From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH v2 3/3] drm/edid: Implement SCDC Read Request capability detection Date: Fri, 2 Dec 2016 20:24:15 +0100 Message-ID: <20161202192415.16110-3-thierry.reding@gmail.com> References: <20161202192415.16110-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-pg0-x243.google.com (mail-pg0-x243.google.com [IPv6:2607:f8b0:400e:c05::243]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3C7B16E9E5 for ; Fri, 2 Dec 2016 19:24:27 +0000 (UTC) Received: by mail-pg0-x243.google.com with SMTP id e9so8666327pgc.1 for ; Fri, 02 Dec 2016 11:24:27 -0800 (PST) In-Reply-To: <20161202192415.16110-1-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 Cc: Jose Abreu List-Id: dri-devel@lists.freedesktop.org RnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KClNpbmtzIHRoYXQgc3Vw cG9ydCBTQ0RDIGNhbiBvcHRpb25hbGx5IGhhdmUgdGhlIGNhcGFiaWxpdHkgdG8gaW5pdGlhdGUK cmVhZCByZXF1ZXN0cywgd2hpY2ggYXJlIGEgbWVjaGFuaXNtIGJ5IHdoaWNoIGEgc2luayBjYW4g bm90aWZ5IGl0cwpzb3VyY2UgdGhhdCBpdCBzaG91bGQgcmVhZCB0aGUgVXBkYXRlIEZsYWdzLiBJ ZiBlaXRoZXIgdGhlIHNpbmsgb3IgdGhlCnNvdXJjZSBhcmUgbm90IFJlYWQgUmVxdWVzdCBjYXBh YmxlLCBwb2xsaW5nIG9mIHRoZSBVcGRhdGUgRmxhZ3Mgc2hhbGwKYmUgZW1wbG95ZWQuCgpTaWdu ZWQtb2ZmLWJ5OiBUaGllcnJ5IFJlZGluZyA8dHJlZGluZ0BudmlkaWEuY29tPgotLS0KQ2hhbmdl cyBpbiB2MjoKLSBuZXcgcGF0Y2gKCiBkcml2ZXJzL2dwdS9kcm0vZHJtX2VkaWQuYyB8IDM2ICsr KysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwogaW5jbHVkZS9kcm0vZHJtX2VkaWQu aCAgICAgfCAgMSArCiAyIGZpbGVzIGNoYW5nZWQsIDM3IGluc2VydGlvbnMoKykKCmRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2VkaWQuYyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZWRp ZC5jCmluZGV4IDM2OTk2MTU5N2VlNS4uODIxMWNjZTNlMDllIDEwMDY0NAotLS0gYS9kcml2ZXJz L2dwdS9kcm0vZHJtX2VkaWQuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2VkaWQuYwpAQCAt MzczNiw2ICszNzM2LDQyIEBAIGJvb2wgZHJtX2RldGVjdF9oZG1pX3NjZGMoc3RydWN0IGVkaWQg KmVkaWQpCiBFWFBPUlRfU1lNQk9MKGRybV9kZXRlY3RfaGRtaV9zY2RjKTsKIAogLyoqCisgKiBk cm1fZGV0ZWN0X2hkbWlfc2NkY19ycl9jYXBhYmxlIC0gZGV0ZWN0IHdoZXRoZXIgYW4gSERNSSBz aW5rIGlzIGNhcGFibGUgb2YKKyAqICAgIGluaXRpYXRpbmcgYW4gU0NEQyBSZWFkIFJlcXVlc3QK KyAqIEBlZGlkOiBzaW5rIEVESUQgaW5mb3JtYXRpb24KKyAqCisgKiBQYXJzZSB0aGUgQ0VBIGV4 dGVuc2lvbiBhY2NvcmRpbmcgdG8gQ0VBLTg2MS1CIHRvIGZpbmQgYW4gSEYtVlNEQiBhcworICog ZGVmaW5lZCBpbiBIRE1JIDIuMCwgc2VjdGlvbiAxMC4zLjIgIkhETUkgRm9ydW0gVmVuZG9yIFNw ZWNpZmljIERhdGEKKyAqIEJsb2NrIiBhbmQgY2hlY2tzIGlmIHRoZSBSUl9DYXBhYmxlIGJpdCAo Yml0IDYgb2YgYnl0ZSA2KSBpcyBzZXQuCisgKgorICogUmV0dXJuczoKKyAqIFRydWUgaWYgdGhl IHNpbmsgaXMgY2FwYWJsZSBvZiBpbml0aWF0aW5nIGFuIFNDREMgUmVhZCBSZXF1ZXN0LCBmYWxz ZQorICogb3RoZXJ3aXNlLgorICovCitib29sIGRybV9kZXRlY3RfaGRtaV9zY2RjX3JyX2NhcGFi bGUoc3RydWN0IGVkaWQgKmVkaWQpCit7CisJdW5zaWduZWQgaW50IHN0YXJ0LCBlbmQsIGk7CisJ Y29uc3QgdTggKmNlYTsKKworCWNlYSA9IGRybV9maW5kX2NlYV9leHRlbnNpb24oZWRpZCk7CisJ aWYgKCFjZWEpCisJCXJldHVybiBmYWxzZTsKKworCWlmIChjZWFfZGJfb2Zmc2V0cyhjZWEsICZz dGFydCwgJmVuZCkpCisJCXJldHVybiBmYWxzZTsKKworCWZvcl9lYWNoX2NlYV9kYihjZWEsIGks IHN0YXJ0LCBlbmQpIHsKKwkJaWYgKGNlYV9kYl9pc19oZG1pX2ZvcnVtX3ZzZGIoJmNlYVtpXSkp IHsKKwkJCWlmIChjZWFbaSArIDZdICYgMHg0MCkKKwkJCQlyZXR1cm4gdHJ1ZTsKKwkJfQorCX0K KworCXJldHVybiBmYWxzZTsKK30KK0VYUE9SVF9TWU1CT0woZHJtX2RldGVjdF9oZG1pX3NjZGNf cnJfY2FwYWJsZSk7CisKKy8qKgogICogZHJtX2RldGVjdF9tb25pdG9yX2F1ZGlvIC0gY2hlY2sg bW9uaXRvciBhdWRpbyBjYXBhYmlsaXR5CiAgKiBAZWRpZDogRURJRCBibG9jayB0byBzY2FuCiAg KgpkaWZmIC0tZ2l0IGEvaW5jbHVkZS9kcm0vZHJtX2VkaWQuaCBiL2luY2x1ZGUvZHJtL2RybV9l ZGlkLmgKaW5kZXggN2VhN2U5MDg0NmQ4Li5kMWMyOTU4NjAzNWUgMTAwNjQ0Ci0tLSBhL2luY2x1 ZGUvZHJtL2RybV9lZGlkLmgKKysrIGIvaW5jbHVkZS9kcm0vZHJtX2VkaWQuaApAQCAtNDQxLDYg KzQ0MSw3IEBAIHU4IGRybV9tYXRjaF9jZWFfbW9kZShjb25zdCBzdHJ1Y3QgZHJtX2Rpc3BsYXlf bW9kZSAqdG9fbWF0Y2gpOwogZW51bSBoZG1pX3BpY3R1cmVfYXNwZWN0IGRybV9nZXRfY2VhX2Fz cGVjdF9yYXRpbyhjb25zdCB1OCB2aWRlb19jb2RlKTsKIGJvb2wgZHJtX2RldGVjdF9oZG1pX21v bml0b3Ioc3RydWN0IGVkaWQgKmVkaWQpOwogYm9vbCBkcm1fZGV0ZWN0X2hkbWlfc2NkYyhzdHJ1 Y3QgZWRpZCAqZWRpZCk7Citib29sIGRybV9kZXRlY3RfaGRtaV9zY2RjX3JyX2NhcGFibGUoc3Ry dWN0IGVkaWQgKmVkaWQpOwogYm9vbCBkcm1fZGV0ZWN0X21vbml0b3JfYXVkaW8oc3RydWN0IGVk aWQgKmVkaWQpOwogYm9vbCBkcm1fcmdiX3F1YW50X3JhbmdlX3NlbGVjdGFibGUoc3RydWN0IGVk aWQgKmVkaWQpOwogaW50IGRybV9hZGRfbW9kZXNfbm9lZGlkKHN0cnVjdCBkcm1fY29ubmVjdG9y ICpjb25uZWN0b3IsCi0tIAoyLjEwLjIKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2RyaS1kZXZlbAo=