From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Christian_K=c3=b6nig?= Subject: Re: [PATCH] drm/amdgpu: treat negative lockup timeout as 'infinite timeout' Date: Mon, 6 May 2019 13:26:27 +0200 Message-ID: <03378dca-c0bb-443e-818a-3a01b69dcccb@gmail.com> References: <20190505142353.30369-1-evan.quan@amd.com> Reply-To: christian.koenig-5C7GfCeVMHo@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190505142353.30369-1-evan.quan-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US 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: Evan Quan , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: christian.koenig-5C7GfCeVMHo@public.gmane.org QW0gMDUuMDUuMTkgdW0gMTY6MjMgc2NocmllYiBFdmFuIFF1YW46Cj4gTmVnYXRpdmUgbG9ja3Vw IHRpbWVvdXQgaXMgdmFsaWQgYW5kIHdpbGwgYmUgdHJlYXRlZCBhcwo+ICdpbmZpbml0ZSB0aW1l b3V0Jy4KPgo+IENoYW5nZS1JZDogSTBkODM4Nzk1NmE5Yzc0NDA3M2MwMjgxZWYyZTFhNTQ3ZDRm MTZkZWMKPiBTaWduZWQtb2ZmLWJ5OiBFdmFuIFF1YW4gPGV2YW4ucXVhbkBhbWQuY29tPgo+IC0t LQo+ICAgZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X2Rydi5jIHwgMTQgKysrKysr KysrKy0tLS0KPiAgIDEgZmlsZSBjaGFuZ2VkLCAxMCBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9u cygtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9k cnYuYyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9kcnYuYwo+IGluZGV4IDVi MDNlMTdlNmUwNi4uNGQ2ZGZmNjg1NWY4IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9h bWQvYW1kZ3B1L2FtZGdwdV9kcnYuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1 L2FtZGdwdV9kcnYuYwo+IEBAIC0yMzMsMTMgKzIzMywxNCBAQCBtb2R1bGVfcGFyYW1fbmFtZWQo bXNpLCBhbWRncHVfbXNpLCBpbnQsIDA0NDQpOwo+ICAgICogU2V0IEdQVSBzY2hlZHVsZXIgdGlt ZW91dCB2YWx1ZSBpbiBtcy4KPiAgICAqCj4gICAgKiBUaGUgZm9ybWF0IGNhbiBiZSBbTm9uLUNv bXB1dGVdIG9yIFtHRlgsQ29tcHV0ZSxTRE1BLFZpZGVvXS4gVGhhdCBpcyB0aGVyZSBjYW4gYmUg b25lIG9yCj4gLSAqIG11bHRpcGxlIHZhbHVlcyBzcGVjaWZpZWQuIDAgYW5kIG5lZ2F0aXZlIHZh bHVlcyBhcmUgaW52YWxpZGF0ZWQuIFRoZXkgd2lsbCBiZSBhZGp1c3RlZAo+IC0gKiB0byBkZWZh dWx0IHRpbWVvdXQuCj4gKyAqIG11bHRpcGxlIHZhbHVlcyBzcGVjaWZpZWQuCj4gICAgKiAgLSBX aXRoIG9uZSB2YWx1ZSBzcGVjaWZpZWQsIHRoZSBzZXR0aW5nIHdpbGwgYXBwbHkgdG8gYWxsIG5v bi1jb21wdXRlIGpvYnMuCj4gICAgKiAgLSBXaXRoIG11bHRpcGxlIHZhbHVlcyBzcGVjaWZpZWQs IHRoZSBmaXJzdCBvbmUgd2lsbCBiZSBmb3IgR0ZYLiBUaGUgc2Vjb25kIG9uZSBpcyBmb3IgQ29t cHV0ZS4KPiAgICAqICAgIEFuZCB0aGUgdGhpcmQgYW5kIGZvdXJ0aCBvbmVzIGFyZSBmb3IgU0RN QSBhbmQgVmlkZW8uCj4gICAgKiBCeSBkZWZhdWx0KHdpdGggbm8gbG9ja3VwX3RpbWVvdXQgc2V0 dGluZ3MpLCB0aGUgdGltZW91dCBmb3IgYWxsIG5vbi1jb21wdXRlKEdGWCwgU0RNQSBhbmQgVmlk ZW8pCj4gICAgKiBqb2JzIGlzIDEwMDAwLiBBbmQgdGhlcmUgaXMgbm8gdGltZW91dCBlbmZvcmNl ZCBvbiBjb21wdXRlIGpvYnMuCj4gKyAqIFZhbHVlIDAgaXMgaW52YWxpZGF0ZWQsIHdpbGwgYmUg YWRqdXN0ZWQgdG8gZGVmYXVsdCB0aW1lb3V0IHNldHRpbmdzLgo+ICsgKiBOZWdhdGl2ZSB2YWx1 ZXMgbWVhbiAnaW5maW5pdGUgdGltZW91dCcgKE1BWF9KSUZGWV9PRkZTRVQpLgo+ICAgICovCj4g ICBNT0RVTEVfUEFSTV9ERVNDKGxvY2t1cF90aW1lb3V0LCAiR1BVIGxvY2t1cCB0aW1lb3V0IGlu IG1zIChkZWZhdWx0OiAxMDAwMCBmb3Igbm9uLWNvbXB1dGUgam9icyBhbmQgbm8gdGltZW91dCBm b3IgY29tcHV0ZSBqb2JzKSwgIgo+ICAgCQkiZm9ybWF0IGlzIFtOb24tQ29tcHV0ZV0gb3IgW0dG WCxDb21wdXRlLFNETUEsVmlkZW9dIik7Cj4gQEAgLTEyNDgsMTEgKzEyNDksMTYgQEAgaW50IGFt ZGdwdV9kZXZpY2VfZ2V0X2pvYl90aW1lb3V0X3NldHRpbmdzKHN0cnVjdCBhbWRncHVfZGV2aWNl ICphZGV2KQo+ICAgCQkJaWYgKHJldCkKPiAgIAkJCQlyZXR1cm4gcmV0Owo+ICAgCj4gLQkJCS8q IEludmFsaWRhdGUgMCBhbmQgbmVnYXRpdmUgdmFsdWVzICovCj4gLQkJCWlmICh0aW1lb3V0IDw9 IDApIHsKPiArCQkJLyoKPiArCQkJICogVmFsdWUgMCB3aWxsIGJlIGFkanVzdGVkIHRvIGRlZmF1 bHQgdGltZW91dCBzZXR0aW5ncy4KPiArCQkJICogTmVnYXRpdmUgdmFsdWVzIG1lYW4gJ2luZmlu aXRlIHRpbWVvdXQnIChNQVhfSklGRllfT0ZGU0VUKS4KPiArCQkJICovCj4gKwkJCWlmICghdGlt ZW91dCkgewo+ICAgCQkJCWluZGV4Kys7Cj4gICAJCQkJY29udGludWU7Cj4gICAJCQl9Cj4gKwkJ CWlmICh0aW1lb3V0IDwgMCkKPiArCQkJCXRpbWVvdXQgPSBNQVhfSklGRllfT0ZGU0VUOwoKVGhp cyBpcyBzdXBlcmZsdW91cyBhbmQgbWF5YmUgZXZlbiBoYXJtZnVsLCBtc2Vjc190b19qaWZmaWVz KCkgc2hvdWxkIAp0YWtlIGNhcmUgb2YgdGhpcyBjb252ZXJzaW9uLgoKTWF5YmUgZXZlbiBjb252 ZXJ0IHRoZSB2YWx1ZXMgZGlyZWN0bHkgaGVyZS4KCkNocmlzdGlhbi4KCj4gICAKPiAgIAkJCXN3 aXRjaCAoaW5kZXgrKykgewo+ICAgCQkJY2FzZSAwOgoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9s aXN0aW5mby9hbWQtZ2Z4