From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ed1-x544.google.com (mail-ed1-x544.google.com [IPv6:2a00:1450:4864:20::544]) by gabe.freedesktop.org (Postfix) with ESMTPS id 27B076E0F6 for ; Tue, 4 Sep 2018 21:52:24 +0000 (UTC) Received: by mail-ed1-x544.google.com with SMTP id d8-v6so4490737edv.0 for ; Tue, 04 Sep 2018 14:52:24 -0700 (PDT) Date: Tue, 4 Sep 2018 23:52:20 +0200 From: Daniel Vetter Message-ID: <20180904215220.GV21634@phenom.ffwll.local> References: <20180904185159.10626-1-chris@chris-wilson.co.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20180904185159.10626-1-chris@chris-wilson.co.uk> Subject: Re: [igt-dev] [PATCH i-g-t] igt/kms_vblank: Exercise some EINVAL List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" To: Chris Wilson Cc: igt-dev@lists.freedesktop.org List-ID: T24gVHVlLCBTZXAgMDQsIDIwMTggYXQgMDc6NTE6NTlQTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IEZlZWQgc29tZSBpbXBvc3NpYmxlIGdhcmJhZ2UgaW50byBkcm1XYWl0VmJsYW5rIGFu ZCBleHBlY3QgdGhlIGtlcm5lbCB0bwo+IHJlcG9ydCBFSU5WQUwuCj4gCj4gU2lnbmVkLW9mZi1i eTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28udWs+Cj4gQ2M6IERhbmllbCBW ZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cj4gLS0tCj4gIHRlc3RzL2ttc192Ymxhbmsu YyB8IDQ1ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKwo+ICAx IGZpbGUgY2hhbmdlZCwgNDUgaW5zZXJ0aW9ucygrKQo+IAo+IGRpZmYgLS1naXQgYS90ZXN0cy9r bXNfdmJsYW5rLmMgYi90ZXN0cy9rbXNfdmJsYW5rLmMKPiBpbmRleCBiM2NkMmQ5M2MuLjNlN2Fm ZjNmZSAxMDA2NDQKPiAtLS0gYS90ZXN0cy9rbXNfdmJsYW5rLmMKPiArKysgYi90ZXN0cy9rbXNf dmJsYW5rLmMKPiBAQCAtNDU1LDYgKzQ1NSw0OCBAQCBzdGF0aWMgdm9pZCBydW5fc3VidGVzdHNf Zm9yX3BpcGUoZGF0YV90ICpkYXRhKQo+ICAJfQo+ICB9Cj4gIAo+ICtzdGF0aWMgdm9pZCBpbnZh bGlkX3N1YnRlc3QoZGF0YV90ICpkYXRhLCBpbnQgZmQpCj4gK3sKPiArCXVuaW9uIGRybV93YWl0 X3ZibGFuayB2Ymw7Cj4gKwl1bnNpZ25lZCBsb25nIGludmFsaWRfZmxhZ3M7Cj4gKwo+ICsJaWd0 X2Rpc3BsYXlfcmVxdWlyZV9vdXRwdXRfb25fcGlwZSgmZGF0YS0+ZGlzcGxheSwgMCk7Cj4gKwo+ ICsJLyogRmlyc3QgY2hlY2sgYWxsIGlzIHdlbGwgd2l0aCBhIHNpbXBsZSBxdWVyeSAqLwo+ICsJ bWVtc2V0KCZ2YmwsIDAsIHNpemVvZih2YmwpKTsKPiArCXZibC5yZXF1ZXN0LnR5cGUgPSBEUk1f VkJMQU5LX1JFTEFUSVZFOwo+ICsJaWd0X2Fzc2VydF9lcSh3YWl0X3ZibGFuayhmZCwgJnZibCks IDApOwo+ICsKPiArCWludmFsaWRfZmxhZ3MgPSB+KF9EUk1fVkJMQU5LX1RZUEVTX01BU0sgfAo+ ICsJCQkgIF9EUk1fVkJMQU5LX0ZMQUdTX01BU0sgfAo+ICsJCQkgIF9EUk1fVkJMQU5LX0hJR0hf Q1JUQ19NQVNLKTsKPiArCj4gKwkvKiBwaWNrIHNvbWUgaW50ZXJlc3RpbmcgaW52YWxpZCBwZXJt dXRhdGlvbnMgKi8KPiArCW1lbXNldCgmdmJsLCAwLCBzaXplb2YodmJsKSk7Cj4gKwl2YmwucmVx dWVzdC50eXBlID0gX0RSTV9WQkxBTktfUkVMQVRJVkUgfCBpbnZhbGlkX2ZsYWdzOwo+ICsJaWd0 X2Fzc2VydF9lcSh3YWl0X3ZibGFuayhmZCwgJnZibCksIC1FSU5WQUwpOwo+ICsJZm9yIChpbnQg Yml0ID0gMDsgYml0IDwgMzI7IGJpdCsrKSB7Cj4gKwkJaW50IGVycjsKPiArCj4gKwkJaWYgKH5p bnZhbGlkX2ZsYWdzICYgKDEgPDwgYml0KSkKCkRvdWJsZS10YWtlIG9uIHRoZSB+fiwgYnV0IGxv b2tzIGNvcnJlY3QuIEkgZXhwZWN0IENJIHRvIGNvbXBsYWluIGFib3V0CnRoZSBkbWVzZy1lcnJv ciBvbiB0aGlzIG9uZSwgYnV0IGl0IHdvbid0IHJlcG9ydCBiZWNhdXNlIGl0J3Mgbm90IHlldAp2 ZXR0ZWQuIEJ1dCBzaG91bGQgYmUgaW4gdGhlIGZ1bGwgcmVzdWx0cyBzb21ld2hlcmUuCgo+ICsJ CQljb250aW51ZTsKPiArCj4gKwkJbWVtc2V0KCZ2YmwsIDAsIHNpemVvZih2YmwpKTsKPiArCQl2 YmwucmVxdWVzdC50eXBlID0gX0RSTV9WQkxBTktfUkVMQVRJVkUgfCAoMSA8PCBiaXQpOwo+ICsJ CWVyciA9IHdhaXRfdmJsYW5rKGZkLCAmdmJsKTsKPiArCQlpZ3RfYXNzZXJ0X2YoZXJyID09IC1F SU5WQUwsCj4gKwkJCSAgICAgInZibGFuayB3YWl0IHdpdGggaW52YWxpZCByZXF1ZXN0LnR5cGUg Yml0ICVkIFsweCUwOHhdIGRpZCBub3QgcmVwb3J0IC1FSU5WQUwsIGdvdCAlZFxuIiwKPiArCQkJ ICAgICBiaXQsIDEgPDwgYml0LCBlcnIpOwo+ICsJfQo+ICsKPiArCS8qIGNoZWNrIHRoZSBtYXhp bXVtIHBpcGUsIG5vYm9keSBzaG91bGQgaGF2ZSB0aGF0IG1hbnkgcGlwZXMhICovCj4gKwltZW1z ZXQoJnZibCwgMCwgc2l6ZW9mKHZibCkpOwo+ICsJdmJsLnJlcXVlc3QudHlwZSA9IF9EUk1fVkJM QU5LX1JFTEFUSVZFOwo+ICsJdmJsLnJlcXVlc3QudHlwZSB8PSBfRFJNX1ZCTEFOS19TRUNPTkRB Ulk7Cj4gKwl2YmwucmVxdWVzdC50eXBlIHw9IF9EUk1fVkJMQU5LX0ZMQUdTX01BU0s7Cj4gKwlp Z3RfYXNzZXJ0X2VxKHdhaXRfdmJsYW5rKGZkLCAmdmJsKSwgLUVJTlZBTCk7CgpIbSBqdXN0IHJl YWxpemVkIHRoYXQgdGhlIGtlcm5lbCBsZXRzIF9EUk1fVkJMQU5LX1NFQ09OREFSWSBhbmQKX0RS TV9WQkxBTktfSElHSF9DUlRDX01BU0sgdGhyb3VnaCBhdCB0aGUgc2FtZSB0aW1lLiBOb3QgcmVh bGx5IGFuIGlzc3VlLApqdXN0IGEgYml0IHNpbGx5LiBCdXQgZm9yIGFub3RoZXIgZGF5LgoKUmV2 aWV3ZWQtYnk6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cgo+ICt9Cj4g Kwo+ICBpZ3RfbWFpbgo+ICB7Cj4gIAlpbnQgZmQ7Cj4gQEAgLTQ2OSw2ICs1MTEsOSBAQCBpZ3Rf bWFpbgo+ICAJCWlndF9kaXNwbGF5X3JlcXVpcmVfb3V0cHV0KCZkYXRhLmRpc3BsYXkpOwo+ICAJ fQo+ICAKPiArCWlndF9zdWJ0ZXN0KCJpbnZhbGlkIikKPiArCQlpbnZhbGlkX3N1YnRlc3QoJmRh dGEsIGZkKTsKPiArCj4gIAlpZ3Rfc3VidGVzdCgiY3J0Yy1pZCIpCj4gIAkJY3J0Y19pZF9zdWJ0 ZXN0KCZkYXRhLCBmZCk7Cj4gIAo+IC0tIAo+IDIuMTkuMC5yYzEKPiAKCi0tIApEYW5pZWwgVmV0 dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jwb3JhdGlvbgpodHRwOi8vYmxvZy5mZnds bC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwppZ3Qt ZGV2IG1haWxpbmcgbGlzdAppZ3QtZGV2QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2lndC1kZXYK