From mboxrd@z Thu Jan 1 00:00:00 1970 From: Harry Wentland Subject: [PATCH 17/25] drm/amd/display: refactor clk_resync to avoid assertion Date: Mon, 23 Jan 2017 09:36:05 -0500 Message-ID: <20170123143613.15441-18-harry.wentland@amd.com> References: <20170123143613.15441-1-harry.wentland@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170123143613.15441-1-harry.wentland-5C7GfCeVMHo@public.gmane.org> 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: Tony Cheng RnJvbTogVG9ueSBDaGVuZyA8dG9ueS5jaGVuZ0BhbWQuY29tPgoKLSBub3QgYWxsIERDRSBoYXMg UEhZUExMQV9QSVhDTEtfRE9VQkxFX1JBVEVfRU5BQkxFIGJpdCBkZWZpbmVkLgoKQ2hhbmdlLUlk OiBJNGJmMjVkZWIxMzQ2MzdjNzEzYWM1ZWUxZWFjNzg2YmFmZGM5ZWI0YQpTaWduZWQtb2ZmLWJ5 OiBUb255IENoZW5nIDx0b255LmNoZW5nQGFtZC5jb20+CkFja2VkLWJ5OiBIYXJyeSBXZW50bGFu ZCA8SGFycnkuV2VudGxhbmRAYW1kLmNvbT4KUmV2aWV3ZWQtYnk6IFlvbmdxaWFuZyBTdW4gPHlv bmdxaWFuZy5zdW5AYW1kLmNvbT4KLS0tCiAuLi4vZ3B1L2RybS9hbWQvZGlzcGxheS9kYy9kY2Uv ZGNlX2Nsb2NrX3NvdXJjZS5jICB8IDU3ICsrKysrKysrKysrKy0tLS0tLS0tLS0KIDEgZmlsZSBj aGFuZ2VkLCAzMCBpbnNlcnRpb25zKCspLCAyNyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vYW1kL2Rpc3BsYXkvZGMvZGNlL2RjZV9jbG9ja19zb3VyY2UuYyBiL2Ry aXZlcnMvZ3B1L2RybS9hbWQvZGlzcGxheS9kYy9kY2UvZGNlX2Nsb2NrX3NvdXJjZS5jCmluZGV4 IGEzODE3MmJkY2I1ZS4uNzhmNDMyNzRhMDNhIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0v YW1kL2Rpc3BsYXkvZGMvZGNlL2RjZV9jbG9ja19zb3VyY2UuYworKysgYi9kcml2ZXJzL2dwdS9k cm0vYW1kL2Rpc3BsYXkvZGMvZGNlL2RjZV9jbG9ja19zb3VyY2UuYwpAQCAtNzY3LDQxICs3Njcs NDQgQEAgc3RhdGljIHZvaWQgZGNlMTEyX3Byb2dyYW1fcGl4ZWxfY2xrX3Jlc3luYygKIAkJZW51 bSBkY19jb2xvcl9kZXB0aCBjb2xvcmRlcHRoLAogCQlib29sIGVuYWJsZV95Y2JjcjQyMCkKIHsK LQlSRUdfVVBEQVRFKFBJWENMS19SRVNZTkNfQ05UTCwKLQkJCVBIWVBMTEFfRENDR19ERUVQX0NP TE9SX0NOVEwsIDApOworCXVpbnQzMl90IGRlZXBfY29sb3JfY250bCA9IDA7CisJdWludDMyX3Qg ZG91YmxlX3JhdGVfZW5hYmxlID0gMDsKKwogCS8qCiAJIDI0IGJpdCBtb2RlOiBUTURTIGNsb2Nr ID0gMS4wIHggcGl4ZWwgY2xvY2sgICgxOjEpCiAJIDMwIGJpdCBtb2RlOiBUTURTIGNsb2NrID0g MS4yNSB4IHBpeGVsIGNsb2NrICg1OjQpCiAJIDM2IGJpdCBtb2RlOiBUTURTIGNsb2NrID0gMS41 IHggcGl4ZWwgY2xvY2sgICgzOjIpCiAJIDQ4IGJpdCBtb2RlOiBUTURTIGNsb2NrID0gMiB4IHBp eGVsIGNsb2NrICAgICgyOjEpCiAJICovCi0JaWYgKHNpZ25hbF90eXBlICE9IFNJR05BTF9UWVBF X0hETUlfVFlQRV9BKQotCQlyZXR1cm47CisJaWYgKHNpZ25hbF90eXBlID09IFNJR05BTF9UWVBF X0hETUlfVFlQRV9BKSB7CisJCWRvdWJsZV9yYXRlX2VuYWJsZSA9IGVuYWJsZV95Y2JjcjQyMCA/ IDEgOiAwOwogCi0Jc3dpdGNoIChjb2xvcmRlcHRoKSB7Ci0JY2FzZSBDT0xPUl9ERVBUSF84ODg6 Ci0JCVJFR19VUERBVEVfMihQSVhDTEtfUkVTWU5DX0NOVEwsCi0JCQkJUEhZUExMQV9EQ0NHX0RF RVBfQ09MT1JfQ05UTCwgMCwKLQkJCQlQSFlQTExBX1BJWENMS19ET1VCTEVfUkFURV9FTkFCTEUs IGVuYWJsZV95Y2JjcjQyMCk7Ci0JCWJyZWFrOwotCWNhc2UgQ09MT1JfREVQVEhfMTAxMDEwOgot CQlSRUdfVVBEQVRFXzIoUElYQ0xLX1JFU1lOQ19DTlRMLAotCQkJCVBIWVBMTEFfRENDR19ERUVQ X0NPTE9SX0NOVEwsIDEsCi0JCQkJUEhZUExMQV9QSVhDTEtfRE9VQkxFX1JBVEVfRU5BQkxFLCBl bmFibGVfeWNiY3I0MjApOwotCQlicmVhazsKLQljYXNlIENPTE9SX0RFUFRIXzEyMTIxMjoKLQkJ UkVHX1VQREFURV8yKFBJWENMS19SRVNZTkNfQ05UTCwKLQkJCQlQSFlQTExBX0RDQ0dfREVFUF9D T0xPUl9DTlRMLCAyLAotCQkJCVBIWVBMTEFfUElYQ0xLX0RPVUJMRV9SQVRFX0VOQUJMRSwgZW5h YmxlX3ljYmNyNDIwKTsKLQkJYnJlYWs7Ci0JY2FzZSBDT0xPUl9ERVBUSF8xNjE2MTY6Ci0JCVJF R19VUERBVEVfMihQSVhDTEtfUkVTWU5DX0NOVEwsCi0JCQkJUEhZUExMQV9EQ0NHX0RFRVBfQ09M T1JfQ05UTCwgMywKLQkJCQlQSFlQTExBX1BJWENMS19ET1VCTEVfUkFURV9FTkFCTEUsIGVuYWJs ZV95Y2JjcjQyMCk7Ci0JCWJyZWFrOwotCWRlZmF1bHQ6Ci0JCWJyZWFrOworCQlzd2l0Y2ggKGNv bG9yZGVwdGgpIHsKKwkJY2FzZSBDT0xPUl9ERVBUSF84ODg6CisJCQlkZWVwX2NvbG9yX2NudGwg PSAwOworCQkJYnJlYWs7CisJCWNhc2UgQ09MT1JfREVQVEhfMTAxMDEwOgorCQkJZGVlcF9jb2xv cl9jbnRsID0gMTsKKwkJCWJyZWFrOworCQljYXNlIENPTE9SX0RFUFRIXzEyMTIxMjoKKwkJCWRl ZXBfY29sb3JfY250bCA9IDI7CisJCQlicmVhazsKKwkJY2FzZSBDT0xPUl9ERVBUSF8xNjE2MTY6 CisJCQlkZWVwX2NvbG9yX2NudGwgPSAzOworCQkJYnJlYWs7CisJCWRlZmF1bHQ6CisJCQlicmVh azsKKwkJfQogCX0KKworCWlmIChjbGtfc3JjLT5jc19tYXNrLT5QSFlQTExBX1BJWENMS19ET1VC TEVfUkFURV9FTkFCTEUpCisJCVJFR19VUERBVEVfMihQSVhDTEtfUkVTWU5DX0NOVEwsCisJCQkJ UEhZUExMQV9EQ0NHX0RFRVBfQ09MT1JfQ05UTCwgZGVlcF9jb2xvcl9jbnRsLAorCQkJCVBIWVBM TEFfUElYQ0xLX0RPVUJMRV9SQVRFX0VOQUJMRSwgZG91YmxlX3JhdGVfZW5hYmxlKTsKKwllbHNl CisJCVJFR19VUERBVEUoUElYQ0xLX1JFU1lOQ19DTlRMLAorCQkJCVBIWVBMTEFfRENDR19ERUVQ X0NPTE9SX0NOVEwsIGRlZXBfY29sb3JfY250bCk7CisKIH0KIAogc3RhdGljIGJvb2wgZGNlMTEw X3Byb2dyYW1fcGl4X2NsaygKLS0gCjIuOS4zCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2FtZC1nZngK