From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: [bug report] drm/ttm: TTM fault handler helpers Date: Thu, 27 Jun 2019 10:51:38 +0300 Message-ID: <20190627075138.GA25231@mwanda> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from userp2120.oracle.com (userp2120.oracle.com [156.151.31.85]) by gabe.freedesktop.org (Postfix) with ESMTPS id 68FD06E418 for ; Thu, 27 Jun 2019 07:51:48 +0000 (UTC) Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: thellstrom@vmware.com Cc: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org SGVsbG8gVGhvbWFzIEhlbGxzdHJvbSwKClRoaXMgaXMgYSBzZW1pLWF1dG9tYXRpYyBlbWFpbCBh Ym91dCBuZXcgc3RhdGljIGNoZWNrZXIgd2FybmluZ3MuCgpUaGUgcGF0Y2ggN2EzOWYzNWNlNDNm OiAiZHJtL3R0bTogVFRNIGZhdWx0IGhhbmRsZXIgaGVscGVycyIgZnJvbSBGZWIgCjYsIDIwMTks IGxlYWRzIHRvIHRoZSBmb2xsb3dpbmcgU21hdGNoIGNvbXBsYWludDoKCiAgICBkcml2ZXJzL2dw dS9kcm0vdHRtL3R0bV9ib192bS5jOjI2NiB0dG1fYm9fdm1fZmF1bHRfcmVzZXJ2ZWQoKQogICAg ZXJyb3I6IHdlIHByZXZpb3VzbHkgYXNzdW1lZCAnYm8tPnR0bScgY291bGQgYmUgbnVsbCAoc2Vl IGxpbmUgMjA0KQoKZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm9fdm0uYwogICAyMDMJCSAqLwog ICAyMDQJCWlmIChiby0+dHRtICYmIChiby0+dHRtLT5wYWdlX2ZsYWdzICYgVFRNX1BBR0VfRkxB R19TRykpCiAgICAgICAgICAgICAgICAgICAgXl5eXl5eXgpDaGVjayBmb3IgTlVMTC4KCiAgIDIw NQkJCXJldHVybiBWTV9GQVVMVF9TSUdCVVM7CiAgIDIwNgkKICAgMjA3CQlpZiAoYmRldi0+ZHJp dmVyLT5mYXVsdF9yZXNlcnZlX25vdGlmeSkgewogICAyMDgJCQlzdHJ1Y3QgZG1hX2ZlbmNlICpt b3ZpbmcgPSBkbWFfZmVuY2VfZ2V0KGJvLT5tb3ZpbmcpOwogICAyMDkJCiAgIDIxMAkJCWVyciA9 IGJkZXYtPmRyaXZlci0+ZmF1bHRfcmVzZXJ2ZV9ub3RpZnkoYm8pOwogICAyMTEJCQlzd2l0Y2gg KGVycikgewogICAyMTIJCQljYXNlIDA6CiAgIDIxMwkJCQlicmVhazsKICAgMjE0CQkJY2FzZSAt RUJVU1k6CiAgIDIxNQkJCWNhc2UgLUVSRVNUQVJUU1lTOgogICAyMTYJCQkJcmV0dXJuIFZNX0ZB VUxUX05PUEFHRTsKICAgMjE3CQkJZGVmYXVsdDoKICAgMjE4CQkJCXJldHVybiBWTV9GQVVMVF9T SUdCVVM7CiAgIDIxOQkJCX0KICAgMjIwCQogICAyMjEJCQlpZiAoYm8tPm1vdmluZyAhPSBtb3Zp bmcpIHsKICAgMjIyCQkJCXNwaW5fbG9jaygmYmRldi0+Z2xvYi0+bHJ1X2xvY2spOwogICAyMjMJ CQkJdHRtX2JvX21vdmVfdG9fbHJ1X3RhaWwoYm8sIE5VTEwpOwogICAyMjQJCQkJc3Bpbl91bmxv Y2soJmJkZXYtPmdsb2ItPmxydV9sb2NrKTsKICAgMjI1CQkJfQogICAyMjYJCQlkbWFfZmVuY2Vf cHV0KG1vdmluZyk7CiAgIDIyNwkJfQogICAyMjgJCiAgIDIyOQkJLyoKICAgMjMwCQkgKiBXYWl0 IGZvciBidWZmZXIgZGF0YSBpbiB0cmFuc2l0LCBkdWUgdG8gYSBwaXBlbGluZWQKICAgMjMxCQkg KiBtb3ZlLgogICAyMzIJCSAqLwogICAyMzMJCXJldCA9IHR0bV9ib192bV9mYXVsdF9pZGxlKGJv LCB2bWYpOwogICAyMzQJCWlmICh1bmxpa2VseShyZXQgIT0gMCkpCiAgIDIzNQkJCXJldHVybiBy ZXQ7CiAgIDIzNgkKICAgMjM3CQllcnIgPSB0dG1fbWVtX2lvX2xvY2sobWFuLCB0cnVlKTsKICAg MjM4CQlpZiAodW5saWtlbHkoZXJyICE9IDApKQogICAyMzkJCQlyZXR1cm4gVk1fRkFVTFRfTk9Q QUdFOwogICAyNDAJCWVyciA9IHR0bV9tZW1faW9fcmVzZXJ2ZV92bShibyk7CiAgIDI0MQkJaWYg KHVubGlrZWx5KGVyciAhPSAwKSkgewogICAyNDIJCQlyZXQgPSBWTV9GQVVMVF9TSUdCVVM7CiAg IDI0MwkJCWdvdG8gb3V0X2lvX3VubG9jazsKICAgMjQ0CQl9CiAgIDI0NQkKICAgMjQ2CQlwYWdl X29mZnNldCA9ICgoYWRkcmVzcyAtIHZtYS0+dm1fc3RhcnQpID4+IFBBR0VfU0hJRlQpICsKICAg MjQ3CQkJdm1hLT52bV9wZ29mZiAtIGRybV92bWFfbm9kZV9zdGFydCgmYm8tPnZtYV9ub2RlKTsK ICAgMjQ4CQlwYWdlX2xhc3QgPSB2bWFfcGFnZXModm1hKSArIHZtYS0+dm1fcGdvZmYgLQogICAy NDkJCQlkcm1fdm1hX25vZGVfc3RhcnQoJmJvLT52bWFfbm9kZSk7CiAgIDI1MAkKICAgMjUxCQlp ZiAodW5saWtlbHkocGFnZV9vZmZzZXQgPj0gYm8tPm51bV9wYWdlcykpIHsKICAgMjUyCQkJcmV0 ID0gVk1fRkFVTFRfU0lHQlVTOwogICAyNTMJCQlnb3RvIG91dF9pb191bmxvY2s7CiAgIDI1NAkJ fQogICAyNTUJCiAgIDI1NgkJY3ZtYS52bV9wYWdlX3Byb3QgPSB0dG1faW9fcHJvdChiby0+bWVt LnBsYWNlbWVudCwgcHJvdCk7CiAgIDI1NwkJaWYgKCFiby0+bWVtLmJ1cy5pc19pb21lbSkgewog ICAyNTgJCQlzdHJ1Y3QgdHRtX29wZXJhdGlvbl9jdHggY3R4ID0gewogICAyNTkJCQkJLmludGVy cnVwdGlibGUgPSBmYWxzZSwKICAgMjYwCQkJCS5ub193YWl0X2dwdSA9IGZhbHNlLAogICAyNjEJ CQkJLmZsYWdzID0gVFRNX09QVF9GTEFHX0ZPUkNFX0FMTE9DCiAgIDI2MgkKICAgMjYzCQkJfTsK ICAgMjY0CQogICAyNjUJCQl0dG0gPSBiby0+dHRtOwogICAyNjYJCQlpZiAodHRtX3R0X3BvcHVs YXRlKGJvLT50dG0sICZjdHgpKSB7CiAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICAgXl5eXl5eXgpVbmNoZWNrZWQgZGVyZWZlcmVuY2UgaW5zaWRlIHR0bV90dF9wb3B1 bGF0ZSgpIGZ1bmN0aW9uLgoKICAgMjY3CQkJCXJldCA9IFZNX0ZBVUxUX09PTTsKICAgMjY4CQkJ CWdvdG8gb3V0X2lvX3VubG9jazsKCnJlZ2FyZHMsCmRhbiBjYXJwZW50ZXIKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlz dApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs