From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kazlauskas, Nicholas" Subject: Re: [PATCH] drm/amd/display: wait for fence without holding reservation lock Date: Tue, 2 Apr 2019 14:41:33 +0000 Message-ID: <9f78fcd2-2753-7145-03f9-cee3f4da9938@amd.com> References: <20190402142813.8381-1-christian.koenig@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190402142813.8381-1-christian.koenig-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US Content-ID: <5434E2475017F044A4ACC1D48F8E7EB8-asWib9pRmPqcE4WynfumptQqCkab/8FMAL8bYrjMMd8@public.gmane.org> List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: =?utf-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= , "Wentland, Harry" , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" T24gNC8yLzE5IDEwOjI4IEFNLCBDaHJpc3RpYW4gS8O2bmlnIHdyb3RlOg0KPiBEb24ndCBibG9j ayBvdGhlcnMgd2hpbGUgd2FpdGluZyBmb3IgdGhlIGZlbmNlcyB0byBmaW5pc2gsIGNvbmN1cnJl bnQNCj4gc3VibWlzc2lvbiBpcyBwZXJmZWN0bHkgdmFsaWQgaW4gdGhpcyBjYXNlIGFuZCBob2xk aW5nIHRoZSBsb2NrIGNhbg0KPiBwcmV2ZW50IGtpbGxlZCBhcHBsaWNhdGlvbnMgZnJvbSB0ZXJt aW5hdGluZy4NCj4gDQo+IFNpZ25lZC1vZmYtYnk6IENocmlzdGlhbiBLw7ZuaWcgPGNocmlzdGlh bi5rb2VuaWdAYW1kLmNvbT4NCg0KUmV2aWV3ZWQtYnk6IE5pY2hvbGFzIEthemxhdXNrYXMgPG5p Y2hvbGFzLmthemxhdXNrYXNAYW1kLmNvbT4NCg0KSSBkbyByZWNhbGwgaGF2aW5nIHRoZSBkaXNj dXNzaW9uIGFib3V0IHRoaXMgYSB3aGlsZSBiYWNrIHdpdGggeW91IGFuZCANCkFuZHJleS4NCg0K SSBoaWdobHkgZG91YnQgdGhhdCB0aGUgZmxhZ3Mgd291bGQgZXZlciByZWFsbHkgY2hhbmdlIGhl cmUgKGlmIHRoZXkncmUgDQpldmVuIGNhcGFibGUpIGJldHdlZW4gdGhlIHdhaXQgYW5kIHRoZSBs b2NrIHNvIEkgdGhpbmsgdGhpcyBpcyBmaW5lLg0KDQpJIHRoaW5rIHRoZXJlJ3MgYSBiaWdnZXIg cHJvYmxlbSB3aXRoIHRoYXQgYW5kIGhvdyB0aGV5IGNvdWxkIA0KcG90ZW50aWFsbHkgY2hhbmdl IGJldHdlZW4gYXRvbWljIGNoZWNrIGFuZCBhdG9taWMgY29tbWl0IHRhaWwgYW55d2F5IA0KKGFu ZCBkb2luZyBzb21ldGhpbmcgYmFkIGFmdGVyIHdlIHRoaW5rIGl0J3MgcGFzc2VkIHZhbGlkYXRp b24pLg0KDQpCdXQgdGhpcyBpcyBtb3N0bHkgYSB0aGVvcmV0aWNhbCBjb25jZXJuIEkgdGhpbmsg cmF0aGVyIHRoYW4gYSBwcmFjdGljYWwgDQpvbmUuDQoNClRoYW5rcy4NCg0KTmljaG9sYXMgS2F6 bGF1c2thcw0KDQoNCj4gLS0tDQo+ICAgZHJpdmVycy9ncHUvZHJtL2FtZC9kaXNwbGF5L2FtZGdw dV9kbS9hbWRncHVfZG0uYyB8IDEzICsrKysrKysrLS0tLS0NCj4gICAxIGZpbGUgY2hhbmdlZCwg OCBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9ucygtKQ0KPiANCj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9hbWQvZGlzcGxheS9hbWRncHVfZG0vYW1kZ3B1X2RtLmMgYi9kcml2ZXJzL2dw dS9kcm0vYW1kL2Rpc3BsYXkvYW1kZ3B1X2RtL2FtZGdwdV9kbS5jDQo+IGluZGV4IDY5N2FmNTFk NDAzYS4uOTQyNmU3MDFhN2I2IDEwMDY0NA0KPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2Rp c3BsYXkvYW1kZ3B1X2RtL2FtZGdwdV9kbS5jDQo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQv ZGlzcGxheS9hbWRncHVfZG0vYW1kZ3B1X2RtLmMNCj4gQEAgLTUxMjksMjMgKzUxMjksMjYgQEAg c3RhdGljIHZvaWQgYW1kZ3B1X2RtX2NvbW1pdF9wbGFuZXMoc3RydWN0IGRybV9hdG9taWNfc3Rh dGUgKnN0YXRlLA0KPiAgIAkJCWNvbnRpbnVlOw0KPiAgIAkJfQ0KPiAgIA0KPiArCQlhYm8gPSBn ZW1fdG9fYW1kZ3B1X2JvKGZiLT5vYmpbMF0pOw0KPiArDQo+ICsJCS8qIFdhaXQgZm9yIGFsbCBm ZW5jZXMgb24gdGhpcyBGQiAqLw0KPiArCQlyID0gcmVzZXJ2YXRpb25fb2JqZWN0X3dhaXRfdGlt ZW91dF9yY3UoYWJvLT50Ym8ucmVzdiwgdHJ1ZSwNCj4gKwkJCQkJCQlmYWxzZSwNCj4gKwkJCQkJ CQlNQVhfU0NIRURVTEVfVElNRU9VVCk7DQo+ICsJCVdBUk5fT04ociA8IDApOw0KPiArDQo+ICAg CQkvKg0KPiAgIAkJICogVE9ETyBUaGlzIG1pZ2h0IGZhaWwgYW5kIGhlbmNlIGJldHRlciBub3Qg dXNlZCwgd2FpdA0KPiAgIAkJICogZXhwbGljaXRseSBvbiBmZW5jZXMgaW5zdGVhZA0KPiAgIAkJ ICogYW5kIGluIGdlbmVyYWwgc2hvdWxkIGJlIGNhbGxlZCBmb3INCj4gICAJCSAqIGJsb2NraW5n IGNvbW1pdCB0byBhcyBwZXIgZnJhbWV3b3JrIGhlbHBlcnMNCj4gICAJCSAqLw0KPiAtCQlhYm8g PSBnZW1fdG9fYW1kZ3B1X2JvKGZiLT5vYmpbMF0pOw0KPiAgIAkJciA9IGFtZGdwdV9ib19yZXNl cnZlKGFibywgdHJ1ZSk7DQo+ICAgCQlpZiAodW5saWtlbHkociAhPSAwKSkgew0KPiAgIAkJCURS TV9FUlJPUigiZmFpbGVkIHRvIHJlc2VydmUgYnVmZmVyIGJlZm9yZSBmbGlwXG4iKTsNCj4gICAJ CQlXQVJOX09OKDEpOw0KPiAgIAkJfQ0KPiAgIA0KPiAtCQkvKiBXYWl0IGZvciBhbGwgZmVuY2Vz IG9uIHRoaXMgRkIgKi8NCj4gLQkJV0FSTl9PTihyZXNlcnZhdGlvbl9vYmplY3Rfd2FpdF90aW1l b3V0X3JjdShhYm8tPnRiby5yZXN2LCB0cnVlLCBmYWxzZSwNCj4gLQkJCQkJCQkJCSAgICBNQVhf U0NIRURVTEVfVElNRU9VVCkgPCAwKTsNCj4gLQ0KPiAgIAkJYW1kZ3B1X2JvX2dldF90aWxpbmdf ZmxhZ3MoYWJvLCAmdGlsaW5nX2ZsYWdzKTsNCj4gICANCj4gICAJCWFtZGdwdV9ib191bnJlc2Vy dmUoYWJvKTsNCj4gDQoNCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fCmFtZC1nZnggbWFpbGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeA==