From mboxrd@z Thu Jan 1 00:00:00 1970 From: "He, Roger" Subject: RE: [PATCH] drm/amd/amdgpu: not allow gtt size exceed system memory size Date: Fri, 10 Nov 2017 12:23:28 +0000 Message-ID: References: <1510313635-16473-1-git-send-email-Hongbo.He@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: Content-Language: en-US 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: "Koenig, Christian" , "amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" DQoNCi0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQpGcm9tOiBDaHJpc3RpYW4gS8O2bmlnIFtt YWlsdG86Y2tvZW5pZy5sZWljaHR6dW1lcmtlbkBnbWFpbC5jb21dIA0KU2VudDogRnJpZGF5LCBO b3ZlbWJlciAxMCwgMjAxNyA4OjAyIFBNDQpUbzogSGUsIFJvZ2VyIDxIb25nYm8uSGVAYW1kLmNv bT47IGFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnDQpTdWJqZWN0OiBSZTogW1BBVENIXSBk cm0vYW1kL2FtZGdwdTogbm90IGFsbG93IGd0dCBzaXplIGV4Y2VlZCBzeXN0ZW0gbWVtb3J5IHNp emUNCg0KQW0gMTAuMTEuMjAxNyB1bSAxMjozMyBzY2hyaWViIFJvZ2VyIEhlOg0KPiBzaW5jZSBz b21ldGltZXMgVlJBTSBzaXplIGlzIGJpZ2dlciB0aGFuIHN5c3RlbSBtZW1vcnkNCj4NCj4gQ2hh bmdlLUlkOiBJNWIxNGQxOGVkN2E5Zjc5ODEwY2M1MGMwMjNhYzllMjQwYmRkZjEwMQ0KPiBTaWdu ZWQtb2ZmLWJ5OiBSb2dlciBIZSA8SG9uZ2JvLkhlQGFtZC5jb20+DQo+IC0tLQ0KPiAgIGRyaXZl cnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90dG0uYyB8IDExICsrKysrKysrLS0tDQo+ICAg MSBmaWxlIGNoYW5nZWQsIDggaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlvbnMoLSkNCj4NCj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90dG0uYyANCj4gYi9k cml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdHRtLmMNCj4gaW5kZXggY2RiZGY2Ny4u ZjEwM2NjYyAxMDA2NDQNCj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1 X3R0bS5jDQo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90dG0uYw0K PiBAQCAtMTMzMCw5ICsxMzMwLDE0IEBAIGludCBhbWRncHVfdHRtX2luaXQoc3RydWN0IGFtZGdw dV9kZXZpY2UgKmFkZXYpDQo+ICAgCURSTV9JTkZPKCJhbWRncHU6ICV1TSBvZiBWUkFNIG1lbW9y eSByZWFkeVxuIiwNCj4gICAJCSAodW5zaWduZWQpIChhZGV2LT5tYy5yZWFsX3ZyYW1fc2l6ZSAv ICgxMDI0ICogMTAyNCkpKTsNCj4gICANCj4gLQlpZiAoYW1kZ3B1X2d0dF9zaXplID09IC0xKQ0K PiAtCQlndHRfc2l6ZSA9IG1heCgoQU1ER1BVX0RFRkFVTFRfR1RUX1NJWkVfTUIgPDwgMjApLA0K PiAtCQkJICAgICAgIGFkZXYtPm1jLm1jX3ZyYW1fc2l6ZSk7DQo+ICsJaWYgKGFtZGdwdV9ndHRf c2l6ZSA9PSAtMSkgew0KPiArCQlzdHJ1Y3Qgc3lzaW5mbyBzaTsNCj4gKw0KPiArCQlzaV9tZW1p bmZvKCZzaSk7DQo+ICsJCWd0dF9zaXplID0gbWluKG1heCgoQU1ER1BVX0RFRkFVTFRfR1RUX1NJ WkVfTUIgPDwgMjApLA0KPiArCQkJICAgICAgIGFkZXYtPm1jLm1jX3ZyYW1fc2l6ZSksDQo+ICsJ CQkgICAgICAgKCh1aW50NjRfdClzaS50b3RhbHJhbSAqIHNpLm1lbV91bml0KSk7DQoNClRUTSBz dGFydHMgdG8gdHJ5IHRvIHN3YXAgdGhpbmdzIG91dCB3aGVuIG1vcmUgdGhhbiA1MCUgb2Ygc3lz dGVtIG1lbW9yeSBhcmUgdXNlZCwgNzUlIGlzIHRoZSBkZWZhdWx0IGhhcmQgbGltaXQgd2hlcmUg aXQgc3RhcnRzIHRvIGJsb2NrIG5ldyBhbGxvY2F0aW9ucy4NCg0KU28gSSB3b3VsZCBnbyB3aXRo IDc1JSBoZXJlIGFzIHdlbGwgYW5kIGNvZGUgdGhpcyBhczoNCg0KZ3R0X3NpemUgPSBBTURHUFVf REVGQVVMVF9HVFRfU0laRV9NQiA8PCAyMDsgZ3R0X3NpemUgPSBtYXgoZ3R0X3NpemUsIGFkZXYt Pm1jLm1jX3ZyYW1fc2l6ZSk7IGd0dF9zaXplID0gbWluKGd0dF9zaXplLCAoKHVpbnQ2NF90KXNp LnRvdGFscmFtICogc2kubWVtX3VuaXQpICogNzUgLyAxMDApOw0KDQpbUm9nZXJdOiBidXQgaW4g YW1kZ3B1X2luZm9faW9jdGwsIGZvciBHVFQgc2l6ZSwgcmVwb3J0ZWQgdG8gVU1EIGFscmVhZHkg aXMgKjMvNA0KCWNhc2UgQU1ER1BVX0lORk9fTUVNT1JZOiB7DQoJCQ0KCQltZW0uZ3R0LmhlYXBf dXNhZ2UgPQ0KCQkJYW1kZ3B1X2d0dF9tZ3JfdXNhZ2UoJmFkZXYtPm1tYW4uYmRldi5tYW5bVFRN X1BMX1RUXSk7DQoJCW1lbS5ndHQubWF4X2FsbG9jYXRpb24gPSBtZW0uZ3R0LnVzYWJsZV9oZWFw X3NpemUgKiAzIC8gNDsNCgkNCglTbyBpcyBpdCBkdXBsaWNhdGVkICBpZiAqNzUvMTAwIGhlcmU/ DQoNCg0KUmVnYXJkcywNCkNocmlzdGlhbi4NCg0KPiArCQkNCg0KDQo+ICsJfQ0KPiAgIAllbHNl DQo+ICAgCQlndHRfc2l6ZSA9ICh1aW50NjRfdClhbWRncHVfZ3R0X3NpemUgPDwgMjA7DQo+ICAg CXIgPSB0dG1fYm9faW5pdF9tbSgmYWRldi0+bW1hbi5iZGV2LCBUVE1fUExfVFQsIGd0dF9zaXpl ID4+IA0KPiBQQUdFX1NISUZUKTsNCg0KDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2FtZC1nZngK