From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Y.C. Chen" Subject: [PATCH] drm/ast: Fixed system may hang in booting Date: Wed, 30 Nov 2016 15:13:01 +0800 Message-ID: <1480489981-15802-1-git-send-email-yc_chen@aspeedtech.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from msr18.hinet.net (msr18.hinet.net [168.95.4.118]) by gabe.freedesktop.org (Postfix) with ESMTP id B6B6F6E242 for ; Wed, 30 Nov 2016 09:43:09 +0000 (UTC) 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, airlied@gmail.com List-Id: dri-devel@lists.freedesktop.org RnJvbTogIlkuQy4gQ2hlbiIgPHljX2NoZW5AYXNwZWVkdGVjaC5jb20+CgpUaGVyZSBpcyBhbm90 aGVyIHRocmVhZCBzdGlsbCBhY2Nlc3Mgc3RhbmRhcmQgVkdBIEkvTyB3aGlsZSBsb2FkaW5nIGRy bSBkcml2ZXIuCkRpc2FibGUgc3RhbmRhcmQgVkdBIGFjY2VzcyB0byBhdm9pZCB0aGlzIGlzc3Vl LgoKU2lnbmVkLW9mZi1ieTogWS5DLiBDaGVuIDx5Y19jaGVuQGFzcGVlZHRlY2guY29tPgotLS0K IGRyaXZlcnMvZ3B1L2RybS9hc3QvYXN0X21haW4uYyB8IDYgKysrKysrCiBkcml2ZXJzL2dwdS9k cm0vYXN0L2FzdF9wb3N0LmMgfCA2ICstLS0tLQogMiBmaWxlcyBjaGFuZ2VkLCA3IGluc2VydGlv bnMoKyksIDUgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2FzdC9h c3RfbWFpbi5jIGIvZHJpdmVycy9ncHUvZHJtL2FzdC9hc3RfbWFpbi5jCmluZGV4IDkwNGJlYWEu LjA1ZWEzZTMgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hc3QvYXN0X21haW4uYworKysg Yi9kcml2ZXJzL2dwdS9kcm0vYXN0L2FzdF9tYWluLmMKQEAgLTEyNCw2ICsxMjQsOSBAQCBzdGF0 aWMgaW50IGFzdF9kZXRlY3RfY2hpcChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCBib29sICpuZWVk X3Bvc3QpCiAJfSBlbHNlCiAJCSpuZWVkX3Bvc3QgPSBmYWxzZTsKIAorICAgICAgICAvKiBkaXNh YmxlIHN0YW5kYXJkIFZHQSBkZWNvZGUgKi8KKwlhc3Rfc2V0X2luZGV4X3JlZyhhc3QsIEFTVF9J T19DUlRDX1BPUlQsIDB4YTEsIDB4MDYpOworCiAJLyogQ2hlY2sgaWYgd2Ugc3VwcG9ydCB3aWRl IHNjcmVlbiAqLwogCXN3aXRjaCAoYXN0LT5jaGlwKSB7CiAJY2FzZSBBU1QxMTgwOgpAQCAtNDgw LDYgKzQ4Myw5IEBAIGludCBhc3RfZHJpdmVyX3VubG9hZChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2 KQogewogCXN0cnVjdCBhc3RfcHJpdmF0ZSAqYXN0ID0gZGV2LT5kZXZfcHJpdmF0ZTsKIAorICAg ICAgICAvKiBlbmFibGUgc3RhbmRhcmQgVkdBIGRlY29kZSAqLworCWFzdF9zZXRfaW5kZXhfcmVn KGFzdCwgQVNUX0lPX0NSVENfUE9SVCwgMHhhMSwgMHgwNCk7CisKIAlrZnJlZShhc3QtPmRwNTAx X2Z3X2FkZHIpOwogCWFzdF9tb2RlX2ZpbmkoZGV2KTsKIAlhc3RfZmJkZXZfZmluaShkZXYpOwpk aWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2FzdC9hc3RfcG9zdC5jIGIvZHJpdmVycy9ncHUv ZHJtL2FzdC9hc3RfcG9zdC5jCmluZGV4IDgxMGM1MWQuLmE3MWFiZDIgMTAwNjQ0Ci0tLSBhL2Ry aXZlcnMvZ3B1L2RybS9hc3QvYXN0X3Bvc3QuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vYXN0L2Fz dF9wb3N0LmMKQEAgLTU4LDExICs1OCw3IEBAIGJvb2wgYXN0X2lzX3ZnYV9lbmFibGVkKHN0cnVj dCBkcm1fZGV2aWNlICpkZXYpCiAJCS8qIFRPRE8gMTE4MCAqLwogCX0gZWxzZSB7CiAJCWNoID0g YXN0X2lvX3JlYWQ4KGFzdCwgQVNUX0lPX1ZHQV9FTkFCTEVfUE9SVCk7Ci0JCWlmIChjaCkgewot CQkJYXN0X29wZW5fa2V5KGFzdCk7Ci0JCQljaCA9IGFzdF9nZXRfaW5kZXhfcmVnX21hc2soYXN0 LCBBU1RfSU9fQ1JUQ19QT1JULCAweGI2LCAweGZmKTsKLQkJCXJldHVybiBjaCAmIDB4MDQ7Ci0J CX0KKyAgICAgICAgICAgICAgICByZXR1cm4gY2ggJiAweDAxOwogCX0KIAlyZXR1cm4gMDsKIH0K LS0gCjEuOC4zLjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZl bAo=