From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chunming Zhou Subject: Re: [PATCH] drm/syncobj: return meaningful value to user space Date: Thu, 18 Jul 2019 14:33:28 +0000 Message-ID: <30bdbec2-4ae1-943b-86a2-2424655fedf5@amd.com> References: <20190718111339.25126-1-david1.zhou@amd.com> <3bef64d0-97be-6aed-aa10-7a4592e7fb54@intel.com> <36d29516-42e7-6ce5-88fc-a005ed4432d6@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-eopbgr770089.outbound.protection.outlook.com [40.107.77.89]) by gabe.freedesktop.org (Postfix) with ESMTPS id B421F6E3F4 for ; Thu, 18 Jul 2019 14:33:30 +0000 (UTC) In-Reply-To: <36d29516-42e7-6ce5-88fc-a005ed4432d6@intel.com> Content-Language: en-US Content-ID: <6324E8B1B802AD44804737DB3EC0E155@namprd12.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: Lionel Landwerlin , "Zhou, David(ChunMing)" , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org DQrlnKggMjAxOS83LzE4IDIyOjA4LCBMaW9uZWwgTGFuZHdlcmxpbiDlhpnpgZM6DQo+IE9uIDE4 LzA3LzIwMTkgMTY6MDIsIENodW5taW5nIFpob3Ugd3JvdGU6DQo+PiDlnKggMjAxOS83LzE4IDE5 OjMxLCBMaW9uZWwgTGFuZHdlcmxpbiDlhpnpgZM6DQo+Pj4gT24gMTgvMDcvMjAxOSAxNDoxMywg Q2h1bm1pbmcgWmhvdSB3cm90ZToNCj4+Pj4gaWYgV0FJVF9GT1JfU1VCTUlUIGlzbid0IHNldCBh bmQgaW4gdGhlIG1lYW53aGlsZSBubyB1bmRlcmx5aW5nIGZlbmNlDQo+Pj4+IG9uIHN5bmNvYmos DQo+Pj4+IHRoZW4gcmV0dXJuIG5vbi1ibG9jayBlcnJvciBjb2RlIHRvIHVzZXIgc2FwY2UuDQo+ Pj4+DQo+Pj4+IFNpZ25lZC1vZmYtYnk6IENodW5taW5nIFpob3UgPGRhdmlkMS56aG91QGFtZC5j b20+DQo+Pj4+IC0tLQ0KPj4+PiDCoMKgIGRyaXZlcnMvZ3B1L2RybS9kcm1fc3luY29iai5jIHwg NCArKy0tDQo+Pj4+IMKgwqAgMSBmaWxlIGNoYW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMiBkZWxl dGlvbnMoLSkNCj4+Pj4NCj4+Pj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fc3lu Y29iai5jDQo+Pj4+IGIvZHJpdmVycy9ncHUvZHJtL2RybV9zeW5jb2JqLmMNCj4+Pj4gaW5kZXgg MzYxYTAxYTA4YzE4Li45MjlmN2M2NGY5YTIgMTAwNjQ0DQo+Pj4+IC0tLSBhL2RyaXZlcnMvZ3B1 L2RybS9kcm1fc3luY29iai5jDQo+Pj4+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fc3luY29i ai5jDQo+Pj4+IEBAIC0yNTIsNyArMjUyLDcgQEAgaW50IGRybV9zeW5jb2JqX2ZpbmRfZmVuY2Uo c3RydWN0IGRybV9maWxlDQo+Pj4+ICpmaWxlX3ByaXZhdGUsDQo+Pj4+IMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqAgcmV0dXJuIDA7DQo+Pj4+IMKgwqDCoMKgwqDCoMKgwqDCoMKgIGRtYV9m ZW5jZV9wdXQoKmZlbmNlKTsNCj4+Pj4gwqDCoMKgwqDCoMKgIH0gZWxzZSB7DQo+Pj4+IC3CoMKg wqDCoMKgwqDCoCByZXQgPSAtRUlOVkFMOw0KPj4+PiArwqDCoMKgwqDCoMKgwqAgcmV0ID0gLUVO T1RCTEs7DQo+Pj4+IMKgwqDCoMKgwqDCoCB9DQo+Pj4+IMKgwqAgwqDCoMKgwqDCoCBpZiAoIShm bGFncyAmIERSTV9TWU5DT0JKX1dBSVRfRkxBR1NfV0FJVF9GT1JfU1VCTUlUKSkNCj4+Pj4gQEAg LTgzMiw3ICs4MzIsNyBAQCBzdGF0aWMgc2lnbmVkIGxvbmcNCj4+Pj4gZHJtX3N5bmNvYmpfYXJy YXlfd2FpdF90aW1lb3V0KHN0cnVjdCBkcm1fc3luY29iaiAqKnN5bmNvYmpzLA0KPj4+PiDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGlmIChmbGFncyAmIERSTV9TWU5DT0JKX1dBSVRfRkxB R1NfV0FJVF9GT1JfU1VCTUlUKSB7DQo+Pj4+IMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDC oMKgwqDCoCBjb250aW51ZTsNCj4+Pj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCB9IGVs c2Ugew0KPj4+PiAtwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHRpbWVvdXQgPSAtRUlO VkFMOw0KPj4+PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIHRpbWVvdXQgPSAtRU5P VEJMSzsNCj4+Pj4gwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGdvdG8gY2xl YW51cF9lbnRyaWVzOw0KPj4+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIH0NCj4+Pj4g wqDCoMKgwqDCoMKgwqDCoMKgwqAgfQ0KPj4+DQo+Pj4gVGhpcyB3b3VsZCBicmVhayBleGlzdGlu ZyB0ZXN0cyBmb3IgYmluYXJ5IHN5bmNvYmpzLg0KPj4gSG93IGRvZXMgdGhpcyBicmVha3MgYmlu YXJ5IHN5bmNvYmo/DQo+DQo+DQo+IFRoaXMgaXMgdXNlZCBpbiB0aGUgc3VibWlzc2lvbiBwYXRo IG9mIHNldmVyYWwgZHJpdmVycy4NCj4NCj4gQ2hhbmdpbmcgdGhlIGVycm9yIGNvZGUgd2lsbCBj aGFuZ2Ugd2hhdCB0aGUgZHJpdmVycyBhcmUgcmVwb3J0aW5nIHRvIA0KPiB1c2Vyc3BhY2UgYW5k IGNvdWxkIGJyZWFrIHRlc3RzLg0KPg0KPg0KPiBpOTE1IGRvZXNuJ3QgdXNlIHRoYXQgZnVuY3Rp b24gc28gaXQncyBub3QgYWZmZWN0ZWQgYnV0IA0KPiBsaW1hL3BhbmZyb3N0L3ZjNCBzZWVtIHRv IGJlLg0KDQoNCmFueW9uZSBmcm9tIHZjNCBjYW4gY29uZmlybSB0aGlzPyBUaGVyZSBhcmUgbWFu eSBwbGFjZSBpbiB3YWl0X2lvY3RsIA0KYmVpbmcgYWJsZSB0byByZXR1cm4gcHJldmlvdXMgRUlO VkFMLCBub3Qgc3VyZSB3aGF0IHRoZXkgdXNlIHRvLg0KDQoNCj4NCj4NCj4+DQo+Pg0KPj4+IElz IHRoaXMgcmVhbGx5IHdoYXQgd2Ugd2FudD8NCj4+IEkgd2FudCB0byB1c2UgdGhpcyBtZWFuaW5n ZnVsIHJldHVybiB2YWx1ZSB0byBqdWRnZSBpZiBXYWl0QmVmb3JlU2lnbmFsDQo+PiBoYXBwZW5z Lg0KPj4NCj4+IEkgdGhpbmsgdGhpcyBpcyB0aGUgY2hlYXBlc3QgY2hhbmdlIGZvciB0aGF0Lg0K Pg0KPg0KPiBJIHRob3VnaHQgdGhlIHBsYW4gd2FzIHRvIGFkZCBhIG5ldyBpb2N0bCB0byBxdWVy eSB0aGUgbGFzdCBzdWJtaXR0ZWQgDQo+IHZhbHVlLg0KDQpZZXMsIHRoYXQgaXMgb3B0aW9uYWwg d2F5IHRvby7CoCBJIGp1c3QgdGhvdWdodCBjaGFuZ2luZyByZXR1cm4gdmFsdWUgaXMgDQp2ZXJ5 IGNoZWFwLCBpc24ndCBpdD8NCg0KDQotRGF2aWQNCg0KPg0KPiBEaWQgSSBtaXN1bmRlcnN0YW5k Pw0KPg0KPg0KPiBUaGFua3MsDQo+DQo+DQo+IC1MaW9uZWwNCj4NCj4NCj4+DQo+PiAtRGF2aWQN Cj4+DQo+Pg0KPj4+DQo+Pj4gLUxpb25lbA0KPj4+DQo+Pj4NCj4NCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJp LWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA==