From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH] gpu: host1x: Acquire a reference to the IOVA cache Date: Mon, 14 May 2018 12:13:01 +0200 Message-ID: <20180514101301.32188-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: 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 List-Id: linux-tegra@vger.kernel.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KClRoZSBJT1ZBIEFQSSB1 c2VzIGEgbWVtb3J5IGNhY2hlIHRvIGFsbG9jYXRlIElPVkEgbm9kZXMgZnJvbS4gVG8gbWFrZQpz dXJlIHRoYXQgdGhpcyBjYWNoZSBpcyBhdmFpbGFibGUsIG9idGFpbiBhIHJlZmVyZW5jZSB0byBp dCBhbmQgcmVsZWFzZQp0aGUgcmVmZXJlbmNlIHdoZW4gdGhlIGNhY2hlIGlzIG5vIGxvbmdlciBu ZWVkZWQuCgpPbiA2NC1iaXQgQVJNIHRoaXMgaXMgaGlkZGVuIGJ5IHRoZSBmYWN0IHRoYXQgdGhl IERNQSBtYXBwaW5nIEFQSSBnZXRzCnRoYXQgcmVmZXJlbmNlIGFuZCBuZXZlciByZWxlYXNlcyBp dC4gT24gMzItYml0IEFSTSwgdGhpcyBpcyBwYXBlcmVkCm92ZXIgYnkgdGhlIFRlZ3JhIERSTSBk cml2ZXIgKHRoZSBzb2xlIHVzZXIgb2YgdGhlIGhvc3QxeCBBUEkgcmVxdWlyaW5nCnRoZSBjYWNo ZSkgYWNxdWlyaW5nIGEgcmVmZXJlbmNlIHRvIHRoZSBJT1ZBIGNhY2hlIGZvciBpdHMgb3duIHB1 cnBvc2VzLgpIb3dldmVyLCB0aGVyZSBtYXkgYmUgYWRkaXRpb25hbCB1c2VycyBvZiB0aGlzIEFQ SSBpbiB0aGUgZnV0dXJlLCBzbyBmaXgKdGhpcyB1cGZyb250IHRvIGF2b2lkIHN1cnByaXNlcy4K CkZpeGVzOiA0MDRiZmI3OGRhZjMgKCJncHU6IGhvc3QxeDogQWRkIElPTU1VIHN1cHBvcnQiKQpT aWduZWQtb2ZmLWJ5OiBUaGllcnJ5IFJlZGluZyA8dHJlZGluZ0BudmlkaWEuY29tPgotLS0KIGRy aXZlcnMvZ3B1L2hvc3QxeC9kZXYuYyB8IDExICsrKysrKysrKystCiAxIGZpbGUgY2hhbmdlZCwg MTAgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1 L2hvc3QxeC9kZXYuYyBiL2RyaXZlcnMvZ3B1L2hvc3QxeC9kZXYuYwppbmRleCAwM2RiNzExNzNm NWQuLmYxZDVmNzZlOWMzMyAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvaG9zdDF4L2Rldi5jCisr KyBiL2RyaXZlcnMvZ3B1L2hvc3QxeC9kZXYuYwpAQCAtMjIzLDEwICsyMjMsMTQgQEAgc3RhdGlj IGludCBob3N0MXhfcHJvYmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKIAkJc3RydWN0 IGlvbW11X2RvbWFpbl9nZW9tZXRyeSAqZ2VvbWV0cnk7CiAJCXVuc2lnbmVkIGxvbmcgb3JkZXI7 CiAKKwkJZXJyID0gaW92YV9jYWNoZV9nZXQoKTsKKwkJaWYgKGVyciA8IDApCisJCQlnb3RvIHB1 dF9ncm91cDsKKwogCQlob3N0LT5kb21haW4gPSBpb21tdV9kb21haW5fYWxsb2MoJnBsYXRmb3Jt X2J1c190eXBlKTsKIAkJaWYgKCFob3N0LT5kb21haW4pIHsKIAkJCWVyciA9IC1FTk9NRU07Ci0J CQlnb3RvIHB1dF9ncm91cDsKKwkJCWdvdG8gcHV0X2NhY2hlOwogCQl9CiAKIAkJZXJyID0gaW9t bXVfYXR0YWNoX2dyb3VwKGhvc3QtPmRvbWFpbiwgaG9zdC0+Z3JvdXApOwpAQCAtMjM0LDYgKzIz OCw3IEBAIHN0YXRpYyBpbnQgaG9zdDF4X3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBk ZXYpCiAJCQlpZiAoZXJyID09IC1FTk9ERVYpIHsKIAkJCQlpb21tdV9kb21haW5fZnJlZShob3N0 LT5kb21haW4pOwogCQkJCWhvc3QtPmRvbWFpbiA9IE5VTEw7CisJCQkJaW92YV9jYWNoZV9wdXQo KTsKIAkJCQlpb21tdV9ncm91cF9wdXQoaG9zdC0+Z3JvdXApOwogCQkJCWhvc3QtPmdyb3VwID0g TlVMTDsKIAkJCQlnb3RvIHNraXBfaW9tbXU7CkBAIC0zMDgsNiArMzEzLDkgQEAgc3RhdGljIGlu dCBob3N0MXhfcHJvYmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKIGZhaWxfZnJlZV9k b21haW46CiAJaWYgKGhvc3QtPmRvbWFpbikKIAkJaW9tbXVfZG9tYWluX2ZyZWUoaG9zdC0+ZG9t YWluKTsKK3B1dF9jYWNoZToKKwlpZiAoaG9zdC0+Z3JvdXApCisJCWlvdmFfY2FjaGVfcHV0KCk7 CiBwdXRfZ3JvdXA6CiAJaW9tbXVfZ3JvdXBfcHV0KGhvc3QtPmdyb3VwKTsKIApAQCAtMzI4LDYg KzMzNiw3IEBAIHN0YXRpYyBpbnQgaG9zdDF4X3JlbW92ZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNl ICpwZGV2KQogCQlwdXRfaW92YV9kb21haW4oJmhvc3QtPmlvdmEpOwogCQlpb21tdV9kZXRhY2hf Z3JvdXAoaG9zdC0+ZG9tYWluLCBob3N0LT5ncm91cCk7CiAJCWlvbW11X2RvbWFpbl9mcmVlKGhv c3QtPmRvbWFpbik7CisJCWlvdmFfY2FjaGVfcHV0KCk7CiAJCWlvbW11X2dyb3VwX3B1dChob3N0 LT5ncm91cCk7CiAJfQogCi0tIAoyLjE3LjAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2RyaS1kZXZlbAo=