From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.14 28/28] dma-buf/sw_sync: Synchronize signal vs syncpt free Date: Tue, 24 Sep 2019 12:50:31 -0400 Message-ID: <20190924165031.28292-28-sashal@kernel.org> References: <20190924165031.28292-1-sashal@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 871726EAB2 for ; Tue, 24 Sep 2019 16:51:29 +0000 (UTC) In-Reply-To: <20190924165031.28292-1-sashal@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sasha Levin , Gustavo Padovan , dri-devel@lists.freedesktop.org, Sean Paul , =?UTF-8?q?Christian=20K=C3=B6nig?= , linux-media@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org RnJvbTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+CgpbIFVwc3RyZWFt IGNvbW1pdCBkM2M2ZGQxZmIzMGQzODUzYzIwMTI1NDlhZmZlNzVjOTMwZjRhMmY5IF0KCkR1cmlu ZyByZWxlYXNlIG9mIHRoZSBzeW5jcHQsIHdlIHJlbW92ZSBpdCBmcm9tIHRoZSBsaXN0IG9mIHN5 bmNwdCBhbmQKdGhlIHRyZWUsIGJ1dCBvbmx5IGlmIGl0IGlzIG5vdCBhbHJlYWR5IGJlZW4gcmVt b3ZlZC4gSG93ZXZlciwgZHVyaW5nCnNpZ25hbGluZywgd2UgZmlyc3QgcmVtb3ZlIHRoZSBzeW5j cHQgZnJvbSB0aGUgbGlzdC4gU28sIGlmIHdlCmNvbmN1cnJlbnRseSBmcmVlIGFuZCBzaWduYWwg dGhlIHN5bmNwdCwgdGhlIGZyZWUgbWF5IGRlY2lkZSB0aGF0IGl0IGlzCm5vdCBwYXJ0IG9mIHRo ZSB0cmVlIGFuZCBpbW1lZGlhdGVseSBmcmVlIGl0c2VsZiAtLSBtZWFud2hpbGUgdGhlCnNpZ25h bGVyIGdvZXMgb24gdG8gdXNlIHRoZSBub3cgZnJlZWQgZGF0YXN0cnVjdHVyZS4KCkluIHBhcnRp Y3VsYXIsIHdlIGdldCBzdHJ1Y2sgYnkgY29tbWl0IDBlMmY3MzNhZGRiZiAoImRtYS1idWY6IG1h a2UKZG1hX2ZlbmNlIHN0cnVjdHVyZSBhIGJpdCBzbWFsbGVyIHYyIikgYXMgdGhlIGNiX2xpc3Qg aXMgaW1tZWRpYXRlbHkKY2xvYmJlcmVkIGJ5IHRoZSBrZnJlZV9yY3UuCgp2MjogQXZvaWQgY2Fs bGluZyBpbnRvIHRpbWVsaW5lX2ZlbmNlX3JlbGVhc2UoKSBmcm9tIHVuZGVyIHRoZSBzcGlubG9j awoKQnVnemlsbGE6IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lk PTExMTM4MQpGaXhlczogZDM4NjJlNDRkYWE3ICgiZG1hLWJ1Zi9zdy1zeW5jOiBGaXggbG9ja2lu ZyBhcm91bmQgc3luY190aW1lbGluZSBsaXN0cyIpClJlZmVyZW5jZXM6IDBlMmY3MzNhZGRiZiAo ImRtYS1idWY6IG1ha2UgZG1hX2ZlbmNlIHN0cnVjdHVyZSBhIGJpdCBzbWFsbGVyIHYyIikKU2ln bmVkLW9mZi1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+CkNjOiBT dW1pdCBTZW13YWwgPHN1bWl0LnNlbXdhbEBsaW5hcm8ub3JnPgpDYzogU2VhbiBQYXVsIDxzZWFu cGF1bEBjaHJvbWl1bS5vcmc+CkNjOiBHdXN0YXZvIFBhZG92YW4gPGd1c3Rhdm9AcGFkb3Zhbi5v cmc+CkNjOiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5jb20+CkNjOiA8 c3RhYmxlQHZnZXIua2VybmVsLm9yZz4gIyB2NC4xNCsKQWNrZWQtYnk6IENocmlzdGlhbiBLw7Zu aWcgPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4KTGluazogaHR0cHM6Ly9wYXRjaHdvcmsuZnJl ZWRlc2t0b3Aub3JnL3BhdGNoL21zZ2lkLzIwMTkwODEyMTU0MjQ3LjIwNTA4LTEtY2hyaXNAY2hy aXMtd2lsc29uLmNvLnVrClNpZ25lZC1vZmYtYnk6IFNhc2hhIExldmluIDxzYXNoYWxAa2VybmVs Lm9yZz4KLS0tCiBkcml2ZXJzL2RtYS1idWYvc3dfc3luYy5jIHwgMTYgKysrKysrKy0tLS0tLS0t LQogMSBmaWxlIGNoYW5nZWQsIDcgaW5zZXJ0aW9ucygrKSwgOSBkZWxldGlvbnMoLSkKCmRpZmYg LS1naXQgYS9kcml2ZXJzL2RtYS1idWYvc3dfc3luYy5jIGIvZHJpdmVycy9kbWEtYnVmL3N3X3N5 bmMuYwppbmRleCAyNGY4M2Y5ZWVhZWRjLi4xMTRiMzY2NzRhZjQyIDEwMDY0NAotLS0gYS9kcml2 ZXJzL2RtYS1idWYvc3dfc3luYy5jCisrKyBiL2RyaXZlcnMvZG1hLWJ1Zi9zd19zeW5jLmMKQEAg LTE0MSwxNyArMTQxLDE0IEBAIHN0YXRpYyB2b2lkIHRpbWVsaW5lX2ZlbmNlX3JlbGVhc2Uoc3Ry dWN0IGRtYV9mZW5jZSAqZmVuY2UpCiB7CiAJc3RydWN0IHN5bmNfcHQgKnB0ID0gZG1hX2ZlbmNl X3RvX3N5bmNfcHQoZmVuY2UpOwogCXN0cnVjdCBzeW5jX3RpbWVsaW5lICpwYXJlbnQgPSBkbWFf ZmVuY2VfcGFyZW50KGZlbmNlKTsKKwl1bnNpZ25lZCBsb25nIGZsYWdzOwogCisJc3Bpbl9sb2Nr X2lycXNhdmUoZmVuY2UtPmxvY2ssIGZsYWdzKTsKIAlpZiAoIWxpc3RfZW1wdHkoJnB0LT5saW5r KSkgewotCQl1bnNpZ25lZCBsb25nIGZsYWdzOwotCi0JCXNwaW5fbG9ja19pcnFzYXZlKGZlbmNl LT5sb2NrLCBmbGFncyk7Ci0JCWlmICghbGlzdF9lbXB0eSgmcHQtPmxpbmspKSB7Ci0JCQlsaXN0 X2RlbCgmcHQtPmxpbmspOwotCQkJcmJfZXJhc2UoJnB0LT5ub2RlLCAmcGFyZW50LT5wdF90cmVl KTsKLQkJfQotCQlzcGluX3VubG9ja19pcnFyZXN0b3JlKGZlbmNlLT5sb2NrLCBmbGFncyk7CisJ CWxpc3RfZGVsKCZwdC0+bGluayk7CisJCXJiX2VyYXNlKCZwdC0+bm9kZSwgJnBhcmVudC0+cHRf dHJlZSk7CiAJfQorCXNwaW5fdW5sb2NrX2lycXJlc3RvcmUoZmVuY2UtPmxvY2ssIGZsYWdzKTsK IAogCXN5bmNfdGltZWxpbmVfcHV0KHBhcmVudCk7CiAJZG1hX2ZlbmNlX2ZyZWUoZmVuY2UpOwpA QCAtMjc1LDcgKzI3Miw4IEBAIHN0YXRpYyBzdHJ1Y3Qgc3luY19wdCAqc3luY19wdF9jcmVhdGUo c3RydWN0IHN5bmNfdGltZWxpbmUgKm9iaiwKIAkJCQlwID0gJnBhcmVudC0+cmJfbGVmdDsKIAkJ CX0gZWxzZSB7CiAJCQkJaWYgKGRtYV9mZW5jZV9nZXRfcmN1KCZvdGhlci0+YmFzZSkpIHsKLQkJ CQkJZG1hX2ZlbmNlX3B1dCgmcHQtPmJhc2UpOworCQkJCQlzeW5jX3RpbWVsaW5lX3B1dChvYmop OworCQkJCQlrZnJlZShwdCk7CiAJCQkJCXB0ID0gb3RoZXI7CiAJCQkJCWdvdG8gdW5sb2NrOwog CQkJCX0KLS0gCjIuMjAuMQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0 b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJp LWRldmVs