From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: [PATCH RESEND] drm/dp/mst: fix kernel oops when turning off secondary monitor Date: Tue, 14 Feb 2017 14:49:21 +0200 Message-ID: <1487076561-2169-1-git-send-email-jani.nikula@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: dri-devel@lists.freedesktop.org Cc: jani.nikula@intel.com, intel-gfx@lists.freedesktop.org, stable@vger.kernel.org, Dhinakaran Pandiyan , Dave Airlie List-Id: dri-devel@lists.freedesktop.org RnJvbTogUGllcnJlLUxvdWlzIEJvc3NhcnQgPHBpZXJyZS1sb3Vpcy5ib3NzYXJ0QGxpbnV4Lmlu dGVsLmNvbT4KCjEwMCUgcmVwcm9kdWNpYmxlIGlzc3VlIGZvdW5kIG9uIFNLTCBTa3VsbENhbnlv biBOVUMgd2l0aCB0d28gZXh0ZXJuYWwKRFAgZGFpc3ktY2hhaW5lZCBtb25pdG9ycyBpbiBEUC9N U1QgbW9kZS4gV2hlbiB0dXJuaW5nIG9mZiBvciBjaGFuZ2luZwp0aGUgaW5wdXQgb2YgdGhlIHNl Y29uZCBtb25pdG9yIHRoZSBtYWNoaW5lIHN0b3BzIHdpdGggYSBrZXJuZWwKb29wcy4gVGhpcyBp c3N1ZSBoYXBwZW5lZCB3aXRoIDQuOC44IGFzIHdlbGwgYXMgZHJtL2RybS1pbnRlbC1uaWdodGx5 LgoKVGhpcyBpc3N1ZSBpcyB0cmFjZWQgdG8gYW4gaW5jb25zaXN0ZW50IGNvbnRyb2wgZmxvdyBp bgpkcm1fZHBfdXBkYXRlX3BheWxvYWRfcGFydDEoKTogdGhlICdwb3J0JyBwb2ludGVyIGlzIHNl dCB0byBOVUxMIGF0IHRoZQpzYW1lIHRpbWUgYXMgJ3JlcV9wYXlsb2FkLm51bV9zbG90cycgaXMg c2V0IHRvIHplcm8sIGJ1dCB0aGUgcG9pbnRlciBpcwpkZXJlZmVyZW5jZWQgZXZlbiB3aGVuIHJl cV9wYXlsb2FkLm51bV9zbG90IGlzIHplcm8uCgpUaGUgcHJvYmxlbWF0aWMgZGVyZWZlcmVuY2Ug d2FzIGludHJvZHVjZWQgaW4gY29tbWl0IGRmZGEwZGYzNAooImRybS9tc3Q6IHJld29yayBwYXls b2FkIHRhYmxlIGFsbG9jYXRpb24gdG8gY29uZm9ybSBiZXR0ZXIiKSBhbmQgbWF5CmltcGFjdCBh bGwgdmVyc2lvbnMgc2luY2UgdjMuMTgKClRoZSBmaXggc3VnZ2VzdGVkIGJ5IENocmlzIFdpbHNv biByZW1vdmVzIHRoZSBrZXJuZWwgb29wcyBhbmQgd2FzIGZvdW5kIHRvCndvcmsgd2VsbCBhZnRl ciAxMG1uIG9mIG1vbmtleS10ZXN0aW5nIHdpdGggdGhlIHNlY29uZCBtb25pdG9yIHBvd2VyIGFu ZAppbnB1dCBidXR0b25zCgpCdWd6aWxsYTogaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9z aG93X2J1Zy5jZ2k/aWQ9OTg5OTAKRml4ZXM6IGRmZGEwZGYzNDI2NCAoImRybS9tc3Q6IHJld29y ayBwYXlsb2FkIHRhYmxlIGFsbG9jYXRpb24gdG8gY29uZm9ybSBiZXR0ZXIuIikKQ2M6IERhdmUg QWlybGllIDxhaXJsaWVkQHJlZGhhdC5jb20+CkNjOiBDaHJpcyBXaWxzb24gPGNocmlzQGNocmlz LXdpbHNvbi5jby51az4KQ2M6IE5hdGhhbiBEIENpb2JhbnUgPG5hdGhhbi5kLmNpb2JhbnVAbGlu dXguaW50ZWwuY29tPgpDYzogRGhpbmFrYXJhbiBQYW5kaXlhbiA8ZGhpbmFrYXJhbi5wYW5kaXlh bkBpbnRlbC5jb20+CkNjOiBTZWFuIFBhdWwgPHNlYW5wYXVsQGNocm9taXVtLm9yZz4KQ2M6IDxz dGFibGVAdmdlci5rZXJuZWwub3JnPiAjIHYzLjE4KwpUZXN0ZWQtYnk6IE5hdGhhbiBEIENpb2Jh bnUgPG5hdGhhbi5kLmNpb2JhbnVAbGludXguaW50ZWwuY29tPgpSZXZpZXdlZC1ieTogRGhpbmFr YXJhbiBQYW5kaXlhbiA8ZGhpbmFrYXJhbi5wYW5kaXlhbkBpbnRlbC5jb20+ClNpZ25lZC1vZmYt Ynk6IFBpZXJyZS1Mb3VpcyBCb3NzYXJ0IDxwaWVycmUtbG91aXMuYm9zc2FydEBsaW51eC5pbnRl bC5jb20+ClNpZ25lZC1vZmYtYnk6IEphbmkgTmlrdWxhIDxqYW5pLm5pa3VsYUBpbnRlbC5jb20+ Ci0tLQogZHJpdmVycy9ncHUvZHJtL2RybV9kcF9tc3RfdG9wb2xvZ3kuYyB8IDIgKy0KIDEgZmls ZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBhL2Ry aXZlcnMvZ3B1L2RybS9kcm1fZHBfbXN0X3RvcG9sb2d5LmMgYi9kcml2ZXJzL2dwdS9kcm0vZHJt X2RwX21zdF90b3BvbG9neS5jCmluZGV4IDEyMmExYjA0YmViYy4uZjJjYzM3NTkwN2QwIDEwMDY0 NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX21zdF90b3BvbG9neS5jCisrKyBiL2RyaXZl cnMvZ3B1L2RybS9kcm1fZHBfbXN0X3RvcG9sb2d5LmMKQEAgLTE4MTcsNyArMTgxNyw3IEBAIGlu dCBkcm1fZHBfdXBkYXRlX3BheWxvYWRfcGFydDEoc3RydWN0IGRybV9kcF9tc3RfdG9wb2xvZ3lf bWdyICptZ3IpCiAJCQkJbWdyLT5wYXlsb2Fkc1tpXS52Y3BpID0gcmVxX3BheWxvYWQudmNwaTsK IAkJCX0gZWxzZSBpZiAobWdyLT5wYXlsb2Fkc1tpXS5udW1fc2xvdHMpIHsKIAkJCQltZ3ItPnBh eWxvYWRzW2ldLm51bV9zbG90cyA9IDA7Ci0JCQkJZHJtX2RwX2Rlc3Ryb3lfcGF5bG9hZF9zdGVw MShtZ3IsIHBvcnQsIHBvcnQtPnZjcGkudmNwaSwgJm1nci0+cGF5bG9hZHNbaV0pOworCQkJCWRy bV9kcF9kZXN0cm95X3BheWxvYWRfc3RlcDEobWdyLCBwb3J0LCBtZ3ItPnBheWxvYWRzW2ldLnZj cGksICZtZ3ItPnBheWxvYWRzW2ldKTsKIAkJCQlyZXFfcGF5bG9hZC5wYXlsb2FkX3N0YXRlID0g bWdyLT5wYXlsb2Fkc1tpXS5wYXlsb2FkX3N0YXRlOwogCQkJCW1nci0+cGF5bG9hZHNbaV0uc3Rh cnRfc2xvdCA9IDA7CiAJCQl9Ci0tIAoyLjEuNAoKX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlz dHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4v bGlzdGluZm8vaW50ZWwtZ2Z4Cg==