From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: [CI 13/20] drm/i915: Check the CPU cached value of seqno after waking the waiter Date: Thu, 19 May 2016 12:32:49 +0100 Message-ID: <1463657576-32063-13-git-send-email-chris@chris-wilson.co.uk> References: <1463657576-32063-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x244.google.com (mail-wm0-x244.google.com [IPv6:2a00:1450:400c:c09::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8C17F6E965 for ; Thu, 19 May 2016 11:33:18 +0000 (UTC) Received: by mail-wm0-x244.google.com with SMTP id r12so20225070wme.0 for ; Thu, 19 May 2016 04:33:18 -0700 (PDT) Received: from haswell.alporthouse.com ([78.156.65.138]) by smtp.gmail.com with ESMTPSA id q76sm9429419wmd.6.2016.05.19.04.33.15 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 19 May 2016 04:33:16 -0700 (PDT) In-Reply-To: <1463657576-32063-1-git-send-email-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: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org SWYgd2UgaGF2ZSBtdWx0aXBsZSB3YWl0ZXJzLCB3ZSBtYXkgZmluZCB0aGF0IG1hbnkgY29tcGxl dGUgb24gdGhlIHNhbWUKd2FrZSB1cC4gSWYgd2UgZmlyc3QgaW5zcGVjdCB0aGUgc2Vxbm8gZnJv bSB0aGUgQ1BVIGNhY2hlLCB3ZSBtYXkgcmVkdWNlCnRoZSBudW1iZXIgb2YgaGVhdnl3ZWlnaHQg Y29oZXJlbnQgc2Vxbm8gcmVhZHMgd2UgcmVxdWlyZS4KClNpZ25lZC1vZmYtYnk6IENocmlzIFdp bHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9pOTE1 L2k5MTVfZHJ2LmggfCAxNCArKysrKysrKysrLS0tLQogMSBmaWxlIGNoYW5nZWQsIDEwIGluc2Vy dGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaTkxNV9kcnYuaCBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmgKaW5kZXggOGM1 ZmRlNGJlNGE2Li42ODVhMmU0ZjQ0MTUgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2k5MTVfZHJ2LmgKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaApAQCAtMzgx OSw2ICszODE5LDEyIEBAIHN0YXRpYyBpbmxpbmUgYm9vbCBfX2k5MTVfcmVxdWVzdF9pcnFfY29t cGxldGUoc3RydWN0IGRybV9pOTE1X2dlbV9yZXF1ZXN0ICpyZXEpCiB7CiAJc3RydWN0IGludGVs X2VuZ2luZV9jcyAqZW5naW5lID0gcmVxLT5lbmdpbmU7CiAKKwkvKiBCZWZvcmUgd2UgZG8gdGhl IGhlYXZpZXIgY29oZXJlbnQgcmVhZCBvZiB0aGUgc2Vxbm8sCisJICogY2hlY2sgdGhlIHZhbHVl IChob3BlZnVsbHkpIGluIHRoZSBDUFUgY2FjaGVsaW5lLgorCSAqLworCWlmIChpOTE1X2dlbV9y ZXF1ZXN0X2NvbXBsZXRlZChyZXEpKQorCQlyZXR1cm4gdHJ1ZTsKKwogCS8qIEVuc3VyZSBvdXIg cmVhZCBvZiB0aGUgc2Vxbm8gaXMgY29oZXJlbnQgc28gdGhhdCB3ZQogCSAqIGRvIG5vdCAibWlz cyBhbiBpbnRlcnJ1cHQiIChpLmUuIGlmIHRoaXMgaXMgdGhlIGxhc3QKIAkgKiByZXF1ZXN0IGFu ZCB0aGUgc2Vxbm8gd3JpdGUgZnJvbSB0aGUgR1BVIGlzIG5vdCB2aXNpYmxlCkBAIC0zODMwLDEx ICszODM2LDExIEBAIHN0YXRpYyBpbmxpbmUgYm9vbCBfX2k5MTVfcmVxdWVzdF9pcnFfY29tcGxl dGUoc3RydWN0IGRybV9pOTE1X2dlbV9yZXF1ZXN0ICpyZXEpCiAJICogYnV0IGl0IGlzIGVhc2ll ciBhbmQgc2FmZXIgdG8gZG8gaXQgZXZlcnkgdGltZSB0aGUgd2FpdGVyCiAJICogaXMgd29rZW4u CiAJICovCi0JaWYgKGVuZ2luZS0+aXJxX3NlcW5vX2JhcnJpZXIpCisJaWYgKGVuZ2luZS0+aXJx X3NlcW5vX2JhcnJpZXIpIHsKIAkJZW5naW5lLT5pcnFfc2Vxbm9fYmFycmllcihlbmdpbmUpOwot Ci0JaWYgKGk5MTVfZ2VtX3JlcXVlc3RfY29tcGxldGVkKHJlcSkpCi0JCXJldHVybiB0cnVlOwor CQlpZiAoaTkxNV9nZW1fcmVxdWVzdF9jb21wbGV0ZWQocmVxKSkKKwkJCXJldHVybiB0cnVlOwor CX0KIAogCS8qIFdlIG5lZWQgdG8gY2hlY2sgd2hldGhlciBhbnkgZ3B1IHJlc2V0IGhhcHBlbmVk IGluIGJldHdlZW4KIAkgKiB0aGUgcmVxdWVzdCBiZWluZyBzdWJtaXR0ZWQgYW5kIG5vdy4gSWYg YSByZXNldCBoYXMgb2NjdXJyZWQsCi0tIAoyLjguMQoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==