From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH v3 13/16] drm/tegra: Restrict IOVA space to DMA mask Date: Fri, 1 Feb 2019 14:28:34 +0100 Message-ID: <20190201132837.12327-14-thierry.reding@gmail.com> References: <20190201132837.12327-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190201132837.12327-1-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 RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KCk9uIFRlZ3JhMTg2IGFu ZCBsYXRlciwgdGhlIEFSTSBTTU1VIHByb3ZpZGVzIGFuIGlucHV0IGFkZHJlc3Mgc3BhY2UgdGhh dAppcyA0OCBiaXRzIHdpZGUuIEhvd2V2ZXIsIG1lbW9yeSBjbGllbnRzIGNhbiBvbmx5IGFkZHJl c3MgdXAgdG8gNDAgYml0cy4KSWYgdGhlIGdlb21ldHJ5IGlzIHVzZWQgYXMtaXMsIGFsbG9jYXRp b25zIG9mIElPVkEgc3BhY2UgY2FuIGVuZCB1cCBpbiBhCnJlZ2lvbiB0aGF0IGNhbm5vdCBiZSBh ZGRyZXNzZWQgYnkgdGhlIG1lbW9yeSBjbGllbnRzLgoKVG8gZml4IHRoaXMsIHJlc3RyaWN0IHRo ZSBJT1ZBIHNwYWNlIHRvIHRoZSBETUEgbWFzayBvZiB0aGUgaG9zdDF4CmRldmljZS4gTm90ZSB0 aGF0LCB0ZWNobmljYWxseSwgdGhlIElPVkEgc3BhY2UgbmVlZHMgdG8gYmUgcmVzdHJpY3RlZCB0 bwp0aGUgaW50ZXJzZWN0aW9uIG9mIHRoZSBETUEgbWFza3MgZm9yIGFsbCBjbGllbnRzIHRoYXQg YXJlIGF0dGFjaGVkIHRvCnRoZSBJT01NVSBkb21haW4uIEluIHByYWN0aWNlIHVzaW5nIHRoZSBE TUEgbWFzayBvZiB0aGUgaG9zdDF4IGRldmljZSBpcwpzdWZmaWNpZW50IGJlY2F1c2UgYWxsIGhv c3QxeCBjbGllbnRzIHNoYXJlIHRoZSBzYW1lIERNQSBtYXNrLgoKU2lnbmVkLW9mZi1ieTogVGhp ZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vdGVn cmEvZHJtLmMgfCA1ICsrKy0tCiAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRpb25zKCspLCAyIGRl bGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS90ZWdyYS9kcm0uYyBiL2Ry aXZlcnMvZ3B1L2RybS90ZWdyYS9kcm0uYwppbmRleCAyNzFjN2E1ZmM5NTQuLjBjNWYxZTZhMDQ0 NiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL3RlZ3JhL2RybS5jCisrKyBiL2RyaXZlcnMv Z3B1L2RybS90ZWdyYS9kcm0uYwpAQCAtMTM2LDExICsxMzYsMTIgQEAgc3RhdGljIGludCB0ZWdy YV9kcm1fbG9hZChzdHJ1Y3QgZHJtX2RldmljZSAqZHJtLCB1bnNpZ25lZCBsb25nIGZsYWdzKQog CiAJaWYgKHRlZ3JhLT5kb21haW4pIHsKIAkJdTY0IGNhcnZlb3V0X3N0YXJ0LCBjYXJ2ZW91dF9l bmQsIGdlbV9zdGFydCwgZ2VtX2VuZDsKKwkJdTY0IGRtYV9tYXNrID0gZG1hX2dldF9tYXNrKCZk ZXZpY2UtPmRldik7CiAJCWRtYV9hZGRyX3Qgc3RhcnQsIGVuZDsKIAkJdW5zaWduZWQgbG9uZyBv cmRlcjsKIAotCQlzdGFydCA9IHRlZ3JhLT5kb21haW4tPmdlb21ldHJ5LmFwZXJ0dXJlX3N0YXJ0 OwotCQllbmQgPSB0ZWdyYS0+ZG9tYWluLT5nZW9tZXRyeS5hcGVydHVyZV9lbmQ7CisJCXN0YXJ0 ID0gdGVncmEtPmRvbWFpbi0+Z2VvbWV0cnkuYXBlcnR1cmVfc3RhcnQgJiBkbWFfbWFzazsKKwkJ ZW5kID0gdGVncmEtPmRvbWFpbi0+Z2VvbWV0cnkuYXBlcnR1cmVfZW5kICYgZG1hX21hc2s7CiAK IAkJZ2VtX3N0YXJ0ID0gc3RhcnQ7CiAJCWdlbV9lbmQgPSBlbmQgLSBDQVJWRU9VVF9TWjsKLS0g CjIuMTkuMQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K ZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==