From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: Re: [PATCH v5 4/7] drm/i915: optimise i915_gem_object_vmap_range() for small objects Date: Mon, 29 Feb 2016 12:01:34 +0000 Message-ID: <56D4331E.60101@linux.intel.com> References: <1456744394-29831-1-git-send-email-david.s.gordon@intel.com> <1456744394-29831-5-git-send-email-david.s.gordon@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id 56BF46E295 for ; Mon, 29 Feb 2016 12:01:41 +0000 (UTC) In-Reply-To: <1456744394-29831-5-git-send-email-david.s.gordon@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Dave Gordon , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Ck9uIDI5LzAyLzE2IDExOjEzLCBEYXZlIEdvcmRvbiB3cm90ZToKPiBXZSdyZSB1c2luZyB0aGlz IGZ1bmN0aW9uIGZvciByaW5nYnVmZmVycyBhbmQgb3RoZXIgInNtYWxsIiBvYmplY3RzLCBzbwo+ IGl0J3Mgd29ydGggYXZvaWRpbmcgYW4gZXh0cmEgbWFsbG9jKCkvZnJlZSgpIGN5Y2xlIGlmIHRo ZSBwYWdlIGFycmF5IGlzCj4gc21hbGwgZW5vdWdoIHRvIHB1dCBvbiB0aGUgc3RhY2suIEhlcmUg d2UndmUgY2hvc2VuIGFuIGFyYml0cmFyeSBjdXRvZmYKPiBvZiAzMiAoNGspIHBhZ2VzLCB3aGlj aCBpcyBiaWcgZW5vdWdoIGZvciBhIHJpbmdidWZmZXIgKDQgcGFnZXMpIG9yIGEKPiBjb250ZXh0 IGltYWdlIChjdXJyZW50bHkgdXAgdG8gMjIgcGFnZXMpLgo+Cj4gdjU6Cj4gICAgICBjaGFuZ2Ug bmFtZSBvZiBsb2NhbCBhcnJheSBbQ2hyaXMgV2lsc29uXQo+Cj4gU2lnbmVkLW9mZi1ieTogRGF2 ZSBHb3Jkb24gPGRhdmlkLnMuZ29yZG9uQGludGVsLmNvbT4KPiBDYzogVHZydGtvIFVyc3VsaW4g PHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KPiBDYzogQWxleCBEYWkgPHl1LmRhaUBpbnRlbC5j b20+Cj4gQ2M6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgo+IC0tLQo+ ICAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyB8IDE3ICsrKysrKysrKysrLS0tLS0t Cj4gICAxIGZpbGUgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKPgo+ IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+IGluZGV4IGM2MjFiM2UuLmMxMjYyMTEgMTAwNjQ0Cj4g LS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2k5MTVfZ2VtLmMKPiBAQCAtMjQxNyw3ICsyNDE3LDggQEAgdm9pZCAqaTkxNV9n ZW1fb2JqZWN0X3ZtYXBfcmFuZ2Uoc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiwKPiAg IAkJCQkgdW5zaWduZWQgaW50IG5wYWdlcykKPiAgIHsKPiAgIAlzdHJ1Y3Qgc2dfcGFnZV9pdGVy IHNnX2l0ZXI7Cj4gLQlzdHJ1Y3QgcGFnZSAqKnBhZ2VzOwo+ICsJc3RydWN0IHBhZ2UgKnN0YWNr X3BhZ2VzWzMyXTsKPiArCXN0cnVjdCBwYWdlICoqcGFnZXMgPSBzdGFja19wYWdlczsKPiAgIAl2 b2lkICphZGRyOwo+ICAgCWludCBpOwo+Cj4gQEAgLTI0MjYsMTAgKzI0MjcsMTMgQEAgdm9pZCAq aTkxNV9nZW1fb2JqZWN0X3ZtYXBfcmFuZ2Uoc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9i aiwKPiAgIAkJcmV0dXJuIE5VTEw7Cj4gICAJfQo+Cj4gLQlwYWdlcyA9IGRybV9tYWxsb2NfZ2Zw KG5wYWdlcywgc2l6ZW9mKCpwYWdlcyksIEdGUF9URU1QT1JBUlkpOwo+IC0JaWYgKHBhZ2VzID09 IE5VTEwpIHsKPiAtCQlEUk1fREVCVUdfRFJJVkVSKCJGYWlsZWQgdG8gZ2V0IHNwYWNlIGZvciBw YWdlc1xuIik7Cj4gLQkJcmV0dXJuIE5VTEw7Cj4gKwlpZiAobnBhZ2VzID4gQVJSQVlfU0laRShz dGFja19wYWdlcykpIHsKPiArCQkvKiBUb28gYmlnIGZvciBzdGFjayAtLSBhbGxvY2F0ZSB0ZW1w b3JhcnkgYXJyYXkgaW5zdGVhZCAqLwo+ICsJCXBhZ2VzID0gZHJtX21hbGxvY19nZnAobnBhZ2Vz LCBzaXplb2YoKnBhZ2VzKSwgR0ZQX1RFTVBPUkFSWSk7Cj4gKwkJaWYgKHBhZ2VzID09IE5VTEwp IHsKPiArCQkJRFJNX0RFQlVHX0RSSVZFUigiRmFpbGVkIHRvIGdldCBzcGFjZSBmb3IgcGFnZXNc biIpOwo+ICsJCQlyZXR1cm4gTlVMTDsKPiArCQl9Cj4gICAJfQo+Cj4gICAJaSA9IDA7Cj4gQEAg LTI0NDIsNyArMjQ0Niw4IEBAIHZvaWQgKmk5MTVfZ2VtX29iamVjdF92bWFwX3JhbmdlKHN0cnVj dCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmosCj4gICAJYWRkciA9IHZtYXAocGFnZXMsIG5wYWdl cywgMCwgUEFHRV9LRVJORUwpOwo+ICAgCWlmIChhZGRyID09IE5VTEwpCj4gICAJCURSTV9ERUJV R19EUklWRVIoIkZhaWxlZCB0byB2bWFwIHBhZ2VzXG4iKTsKPiAtCWRybV9mcmVlX2xhcmdlKHBh Z2VzKTsKPiArCWlmIChwYWdlcyAhPSBzdGFja19wYWdlcykKPiArCQlkcm1fZnJlZV9sYXJnZShw YWdlcyk7Cj4KPiAgIAlyZXR1cm4gYWRkcjsKPiAgIH0KPgoKUmV2aWV3ZWQtYnk6IFR2cnRrbyBV cnN1bGluIDx0dnJ0a28udXJzdWxpbkBpbnRlbC5jb20+CgpSZWdhcmRzLAoKVHZydGtvCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK