From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Gordon Subject: [PATCH 2/2] drm/i915: optimise i915_gem_object_map_range() for small objects Date: Wed, 13 Apr 2016 21:00:54 +0100 Message-ID: <1460577654-4370-2-git-send-email-david.s.gordon@intel.com> References: <1460577654-4370-1-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 mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTP id 756FB6E985 for ; Wed, 13 Apr 2016 20:01:05 +0000 (UTC) In-Reply-To: <1460577654-4370-1-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 MTUvaTkxNV9nZW0uYwppbmRleCAxNjNjYTc4Li44ZjcwYzM5IDEwMDY0NAotLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVf Z2VtLmMKQEAgLTI0MTIsNyArMjQxMiw4IEBAIHZvaWQgKmk5MTVfZ2VtX29iamVjdF9tYXBfcmFu Z2UoY29uc3Qgc3RydWN0IGRybV9pOTE1X2dlbV9vYmplY3QgKm9iaiwKIAl1bnNpZ25lZCBsb25n IG1heF9wYWdlcyA9IG9iai0+YmFzZS5zaXplID4+IFBBR0VfU0hJRlQ7CiAJc3RydWN0IHNjYXR0 ZXJsaXN0ICpzZyA9IG9iai0+cGFnZXMtPnNnbDsKIAlzdHJ1Y3Qgc2dfcGFnZV9pdGVyIHNnX2l0 ZXI7Ci0Jc3RydWN0IHBhZ2UgKipwYWdlczsKKwlzdHJ1Y3QgcGFnZSAqc3RhY2tfcGFnZXNbMzJd OworCXN0cnVjdCBwYWdlICoqcGFnZXMgPSBzdGFja19wYWdlczsKIAl1bnNpZ25lZCBsb25nIGkg PSAwOwogCXZvaWQgKmFkZHIgPSBOVUxMOwogCkBAIC0yNDMwLDEwICsyNDMxLDEzIEBAIHZvaWQg Kmk5MTVfZ2VtX29iamVjdF9tYXBfcmFuZ2UoY29uc3Qgc3RydWN0IGRybV9pOTE1X2dlbV9vYmpl Y3QgKm9iaiwKIAlpZiAobnBhZ2VzID09IDEpCiAJCXJldHVybiBrbWFwKHNnX3BhZ2Uoc2cpKTsK IAotCXBhZ2VzID0gZHJtX21hbGxvY19nZnAobnBhZ2VzLCBzaXplb2YoKnBhZ2VzKSwgR0ZQX1RF TVBPUkFSWSk7Ci0JaWYgKHBhZ2VzID09IE5VTEwpIHsKLQkJRFJNX0RFQlVHX0RSSVZFUigiRmFp bGVkIHRvIGdldCBzcGFjZSBmb3IgcGFnZXNcbiIpOwotCQlyZXR1cm4gTlVMTDsKKwlpZiAobnBh Z2VzID4gQVJSQVlfU0laRShzdGFja19wYWdlcykpIHsKKwkJLyogVG9vIGJpZyBmb3Igc3RhY2sg LS0gYWxsb2NhdGUgdGVtcG9yYXJ5IGFycmF5IGluc3RlYWQgKi8KKwkJcGFnZXMgPSBkcm1fbWFs bG9jX2dmcChucGFnZXMsIHNpemVvZigqcGFnZXMpLCBHRlBfVEVNUE9SQVJZKTsKKwkJaWYgKHBh Z2VzID09IE5VTEwpIHsKKwkJCURSTV9ERUJVR19EUklWRVIoIkZhaWxlZCB0byBnZXQgc3BhY2Ug Zm9yIHBhZ2VzXG4iKTsKKwkJCXJldHVybiBOVUxMOworCQl9CiAJfQogCiAJZm9yX2VhY2hfc2df cGFnZShzZywgJnNnX2l0ZXIsIG1heF9wYWdlcywgZmlyc3QpIHsKQEAgLTI0NDksNyArMjQ1Myw4 IEBAIHZvaWQgKmk5MTVfZ2VtX29iamVjdF9tYXBfcmFuZ2UoY29uc3Qgc3RydWN0IGRybV9pOTE1 X2dlbV9vYmplY3QgKm9iaiwKIAlpZiAoYWRkciA9PSBOVUxMKQogCQlEUk1fREVCVUdfRFJJVkVS KCJGYWlsZWQgdG8gdm1hcCBwYWdlc1xuIik7CiAKLQlkcm1fZnJlZV9sYXJnZShwYWdlcyk7CisJ aWYgKHBhZ2VzICE9IHN0YWNrX3BhZ2VzKQorCQlkcm1fZnJlZV9sYXJnZShwYWdlcyk7CiAKIAly ZXR1cm4gYWRkcjsKIH0KLS0gCjEuOS4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9pbnRlbC1nZngK