From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Kazlauskas, Nicholas" Subject: Re: [PATCH] drm/amdgpu: Clear VRAM for DRM dumb_create buffers Date: Mon, 11 Mar 2019 17:53:09 +0000 Message-ID: <7e271708-34ad-db55-54ca-eaccd954eff6@amd.com> References: <20190308153816.7978-1-nicholas.kazlauskas@amd.com> <73f25762-0277-7e12-dfff-a016d245478c@gmail.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 Content-ID: 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" , Alex Deucher Cc: amd-gfx list T24gMy8xMS8xOSAxOjMxIFBNLCBLb2VuaWcsIENocmlzdGlhbiB3cm90ZToNCj4gQW0gMTEuMDMu MTkgdW0gMTg6MDQgc2NocmllYiBLYXpsYXVza2FzLCBOaWNob2xhczoNCj4+IE9uIDMvMTEvMTkg MTI6NTggUE0sIENocmlzdGlhbiBLw7ZuaWcgd3JvdGU6DQo+Pj4gQW0gMDguMDMuMTkgdW0gMTc6 NDcgc2NocmllYiBBbGV4IERldWNoZXI6DQo+Pj4+IE9uIEZyaSwgTWFyIDgsIDIwMTkgYXQgMTA6 MzggQU0gTmljaG9sYXMgS2F6bGF1c2thcw0KPj4+PiA8bmljaG9sYXMua2F6bGF1c2thc0BhbWQu Y29tPiB3cm90ZToNCj4+Pj4+IFRoZSBkdW1iX2NyZWF0ZSBBUEkgaXNuJ3QgaW50ZW5kZWQgZm9y IGhpZ2ggcGVyZm9ybWFuY2UgcmVuZGVyaW5nDQo+Pj4+PiBhbmQgaXQncyBtb3JlIHVzZWZ1bCBm b3IgdXNlcnNwYWNlIChpZS4gSUdUKSB0byBoYXZlIHRoZW0gcHJlY2xlYXJlZC4NCj4+Pj4+DQo+ Pj4+PiBUaGUgYm9udXMgaGVyZSBpcyB0aGF0IHdlIGFsc28gd29uJ3QgbmVlZGxlc3NseSBsZWFr IHdoYXRldmVyIHdhcw0KPj4+Pj4gcHJldmlvdXNseSBpbiBWUkFNLCBidXQgaXQgYWxzbyBwcm9i YWJseSB3YXNuJ3Qgc2Vuc2l0aXZlIGlmIGl0IHdhcw0KPj4+Pj4gZ29pbmcgdGhyb3VnaCB0aGlz IEFQSS4NCj4+Pj4+DQo+Pj4+PiBTaWduZWQtb2ZmLWJ5OiBOaWNob2xhcyBLYXpsYXVza2FzIDxu aWNob2xhcy5rYXpsYXVza2FzQGFtZC5jb20+DQo+Pj4+IFJldmlld2VkLWJ5OiBBbGV4IERldWNo ZXIgPGFsZXhhbmRlci5kZXVjaGVyQGFtZC5jb20+DQo+Pj4gTkFLLCBJSVJDIHdlIHVzZWQgdG8g aGF2ZSB0aGlzIGJpdCBoZXJlIGJlZm9yZS4NCj4+Pg0KPj4+IEluIGdlbmVyYWwgSSBhZ3JlZSB0 aGF0IHRoaXMgd291bGQgYmUgYSBnb29kIGlkZWEsIGJ1dCB0aGUgcHJvYmxlbSBpcw0KPj4+IHRo ZSB0aGF0IGZpcnN0IGR1bXAgYnVmZmVyIGlzIHNvbWV0aW1lcyBjcmVhdGVkIGJlZm9yZSB0aGUg ZW5naW5lDQo+Pj4gKHVzdWFsbHkgU0RNQSkgdG8gY2xlYXIgVlJBTSBpcyBpbml0aWFsaXplZC4N Cj4+Pg0KPj4+IFNvIHlvdSBjYW4gcnVuIGludG8gYSBuaWNlIGNyYXNoIG9uIHN1c3BlbmQvcmVz dW1lLg0KPj4+DQo+Pj4gQ2hyaXN0aWFuLg0KPj4gRldJVyBJIG5ldmVyIGhpdCBpdCBteXNlbGYg ZHVyaW5nIGFueSBzdXNwZW5kL3Jlc3VtZSB0ZXN0cyBJIGRpZCBidXQNCj4+IEknbGwgdGFrZSB5 b3VyIHdvcmQgZm9yIGl0Lg0KPj4NCj4+IEhvdyBhYm91dCBkb2luZyBhIG1hcC9tZW1zZXQvdW5t YXAgaW1tZWRpYXRlbHkgYWZ0ZXIgYnVmZmVyIGNyZWF0aW9uDQo+PiBoZXJlPyBJdCdkIGJlIG11 Y2ggc2xvd2VyLCBidXQgaXQncyBhbHNvIHdoYXQgd2UnZCBiZSBkb2luZyBpbiB1c2Vyc3BhY2UN Cj4+IGFueXdheS4NCj4gDQo+IEFuZCBoaXN0b3J5IHJlcGVhdCBpdHNlbGYgOikgWWVhaCwgdGhh dCB3YXMgYWxzbyBzdWdnZXN0ZWQgYmVmb3JlIGFuZA0KPiBkaWRuJ3Qgd29ya2VkIGVpdGhlciBm b3Igc29tZSByZWFzb24uDQo+IA0KPiBCdXQgdGhhdCB3YXMgfjIgeWVhcnMgYWdvIGFuZCBJIHJl YWxseSBkb24ndCByZW1lbWJlciB0aGUgZGV0YWlscy4NCj4gDQo+IFdoYXQgY291bGQgd29yayBp cyBtYXliZSB0byBhZGQgYSBjaGVjayBpZiB0aGUgZW5naW5lIGlzIGF2YWlsYWJsZSBpZg0KPiB0 aGUgZmxhZyBpcyBnaXZlbiBhbmQgaWdub3JlIGl0IHdoZW4gaXQgaXNuJ3QuDQo+IA0KPiBDaHJp c3RpYW4uDQoNClRoZSBmdW5jdGlvbiBhbWRncHVfZmlsbF9idWZmZXIgaXMgdXNlZCB0byBjbGVh ciBtZW1vcnksIGFuZCBpdCBjaGVja3MNCg0KaWYgKCFhZGV2LT5tbWFuLmJ1ZmZlcl9mdW5jc19l bmFibGVkKQ0KDQphdCB0aGUgc3RhcnQuIEFuZCBidWZmZXJfZnVuY3NfZW5hYmxlZCBpcyBvbmx5 IHNldCBhZnRlciBTRE1BIGhhcyBiZWVuIA0KaW5pdGlhbGl6ZWQgZm9sbG93aW5nIHJlc3VtZS4g SW4gdGhlIGNhc2Ugd2hlcmUgdGhlIFNETUEgZW5naW5lIGlzIG9mZiANCml0J2xsIGp1c3QgdGhy b3cgdGhhdCBEUk1fRVJST1IgYW5kIHJldHVybiAtRUlOVkFMLg0KDQpTbyBpZiB3ZSBzdGlsbCB3 YW50IHRvIGNvbnRpbnVlIHdpdGggYnVmZmVyIGNyZWF0aW9uIGluIHRoZSBjYXNlIHdoZXJlIA0K dGhlIGVuZ2luZSBpcyBvZmYgdGhlbiB0aGlzIGZsYWcgY291bGQgYWxzbyBiZSBjaGVja2VkIGlu IA0KZHVtYl9idWZmZXJfY3JlYXRlIGFuZCBjbGVhcmVkIGluIHRoZSBjYXNlIHdoZXJlIGJ1ZmZl cl9mdW5jc19lbmFibGVkID0gDQpmYWxzZS4NCg0KSG93IGRvZXMgdGhhdCBzb3VuZCB0byB5b3U/ DQoNCk5pY2hvbGFzIEthemxhdXNrYXMNCg0KPiANCj4+DQo+PiBOaWNob2xhcyBLYXpsYXVza2Fz DQo+Pg0KPj4NCj4+Pj4+IC0tLQ0KPj4+Pj4gICDCoCBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdw dS9hbWRncHVfZ2VtLmMgfCAzICsrLQ0KPj4+Pj4gICDCoCAxIGZpbGUgY2hhbmdlZCwgMiBpbnNl cnRpb25zKCspLCAxIGRlbGV0aW9uKC0pDQo+Pj4+Pg0KPj4+Pj4gZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9nZW0uYw0KPj4+Pj4gYi9kcml2ZXJzL2dwdS9k cm0vYW1kL2FtZGdwdS9hbWRncHVfZ2VtLmMNCj4+Pj4+IGluZGV4IGZjYWFhYzMwZTg0Yi4uYTU4 MDcyYmJjOWI4IDEwMDY0NA0KPj4+Pj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUv YW1kZ3B1X2dlbS5jDQo+Pj4+PiArKysgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRn cHVfZ2VtLmMNCj4+Pj4+IEBAIC03NDMsNyArNzQzLDggQEAgaW50IGFtZGdwdV9tb2RlX2R1bWJf Y3JlYXRlKHN0cnVjdCBkcm1fZmlsZQ0KPj4+Pj4gKmZpbGVfcHJpdiwNCj4+Pj4+ICAgwqDCoMKg wqDCoMKgwqDCoCBkb21haW4gPSBhbWRncHVfYm9fZ2V0X3ByZWZlcnJlZF9waW5fZG9tYWluKGFk ZXYsDQo+Pj4+PiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIA0KPj4+Pj4gYW1k Z3B1X2Rpc3BsYXlfc3VwcG9ydGVkX2RvbWFpbnMoYWRldikpOw0KPj4+Pj4gICDCoMKgwqDCoMKg wqDCoMKgIHIgPSBhbWRncHVfZ2VtX29iamVjdF9jcmVhdGUoYWRldiwgYXJncy0+c2l6ZSwgMCwg ZG9tYWluLA0KPj4+Pj4gLQ0KPj4+Pj4gQU1ER1BVX0dFTV9DUkVBVEVfQ1BVX0FDQ0VTU19SRVFV SVJFRCwNCj4+Pj4+ICsNCj4+Pj4+IEFNREdQVV9HRU1fQ1JFQVRFX0NQVV9BQ0NFU1NfUkVRVUlS RUQgfA0KPj4+Pj4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgQU1ER1BVX0dFTV9DUkVBVEVfVlJBTV9DTEVBUkVE LA0KPj4+Pj4gICDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCB0dG1fYm9fdHlwZV9kZXZpY2UsIE5VTEwsICZn b2JqKTsNCj4+Pj4+ICAgwqDCoMKgwqDCoMKgwqDCoCBpZiAocikNCj4+Pj4+ICAgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcmV0dXJuIC1FTk9NRU07DQo+Pj4+PiAtLSANCj4+Pj4+ IDIuMTcuMQ0KPj4+Pj4NCj4+Pj4+IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fDQo+Pj4+PiBhbWQtZ2Z4IG1haWxpbmcgbGlzdA0KPj4+Pj4gYW1kLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcNCj4+Pj4+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3Jn L21haWxtYW4vbGlzdGluZm8vYW1kLWdmeA0KPj4+PiBfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXw0KPj4+PiBhbWQtZ2Z4IG1haWxpbmcgbGlzdA0KPj4+PiBh bWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZw0KPj4+PiBodHRwczovL2xpc3RzLmZyZWVkZXNr dG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngNCj4gDQo+IF9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fDQo+IGFtZC1nZnggbWFpbGluZyBsaXN0DQo+ IGFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnDQo+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeA0KPiANCg0KX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9hbWQtZ2Z4