KPiBUaGlzIHNob3VsZCBwcm9iYWJseSBiZSAia3diX2Nvbm4iIHdpdGggYSBrPwoKSGkg RGFuOgoKVGhhbmsgeW91IHZlcnkgbXVjaCwgSSdsbCBjb3JyZWN0IGl0IEFTQVAuCgpCVFc6ClNl ZW1zIHRoaXMgZXJyb3IgaGFkIGJlZW4gZGV0ZWN0ZWQgYnkgYSBzdGF0aWMgcGFyc2VyLCBpZiBw b3NzaWJsZQpjYW4geW91IHNoYXJlIHlvdXIgdG9vbHMgb3IgeW91ciBjb21tYW5kIGZvciBob3cg dG8gY2F0Y2ggc3VjaCBwcm9ibGVtCgp0aGFua3MKSmFtZXMuCgo+ICAgIDE1MiAgICAgICAgICBp ZiAoIWt3Yl9jb25uKQo+ICAgIDE1MyAgICAgICAgICAgICAgICAgIHJldHVybiAtRU5PTUVNOwo+ ICAgIDE1NCAgCj4gICAgMTU1ICAgICAgICAgIGt3Yl9jb25uLT53Yl9sYXllciA9IGtjcnRjLT5t YXN0ZXItPndiX2xheWVyOwo+ICAgIDE1NiAgCj4gICAgMTU3ICAgICAgICAgIHdiX2Nvbm4gPSAm a3diX2Nvbm4tPmJhc2U7Cj4gICAgMTU4ICAgICAgICAgIHdiX2Nvbm4tPmVuY29kZXIucG9zc2li bGVfY3J0Y3MgPSBCSVQoZHJtX2NydGNfaW5kZXgoJmtjcnRjLT5iYXNlKSk7Cj4gICAgMTU5ICAK PiAgICAxNjAgICAgICAgICAgZm9ybWF0cyA9IGtvbWVkYV9nZXRfbGF5ZXJfZm91cmNjX2xpc3Qo Jm1kZXYtPmZtdF90YmwsCj4gICAgMTYxICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgICAgICAgIGt3Yl9jb25uLT53Yl9sYXllci0+bGF5ZXJfdHlwZSwKPiAgICAxNjIg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgJm5fZm9ybWF0 cyk7Cj4gCj4gcmVnYXJkcywKPiBkYW4gY2FycGVudGVyCl9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVs QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWls bWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==