From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 04/11] drm/i915: Clearing buffer objects via CPU/GTT Date: Thu, 14 Jan 2016 10:06:57 +0000 Message-ID: <20160114100657.GN29867@nuc-i3427.alporthouse.com> References: <1452752207-30382-1-git-send-email-ankitprasad.r.sharma@intel.com> <1452752207-30382-5-git-send-email-ankitprasad.r.sharma@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from fireflyinternet.com (mail.fireflyinternet.com [87.106.93.118]) by gabe.freedesktop.org (Postfix) with ESMTP id 8A7666E831 for ; Thu, 14 Jan 2016 02:07:03 -0800 (PST) Content-Disposition: inline In-Reply-To: <1452752207-30382-5-git-send-email-ankitprasad.r.sharma@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: ankitprasad.r.sharma@intel.com Cc: intel-gfx@lists.freedesktop.org, akash.goel@intel.com, shashidhar.hiremath@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBKYW4gMTQsIDIwMTYgYXQgMTE6NDY6NDBBTSArMDUzMCwgYW5raXRwcmFzYWQuci5z aGFybWFAaW50ZWwuY29tIHdyb3RlOgo+IEZyb206IEFua2l0cHJhc2FkIFNoYXJtYSA8YW5raXRw cmFzYWQuci5zaGFybWFAaW50ZWwuY29tPgo+IAo+IFRoaXMgcGF0Y2ggYWRkcyBzdXBwb3J0IGZv ciBjbGVhcmluZyBidWZmZXIgb2JqZWN0cyB2aWEgQ1BVL0dUVC4gVGhpcwo+IGlzIHBhcnRpY3Vs YXJseSB1c2VmdWwgZm9yIGNsZWFyaW5nIG91dCB0aGUgbm9uIHNobWVtIGJhY2tlZCBvYmplY3Rz Lgo+IEN1cnJlbnRseSBpbnRlbmQgdG8gdXNlIHRoaXMgb25seSBmb3IgYnVmZmVycyBhbGxvY2F0 ZWQgZnJvbSBzdG9sZW4KPiByZWdpb24uCj4gCj4gdjI6IEFkZGVkIGtlcm5lbCBkb2MgZm9yIGk5 MTVfZ2VtX2NsZWFyX29iamVjdCgpLCBjb3JyZWN0ZWQvcmVtb3ZlZAo+IHZhcmlhYmxlIGFzc2ln bm1lbnRzIChUdnJ0a28pCj4gCj4gdjM6IE1hcCBvYmplY3QgcGFnZSBieSBwYWdlIHRvIHRoZSBn dHQgaWYgdGhlIHBpbm5pbmcgb2YgdGhlIHdob2xlIG9iamVjdAo+IHRvIHRoZSBnZ3R0IGZhaWxz LCBDb3JyZWN0ZWQgZnVuY3Rpb24gbmFtZSAoQ2hyaXMpCj4gCj4gdjQ6IENsZWFyIHRoZSBidWZm ZXIgcGFnZSBieSBwYWdlLCBhbmQgbm90IG1hcCB0aGUgd2hvbGUgb2JqZWN0IGluIHRoZSBndHQK PiBhcGVydHVyZS4gVXNlIGk5MTUgd3JhcHBlciBmdW5jdGlvbiBpbiBwbGFjZSBvZiBkcm1fbW1f aW5zZXJ0X25vZGVfaW5fcmFuZ2UuCj4gCj4gdjU6IFVzZSByZW5hbWVkIHdyYXBwZXIgZnVuY3Rp b24gZm9yIGRybV9tbV9pbnNlcnRfbm9kZV9pbl9yYW5nZSwKPiB1cGRhdGVkIGJhcnJpZXIgcG9z aXRpb25pbmcgKENocmlzKQo+IAo+IHY2OiBVc2UgUEFHRV9TSVpFIGluc3RlYWQgb2YgNDA5Niwg dXNlIGdldF9wYWdlcyBjYWxsIGJlZm9yZSBwaW5uaW5nIHBhZ2VzCj4gKFR2cnRrbykKPiAKPiBU ZXN0Y2FzZTogaWd0L2dlbV9zdG9sZW4KPiAKPiBTaWduZWQtb2ZmLWJ5OiBBbmtpdHByYXNhZCBT aGFybWEgPGFua2l0cHJhc2FkLnIuc2hhcm1hQGludGVsLmNvbT4KPiBSZXZpZXdlZC1ieTogVHZy dGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9kcnYuaCB8ICAxICsKPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV9nZW0uYyB8IDQ5ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrCj4g IDIgZmlsZXMgY2hhbmdlZCwgNTAgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9k cnYuaAo+IGluZGV4IDdkYzEyMmYuLjExNTMxNTAgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9kcnYuaAo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2 LmgKPiBAQCAtMjg5Myw2ICsyODkzLDcgQEAgaW50IGk5MTVfZ2VtX29ial9wcmVwYXJlX3NobWVt X3JlYWQoc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiwKPiAgCQkJCSAgICBpbnQgKm5l ZWRzX2NsZmx1c2gpOwo+ICAKPiAgaW50IF9fbXVzdF9jaGVjayBpOTE1X2dlbV9vYmplY3RfZ2V0 X3BhZ2VzKHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmopOwo+ICtpbnQgaTkxNV9nZW1f b2JqZWN0X2NsZWFyKHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmopOwo+ICAKPiAgc3Rh dGljIGlubGluZSBpbnQgX19zZ19wYWdlX2NvdW50KHN0cnVjdCBzY2F0dGVybGlzdCAqc2cpCj4g IHsKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiBpbmRleCA0ZWY3NGNmLi5hMjEzOGMwIDEwMDY0 NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiArKysgYi9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCj4gQEAgLTUzNTksMyArNTM1OSw1MiBAQCBmYWlsOgo+ ICAJZHJtX2dlbV9vYmplY3RfdW5yZWZlcmVuY2UoJm9iai0+YmFzZSk7Cj4gIAlyZXR1cm4gRVJS X1BUUihyZXQpOwo+ICB9Cj4gKwo+ICsvKioKPiArICogaTkxNV9nZW1fb2JqZWN0X2NsZWFyKCkg LSBDbGVhciBidWZmZXIgb2JqZWN0IHZpYSBDUFUvR1RUCj4gKyAqIEBvYmo6IEJ1ZmZlciBvYmpl Y3QgdG8gYmUgY2xlYXJlZAo+ICsgKgo+ICsgKiBSZXR1cm46IDAgLSBzdWNjZXNzLCBub24temVy byAtIGZhaWx1cmUKPiArICovCj4gK2ludCBpOTE1X2dlbV9vYmplY3RfY2xlYXIoc3RydWN0IGRy bV9pOTE1X2dlbV9vYmplY3QgKm9iaikKPiArewo+ICsJaW50IHJldCwgaTsKPiArCWNoYXIgX19p b21lbSAqYmFzZTsKPiArCXNpemVfdCBzaXplID0gb2JqLT5iYXNlLnNpemU7Cj4gKwlzdHJ1Y3Qg ZHJtX2k5MTVfcHJpdmF0ZSAqaTkxNSA9IHRvX2k5MTUob2JqLT5iYXNlLmRldik7Cj4gKwlzdHJ1 Y3QgZHJtX21tX25vZGUgbm9kZTsKPiArCj4gKwlsb2NrZGVwX2Fzc2VydF9oZWxkKCZvYmotPmJh c2UuZGV2LT5zdHJ1Y3RfbXV0ZXgpOwo+ICsJbWVtc2V0KCZub2RlLCAwLCBzaXplb2Yobm9kZSkp OwoKV2UgYXJlIHJlcGVhdGluZyB0aGlzPyBJIHRoaW5rIGV2ZXJ5IGNhbGxlciBoYXMgdG8gY2xl YXIgdGhlIG5vZGUgYmVmb3JlCmluc2VydGluZyBpdCAocGFydCBvZiB0aGUgcmVxdWlyZW1lbnQg b2YgdGhlIGRybV9tbV9pbnNlcnRfbm9kZSksIHNvIHdlCmNhbiBtb3ZlIGl0IHRvIGluc2VydF9t YXBwYWJsZV9ub2RlKCkuCgo+ICsJcmV0ID0gaW5zZXJ0X21hcHBhYmxlX25vZGUoaTkxNSwgJm5v ZGUsIFBBR0VfU0laRSk7Cj4gKwlpZiAocmV0KQoJCXJldHVybiByZXQ7Cgo+ICsKPiArCXJldCA9 IGk5MTVfZ2VtX29iamVjdF9nZXRfcGFnZXMob2JqKTsKPiArCWlmIChyZXQpIHsKCQlnb3RvIGVy cl9yZW1vdmVfbm9kZTsKCj4gKwl9Cj4gKwo+ICsJaTkxNV9nZW1fb2JqZWN0X3Bpbl9wYWdlcyhv YmopOwo+ICsJYmFzZSA9IGlvX21hcHBpbmdfbWFwX3djKGk5MTUtPmd0dC5tYXBwYWJsZSwgbm9k ZS5zdGFydCk7Cj4gKwlmb3IgKGkgPSAwOyBpIDwgc2l6ZS9QQUdFX1NJWkU7IGkrKykgewo+ICsJ CWk5MTUtPmd0dC5iYXNlLmluc2VydF9wYWdlKCZpOTE1LT5ndHQuYmFzZSwKPiArCQkJCQkgICBp OTE1X2dlbV9vYmplY3RfZ2V0X2RtYV9hZGRyZXNzKG9iaiwgaSksCj4gKwkJCQkJICAgbm9kZS5z dGFydCwKPiArCQkJCQkgICBJOTE1X0NBQ0hFX05PTkUsIDApOwo+ICsJCXdtYigpOwo+ICsJCW1l bXNldF9pbyhiYXNlLCAwLCBQQUdFX1NJWkUpOwo+ICsJCXdtYigpOwo+ICsJfQo+ICsKPiArCWlv X21hcHBpbmdfdW5tYXAoYmFzZSk7Cj4gKwlpOTE1LT5ndHQuYmFzZS5jbGVhcl9yYW5nZSgmaTkx NS0+Z3R0LmJhc2UsCj4gKwkJCW5vZGUuc3RhcnQsIG5vZGUuc2l6ZSwKPiArCQkJdHJ1ZSk7Cj4g KwlyZW1vdmVfbWFwcGFibGVfbm9kZSgmbm9kZSk7Cj4gKwlpOTE1X2dlbV9vYmplY3RfdW5waW5f cGFnZXMob2JqKTsKPiArCWk5MTVfZ2VtX29iamVjdF9wdXRfcGFnZXMob2JqKTsKCkFnYWluIGRv bid0IHB1dCBwYWdlcy4uLgoKPiArb3V0OgoKRml4IHRoZSBvbmlvbi4KaS5lLiB1bmRvIHRoZSBv cGVyYXRpb24gaW4gcmV2ZXJzZSBvcmRlcjsKCglwdXRfcGFnZXMob2JqKTsKZXJyX3JlbW92ZV9u b2RlOgoJcmVtb3ZlX21hcHBhYmxlX25vZGUoJm5vZGUpOwo+ICsJcmV0dXJuIHJldDsKLUNocmlz CgotLSAKQ2hyaXMgV2lsc29uLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRyZQpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZngg bWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=