From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Gordon Subject: [PATCH v7 5/7] drm/i915: optimise i915_gem_object_vmap_range() for small objects Date: Tue, 1 Mar 2016 16:33:57 +0000 Message-ID: <1456850039-25856-6-git-send-email-david.s.gordon@intel.com> References: <1456850039-25856-1-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 mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 9FAB46E6D5 for ; Tue, 1 Mar 2016 16:34:25 +0000 (UTC) In-Reply-To: <1456850039-25856-1-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 c3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KQ2M6IENocmlzIFdpbHNvbiA8Y2hyaXNA Y2hyaXMtd2lsc29uLmNvLnVrPgpDYzogQWxleCBEYWkgPHl1LmRhaUBpbnRlbC5jb20+Ci0tLQog ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyB8IDE3ICsrKysrKysrKysrLS0tLS0tCiAx IGZpbGUgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKCmRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV9nZW0uYwppbmRleCBkN2M5Y2NkLi41YjY3NzRiIDEwMDY0NAotLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf Z2VtLmMKQEAgLTI0MjEsNyArMjQyMSw4IEBAIHZvaWQgKmk5MTVfZ2VtX29iamVjdF92bWFwX3Jh bmdlKHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0ICpvYmosCiAJdW5zaWduZWQgbG9uZyBtYXhf cGFnZXMgPSBvYmotPmJhc2Uuc2l6ZSA+PiBQQUdFX1NISUZUOwogCXN0cnVjdCBzY2F0dGVybGlz dCAqc2cgPSBvYmotPnBhZ2VzLT5zZ2w7CiAJc3RydWN0IHNnX3BhZ2VfaXRlciBzZ19pdGVyOwot CXN0cnVjdCBwYWdlICoqcGFnZXM7CisJc3RydWN0IHBhZ2UgKnN0YWNrX3BhZ2VzWzMyXTsKKwlz dHJ1Y3QgcGFnZSAqKnBhZ2VzID0gc3RhY2tfcGFnZXM7CiAJdW5zaWduZWQgbG9uZyBpID0gMDsK IAl2b2lkICphZGRyID0gTlVMTDsKIApAQCAtMjQzNSwxMCArMjQzNiwxMyBAQCB2b2lkICppOTE1 X2dlbV9vYmplY3Rfdm1hcF9yYW5nZShzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAqb2JqLAog CWlmIChucGFnZXMgPT0gMCkKIAkJbnBhZ2VzID0gbWF4X3BhZ2VzIC0gZmlyc3Q7CiAKLQlwYWdl cyA9IGRybV9tYWxsb2NfZ2ZwKG5wYWdlcywgc2l6ZW9mKCpwYWdlcyksIEdGUF9URU1QT1JBUlkp OwotCWlmIChwYWdlcyA9PSBOVUxMKSB7Ci0JCURSTV9ERUJVR19EUklWRVIoIkZhaWxlZCB0byBn ZXQgc3BhY2UgZm9yIHBhZ2VzXG4iKTsKLQkJcmV0dXJuIE5VTEw7CisJaWYgKG5wYWdlcyA+IEFS UkFZX1NJWkUoc3RhY2tfcGFnZXMpKSB7CisJCS8qIFRvbyBiaWcgZm9yIHN0YWNrIC0tIGFsbG9j YXRlIHRlbXBvcmFyeSBhcnJheSBpbnN0ZWFkICovCisJCXBhZ2VzID0gZHJtX21hbGxvY19nZnAo bnBhZ2VzLCBzaXplb2YoKnBhZ2VzKSwgR0ZQX1RFTVBPUkFSWSk7CisJCWlmIChwYWdlcyA9PSBO VUxMKSB7CisJCQlEUk1fREVCVUdfRFJJVkVSKCJGYWlsZWQgdG8gZ2V0IHNwYWNlIGZvciBwYWdl c1xuIik7CisJCQlyZXR1cm4gTlVMTDsKKwkJfQogCX0KIAogCWZvcl9lYWNoX3NnX3BhZ2Uoc2cs ICZzZ19pdGVyLCBtYXhfcGFnZXMsIGZpcnN0KSB7CkBAIC0yNDU0LDcgKzI0NTgsOCBAQCB2b2lk ICppOTE1X2dlbV9vYmplY3Rfdm1hcF9yYW5nZShzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29iamVjdCAq b2JqLAogCWlmIChhZGRyID09IE5VTEwpCiAJCURSTV9ERUJVR19EUklWRVIoIkZhaWxlZCB0byB2 bWFwIHBhZ2VzXG4iKTsKIAotCWRybV9mcmVlX2xhcmdlKHBhZ2VzKTsKKwlpZiAocGFnZXMgIT0g c3RhY2tfcGFnZXMpCisJCWRybV9mcmVlX2xhcmdlKHBhZ2VzKTsKIAogCXJldHVybiBhZGRyOwog fQotLSAKMS45LjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdm eAo=