From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 32BDF6E0C1 for ; Wed, 4 Dec 2019 17:50:34 +0000 (UTC) Date: Wed, 4 Dec 2019 19:50:30 +0200 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Message-ID: <20191204175030.GB1208@intel.com> References: <1575042765-12496-1-git-send-email-juhapekka.heikkila@gmail.com> <157504343480.11312.14983556265254793121@skylake-alporthouse-com> <157505810779.11312.10692648163660666521@skylake-alporthouse-com> <20191129204435.GH1208@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191129204435.GH1208@intel.com> Subject: Re: [igt-dev] [PATCH i-g-t] tests/kms_cursor_crc: Fix user space read too slow error 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: Juha-Pekka Heikkila Cc: igt-dev@lists.freedesktop.org List-ID: T24gRnJpLCBOb3YgMjksIDIwMTkgYXQgMTA6NDQ6MzVQTSArMDIwMCwgVmlsbGUgU3lyasOkbMOk IHdyb3RlOgo+IE9uIEZyaSwgTm92IDI5LCAyMDE5IGF0IDEwOjM4OjE2UE0gKzAyMDAsIEp1aGEt UGVra2EgSGVpa2tpbGEgd3JvdGU6Cj4gPiBPbiAyOS4xMS4yMDE5IDIyLjA4LCBDaHJpcyBXaWxz b24gd3JvdGU6Cj4gPiA+IFF1b3RpbmcgSnVoYS1QZWtrYSBIZWlra2lsw6QgKDIwMTktMTEtMjkg MTk6NTc6NDgpCj4gPiA+PiBPbiBGcmksIE5vdiAyOSwgMjAxOSBhdCA2OjA0IFBNIENocmlzIFdp bHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPiB3cm90ZToKPiA+ID4+Pgo+ID4gPj4+IFF1 b3RpbmcgSnVoYS1QZWtrYSBIZWlra2lsYSAoMjAxOS0xMS0yOSAxNTo1Mjo0NSkKPiA+ID4+Pj4g SGF2aW5nIGNyYyBydW5uaW5nIGNvbnRpbnVvdXNseSBjYXVzZSB0aGlzIHRlc3Qgc29tZXRpbWUK PiA+ID4+Pj4gZmlsbCBjcmMgYnVmZmVyLCBmaXggdGhpcyBwcm9ibGVtIGFzIHdlbGwgYXMgZG8g c29tZSBnZW5lcmljCj4gPiA+Pj4+IGNsZWFudXBzLgo+ID4gPj4+Pgo+ID4gPj4+PiBTaWduZWQt b2ZmLWJ5OiBKdWhhLVBla2thIEhlaWtraWxhIDxqdWhhcGVra2EuaGVpa2tpbGFAZ21haWwuY29t Pgo+ID4gPj4+PiAtLS0KPiA+ID4+Pj4gICB0ZXN0cy9rbXNfY3Vyc29yX2NyYy5jIHwgMTA2ICsr KysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0KPiA+ID4+Pj4g ICAxIGZpbGUgY2hhbmdlZCwgNTQgaW5zZXJ0aW9ucygrKSwgNTIgZGVsZXRpb25zKC0pCj4gPiA+ Pj4+Cj4gPiA+Pj4+IGRpZmYgLS1naXQgYS90ZXN0cy9rbXNfY3Vyc29yX2NyYy5jIGIvdGVzdHMv a21zX2N1cnNvcl9jcmMuYwo+ID4gPj4+PiBpbmRleCA2YzRjNDU3Li42OTgyNDM3IDEwMDY0NAo+ ID4gPj4+PiAtLS0gYS90ZXN0cy9rbXNfY3Vyc29yX2NyYy5jCj4gPiA+Pj4+ICsrKyBiL3Rlc3Rz L2ttc19jdXJzb3JfY3JjLmMKPiA+ID4+Pj4gQEAgLTUyLDcgKzUyLDYgQEAgdHlwZWRlZiBzdHJ1 Y3Qgewo+ID4gPj4+PiAgICAgICAgICBzdHJ1Y3QgaWd0X2ZiIGZiOwo+ID4gPj4+PiAgICAgICAg ICBpZ3Rfb3V0cHV0X3QgKm91dHB1dDsKPiA+ID4+Pj4gICAgICAgICAgZW51bSBwaXBlIHBpcGU7 Cj4gPiA+Pj4+IC0gICAgICAgaWd0X2NyY190IHJlZl9jcmM7Cj4gPiA+Pj4+ICAgICAgICAgIGlu dCBsZWZ0LCByaWdodCwgdG9wLCBib3R0b207Cj4gPiA+Pj4+ICAgICAgICAgIGludCBzY3JlZW53 LCBzY3JlZW5oOwo+ID4gPj4+PiAgICAgICAgICBpbnQgcmVmcmVzaDsKPiA+ID4+Pj4gQEAgLTYw LDYgKzU5LDkgQEAgdHlwZWRlZiBzdHJ1Y3Qgewo+ID4gPj4+PiAgICAgICAgICBpbnQgY3Vyc29y X21heF93LCBjdXJzb3JfbWF4X2g7Cj4gPiA+Pj4+ICAgICAgICAgIGlndF9waXBlX2NyY190ICpw aXBlX2NyYzsKPiA+ID4+Pj4gICAgICAgICAgdW5zaWduZWQgZmxhZ3M7Cj4gPiA+Pj4+ICsgICAg ICAgaWd0X3BsYW5lX3QgKnByaW1hcnk7Cj4gPiA+Pj4+ICsgICAgICAgaWd0X3BsYW5lX3QgKmN1 cnNvcjsKPiA+ID4+Pj4gKyAgICAgICBjYWlyb19zdXJmYWNlX3QgKnN1cmZhY2U7Cj4gPiA+Pj4+ ICAgfSBkYXRhX3Q7Cj4gPiA+Pj4+Cj4gPiA+Pj4+ICAgI2RlZmluZSBURVNUX0RQTVMgKDE8PDAp Cj4gPiA+Pj4+IEBAIC04OSwyMyArOTEsMTUgQEAgc3RhdGljIHZvaWQgZHJhd19jdXJzb3IoY2Fp cm9fdCAqY3IsIGludCB4LCBpbnQgeSwgaW50IGN3LCBpbnQgY2gsIGRvdWJsZSBhKQo+ID4gPj4+ Pgo+ID4gPj4+PiAgIHN0YXRpYyB2b2lkIGN1cnNvcl9lbmFibGUoZGF0YV90ICpkYXRhKQo+ID4g Pj4+PiAgIHsKPiA+ID4+Pj4gLSAgICAgICBpZ3Rfb3V0cHV0X3QgKm91dHB1dCA9IGRhdGEtPm91 dHB1dDsKPiA+ID4+Pj4gLSAgICAgICBpZ3RfcGxhbmVfdCAqY3Vyc29yID0KPiA+ID4+Pj4gLSAg ICAgICAgICAgICAgIGlndF9vdXRwdXRfZ2V0X3BsYW5lX3R5cGUob3V0cHV0LCBEUk1fUExBTkVf VFlQRV9DVVJTT1IpOwo+ID4gPj4+PiAtCj4gPiA+Pj4+IC0gICAgICAgaWd0X3BsYW5lX3NldF9m YihjdXJzb3IsICZkYXRhLT5mYik7Cj4gPiA+Pj4+IC0gICAgICAgaWd0X3BsYW5lX3NldF9zaXpl KGN1cnNvciwgZGF0YS0+Y3VydywgZGF0YS0+Y3VyaCk7Cj4gPiA+Pj4+IC0gICAgICAgaWd0X2Zi X3NldF9zaXplKCZkYXRhLT5mYiwgY3Vyc29yLCBkYXRhLT5jdXJ3LCBkYXRhLT5jdXJoKTsKPiA+ ID4+Pj4gKyAgICAgICBpZ3RfcGxhbmVfc2V0X2ZiKGRhdGEtPmN1cnNvciwgJmRhdGEtPmZiKTsK PiA+ID4+Pj4gKyAgICAgICBpZ3RfcGxhbmVfc2V0X3NpemUoZGF0YS0+Y3Vyc29yLCBkYXRhLT5j dXJ3LCBkYXRhLT5jdXJoKTsKPiA+ID4+Pj4gKyAgICAgICBpZ3RfZmJfc2V0X3NpemUoJmRhdGEt PmZiLCBkYXRhLT5jdXJzb3IsIGRhdGEtPmN1cncsIGRhdGEtPmN1cmgpOwo+ID4gPj4+PiAgIH0K PiA+ID4+Pj4KPiA+ID4+Pj4gICBzdGF0aWMgdm9pZCBjdXJzb3JfZGlzYWJsZShkYXRhX3QgKmRh dGEpCj4gPiA+Pj4+ICAgewo+ID4gPj4+PiAtICAgICAgIGlndF9vdXRwdXRfdCAqb3V0cHV0ID0g ZGF0YS0+b3V0cHV0Owo+ID4gPj4+PiAtICAgICAgIGlndF9wbGFuZV90ICpjdXJzb3IgPQo+ID4g Pj4+PiAtICAgICAgICAgICAgICAgaWd0X291dHB1dF9nZXRfcGxhbmVfdHlwZShvdXRwdXQsIERS TV9QTEFORV9UWVBFX0NVUlNPUik7Cj4gPiA+Pj4+IC0KPiA+ID4+Pj4gLSAgICAgICBpZ3RfcGxh bmVfc2V0X2ZiKGN1cnNvciwgTlVMTCk7Cj4gPiA+Pj4+IC0gICAgICAgaWd0X3BsYW5lX3NldF9w b3NpdGlvbihjdXJzb3IsIDAsIDApOwo+ID4gPj4+PiArICAgICAgIGlndF9wbGFuZV9zZXRfZmIo ZGF0YS0+Y3Vyc29yLCBOVUxMKTsKPiA+ID4+Pj4gKyAgICAgICBpZ3RfcGxhbmVfc2V0X3Bvc2l0 aW9uKGRhdGEtPmN1cnNvciwgMCwgMCk7Cj4gPiA+Pj4+ICAgfQo+ID4gPj4+Pgo+ID4gPj4+PiAg IHN0YXRpYyBib29sIGNodl9jdXJzb3JfYnJva2VuKGRhdGFfdCAqZGF0YSwgaW50IHgpCj4gPiA+ Pj4+IEBAIC0xNDQsMzAgKzEzOCw0MCBAQCBzdGF0aWMgYm9vbCBjdXJzb3JfdmlzaWJsZShkYXRh X3QgKmRhdGEsIGludCB4LCBpbnQgeSkKPiA+ID4+Pj4gICAgICAgICAgcmV0dXJuIHRydWU7Cj4g PiA+Pj4+ICAgfQo+ID4gPj4+Pgo+ID4gPj4+PiArc3RhdGljIHZvaWQgcmVzdG9yZV9pbWFnZShk YXRhX3QgKmRhdGEpCj4gPiA+Pj4+ICt7Cj4gPiA+Pj4+ICsgICAgICAgY2Fpcm9fdCAqY3I7Cj4g PiA+Pj4+ICsKPiA+ID4+Pj4gKyAgICAgICBjciA9IGlndF9nZXRfY2Fpcm9fY3R4KGRhdGEtPmRy bV9mZCwgJmRhdGEtPnByaW1hcnlfZmIpOwo+ID4gPj4+PiArICAgICAgIGNhaXJvX3NldF9vcGVy YXRvcihjciwgQ0FJUk9fT1BFUkFUT1JfU09VUkNFKTsKPiA+ID4+Pj4gKyAgICAgICBjYWlyb19z ZXRfc291cmNlX3N1cmZhY2UoY3IsIGRhdGEtPnN1cmZhY2UsIDAsIDApOwo+ID4gPj4+PiArICAg ICAgIGNhaXJvX3JlY3RhbmdsZShjciwgMCwgMCwgZGF0YS0+c2NyZWVudywgZGF0YS0+c2NyZWVu aCk7Cj4gPiA+Pj4+ICsgICAgICAgY2Fpcm9fZmlsbChjcik7Cj4gPiA+Pj4+ICsgICAgICAgaWd0 X3B1dF9jYWlyb19jdHgoZGF0YS0+ZHJtX2ZkLCAmZGF0YS0+cHJpbWFyeV9mYiwgY3IpOwo+ID4g Pj4+PiArICAgICAgIGdlbV9zeW5jKGRhdGEtPmRybV9mZCwgZGF0YS0+cHJpbWFyeV9mYi5nZW1f aGFuZGxlKTsKPiA+ID4+Pgo+ID4gPj4+IFRoaXMgaXMgYSBnZW5lcmljIEtNUyB0ZXN0LCBnZW1f c3luYygpIGlzIG5vdCBzdXBwb3J0ZWQuCj4gPiA+Pgo+ID4gPj4gSWRlYSBoZXJlIHdhcyB0byBt YWtlIGNlcnRhaW4gbWVtb3J5IGNvcGllZCB0byBGQiBpcyByZWFsbHkgdGhlcmUuIEkKPiA+ID4+ IGRpZCBhc2sgZnJvbSBNaWthIGZvciBpZGVhcyBhbmQgaGUgc3VnZ2VzdGVkIGNoYW5naW5nIGRv bWFpbiB0byBjYXVzZQo+ID4gPj4gc3luY2hyb25pemF0aW9uLCBpbiBpb2N0bF93cmFwcGVycy5j IGF0IGdlbV9zZXRfZG9tYWluKCkgY29tbWVudHMKPiA+ID4+IHN1Z2dlc3RlZCB0byB1c2UgZ2Vt X3N5bmMoKSBpbnN0ZWFkLgo+ID4gPiAKPiA+ID4gVGhlbiB5b3UgYXJlIHRyeWluZyB0byBwYXBl ciBvdmVyIHJlYWwgYnVncy4gVXNlcnNwYWNlIGNhbGxzIGRpcnR5ZmIgdG8KPiA+ID4gZGVjbGFy ZSBpdCBoYXMgdXBkYXRlZCB0aGUgZmIsIHRoZSBrZXJuZWwgdGhlbiBoYXMgdG8gdGFrZSBjYXJl IG9mCj4gPiA+IG1ha2luZyBzdXJlIGl0IGlzIGNvaGVyZW50IHByaW9yIHRvIHRoZSBuZXh0IGZs aXAsIG9yIHdvcnJ5IG1vcmUgaWYgaXQKPiA+ID4gaXMgYWxyZWFkeSBvbiB0aGUgc2Nhbm91dC4K PiA+IAo+ID4gSSBkaWQgdGFsayB3aXRoIFZpbGxlIGFib3V0IHRoaXMgYW5kIFZpbGxlIHNhaWQg dGhlcmUncyBubyBndWFyYW50ZWUgaW4gCj4gPiBJR1QgZm9yIHRoaXMgc3luY2hyb25pemF0aW9u Lgo+IAo+IFdlIGFscmVhZHkgaGF2ZSB0aGUgZ2VtX3N5bmMoKSBpbiBpZ3RfZmIgZm9yIHRoZSBj YXNlcyB3aGVyZSB3ZQo+IGNvbnZlcnQgdmlhIHJlbmRlci9ibGl0dGVyIGVuZ2luZS4gV2hhdCB3 ZSBzZWVtIHRvIGJlIG1pc3NpbmcgaXMKPiB0aGUgc2V0X2RvbWFpbigud3JpdGVfZG9tYWluPTAp IGZvciB0aGUgY3B1IGd0dCBwYXRoLiBUaGUgZGlydHlmYgo+IGlzIG9ubHkgZG9uZSBmb3IgZHVt YiBmYnMgZm9yIHdoYXRldmVyIHJlYXNvbi4KCkhtbS4gTG9va3MgbGlrZSBzZXRfZG9tYWluKEdU VCwgR1RUKSArIHNldF9kb21haW4oR1RULCAwKQp3b24ndCBldmVuIGZsdXNoIHRoZSBndHQgd3Jp dGUgZG9tYWluIGFueW1vcmU/IEEgY2hhbmdlIGludHJvZHVjZWQKaW4gY29tbWl0IGVmNzQ5MjFi YzY3OSAoImRybS9pOTE1OiBDb21iaW5lIHdyaXRlX2RvbWFpbiBmbHVzaGVzCnRvIGEgc2luZ2xl IGZ1bmN0aW9uIikgaWYgSSdtIHJlYWRpbmcgdGhlIGxvZ3MgY29ycmVjdGx5LgoKU28gSSBndWVz cyB3ZSBub3cgbmVlZCB0aGUgZGlydHlmYiAob3Igc3dfZmluaXNoKSBpb2N0bC4gVGhhdApzaG91 bGQgZW5kIHVwIGRvaW5nIHRoZSB3Yy9jaGlwc2V0IGZsdXNoZXMgd2Ugd2FudC4KClRob3VnaCBu b3cgSSdtIGxlZnQgd29uZGVyaW5nIGhvdyB3ZSB3b3VsZCBkbyB0aGlzIGhhZCB3ZQp1c2VkIHRo ZSBjcHUgd3JpdGUgZG9tYWluLiBBRkFJQ1MgdGhlIGZsdXNoX2lmX2Rpc3BsYXkoKSB0aGluZwp3 aWxsIGFsd2F5cyBkbyB0aGUgY2xmbHVzaCBhc3luY2hyb25vdXNseSwgYnV0IGhlcmUgd2UKd2Fu dCBhIHN5bmMgZmx1c2ggc2luY2Ugd2UgbmVlZCB0aGUgZGlzcGxheSBlbmdpbmUgdG8gc2VlCnRo ZSBuZXcgZGF0YSBhc2FwLiBJIHdvbmRlciBpZiB3ZSBoYXZlIGFueSBmcm9udGJ1ZmZlcgpyZW5k ZXJpbmcgdGVzdHMgdGhhdCBjYW4gYWN0dWFsbHkgaGl0IHRoaXMuLi4KCi0tIApWaWxsZSBTeXJq w6Rsw6QKSW50ZWwKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KaWd0LWRldiBtYWlsaW5nIGxpc3QKaWd0LWRldkBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pZ3QtZGV2