From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Kuoppala Subject: Re: [PATCH v3] drm/i915/cmdparser: Limit clflush to active cachelines Date: Fri, 10 Mar 2017 14:41:16 +0200 Message-ID: <87mvct2tjn.fsf@gaia.fi.intel.com> References: <20170310094212.3496-1-chris@chris-wilson.co.uk> <20170310115518.13832-1-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 ESMTPS id 43E5C6EE53 for ; Fri, 10 Mar 2017 12:41:20 +0000 (UTC) In-Reply-To: <20170310115518.13832-1-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 List-Id: intel-gfx@lists.freedesktop.org Q2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+IHdyaXRlczoKCj4gV2Ugb25s eSBuZWVkIHRvIGNsZmx1c2ggdGhvc2UgY2FjaGVsaW5lcyB0aGF0IHdlIGhhdmUgdmFsaWRhdGVk IHRvIGJlCj4gcmVhZCBieSB0aGUgR1BVLiBVc2Vyc3BhY2UgdHlwaWNhbGx5IGZpbGxzIHRoZSBi YXRjaCBsZW5ndGggaW4KPiBjb3JyZWN0bHksIHRoZSBleGNlcHRpb25zIHRlbmQgdG8gYmUgZXhw bGljaXQgdGVzdHMgd2l0aGluIGlndC4KPgo+IHYyOiBVc2UgcHRyX21hc2tfYml0cygpIHRvIG1h a2UgTWlrYSBoYXBweQo+IHYzOiBjbWQgaXMgbm90IGFkdmFuY2VkIG9uIE1JX0JCRSwgc28gbWFr ZSBzdXJlIHRvIGluY2x1ZGUgYW4gZXh0cmEKPiBkd29yZCBpbiB0aGUgY2xmbHVzaC4KPgo+IFNp Z25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgoKSSBh bSBub3cgdmVyeSBoYXBweS4KUmV2aWV3ZWQtYnk6IE1pa2EgS3VvcHBhbGEgPG1pa2Eua3VvcHBh bGFAaW50ZWwuY29tPgoKPiBDYzogTWlrYSBLdW9wcGFsYSA8bWlrYS5rdW9wcGFsYUBsaW51eC5p bnRlbC5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfY21kX3BhcnNlci5j IHwgMjUgKysrKysrKysrKysrKystLS0tLS0tLS0tLQo+ICAxIGZpbGUgY2hhbmdlZCwgMTQgaW5z ZXJ0aW9ucygrKSwgMTEgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUv ZHJtL2k5MTUvaTkxNV9jbWRfcGFyc2VyLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Nt ZF9wYXJzZXIuYwo+IGluZGV4IDIxYjFjZDkxN2Q4MS4uN2FmMTAwZjg0NDEwIDEwMDY0NAo+IC0t LSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfY21kX3BhcnNlci5jCj4gKysrIGIvZHJpdmVy cy9ncHUvZHJtL2k5MTUvaTkxNV9jbWRfcGFyc2VyLmMKPiBAQCAtMTI3OSwxMSArMTI3OSwxNyBA QCBpbnQgaW50ZWxfZW5naW5lX2NtZF9wYXJzZXIoc3RydWN0IGludGVsX2VuZ2luZV9jcyAqZW5n aW5lLAo+ICAJICogc3BhY2UuIFBhcnNpbmcgc2hvdWxkIGJlIGZhc3RlciBpbiBzb21lIGNhc2Vz IHRoaXMgd2F5Lgo+ICAJICovCj4gIAliYXRjaF9lbmQgPSBjbWQgKyAoYmF0Y2hfbGVuIC8gc2l6 ZW9mKCpiYXRjaF9lbmQpKTsKPiAtCXdoaWxlIChjbWQgPCBiYXRjaF9lbmQpIHsKPiArCWRvIHsK PiAgCQl1MzIgbGVuZ3RoOwo+ICAKPiAtCQlpZiAoKmNtZCA9PSBNSV9CQVRDSF9CVUZGRVJfRU5E KQo+ICsJCWlmICgqY21kID09IE1JX0JBVENIX0JVRkZFUl9FTkQpIHsKPiArCQkJaWYgKG5lZWRz X2NsZmx1c2hfYWZ0ZXIpIHsKPiArCQkJCXZvaWQgKnB0ciA9IHB0cl9tYXNrX2JpdHMoc2hhZG93 X2JhdGNoX29iai0+bW0ubWFwcGluZyk7Cj4gKwkJCQlkcm1fY2xmbHVzaF92aXJ0X3JhbmdlKHB0 ciwKPiArCQkJCQkJICAgICAgICh2b2lkICopKGNtZCArIDEpIC0gcHRyKTsKPiArCQkJfQo+ICAJ CQlicmVhazsKPiArCQl9Cj4gIAo+ICAJCWRlc2MgPSBmaW5kX2NtZChlbmdpbmUsICpjbWQsIGRl c2MsICZkZWZhdWx0X2Rlc2MpOwo+ICAJCWlmICghZGVzYykgewo+IEBAIC0xMzIzLDE3ICsxMzI5 LDE0IEBAIGludCBpbnRlbF9lbmdpbmVfY21kX3BhcnNlcihzdHJ1Y3QgaW50ZWxfZW5naW5lX2Nz ICplbmdpbmUsCj4gIAkJfQo+ICAKPiAgCQljbWQgKz0gbGVuZ3RoOwo+IC0JfQo+IC0KPiAtCWlm IChjbWQgPj0gYmF0Y2hfZW5kKSB7Cj4gLQkJRFJNX0RFQlVHX0RSSVZFUigiQ01EOiBHb3QgdG8g dGhlIGVuZCBvZiB0aGUgYnVmZmVyIHcvbyBhIEJCRSBjbWQhXG4iKTsKPiAtCQlyZXQgPSAtRUlO VkFMOwo+IC0JfQo+ICsJCWlmICAoY21kID49IGJhdGNoX2VuZCkgewo+ICsJCQlEUk1fREVCVUdf RFJJVkVSKCJDTUQ6IEdvdCB0byB0aGUgZW5kIG9mIHRoZSBidWZmZXIgdy9vIGEgQkJFIGNtZCFc biIpOwo+ICsJCQlyZXQgPSAtRUlOVkFMOwo+ICsJCQlicmVhazsKPiArCQl9Cj4gKwl9IHdoaWxl ICgxKTsKPiAgCj4gLQlpZiAocmV0ID09IDAgJiYgbmVlZHNfY2xmbHVzaF9hZnRlcikKPiAtCQlk cm1fY2xmbHVzaF92aXJ0X3JhbmdlKHNoYWRvd19iYXRjaF9vYmotPm1tLm1hcHBpbmcsIGJhdGNo X2xlbik7Cj4gIAlpOTE1X2dlbV9vYmplY3RfdW5waW5fbWFwKHNoYWRvd19iYXRjaF9vYmopOwo+ IC0KPiAgCXJldHVybiByZXQ7Cj4gIH0KPiAgCj4gLS0gCj4gMi4xMS4wCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QK SW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9w Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=