From mboxrd@z Thu Jan 1 00:00:00 1970 From: Evan Quan Subject: [PATCH] drm/amdgpu: treat negative lockup timeout as 'infinite timeout' V2 Date: Tue, 7 May 2019 09:47:15 +0800 Message-ID: <20190507014715.16505-1-evan.quan@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: Evan Quan , Christian.Koenig-5C7GfCeVMHo@public.gmane.org TmVnYXRpdmUgbG9ja3VwIHRpbWVvdXQgaXMgdmFsaWQgYW5kIHdpbGwgYmUgdHJlYXRlZCBhcwon aW5maW5pdGUgdGltZW91dCcuCgotIFYyOiB1c2UgbXNlY3NfdG9famlmZmllcyBmb3IgbmVnYXRp dmUgdmFsdWVzCgpDaGFuZ2UtSWQ6IEkwZDgzODc5NTZhOWM3NDQwNzNjMDI4MWVmMmUxYTU0N2Q0 ZjE2ZGVjClNpZ25lZC1vZmYtYnk6IEV2YW4gUXVhbiA8ZXZhbi5xdWFuQGFtZC5jb20+Ci0tLQog ZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2Rydi5jIHwgMjAgKysrKysrKysrKysr LS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAxMiBpbnNlcnRpb25zKCspLCA4IGRlbGV0aW9ucygt KQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kcnYuYyBi L2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kcnYuYwppbmRleCBjNWZiYTc5YzM2 NjAuLmJjZDU5YmEwN2JiMCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUv YW1kZ3B1X2Rydi5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kcnYu YwpAQCAtMjM3LDEzICsyMzcsMTQgQEAgbW9kdWxlX3BhcmFtX25hbWVkKG1zaSwgYW1kZ3B1X21z aSwgaW50LCAwNDQ0KTsKICAqIFNldCBHUFUgc2NoZWR1bGVyIHRpbWVvdXQgdmFsdWUgaW4gbXMu CiAgKgogICogVGhlIGZvcm1hdCBjYW4gYmUgW05vbi1Db21wdXRlXSBvciBbR0ZYLENvbXB1dGUs U0RNQSxWaWRlb10uIFRoYXQgaXMgdGhlcmUgY2FuIGJlIG9uZSBvcgotICogbXVsdGlwbGUgdmFs dWVzIHNwZWNpZmllZC4gMCBhbmQgbmVnYXRpdmUgdmFsdWVzIGFyZSBpbnZhbGlkYXRlZC4gVGhl eSB3aWxsIGJlIGFkanVzdGVkCi0gKiB0byBkZWZhdWx0IHRpbWVvdXQuCisgKiBtdWx0aXBsZSB2 YWx1ZXMgc3BlY2lmaWVkLgogICogIC0gV2l0aCBvbmUgdmFsdWUgc3BlY2lmaWVkLCB0aGUgc2V0 dGluZyB3aWxsIGFwcGx5IHRvIGFsbCBub24tY29tcHV0ZSBqb2JzLgogICogIC0gV2l0aCBtdWx0 aXBsZSB2YWx1ZXMgc3BlY2lmaWVkLCB0aGUgZmlyc3Qgb25lIHdpbGwgYmUgZm9yIEdGWC4gVGhl IHNlY29uZCBvbmUgaXMgZm9yIENvbXB1dGUuCiAgKiAgICBBbmQgdGhlIHRoaXJkIGFuZCBmb3Vy dGggb25lcyBhcmUgZm9yIFNETUEgYW5kIFZpZGVvLgogICogQnkgZGVmYXVsdCh3aXRoIG5vIGxv Y2t1cF90aW1lb3V0IHNldHRpbmdzKSwgdGhlIHRpbWVvdXQgZm9yIGFsbCBub24tY29tcHV0ZShH RlgsIFNETUEgYW5kIFZpZGVvKQogICogam9icyBpcyAxMDAwMC4gQW5kIHRoZXJlIGlzIG5vIHRp bWVvdXQgZW5mb3JjZWQgb24gY29tcHV0ZSBqb2JzLgorICogVmFsdWUgMCBpcyBpbnZhbGlkYXRl ZCwgd2lsbCBiZSBhZGp1c3RlZCB0byBkZWZhdWx0IHRpbWVvdXQgc2V0dGluZ3MuCisgKiBOZWdh dGl2ZSB2YWx1ZXMgbWVhbiAnaW5maW5pdGUgdGltZW91dCcgKE1BWF9KSUZGWV9PRkZTRVQpLgog ICovCiBNT0RVTEVfUEFSTV9ERVNDKGxvY2t1cF90aW1lb3V0LCAiR1BVIGxvY2t1cCB0aW1lb3V0 IGluIG1zIChkZWZhdWx0OiAxMDAwMCBmb3Igbm9uLWNvbXB1dGUgam9icyBhbmQgbm8gdGltZW91 dCBmb3IgY29tcHV0ZSBqb2JzKSwgIgogCQkiZm9ybWF0IGlzIFtOb24tQ29tcHV0ZV0gb3IgW0dG WCxDb21wdXRlLFNETUEsVmlkZW9dIik7CkBAIC0xMzM5LDI0ICsxMzQwLDI3IEBAIGludCBhbWRn cHVfZGV2aWNlX2dldF9qb2JfdGltZW91dF9zZXR0aW5ncyhzdHJ1Y3QgYW1kZ3B1X2RldmljZSAq YWRldikKIAkJCWlmIChyZXQpCiAJCQkJcmV0dXJuIHJldDsKIAotCQkJLyogSW52YWxpZGF0ZSAw IGFuZCBuZWdhdGl2ZSB2YWx1ZXMgKi8KLQkJCWlmICh0aW1lb3V0IDw9IDApIHsKKwkJCS8qCisJ CQkgKiBWYWx1ZSAwIHdpbGwgYmUgYWRqdXN0ZWQgdG8gZGVmYXVsdCB0aW1lb3V0IHNldHRpbmdz LgorCQkJICogTmVnYXRpdmUgdmFsdWVzIG1lYW4gJ2luZmluaXRlIHRpbWVvdXQnIChNQVhfSklG RllfT0ZGU0VUKS4KKwkJCSAqLworCQkJaWYgKCF0aW1lb3V0KSB7CiAJCQkJaW5kZXgrKzsKIAkJ CQljb250aW51ZTsKIAkJCX0KIAogCQkJc3dpdGNoIChpbmRleCsrKSB7CiAJCQljYXNlIDA6Ci0J CQkJYWRldi0+Z2Z4X3RpbWVvdXQgPSB0aW1lb3V0OworCQkJCWFkZXYtPmdmeF90aW1lb3V0ID0g bXNlY3NfdG9famlmZmllcyh0aW1lb3V0KTsKIAkJCQlicmVhazsKIAkJCWNhc2UgMToKLQkJCQlh ZGV2LT5jb21wdXRlX3RpbWVvdXQgPSB0aW1lb3V0OworCQkJCWFkZXYtPmNvbXB1dGVfdGltZW91 dCA9IG1zZWNzX3RvX2ppZmZpZXModGltZW91dCk7CiAJCQkJYnJlYWs7CiAJCQljYXNlIDI6Ci0J CQkJYWRldi0+c2RtYV90aW1lb3V0ID0gdGltZW91dDsKKwkJCQlhZGV2LT5zZG1hX3RpbWVvdXQg PSBtc2Vjc190b19qaWZmaWVzKHRpbWVvdXQpOwogCQkJCWJyZWFrOwogCQkJY2FzZSAzOgotCQkJ CWFkZXYtPnZpZGVvX3RpbWVvdXQgPSB0aW1lb3V0OworCQkJCWFkZXYtPnZpZGVvX3RpbWVvdXQg PSBtc2Vjc190b19qaWZmaWVzKHRpbWVvdXQpOwogCQkJCWJyZWFrOwogCQkJZGVmYXVsdDoKIAkJ CQlicmVhazsKLS0gCjIuMjEuMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3Rv cC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQt Z2Z4