From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH 2/2] drm/tegra: Acquire a reference to the IOVA cache Date: Mon, 23 Apr 2018 08:57:45 +0200 Message-ID: <20180423065745.26102-2-thierry.reding@gmail.com> References: <20180423065745.26102-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180423065745.26102-1-thierry.reding@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Thierry Reding Cc: linux-tegra@vger.kernel.org, Dmitry Osipenko , dri-devel@lists.freedesktop.org, Mikko Perttunen List-Id: linux-tegra@vger.kernel.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KClRoZSBJT1ZBIEFQSSB1 c2VzIGEgbWVtb3J5IGNhY2hlIHRvIGFsbG9jYXRlIElPVkEgbm9kZXMgZnJvbS4gVG8gbWFrZQpz dXJlIHRoYXQgdGhpcyBjYWNoZSBpcyBhdmFpbGFibGUsIG9idGFpbiBhIHJlZmVyZW5jZSB0byBp dCBhbmQgcmVsZWFzZQp0aGUgcmVmZXJlbmNlIHdoZW4gdGhlIGNhY2hlIGlzIG5vIGxvbmdlciBu ZWVkZWQuCgpPbiA2NC1iaXQgQVJNIHRoaXMgaXMgaGlkZGVuIGJ5IHRoZSBmYWN0IHRoYXQgdGhl IERNQSBtYXBwaW5nIEFQSSBnZXRzCnRoYXQgcmVmZXJlbmNlIGFuZCBuZXZlciByZWxlYXNlcyBp dC4gT24gMzItYml0IEFSTSwgaG93ZXZlciwgdGhlIERNQQptYXBwaW5nIEFQSSBkb2Vzbid0IGRv IHRoYXQsIHNvIGFsbG9jYXRpb24gb2YgSU9WQSBub2RlcyBmYWlscy4KClNpZ25lZC1vZmYtYnk6 IFRoaWVycnkgUmVkaW5nIDx0cmVkaW5nQG52aWRpYS5jb20+Ci0tLQogZHJpdmVycy9ncHUvZHJt L3RlZ3JhL2RybS5jIHwgOCArKysrKysrLQogMSBmaWxlIGNoYW5nZWQsIDcgaW5zZXJ0aW9ucygr KSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS90ZWdyYS9kcm0u YyBiL2RyaXZlcnMvZ3B1L2RybS90ZWdyYS9kcm0uYwppbmRleCA0YTY5NmZhMjc0YTMuLjA1NDBi MDc0MWRmNiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL3RlZ3JhL2RybS5jCisrKyBiL2Ry aXZlcnMvZ3B1L2RybS90ZWdyYS9kcm0uYwpAQCAtMTE1LDYgKzExNSwxMCBAQCBzdGF0aWMgaW50 IHRlZ3JhX2RybV9sb2FkKHN0cnVjdCBkcm1fZGV2aWNlICpkcm0sIHVuc2lnbmVkIGxvbmcgZmxh Z3MpCiAJCQlnb3RvIGZyZWU7CiAJCX0KIAorCQllcnIgPSBpb3ZhX2NhY2hlX2dldCgpOworCQlp ZiAoZXJyIDwgMCkKKwkJCWdvdG8gZG9tYWluOworCiAJCWdlb21ldHJ5ID0gJnRlZ3JhLT5kb21h aW4tPmdlb21ldHJ5OwogCQlnZW1fc3RhcnQgPSBnZW9tZXRyeS0+YXBlcnR1cmVfc3RhcnQ7CiAJ CWdlbV9lbmQgPSBnZW9tZXRyeS0+YXBlcnR1cmVfZW5kIC0gQ0FSVkVPVVRfU1o7CkBAIC0yMDUs MTEgKzIwOSwxMiBAQCBzdGF0aWMgaW50IHRlZ3JhX2RybV9sb2FkKHN0cnVjdCBkcm1fZGV2aWNl ICpkcm0sIHVuc2lnbmVkIGxvbmcgZmxhZ3MpCiAJdGVncmFfZHJtX2ZiX2ZyZWUoZHJtKTsKIGNv bmZpZzoKIAlkcm1fbW9kZV9jb25maWdfY2xlYW51cChkcm0pOwotCitkb21haW46CiAJaWYgKHRl Z3JhLT5kb21haW4pIHsKIAkJbXV0ZXhfZGVzdHJveSgmdGVncmEtPm1tX2xvY2spOwogCQlkcm1f bW1fdGFrZWRvd24oJnRlZ3JhLT5tbSk7CiAJCXB1dF9pb3ZhX2RvbWFpbigmdGVncmEtPmNhcnZl b3V0LmRvbWFpbik7CisJCWlvdmFfY2FjaGVfcHV0KCk7CiAJCWlvbW11X2RvbWFpbl9mcmVlKHRl Z3JhLT5kb21haW4pOwogCX0KIGZyZWU6CkBAIC0yMzYsNiArMjQxLDcgQEAgc3RhdGljIHZvaWQg dGVncmFfZHJtX3VubG9hZChzdHJ1Y3QgZHJtX2RldmljZSAqZHJtKQogCQltdXRleF9kZXN0cm95 KCZ0ZWdyYS0+bW1fbG9jayk7CiAJCWRybV9tbV90YWtlZG93bigmdGVncmEtPm1tKTsKIAkJcHV0 X2lvdmFfZG9tYWluKCZ0ZWdyYS0+Y2FydmVvdXQuZG9tYWluKTsKKwkJaW92YV9jYWNoZV9wdXQo KTsKIAkJaW9tbXVfZG9tYWluX2ZyZWUodGVncmEtPmRvbWFpbik7CiAJfQogCi0tIAoyLjE3LjAK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZl bCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=