From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix Kuehling Subject: Re: [PATCH] drm/amd/amdgpu: not allow gtt size exceed system memory size Date: Mon, 13 Nov 2017 17:34:42 -0500 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-CA 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: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org T24gMjAxNy0xMS0xMCAwNzowMiBBTSwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBBbSAxMC4x MS4yMDE3IHVtIDEyOjMzIHNjaHJpZWIgUm9nZXIgSGU6Cj4+IHNpbmNlIHNvbWV0aW1lcyBWUkFN IHNpemUgaXMgYmlnZ2VyIHRoYW4gc3lzdGVtIG1lbW9yeQo+Pgo+PiBDaGFuZ2UtSWQ6IEk1YjE0 ZDE4ZWQ3YTlmNzk4MTBjYzUwYzAyM2FjOWUyNDBiZGRmMTAxCj4+IFNpZ25lZC1vZmYtYnk6IFJv Z2VyIEhlIDxIb25nYm8uSGVAYW1kLmNvbT4KPj4gLS0tCj4+IMKgIGRyaXZlcnMvZ3B1L2RybS9h bWQvYW1kZ3B1L2FtZGdwdV90dG0uYyB8IDExICsrKysrKysrLS0tCj4+IMKgIDEgZmlsZSBjaGFu Z2VkLCA4IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4+Cj4+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdHRtLmMKPj4gYi9kcml2ZXJzL2dwdS9k cm0vYW1kL2FtZGdwdS9hbWRncHVfdHRtLmMKPj4gaW5kZXggY2RiZGY2Ny4uZjEwM2NjYyAxMDA2 NDQKPj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3R0bS5jCj4+ICsr KyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90dG0uYwo+PiBAQCAtMTMzMCw5 ICsxMzMwLDE0IEBAIGludCBhbWRncHVfdHRtX2luaXQoc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFk ZXYpCj4+IMKgwqDCoMKgwqAgRFJNX0lORk8oImFtZGdwdTogJXVNIG9mIFZSQU0gbWVtb3J5IHJl YWR5XG4iLAo+PiDCoMKgwqDCoMKgwqDCoMKgwqDCoCAodW5zaWduZWQpIChhZGV2LT5tYy5yZWFs X3ZyYW1fc2l6ZSAvICgxMDI0ICogMTAyNCkpKTsKPj4gwqAgLcKgwqDCoCBpZiAoYW1kZ3B1X2d0 dF9zaXplID09IC0xKQo+PiAtwqDCoMKgwqDCoMKgwqAgZ3R0X3NpemUgPSBtYXgoKEFNREdQVV9E RUZBVUxUX0dUVF9TSVpFX01CIDw8IDIwKSwKPj4gLcKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoCBhZGV2LT5tYy5tY192cmFtX3NpemUpOwo+PiArwqDCoMKgIGlmIChhbWRncHVf Z3R0X3NpemUgPT0gLTEpIHsKPj4gK8KgwqDCoMKgwqDCoMKgIHN0cnVjdCBzeXNpbmZvIHNpOwo+ PiArCj4+ICvCoMKgwqDCoMKgwqDCoCBzaV9tZW1pbmZvKCZzaSk7Cj4+ICvCoMKgwqDCoMKgwqDC oCBndHRfc2l6ZSA9IG1pbihtYXgoKEFNREdQVV9ERUZBVUxUX0dUVF9TSVpFX01CIDw8IDIwKSwK Pj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBhZGV2LT5tYy5tY192cmFt X3NpemUpLAo+PiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgICgodWludDY0 X3Qpc2kudG90YWxyYW0gKiBzaS5tZW1fdW5pdCkpOwo+Cj4gVFRNIHN0YXJ0cyB0byB0cnkgdG8g c3dhcCB0aGluZ3Mgb3V0IHdoZW4gbW9yZSB0aGFuIDUwJSBvZiBzeXN0ZW0KPiBtZW1vcnkgYXJl IHVzZWQsIDc1JSBpcyB0aGUgZGVmYXVsdCBoYXJkIGxpbWl0IHdoZXJlIGl0IHN0YXJ0cyB0bwo+ IGJsb2NrIG5ldyBhbGxvY2F0aW9ucy4KPgo+IFNvIEkgd291bGQgZ28gd2l0aCA3NSUgaGVyZSBh cyB3ZWxsIGFuZCBjb2RlIHRoaXMgYXM6CgpJIGJlbGlldmUgdGhvc2UgbGltaXRzIGNhbiBiZSB0 d2Vha2VkIGluCi9zeXMvZGV2aWNlcy92aXJ0dWFsL2RybS90dG0vbWVtb3J5X2FjY291bnRpbmcu IFRoZXJlZm9yZSBJJ2QgYmUgYWdhaW5zdApoYXJkLWNvZGluZyBzdHJpY3QgbGltaXRzIGluIHRo ZSBkcml2ZXIuCgpSZWdhcmRzLArCoCBGZWxpeAoKPgo+IGd0dF9zaXplID0gQU1ER1BVX0RFRkFV TFRfR1RUX1NJWkVfTUIgPDwgMjA7Cj4gZ3R0X3NpemUgPSBtYXgoZ3R0X3NpemUsIGFkZXYtPm1j Lm1jX3ZyYW1fc2l6ZSk7Cj4gZ3R0X3NpemUgPSBtaW4oZ3R0X3NpemUsICgodWludDY0X3Qpc2ku dG90YWxyYW0gKiBzaS5tZW1fdW5pdCkgKiA3NSAvCj4gMTAwKTsKPgo+Cj4gUmVnYXJkcywKPiBD aHJpc3RpYW4uCj4KPj4gK8KgwqDCoMKgwqDCoMKgCj4KPgo+PiArwqDCoMKgIH0KPj4gwqDCoMKg wqDCoCBlbHNlCj4+IMKgwqDCoMKgwqDCoMKgwqDCoCBndHRfc2l6ZSA9ICh1aW50NjRfdClhbWRn cHVfZ3R0X3NpemUgPDwgMjA7Cj4+IMKgwqDCoMKgwqAgciA9IHR0bV9ib19pbml0X21tKCZhZGV2 LT5tbWFuLmJkZXYsIFRUTV9QTF9UVCwgZ3R0X3NpemUgPj4KPj4gUEFHRV9TSElGVCk7Cj4KPgo+ IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4gYW1kLWdm eCBtYWlsaW5nIGxpc3QKPiBhbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8v bGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxp c3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==