From mboxrd@z Thu Jan 1 00:00:00 1970 From: Emily Deng Subject: [PATCH] drm/amdgpu: Fix the dead lock issue. Date: Tue, 11 Sep 2018 10:51:33 +0800 Message-ID: <1536634293-26099-1-git-send-email-Emily.Deng@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: 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: Emily Deng SXQgd2lsbCByYW1kb21seSBoYXZlIHRoZSBkZWFkIGxvY2sgaXNzdWUgd2hlbiB0ZXN0IFREUjoK MS4gYW1kZ3B1X2RldmljZV9oYW5kbGVfdnJhbV9sb3N0IGdldHMgdGhlIGxvY2sgc2hhZG93X2xp c3RfbG9jawoyLiBhbWRncHVfYm9fY3JlYXRlIGxvY2tlZCB0aGUgYm8ncyByZXN2IGxvY2sKMy4g YW1kZ3B1X2JvX2NyZWF0ZV9zaGFkb3cgaXMgd2FpdGluZyBmb3IgdGhlIHNoYWRvd19saXN0X2xv Y2sKNC4gYW1kZ3B1X2RldmljZV9yZWNvdmVyX3ZyYW1fZnJvbV9zaGFkb3cgaXMgd2FpdGluZyBm b3IgdGhlIGJvJ3MgcmVzdgpsb2NrLgoKdjI6CiAgIE1ha2UgYSBsb2NhbCBjb3B5IG9mIHRoZSBs aXN0CgpTaWduZWQtb2ZmLWJ5OiBFbWlseSBEZW5nIDxFbWlseS5EZW5nQGFtZC5jb20+Ci0tLQog ZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2RldmljZS5jIHwgMjEgKysrKysrKysr KysrKysrKysrKystCiAxIGZpbGUgY2hhbmdlZCwgMjAgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlv bigtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kZXZp Y2UuYyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kZXZpY2UuYwppbmRleCAy YTIxMjY3Li44YzgxNDA0IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9h bWRncHVfZGV2aWNlLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2Rl dmljZS5jCkBAIC0zMTA1LDYgKzMxMDUsOSBAQCBzdGF0aWMgaW50IGFtZGdwdV9kZXZpY2VfaGFu ZGxlX3ZyYW1fbG9zdChzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldikKIAlsb25nIHIgPSAxOwog CWludCBpID0gMDsKIAlsb25nIHRtbzsKKwlzdHJ1Y3QgbGlzdF9oZWFkIGxvY2FsX3NoYWRvd19s aXN0OworCisJSU5JVF9MSVNUX0hFQUQoJmxvY2FsX3NoYWRvd19saXN0KTsKIAogCWlmIChhbWRn cHVfc3Jpb3ZfcnVudGltZShhZGV2KSkKIAkJdG1vID0gbXNlY3NfdG9famlmZmllcyg4MDAwKTsK QEAgLTMxMTIsOCArMzExNSwxOSBAQCBzdGF0aWMgaW50IGFtZGdwdV9kZXZpY2VfaGFuZGxlX3Zy YW1fbG9zdChzdHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldikKIAkJdG1vID0gbXNlY3NfdG9famlm ZmllcygxMDApOwogCiAJRFJNX0lORk8oInJlY292ZXIgdnJhbSBibyBmcm9tIHNoYWRvdyBzdGFy dFxuIik7CisKKwltdXRleF9sb2NrKCZhZGV2LT5zaGFkb3dfbGlzdF9sb2NrKTsKKwlsaXN0X3Nw bGljZV9pbml0KCZhZGV2LT5zaGFkb3dfbGlzdCwgJmxvY2FsX3NoYWRvd19saXN0KTsKKwltdXRl eF91bmxvY2soJmFkZXYtPnNoYWRvd19saXN0X2xvY2spOworCisKIAltdXRleF9sb2NrKCZhZGV2 LT5zaGFkb3dfbGlzdF9sb2NrKTsKLQlsaXN0X2Zvcl9lYWNoX2VudHJ5X3NhZmUoYm8sIHRtcCwg JmFkZXYtPnNoYWRvd19saXN0LCBzaGFkb3dfbGlzdCkgeworCWxpc3RfZm9yX2VhY2hfZW50cnlf c2FmZShibywgdG1wLCAmbG9jYWxfc2hhZG93X2xpc3QsIHNoYWRvd19saXN0KSB7CisJCW11dGV4 X3VubG9jaygmYWRldi0+c2hhZG93X2xpc3RfbG9jayk7CisKKwkJaWYgKCFibykKKwkJCWNvbnRp bnVlOworCiAJCW5leHQgPSBOVUxMOwogCQlhbWRncHVfZGV2aWNlX3JlY292ZXJfdnJhbV9mcm9t X3NoYWRvdyhhZGV2LCByaW5nLCBibywgJm5leHQpOwogCQlpZiAoZmVuY2UpIHsKQEAgLTMxMzIs OSArMzE0NiwxNCBAQCBzdGF0aWMgaW50IGFtZGdwdV9kZXZpY2VfaGFuZGxlX3ZyYW1fbG9zdChz dHJ1Y3QgYW1kZ3B1X2RldmljZSAqYWRldikKIAogCQlkbWFfZmVuY2VfcHV0KGZlbmNlKTsKIAkJ ZmVuY2UgPSBuZXh0OworCQltdXRleF9sb2NrKCZhZGV2LT5zaGFkb3dfbGlzdF9sb2NrKTsKIAl9 CiAJbXV0ZXhfdW5sb2NrKCZhZGV2LT5zaGFkb3dfbGlzdF9sb2NrKTsKIAorCW11dGV4X2xvY2so JmFkZXYtPnNoYWRvd19saXN0X2xvY2spOworCWxpc3Rfc3BsaWNlX2luaXQoJmxvY2FsX3NoYWRv d19saXN0LCAmYWRldi0+c2hhZG93X2xpc3QpOworCW11dGV4X3VubG9jaygmYWRldi0+c2hhZG93 X2xpc3RfbG9jayk7CisKIAlpZiAoZmVuY2UpIHsKIAkJciA9IGRtYV9mZW5jZV93YWl0X3RpbWVv dXQoZmVuY2UsIGZhbHNlLCB0bW8pOwogCQlpZiAociA9PSAwKQotLSAKMi43LjQKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1nZnggbWFpbGluZyBs aXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=