From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH v2 06/21] drm/dp: Probe link using existing parsing helpers Date: Mon, 2 Sep 2019 13:31:06 +0200 Message-ID: <20190902113121.31323-7-thierry.reding@gmail.com> References: <20190902113121.31323-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wr1-x441.google.com (mail-wr1-x441.google.com [IPv6:2a00:1450:4864:20::441]) by gabe.freedesktop.org (Postfix) with ESMTPS id DD9D789A61 for ; Mon, 2 Sep 2019 11:31:38 +0000 (UTC) Received: by mail-wr1-x441.google.com with SMTP id l11so4834072wrx.5 for ; Mon, 02 Sep 2019 04:31:38 -0700 (PDT) In-Reply-To: <20190902113121.31323-1-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: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KClVzZSBleGlzdGluZyBw YXJzaW5nIGhlbHBlcnMgdG8gcHJvYmUgYSBEaXNwbGF5UG9ydCBsaW5rLgoKUmV2aWV3ZWQtYnk6 IFBoaWxpcHAgWmFiZWwgPHAuemFiZWxAcGVuZ3V0cm9uaXguZGU+ClNpZ25lZC1vZmYtYnk6IFRo aWVycnkgUmVkaW5nIDx0cmVkaW5nQG52aWRpYS5jb20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2Ry bV9kcF9oZWxwZXIuYyB8IDI5ICsrKysrKysrKysrKysrKysrKysrKystLS0tLS0tCiBpbmNsdWRl L2RybS9kcm1fZHBfaGVscGVyLmggICAgIHwgIDIgKysKIDIgZmlsZXMgY2hhbmdlZCwgMjQgaW5z ZXJ0aW9ucygrKSwgNyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v ZHJtX2RwX2hlbHBlci5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9kcF9oZWxwZXIuYwppbmRleCBi ZGY5OTliYjZjZmEuLmNkZjQ5ZThkNWUzYSAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2Ry bV9kcF9oZWxwZXIuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX2hlbHBlci5jCkBAIC0z MjAsNiArMzIwLDIyIEBAIHNzaXplX3QgZHJtX2RwX2RwY2Rfd3JpdGUoc3RydWN0IGRybV9kcF9h dXggKmF1eCwgdW5zaWduZWQgaW50IG9mZnNldCwKIH0KIEVYUE9SVF9TWU1CT0woZHJtX2RwX2Rw Y2Rfd3JpdGUpOwogCisvKioKKyAqIGRybV9kcF9kcGNkX3JlYWRfbGlua19jYXBzKCkgLSByZWFk IERQQ0QgbGluayBjYXBhYmlsaXRpZXMKKyAqIEBhdXg6IERpc3BsYXlQb3J0IEFVWCBjaGFubmVs CisgKiBAY2FwczogYnVmZmVyIHRvIHN0b3JlIHRoZSBsaW5rIGNhcGFiaWxpdGllcyBpbgorICoK KyAqIFJldHVybnM6CisgKiBUaGUgbnVtYmVyIG9mIGJ5dGVzIHRyYW5zZmVycmVkIG9uIHN1Y2Nl c3Mgb3IgYSBuZWdhdGl2ZSBlcnJvciBjb2RlIG9uCisgKiBmYWlsdXJlLgorICovCitpbnQgZHJt X2RwX2RwY2RfcmVhZF9saW5rX2NhcHMoc3RydWN0IGRybV9kcF9hdXggKmF1eCwKKwkJCSAgICAg ICB1OCBjYXBzW0RQX1JFQ0VJVkVSX0NBUF9TSVpFXSkKK3sKKwlyZXR1cm4gZHJtX2RwX2RwY2Rf cmVhZChhdXgsIERQX0RQQ0RfUkVWLCBjYXBzLCBEUF9SRUNFSVZFUl9DQVBfU0laRSk7Cit9CitF WFBPUlRfU1lNQk9MKGRybV9kcF9kcGNkX3JlYWRfbGlua19jYXBzKTsKKwogLyoqCiAgKiBkcm1f ZHBfZHBjZF9yZWFkX2xpbmtfc3RhdHVzKCkgLSByZWFkIERQQ0QgbGluayBzdGF0dXMgKGJ5dGVz IDB4MjAyLTB4MjA3KQogICogQGF1eDogRGlzcGxheVBvcnQgQVVYIGNoYW5uZWwKQEAgLTM3Niwy MSArMzkyLDIwIEBAIHN0YXRpYyB2b2lkIGRybV9kcF9saW5rX3Jlc2V0KHN0cnVjdCBkcm1fZHBf bGluayAqbGluaykKICAqLwogaW50IGRybV9kcF9saW5rX3Byb2JlKHN0cnVjdCBkcm1fZHBfYXV4 ICphdXgsIHN0cnVjdCBkcm1fZHBfbGluayAqbGluaykKIHsKLQl1OCB2YWx1ZXNbM107CisJdTgg dmFsdWVzW0RQX1JFQ0VJVkVSX0NBUF9TSVpFXTsKIAlpbnQgZXJyOwogCiAJZHJtX2RwX2xpbmtf cmVzZXQobGluayk7CiAKLQllcnIgPSBkcm1fZHBfZHBjZF9yZWFkKGF1eCwgRFBfRFBDRF9SRVYs IHZhbHVlcywgc2l6ZW9mKHZhbHVlcykpOworCWVyciA9IGRybV9kcF9kcGNkX3JlYWRfbGlua19j YXBzKGF1eCwgdmFsdWVzKTsKIAlpZiAoZXJyIDwgMCkKIAkJcmV0dXJuIGVycjsKIAotCWxpbmst PnJldmlzaW9uID0gdmFsdWVzWzBdOwotCWxpbmstPm1heF9yYXRlID0gZHJtX2RwX2J3X2NvZGVf dG9fbGlua19yYXRlKHZhbHVlc1sxXSk7Ci0JbGluay0+bWF4X2xhbmVzID0gdmFsdWVzWzJdICYg RFBfTUFYX0xBTkVfQ09VTlRfTUFTSzsKKwlsaW5rLT5yZXZpc2lvbiA9IHZhbHVlc1tEUF9EUENE X1JFVl07CisJbGluay0+bWF4X3JhdGUgPSBkcm1fZHBfbWF4X2xpbmtfcmF0ZSh2YWx1ZXMpOwor CWxpbmstPm1heF9sYW5lcyA9IGRybV9kcF9tYXhfbGFuZV9jb3VudCh2YWx1ZXMpOwogCi0JaWYg KHZhbHVlc1syXSAmIERQX0VOSEFOQ0VEX0ZSQU1FX0NBUCkKLQkJbGluay0+Y2Fwcy5lbmhhbmNl ZF9mcmFtaW5nID0gdHJ1ZTsKKwlsaW5rLT5jYXBzLmVuaGFuY2VkX2ZyYW1pbmcgPSBkcm1fZHBf ZW5oYW5jZWRfZnJhbWVfY2FwKHZhbHVlcyk7CiAKIAlsaW5rLT5yYXRlID0gbGluay0+bWF4X3Jh dGU7CiAJbGluay0+bGFuZXMgPSBsaW5rLT5tYXhfbGFuZXM7CmRpZmYgLS1naXQgYS9pbmNsdWRl L2RybS9kcm1fZHBfaGVscGVyLmggYi9pbmNsdWRlL2RybS9kcm1fZHBfaGVscGVyLmgKaW5kZXgg Mjc1OWY4ZDdlOTBkLi42MGJiMDMwYzg1OGQgMTAwNjQ0Ci0tLSBhL2luY2x1ZGUvZHJtL2RybV9k cF9oZWxwZXIuaAorKysgYi9pbmNsdWRlL2RybS9kcm1fZHBfaGVscGVyLmgKQEAgLTEzNTAsNiAr MTM1MCw4IEBAIHN0YXRpYyBpbmxpbmUgc3NpemVfdCBkcm1fZHBfZHBjZF93cml0ZWIoc3RydWN0 IGRybV9kcF9hdXggKmF1eCwKIAlyZXR1cm4gZHJtX2RwX2RwY2Rfd3JpdGUoYXV4LCBvZmZzZXQs ICZ2YWx1ZSwgMSk7CiB9CiAKK2ludCBkcm1fZHBfZHBjZF9yZWFkX2xpbmtfY2FwcyhzdHJ1Y3Qg ZHJtX2RwX2F1eCAqYXV4LAorCQkJICAgICAgIHU4IGNhcHNbRFBfUkVDRUlWRVJfQ0FQX1NJWkVd KTsKIGludCBkcm1fZHBfZHBjZF9yZWFkX2xpbmtfc3RhdHVzKHN0cnVjdCBkcm1fZHBfYXV4ICph dXgsCiAJCQkJIHU4IHN0YXR1c1tEUF9MSU5LX1NUQVRVU19TSVpFXSk7CiAKLS0gCjIuMjIuMAoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs