From mboxrd@z Thu Jan 1 00:00:00 1970 From: Evan Quan Subject: [PATCH] drm/amdgpu: treat negative lockup timeout as 'infinite timeout' Date: Sun, 5 May 2019 22:23:53 +0800 Message-ID: <20190505142353.30369-1-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 aW5maW5pdGUgdGltZW91dCcuCgpDaGFuZ2UtSWQ6IEkwZDgzODc5NTZhOWM3NDQwNzNjMDI4MWVm MmUxYTU0N2Q0ZjE2ZGVjClNpZ25lZC1vZmYtYnk6IEV2YW4gUXVhbiA8ZXZhbi5xdWFuQGFtZC5j b20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2Rydi5jIHwgMTQgKysr KysrKysrKy0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAxMCBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9u cygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kcnYu YyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kcnYuYwppbmRleCA1YjAzZTE3 ZTZlMDYuLjRkNmRmZjY4NTVmOCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRn cHUvYW1kZ3B1X2Rydi5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9k cnYuYwpAQCAtMjMzLDEzICsyMzMsMTQgQEAgbW9kdWxlX3BhcmFtX25hbWVkKG1zaSwgYW1kZ3B1 X21zaSwgaW50LCAwNDQ0KTsKICAqIFNldCBHUFUgc2NoZWR1bGVyIHRpbWVvdXQgdmFsdWUgaW4g bXMuCiAgKgogICogVGhlIGZvcm1hdCBjYW4gYmUgW05vbi1Db21wdXRlXSBvciBbR0ZYLENvbXB1 dGUsU0RNQSxWaWRlb10uIFRoYXQgaXMgdGhlcmUgY2FuIGJlIG9uZSBvcgotICogbXVsdGlwbGUg dmFsdWVzIHNwZWNpZmllZC4gMCBhbmQgbmVnYXRpdmUgdmFsdWVzIGFyZSBpbnZhbGlkYXRlZC4g VGhleSB3aWxsIGJlIGFkanVzdGVkCi0gKiB0byBkZWZhdWx0IHRpbWVvdXQuCisgKiBtdWx0aXBs ZSB2YWx1ZXMgc3BlY2lmaWVkLgogICogIC0gV2l0aCBvbmUgdmFsdWUgc3BlY2lmaWVkLCB0aGUg c2V0dGluZyB3aWxsIGFwcGx5IHRvIGFsbCBub24tY29tcHV0ZSBqb2JzLgogICogIC0gV2l0aCBt dWx0aXBsZSB2YWx1ZXMgc3BlY2lmaWVkLCB0aGUgZmlyc3Qgb25lIHdpbGwgYmUgZm9yIEdGWC4g VGhlIHNlY29uZCBvbmUgaXMgZm9yIENvbXB1dGUuCiAgKiAgICBBbmQgdGhlIHRoaXJkIGFuZCBm b3VydGggb25lcyBhcmUgZm9yIFNETUEgYW5kIFZpZGVvLgogICogQnkgZGVmYXVsdCh3aXRoIG5v IGxvY2t1cF90aW1lb3V0IHNldHRpbmdzKSwgdGhlIHRpbWVvdXQgZm9yIGFsbCBub24tY29tcHV0 ZShHRlgsIFNETUEgYW5kIFZpZGVvKQogICogam9icyBpcyAxMDAwMC4gQW5kIHRoZXJlIGlzIG5v IHRpbWVvdXQgZW5mb3JjZWQgb24gY29tcHV0ZSBqb2JzLgorICogVmFsdWUgMCBpcyBpbnZhbGlk YXRlZCwgd2lsbCBiZSBhZGp1c3RlZCB0byBkZWZhdWx0IHRpbWVvdXQgc2V0dGluZ3MuCisgKiBO ZWdhdGl2ZSB2YWx1ZXMgbWVhbiAnaW5maW5pdGUgdGltZW91dCcgKE1BWF9KSUZGWV9PRkZTRVQp LgogICovCiBNT0RVTEVfUEFSTV9ERVNDKGxvY2t1cF90aW1lb3V0LCAiR1BVIGxvY2t1cCB0aW1l b3V0IGluIG1zIChkZWZhdWx0OiAxMDAwMCBmb3Igbm9uLWNvbXB1dGUgam9icyBhbmQgbm8gdGlt ZW91dCBmb3IgY29tcHV0ZSBqb2JzKSwgIgogCQkiZm9ybWF0IGlzIFtOb24tQ29tcHV0ZV0gb3Ig W0dGWCxDb21wdXRlLFNETUEsVmlkZW9dIik7CkBAIC0xMjQ4LDExICsxMjQ5LDE2IEBAIGludCBh bWRncHVfZGV2aWNlX2dldF9qb2JfdGltZW91dF9zZXR0aW5ncyhzdHJ1Y3QgYW1kZ3B1X2Rldmlj ZSAqYWRldikKIAkJCWlmIChyZXQpCiAJCQkJcmV0dXJuIHJldDsKIAotCQkJLyogSW52YWxpZGF0 ZSAwIGFuZCBuZWdhdGl2ZSB2YWx1ZXMgKi8KLQkJCWlmICh0aW1lb3V0IDw9IDApIHsKKwkJCS8q CisJCQkgKiBWYWx1ZSAwIHdpbGwgYmUgYWRqdXN0ZWQgdG8gZGVmYXVsdCB0aW1lb3V0IHNldHRp bmdzLgorCQkJICogTmVnYXRpdmUgdmFsdWVzIG1lYW4gJ2luZmluaXRlIHRpbWVvdXQnIChNQVhf SklGRllfT0ZGU0VUKS4KKwkJCSAqLworCQkJaWYgKCF0aW1lb3V0KSB7CiAJCQkJaW5kZXgrKzsK IAkJCQljb250aW51ZTsKIAkJCX0KKwkJCWlmICh0aW1lb3V0IDwgMCkKKwkJCQl0aW1lb3V0ID0g TUFYX0pJRkZZX09GRlNFVDsKIAogCQkJc3dpdGNoIChpbmRleCsrKSB7CiAJCQljYXNlIDA6Ci0t IAoyLjIxLjAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CmFtZC1nZnggbWFpbGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBz Oi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeA==