From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH] drm/i915: Skip clearing the GGTT on full-ppgtt systems Date: Fri, 13 May 2016 09:22:03 +0300 Message-ID: <1463120523.5008.1.camel@linux.intel.com> References: <1463051981-24852-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 8E6766EA2A for ; Fri, 13 May 2016 06:20:14 +0000 (UTC) In-Reply-To: <1463051981-24852-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson , intel-gfx@lists.freedesktop.org Cc: David Weinehall List-Id: intel-gfx@lists.freedesktop.org T24gdG8sIDIwMTYtMDUtMTIgYXQgMTI6MTkgKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiBV bmRlciBmdWxsLXBwZ3R0LCBhY2Nlc3MgdG8gdGhlIGdsb2JhbCBHVFQgaXMgY2FyZWZ1bGx5IHJl Z3VsYXRlZAo+IHRocm91Z2ggaGFyZHdhcmUgZnVuY3Rpb25zIChpLmUuIHVzZXJzcGFjZSBjYW5u b3QgcmVhZCBhbmQgd3JpdGUgdG8KPiBhcmJpdHJhcnkgbG9jYXRpb25zIGluIHRoZSBHR1RUIHZp YSB0aGUgR1BVKS4gV2l0aCB0aGlzIHJlc3RyaWN0aW9uIGluCj4gcGxhY2UsIHdlIGNhbiBmb3Jn byBjbGVhcmluZyBzdGFsZSBlbnRyaWVzIGZyb20gdGhlIEdHVFQgYXMgdGhleSB3aWxsCj4gbm90 IGJlIGFjY2Vzc2VkLgo+IAo+IEZvciBhbGlhc2luZy1wcGd0dCwgd2UgY291bGQgYWxtb3N0IGRv IHRoZSBzYW1lIGV4Y2VwdCB0aGF0IHdlIGRvIGFsbG93Cj4gdXNlcnNwYWNlIGFjY2VzcyB0byB0 aGUgZ2xvYmFsLUdUVCB2aWEgZXhlY2J1ZiBpbiBvcmRlciB0byB3b3JrcmFvdW5kCj4gc29tZSBx dWlya3Mgb2YgY2VydGFpbiBpbnN0cnVjdGlvbnMuIChUaGlzIGV4ZWNidWYgcGF0aCBpcyBmaWx0 ZXJlZCBvdXQKPiB3aXRoIEVJTlZBTCBvbiBmdWxsLXBwZ3R0LikKPiAKPiBUaGUgbW9zdCBkcmFt YXRpYyBlZmZlY3QgdGhpcyB3aWxsIGhhdmUgd2lsbCBiZSBkdXJpbmcgcmVzdW1lLCBhcyB3aXRo Cj4gZnVsbC1wcGd0dCB0aGUgR0dUVCBpcyBvbmx5IHVzZWQgc3BhcmluZ2x5Lgo+IAo+IFNpZ25l ZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBE YXZpZCBXZWluZWhhbGwgPGRhdmlkLndlaW5laGFsbEBpbnRlbC5jb20+Cj4gLS0tCj4gwqBkcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYyB8IDIwICsrKysrKysrKysrKysrKy0tLS0t Cj4gwqAxIGZpbGUgY2hhbmdlZCwgMTUgaW5zZXJ0aW9ucygrKSwgNSBkZWxldGlvbnMoLSkKPiAK PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMgYi9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYwo+IGluZGV4IDMxOWYzYjQ1OWIzZS4uN2Vh YjYxOWEzZWIyIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0 dC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMKPiBAQCAtMjQ3 Nyw2ICsyNDc3LDEzIEBAIHN0YXRpYyB2b2lkIGdlbjZfZ2d0dF9pbnNlcnRfZW50cmllcyhzdHJ1 Y3QgaTkxNV9hZGRyZXNzX3NwYWNlICp2bSwKPiDCoAlhc3NlcnRfcnBtX2F0b21pY19lbmQoZGV2 X3ByaXYsIHJwbV9hdG9taWNfc2VxKTsKPiDCoH0KPiDCoAo+ICtzdGF0aWMgdm9pZCBub3BfY2xl YXJfcmFuZ2Uoc3RydWN0IGk5MTVfYWRkcmVzc19zcGFjZSAqdm0sCj4gKwkJCcKgwqDCoMKgdWlu dDY0X3Qgc3RhcnQsCj4gKwkJCcKgwqDCoMKgdWludDY0X3QgbGVuZ3RoLAo+ICsJCQnCoMKgwqDC oGJvb2wgdXNlX3NjcmF0Y2gpCj4gK3sKPiArfQo+ICsKPiDCoHN0YXRpYyB2b2lkIGdlbjhfZ2d0 dF9jbGVhcl9yYW5nZShzdHJ1Y3QgaTkxNV9hZGRyZXNzX3NwYWNlICp2bSwKPiDCoAkJCQnCoMKg dWludDY0X3Qgc3RhcnQsCj4gwqAJCQkJwqDCoHVpbnQ2NF90IGxlbmd0aCwKPiBAQCAtMzA3Miwx NCArMzA3OSwxNyBAQCBzdGF0aWMgaW50IGdlbjhfZ21jaF9wcm9iZShzdHJ1Y3QgaTkxNV9nZ3R0 ICpnZ3R0KQo+IMKgCj4gwqAJcmV0ID0gZ2d0dF9wcm9iZV9jb21tb24oZGV2LCBnZ3R0LT5zaXpl KTsKPiDCoAo+IC0JZ2d0dC0+YmFzZS5jbGVhcl9yYW5nZSA9IGdlbjhfZ2d0dF9jbGVhcl9yYW5n ZTsKPiAtCWlmIChJU19DSEVSUllWSUVXKGRldl9wcml2KSkKPiAtCQlnZ3R0LT5iYXNlLmluc2Vy dF9lbnRyaWVzID0gZ2VuOF9nZ3R0X2luc2VydF9lbnRyaWVzX19CS0w7Cj4gLQllbHNlCj4gLQkJ Z2d0dC0+YmFzZS5pbnNlcnRfZW50cmllcyA9IGdlbjhfZ2d0dF9pbnNlcnRfZW50cmllczsKClRo aXMgZm9ybSBsb29rcyBiZXR0ZXIgdG8gbXkgZXllcywgZXNwZWNpYWxseSBvbmNlIHlvdSBzdGFy dCBhZGRpbmcgYQpjb3VwbGUgb2Ygb3RoZXIgaWYgKCkncyBmb3Igc2FtZSBjYWxsYmFjay4KCkJB VCBzZWVtcyB0byBoYXZlIGdvbmUgY3Jhenkgd2l0aCB0aGlzIHBhdGNoLCB0b28uCgo+IMKgCWdn dHQtPmJhc2UuYmluZF92bWEgPSBnZ3R0X2JpbmRfdm1hOwo+IMKgCWdndHQtPmJhc2UudW5iaW5k X3ZtYSA9IGdndHRfdW5iaW5kX3ZtYTsKPiDCoAo+ICsJZ2d0dC0+YmFzZS5jbGVhcl9yYW5nZSA9 IG5vcF9jbGVhcl9yYW5nZTsKPiArCWlmICghVVNFU19GVUxMX1BQR1RUKGRldl9wcml2KSkKPiAr CQlnZ3R0LT5iYXNlLmNsZWFyX3JhbmdlID0gZ2VuOF9nZ3R0X2NsZWFyX3JhbmdlOwo+ICsKPiAr CWdndHQtPmJhc2UuaW5zZXJ0X2VudHJpZXMgPSBnZW44X2dndHRfaW5zZXJ0X2VudHJpZXM7Cj4g KwlpZiAoSVNfQ0hFUlJZVklFVyhkZXZfcHJpdikpCj4gKwkJZ2d0dC0+YmFzZS5pbnNlcnRfZW50 cmllcyA9IGdlbjhfZ2d0dF9pbnNlcnRfZW50cmllc19fQktMOwo+ICsKPiDCoAlyZXR1cm4gcmV0 Owo+IMKgfQo+IMKgCi0tIApKb29uYXMgTGFodGluZW4KT3BlbiBTb3VyY2UgVGVjaG5vbG9neSBD ZW50ZXIKSW50ZWwgQ29ycG9yYXRpb24KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJl ZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGlu Zm8vaW50ZWwtZ2Z4Cg==