From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Hoath Subject: [RFC] drm/i195: Add flag to enable virtual mappings above 4Gb Date: Wed, 18 Mar 2015 16:57:53 +0000 Message-ID: <1426697873-14389-1-git-send-email-nicholas.hoath@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 5CF5E6E888 for ; Wed, 18 Mar 2015 09:58:07 -0700 (PDT) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org V2EzMmJpdEdlbmVyYWxTdGF0ZU9mZnNldCAmIFdhMzJiaXRJbnN0cnVjdGlvbkJhc2VPZmZzZXQg aGFyZHdhcmUKd29ya2Fyb3VuZHMgcmVxdWlyZSB0aGF0IEdlbmVyYWxTdGF0ZU9mZnNldCAmIElu c3RydWN0aW9uQmFzZU9mZnNldAphcmUgcmVzdHJpY3RlZCB0byBhIDMyIGJpdCBhZGRyZXNzIHNw YWNlLgoKVGhpcyBpcyBhIHByZXBhcmF0b3J5IHBhdGNoIHByaW9yIHRvIHN1cHBvcnRpbmcgNjRi aXQgdmlydHVhbCBtZW1vcnkKYWxsb2NhdGlvbnMuCgpBbGxvdyB0aGUgdXNlciBzcGFjZSB0byBm bGFnIHRoYXQgYSBtYXBwaW5nIGNhbiBvY2N1ciBiZXlvbmQKdGhlIDMyYml0IGxpbWl0LiBUaGlz IGFsbG93cyBiYWNrd2FyZCBjb21wYXRpYmlsaXR5IGFuZCB1c2VyIHNwYWNlCmRyaXZlcnMgdGhh dCBoYXZlbid0IGJlZW4gZW5oYW5jZWQgdG8gc3VwcG9ydCB0aGVzZSB3b3JrYXJvdW5kcyB0bwpm dW5jdGlvbi4KClNpZ25lZC1vZmYtYnk6IE5pY2sgSG9hdGggPG5pY2hvbGFzLmhvYXRoQGludGVs LmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oIHwgIDYgKysrKysrCiBk cml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbS5jIHwgMTggKysrKysrKysrKysrKysrLS0tCiBp bmNsdWRlL3VhcGkvZHJtL2k5MTVfZHJtLmggICAgIHwgIDcgKysrKysrLQogMyBmaWxlcyBjaGFu Z2VkLCAyNyBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Ry di5oCmluZGV4IDNjYzAxOTYuLjFlNmZjMWQgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZHJ2LmgKKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9kcnYuaApAQCAt MjA2Niw2ICsyMDY2LDEyIEBAIHN0cnVjdCBkcm1faTkxNV9nZW1fb2JqZWN0IHsKIAl1bnNpZ25l ZCBpbnQgaGFzX2RtYV9tYXBwaW5nOjE7CiAKIAl1bnNpZ25lZCBpbnQgZnJvbnRidWZmZXJfYml0 czpJTlRFTF9GUk9OVEJVRkZFUl9CSVRTOworCisJLyoqCisJICogSWYgdGhlIG9iamVjdCBzaG91 bGQgYmUgbWFwcGVkIGluIHRvIHRoZSBib3R0b20gNEdiCisJICogbWVtb3J5IHNwYWNlIG9ubHks IHRoZW4gdGhpcyBmbGFnIHNob3VsZCBub3QgYmUgc2V0CisJICovCisJdW5zaWduZWQgaW50IGhp X21lbToxOwogCiAJc3RydWN0IHNnX3RhYmxlICpwYWdlczsKIAlpbnQgcGFnZXNfcGluX2NvdW50 OwpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYyBiL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2k5MTVfZ2VtLmMKaW5kZXggNjExMzRhYi4uZWZhNzgyYyAxMDA2NDQKLS0t IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW0uYworKysgYi9kcml2ZXJzL2dwdS9kcm0v aTkxNS9pOTE1X2dlbS5jCkBAIC0zOTUsNyArMzk1LDkgQEAgc3RhdGljIGludAogaTkxNV9nZW1f Y3JlYXRlKHN0cnVjdCBkcm1fZmlsZSAqZmlsZSwKIAkJc3RydWN0IGRybV9kZXZpY2UgKmRldiwK IAkJdWludDY0X3Qgc2l6ZSwKLQkJdWludDMyX3QgKmhhbmRsZV9wKQorCQl1aW50MzJfdCAqaGFu ZGxlX3AsCisJCXVpbnQzMl90IGZsYWdzCisJCSkKIHsKIAlzdHJ1Y3QgZHJtX2k5MTVfZ2VtX29i amVjdCAqb2JqOwogCWludCByZXQ7CkBAIC00MTAsNiArNDEyLDkgQEAgaTkxNV9nZW1fY3JlYXRl KHN0cnVjdCBkcm1fZmlsZSAqZmlsZSwKIAlpZiAob2JqID09IE5VTEwpCiAJCXJldHVybiAtRU5P TUVNOwogCisJaWYgKGZsYWdzICYgSTkxNV9DUkVBVEVfRkxBR19ISV9NRU0pCisJCW9iai0+aGlf bWVtID0gMTsKKwogCXJldCA9IGRybV9nZW1faGFuZGxlX2NyZWF0ZShmaWxlLCAmb2JqLT5iYXNl LCAmaGFuZGxlKTsKIAkvKiBkcm9wIHJlZmVyZW5jZSBmcm9tIGFsbG9jYXRlIC0gaGFuZGxlIGhv bGRzIGl0IG5vdyAqLwogCWRybV9nZW1fb2JqZWN0X3VucmVmZXJlbmNlX3VubG9ja2VkKCZvYmot PmJhc2UpOwpAQCAtNDI5LDcgKzQzNCw4IEBAIGk5MTVfZ2VtX2R1bWJfY3JlYXRlKHN0cnVjdCBk cm1fZmlsZSAqZmlsZSwKIAlhcmdzLT5waXRjaCA9IEFMSUdOKGFyZ3MtPndpZHRoICogRElWX1JP VU5EX1VQKGFyZ3MtPmJwcCwgOCksIDY0KTsKIAlhcmdzLT5zaXplID0gYXJncy0+cGl0Y2ggKiBh cmdzLT5oZWlnaHQ7CiAJcmV0dXJuIGk5MTVfZ2VtX2NyZWF0ZShmaWxlLCBkZXYsCi0JCQkgICAg ICAgYXJncy0+c2l6ZSwgJmFyZ3MtPmhhbmRsZSk7CisJCQkgICAgICAgYXJncy0+c2l6ZSwgJmFy Z3MtPmhhbmRsZSwKKwkJCSAgICAgICBJOTE1X0NSRUFURV9GTEFHX0hJX01FTSk7CiB9CiAKIC8q KgpAQCAtNDQwLDkgKzQ0NiwxMCBAQCBpOTE1X2dlbV9jcmVhdGVfaW9jdGwoc3RydWN0IGRybV9k ZXZpY2UgKmRldiwgdm9pZCAqZGF0YSwKIAkJICAgICAgc3RydWN0IGRybV9maWxlICpmaWxlKQog ewogCXN0cnVjdCBkcm1faTkxNV9nZW1fY3JlYXRlICphcmdzID0gZGF0YTsKIAogCXJldHVybiBp OTE1X2dlbV9jcmVhdGUoZmlsZSwgZGV2LAotCQkJICAgICAgIGFyZ3MtPnNpemUsICZhcmdzLT5o YW5kbGUpOworCQkJICAgICAgIGFyZ3MtPnNpemUsICZhcmdzLT5oYW5kbGUsCisJCQkgICAgICAg YXJncy0+ZmxhZ3MpOwogfQogCiBzdGF0aWMgaW5saW5lIGludApkaWZmIC0tZ2l0IGEvaW5jbHVk ZS91YXBpL2RybS9pOTE1X2RybS5oIGIvaW5jbHVkZS91YXBpL2RybS9pOTE1X2RybS5oCmluZGV4 IDZlZWQxNmIuLmViMmU3ZDkgMTAwNjQ0Ci0tLSBhL2luY2x1ZGUvdWFwaS9kcm0vaTkxNV9kcm0u aAorKysgYi9pbmNsdWRlL3VhcGkvZHJtL2k5MTVfZHJtLmgKQEAgLTQyOCw2ICs0MjgsOCBAQCBz dHJ1Y3QgZHJtX2k5MTVfZ2VtX2luaXQgewogCV9fdTY0IGd0dF9lbmQ7CiB9OwogCisjZGVmaW5l IEk5MTVfQ1JFQVRFX0ZMQUdfSElfTUVNCTB4MDAwMDAwMDEKKwogc3RydWN0IGRybV9pOTE1X2dl bV9jcmVhdGUgewogCS8qKgogCSAqIFJlcXVlc3RlZCBzaXplIGZvciB0aGUgb2JqZWN0LgpAQCAt NDQxLDcgKzQ0MywxMCBAQCBzdHJ1Y3QgZHJtX2k5MTVfZ2VtX2NyZWF0ZSB7CiAJICogT2JqZWN0 IGhhbmRsZXMgYXJlIG5vbnplcm8uCiAJICovCiAJX191MzIgaGFuZGxlOwotCV9fdTMyIHBhZDsK KwkvKioKKwkgKiBPYmplY3QgY3JlYXRpb24gZmxhZ3MKKwkgKi8KKwlfX3UzMiBmbGFnczsKIH07 CiAKIHN0cnVjdCBkcm1faTkxNV9nZW1fcHJlYWQgewotLSAKMi4xLjEKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QK SW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Au b3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==