From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Gordon Subject: [PATCH v4 2/4] drm/i915: optimise i915_gem_object_map() for small objects Date: Fri, 20 May 2016 01:31:28 +0100 Message-ID: <1463704290-3491-2-git-send-email-david.s.gordon@intel.com> References: <1463704290-3491-1-git-send-email-david.s.gordon@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 D893A6EA1A for ; Fri, 20 May 2016 00:31:43 +0000 (UTC) In-Reply-To: <1463704290-3491-1-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: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org V2UncmUgdXNpbmcgdGhpcyBmdW5jdGlvbiBmb3IgcmluZ2J1ZmZlcnMgYW5kIG90aGVyICJzbWFs bCIgb2JqZWN0cywgc28KaXQncyB3b3J0aCBhdm9pZGluZyBhbiBleHRyYSBtYWxsb2MoKS9mcmVl KCkgY3ljbGUgaWYgdGhlIHBhZ2UgYXJyYXkgaXMKc21hbGwgZW5vdWdoIHRvIHB1dCBvbiB0aGUg c3RhY2suIEhlcmUgd2UndmUgY2hvc2VuIGFuIGFyYml0cmFyeSBjdXRvZmYKb2YgMzIgKDRrKSBw YWdlcywgd2hpY2ggaXMgYmlnIGVub3VnaCBmb3IgYSByaW5nYnVmZmVyICg0IHBhZ2VzKSBvciBh CmNvbnRleHQgaW1hZ2UgKGN1cnJlbnRseSB1cCB0byAyMiBwYWdlcykuCgp2NToKICAgIGNoYW5n ZSBuYW1lIG9mIGxvY2FsIGFycmF5IFtDaHJpcyBXaWxzb25dCgpTaWduZWQtb2ZmLWJ5OiBEYXZl IEdvcmRvbiA8ZGF2aWQucy5nb3Jkb25AaW50ZWwuY29tPgpSZXZpZXdlZC1ieTogVHZydGtvIFVy c3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X2dlbS5jIHwgMTUgKysrKysrKysrKy0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMTAgaW5z ZXJ0aW9ucygrKSwgNSBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pOTE1X2dlbS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYwppbmRleCBh YzVmYmYyLi41Nzk3ZmEyIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dl bS5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKQEAgLTI0MDQsNyArMjQw NCw4IEBAIHN0YXRpYyB2b2lkICppOTE1X2dlbV9vYmplY3RfbWFwKGNvbnN0IHN0cnVjdCBkcm1f aTkxNV9nZW1fb2JqZWN0ICpvYmopCiAJdW5zaWduZWQgbG9uZyBuX3BhZ2VzID0gb2JqLT5iYXNl LnNpemUgPj4gUEFHRV9TSElGVDsKIAlzdHJ1Y3Qgc2dfdGFibGUgKnNndCA9IG9iai0+cGFnZXM7 CiAJc3RydWN0IHNnX3BhZ2VfaXRlciBzZ19pdGVyOwotCXN0cnVjdCBwYWdlICoqcGFnZXM7CisJ c3RydWN0IHBhZ2UgKnN0YWNrX3BhZ2VzWzMyXTsKKwlzdHJ1Y3QgcGFnZSAqKnBhZ2VzID0gc3Rh Y2tfcGFnZXM7CiAJdW5zaWduZWQgbG9uZyBpID0gMDsKIAl2b2lkICphZGRyOwogCkBAIC0yNDEy LDkgKzI0MTMsMTIgQEAgc3RhdGljIHZvaWQgKmk5MTVfZ2VtX29iamVjdF9tYXAoY29uc3Qgc3Ry dWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaikKIAlpZiAobl9wYWdlcyA9PSAxKQogCQlyZXR1 cm4ga21hcChzZ19wYWdlKHNndC0+c2dsKSk7CiAKLQlwYWdlcyA9IGRybV9tYWxsb2NfZ2ZwKG5f cGFnZXMsIHNpemVvZigqcGFnZXMpLCBHRlBfVEVNUE9SQVJZKTsKLQlpZiAocGFnZXMgPT0gTlVM TCkKLQkJcmV0dXJuIE5VTEw7CisJaWYgKG5fcGFnZXMgPiBBUlJBWV9TSVpFKHN0YWNrX3BhZ2Vz KSkgeworCQkvKiBUb28gYmlnIGZvciBzdGFjayAtLSBhbGxvY2F0ZSB0ZW1wb3JhcnkgYXJyYXkg aW5zdGVhZCAqLworCQlwYWdlcyA9IGRybV9tYWxsb2NfZ2ZwKG5fcGFnZXMsIHNpemVvZigqcGFn ZXMpLCBHRlBfVEVNUE9SQVJZKTsKKwkJaWYgKHBhZ2VzID09IE5VTEwpCisJCQlyZXR1cm4gTlVM TDsKKwl9CiAKIAlmb3JfZWFjaF9zZ19wYWdlKHNndC0+c2dsLCAmc2dfaXRlciwgc2d0LT5uZW50 cywgMCkKIAkJcGFnZXNbaSsrXSA9IHNnX3BhZ2VfaXRlcl9wYWdlKCZzZ19pdGVyKTsKQEAgLTI0 MjQsNyArMjQyOCw4IEBAIHN0YXRpYyB2b2lkICppOTE1X2dlbV9vYmplY3RfbWFwKGNvbnN0IHN0 cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmopCiAKIAlhZGRyID0gdm1hcChwYWdlcywgbl9w YWdlcywgMCwgUEFHRV9LRVJORUwpOwogCi0JZHJtX2ZyZWVfbGFyZ2UocGFnZXMpOworCWlmIChw YWdlcyAhPSBzdGFja19wYWdlcykKKwkJZHJtX2ZyZWVfbGFyZ2UocGFnZXMpOwogCiAJcmV0dXJu IGFkZHI7CiB9Ci0tIAoxLjkuMQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v aW50ZWwtZ2Z4Cg==