From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Nicolai=20H=C3=A4hnle?= Subject: [PATCH 4/5] drm/amd/amdgpu: add check that shadow page directory is GPU-accessible Date: Thu, 15 Dec 2016 18:10:14 +0100 Message-ID: <1481821815-9971-5-git-send-email-nhaehnle@gmail.com> References: <1481821815-9971-1-git-send-email-nhaehnle@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1481821815-9971-1-git-send-email-nhaehnle-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: =?UTF-8?q?Nicolai=20H=C3=A4hnle?= , dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org RnJvbTogTmljb2xhaSBIw6RobmxlIDxuaWNvbGFpLmhhZWhubGVAYW1kLmNvbT4KClNraXAgYW1k Z3B1X2dlbV92YV91cGRhdGVfdm0gd2hlbiBzaGFkb3cgdGhlIHBhZ2UgZGlyZWN0b3J5IGlzIHN3 YXBwZWQgb3V0LgpDbGVhbiB1cCB0aGUgY2hlY2sgZm9yIG5vbi1zaGFkb3cgQk9zIGFzIHdlbGwg dXNpbmcgdGhlIG5ldyBoZWxwZXIgZnVuY3Rpb24uCgpUaGlzIGZpeGVzIGEgY3Jhc2ggd2l0aCB0 aGUgc3RhY2sgdHJhY2U6CgphbWRncHVfZ2VtX3ZhX3VwZGF0ZV92bQotPiBhbWRncHVfdm1fdXBk YXRlX3BhZ2VfZGlyZWN0b3J5CiAtPiBhbWRncHVfdHRtX2JpbmQKICAtPiBhbWRncHVfZ3R0X21n cl9hbGxvYwoKU2lnbmVkLW9mZi1ieTogTmljb2xhaSBIw6RobmxlIDxuaWNvbGFpLmhhZWhubGVA YW1kLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZ2VtLmMgfCAx MSArKysrKysrKy0tLQogMSBmaWxlIGNoYW5nZWQsIDggaW5zZXJ0aW9ucygrKSwgMyBkZWxldGlv bnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZ2Vt LmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZ2VtLmMKaW5kZXggY2Q2MmY2 Zi4uNGUxZWIwNSAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1 X2dlbS5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9nZW0uYwpAQCAt NDg5LDQ0ICs0ODksNDkgQEAgc3RhdGljIGludCBhbWRncHVfZ2VtX3ZhX2NoZWNrKHZvaWQgKnBh cmFtLCBzdHJ1Y3QgYW1kZ3B1X2JvICpibykKICAqIHZpdGFsIGhlcmUsIHNvIHRoZXkgYXJlIG5v dCByZXBvcnRlZCBiYWNrIHRvIHVzZXJzcGFjZS4KICAqLwogc3RhdGljIHZvaWQgYW1kZ3B1X2dl bV92YV91cGRhdGVfdm0oc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYsCiAJCQkJICAgIHN0cnVj dCBhbWRncHVfYm9fdmEgKmJvX3ZhLAogCQkJCSAgICB1aW50MzJfdCBvcGVyYXRpb24pCiB7CiAJ c3RydWN0IHR0bV92YWxpZGF0ZV9idWZmZXIgdHYsICplbnRyeTsKIAlzdHJ1Y3QgYW1kZ3B1X2Jv X2xpc3RfZW50cnkgdm1fcGQ7CiAJc3RydWN0IHd3X2FjcXVpcmVfY3R4IHRpY2tldDsKIAlzdHJ1 Y3QgbGlzdF9oZWFkIGxpc3QsIGR1cGxpY2F0ZXM7Ci0JdW5zaWduZWQgZG9tYWluOwogCWludCBy OwogCiAJSU5JVF9MSVNUX0hFQUQoJmxpc3QpOwogCUlOSVRfTElTVF9IRUFEKCZkdXBsaWNhdGVz KTsKIAogCXR2LmJvID0gJmJvX3ZhLT5iby0+dGJvOwogCXR2LnNoYXJlZCA9IHRydWU7CiAJbGlz dF9hZGQoJnR2LmhlYWQsICZsaXN0KTsKIAogCWFtZGdwdV92bV9nZXRfcGRfYm8oYm9fdmEtPnZt LCAmbGlzdCwgJnZtX3BkKTsKIAogCS8qIFByb3ZpZGUgZHVwbGljYXRlcyB0byBhdm9pZCAtRUFM UkVBRFkgKi8KIAlyID0gdHRtX2V1X3Jlc2VydmVfYnVmZmVycygmdGlja2V0LCAmbGlzdCwgdHJ1 ZSwgJmR1cGxpY2F0ZXMpOwogCWlmIChyKQogCQlnb3RvIGVycm9yX3ByaW50OwogCiAJbGlzdF9m b3JfZWFjaF9lbnRyeShlbnRyeSwgJmxpc3QsIGhlYWQpIHsKLQkJZG9tYWluID0gYW1kZ3B1X21l bV90eXBlX3RvX2RvbWFpbihlbnRyeS0+Ym8tPm1lbS5tZW1fdHlwZSk7CisJCXN0cnVjdCBhbWRn cHVfYm8gKmJvID0KKwkJCWNvbnRhaW5lcl9vZihlbnRyeS0+Ym8sIHN0cnVjdCBhbWRncHVfYm8s IHRibyk7CisKIAkJLyogaWYgYW55dGhpbmcgaXMgc3dhcHBlZCBvdXQgZG9uJ3Qgc3dhcCBpdCBp biBoZXJlLAogCQkgICBqdXN0IGFib3J0IGFuZCB3YWl0IGZvciB0aGUgbmV4dCBDUyAqLwotCQlp ZiAoZG9tYWluID09IEFNREdQVV9HRU1fRE9NQUlOX0NQVSkKKwkJaWYgKCFhbWRncHVfYm9fZ3B1 X2FjY2Vzc2libGUoYm8pKQorCQkJZ290byBlcnJvcl91bnJlc2VydmU7CisKKwkJaWYgKGJvLT5z aGFkb3cgJiYgIWFtZGdwdV9ib19ncHVfYWNjZXNzaWJsZShiby0+c2hhZG93KSkKIAkJCWdvdG8g ZXJyb3JfdW5yZXNlcnZlOwogCX0KKwogCXIgPSBhbWRncHVfdm1fdmFsaWRhdGVfcHRfYm9zKGFk ZXYsIGJvX3ZhLT52bSwgYW1kZ3B1X2dlbV92YV9jaGVjaywKIAkJCQkgICAgICBOVUxMKTsKIAlp ZiAocikKIAkJZ290byBlcnJvcl91bnJlc2VydmU7CiAKIAlyID0gYW1kZ3B1X3ZtX3VwZGF0ZV9w YWdlX2RpcmVjdG9yeShhZGV2LCBib192YS0+dm0pOwogCWlmIChyKQogCQlnb3RvIGVycm9yX3Vu cmVzZXJ2ZTsKIAogCXIgPSBhbWRncHVfdm1fY2xlYXJfZnJlZWQoYWRldiwgYm9fdmEtPnZtKTsK LS0gCjIuNy40CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRw czovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngK