From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonas Lahtinen Subject: Re: [PATCH v2 4/4] drm/i915: Skip clearing the GGTT on full-ppgtt systems Date: Fri, 13 May 2016 10:46:59 +0300 Message-ID: <1463125619.5008.7.camel@linux.intel.com> References: <1463053288-24953-1-git-send-email-chris@chris-wilson.co.uk> <1463063296-7722-1-git-send-email-chris@chris-wilson.co.uk> <1463063296-7722-4-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 mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 7E7416EA5F for ; Fri, 13 May 2016 07:45:12 +0000 (UTC) In-Reply-To: <1463063296-7722-4-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 T24gdG8sIDIwMTYtMDUtMTIgYXQgMTU6MjggKzAxMDAsIENocmlzIFdpbHNvbiB3cm90ZToKPiBV bmRlciBmdWxsLXBwZ3R0LCBhY2Nlc3MgdG8gdGhlIGdsb2JhbCBHVFQgaXMgY2FyZWZ1bGx5IHJl Z3VsYXRlZAo+IHRocm91Z2ggaGFyZHdhcmUgZnVuY3Rpb25zIChpLmUuIHVzZXJzcGFjZSBjYW5u b3QgcmVhZCBhbmQgd3JpdGUgdG8KPiBhcmJpdHJhcnkgbG9jYXRpb25zIGluIHRoZSBHR1RUIHZp YSB0aGUgR1BVKS4gV2l0aCB0aGlzIHJlc3RyaWN0aW9uIGluCj4gcGxhY2UsIHdlIGNhbiBmb3Jn byBjbGVhcmluZyBzdGFsZSBlbnRyaWVzIGZyb20gdGhlIEdHVFQgYXMgdGhleSB3aWxsCj4gbm90 IGJlIGFjY2Vzc2VkLgo+IAo+IEZvciBhbGlhc2luZy1wcGd0dCwgd2UgY291bGQgYWxtb3N0IGRv IHRoZSBzYW1lIGV4Y2VwdCB0aGF0IHdlIGRvIGFsbG93Cj4gdXNlcnNwYWNlIGFjY2VzcyB0byB0 aGUgZ2xvYmFsLUdUVCB2aWEgZXhlY2J1ZiBpbiBvcmRlciB0byB3b3JrcmFvdW5kCj4gc29tZSBx dWlya3Mgb2YgY2VydGFpbiBpbnN0cnVjdGlvbnMuIChUaGlzIGV4ZWNidWYgcGF0aCBpcyBmaWx0 ZXJlZCBvdXQKPiB3aXRoIEVJTlZBTCBvbiBmdWxsLXBwZ3R0LikKPiAKPiBUaGUgbW9zdCBkcmFt YXRpYyBlZmZlY3QgdGhpcyB3aWxsIGhhdmUgd2lsbCBiZSBkdXJpbmcgcmVzdW1lLCBhcyB3aXRo Cj4gZnVsbC1wcGd0dCB0aGUgR0dUVCBpcyBvbmx5IHVzZWQgc3BhcmluZ2x5Lgo+IAo+IFNpZ25l ZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IENjOiBE YXZpZCBXZWluZWhhbGwgPGRhdmlkLndlaW5laGFsbEBpbnRlbC5jb20+CgpSZXZpZXdlZC1ieTog Sm9vbmFzIExhaHRpbmVuIDxqb29uYXMubGFodGluZW5AbGludXguaW50ZWwuY29tPgoKPiAtLS0K PiDCoGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jIHwgMjAgKysrKysrKysrKysr KysrLS0tLS0KPiDCoDEgZmlsZSBjaGFuZ2VkLCAxNSBpbnNlcnRpb25zKCspLCA1IGRlbGV0aW9u cygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQu YyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jCj4gaW5kZXggMzE5ZjNiNDU5 YjNlLi43ZWFiNjE5YTNlYjIgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV9nZW1fZ3R0LmMKPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYwo+ IEBAIC0yNDc3LDYgKzI0NzcsMTMgQEAgc3RhdGljIHZvaWQgZ2VuNl9nZ3R0X2luc2VydF9lbnRy aWVzKHN0cnVjdCBpOTE1X2FkZHJlc3Nfc3BhY2UgKnZtLAo+IMKgCWFzc2VydF9ycG1fYXRvbWlj X2VuZChkZXZfcHJpdiwgcnBtX2F0b21pY19zZXEpOwo+IMKgfQo+IMKgCj4gK3N0YXRpYyB2b2lk IG5vcF9jbGVhcl9yYW5nZShzdHJ1Y3QgaTkxNV9hZGRyZXNzX3NwYWNlICp2bSwKPiArCQkJwqDC oMKgwqB1aW50NjRfdCBzdGFydCwKPiArCQkJwqDCoMKgwqB1aW50NjRfdCBsZW5ndGgsCj4gKwkJ CcKgwqDCoMKgYm9vbCB1c2Vfc2NyYXRjaCkKPiArewo+ICt9Cj4gKwo+IMKgc3RhdGljIHZvaWQg Z2VuOF9nZ3R0X2NsZWFyX3JhbmdlKHN0cnVjdCBpOTE1X2FkZHJlc3Nfc3BhY2UgKnZtLAo+IMKg CQkJCcKgwqB1aW50NjRfdCBzdGFydCwKPiDCoAkJCQnCoMKgdWludDY0X3QgbGVuZ3RoLAo+IEBA IC0zMDcyLDE0ICszMDc5LDE3IEBAIHN0YXRpYyBpbnQgZ2VuOF9nbWNoX3Byb2JlKHN0cnVjdCBp OTE1X2dndHQgKmdndHQpCj4gwqAKPiDCoAlyZXQgPSBnZ3R0X3Byb2JlX2NvbW1vbihkZXYsIGdn dHQtPnNpemUpOwo+IMKgCj4gLQlnZ3R0LT5iYXNlLmNsZWFyX3JhbmdlID0gZ2VuOF9nZ3R0X2Ns ZWFyX3JhbmdlOwo+IC0JaWYgKElTX0NIRVJSWVZJRVcoZGV2X3ByaXYpKQo+IC0JCWdndHQtPmJh c2UuaW5zZXJ0X2VudHJpZXMgPSBnZW44X2dndHRfaW5zZXJ0X2VudHJpZXNfX0JLTDsKPiAtCWVs c2UKPiAtCQlnZ3R0LT5iYXNlLmluc2VydF9lbnRyaWVzID0gZ2VuOF9nZ3R0X2luc2VydF9lbnRy aWVzOwo+IMKgCWdndHQtPmJhc2UuYmluZF92bWEgPSBnZ3R0X2JpbmRfdm1hOwo+IMKgCWdndHQt PmJhc2UudW5iaW5kX3ZtYSA9IGdndHRfdW5iaW5kX3ZtYTsKPiDCoAo+ICsJZ2d0dC0+YmFzZS5j bGVhcl9yYW5nZSA9IG5vcF9jbGVhcl9yYW5nZTsKPiArCWlmICghVVNFU19GVUxMX1BQR1RUKGRl dl9wcml2KSkKPiArCQlnZ3R0LT5iYXNlLmNsZWFyX3JhbmdlID0gZ2VuOF9nZ3R0X2NsZWFyX3Jh bmdlOwo+ICsKPiArCWdndHQtPmJhc2UuaW5zZXJ0X2VudHJpZXMgPSBnZW44X2dndHRfaW5zZXJ0 X2VudHJpZXM7Cj4gKwlpZiAoSVNfQ0hFUlJZVklFVyhkZXZfcHJpdikpCj4gKwkJZ2d0dC0+YmFz ZS5pbnNlcnRfZW50cmllcyA9IGdlbjhfZ2d0dF9pbnNlcnRfZW50cmllc19fQktMOwo+ICsKPiDC oAlyZXR1cm4gcmV0Owo+IMKgfQo+IMKgCi0tIApKb29uYXMgTGFodGluZW4KT3BlbiBTb3VyY2Ug VGVjaG5vbG9neSBDZW50ZXIKSW50ZWwgQ29ycG9yYXRpb24KX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==