From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH v2 4/8] drm/i915: Check error return when setting DMA mask Date: Thu, 27 Apr 2017 14:40:54 +0300 Message-ID: <87bmrirsc9.fsf@intel.com> References: <1493214013-15580-5-git-send-email-imre.deak@intel.com> <1493227086-3807-2-git-send-email-imre.deak@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A6B86E123 for ; Thu, 27 Apr 2017 11:38:25 +0000 (UTC) In-Reply-To: <1493227086-3807-2-git-send-email-imre.deak@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Imre Deak , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gV2VkLCAyNiBBcHIgMjAxNywgSW1yZSBEZWFrIDxpbXJlLmRlYWtAaW50ZWwuY29tPiB3cm90 ZToKPiBFdmVuIHRob3VnaCBhbiBlcnJvciBmcm9tIHRoZXNlIGZ1bmN0aW9ucyBpc24ndCBmYXRh bCB3ZSBzdGlsbCB3YW50IHRvCj4gaGF2ZSBhIGRpYWdub3N0aWMgbWVzc2FnZSBhYm91dCBpdC4K Pgo+IHYyOgo+IC0gRG9uJ3QgZG8gYXNzaWdubWVudHMgaW4gaWYgc3RhdGVtZW50cy4gKEphbmkp Cj4KPiBDYzogSmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KPiBTaWduZWQtb2Zm LWJ5OiBJbXJlIERlYWsgPGltcmUuZGVha0BpbnRlbC5jb20+CgpSZXZpZXdlZC1ieTogSmFuaSBO aWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KCj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZ2VtX2d0dC5jIHwgMTYgKysrKysrKysrKysrLS0tLQo+ICAxIGZpbGUgY2hhbmdl ZCwgMTIgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5 MTVfZ2VtX2d0dC5jCj4gaW5kZXggOGJhYjRhZS4uMDE3OGM5ZSAxMDA2NDQKPiAtLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9p OTE1L2k5MTVfZ2VtX2d0dC5jCj4gQEAgLTI3NDEsMTMgKzI3NDEsMTcgQEAgc3RhdGljIGludCBn ZW44X2dtY2hfcHJvYmUoc3RydWN0IGk5MTVfZ2d0dCAqZ2d0dCkKPiAgCXN0cnVjdCBwY2lfZGV2 ICpwZGV2ID0gZGV2X3ByaXYtPmRybS5wZGV2Owo+ICAJdW5zaWduZWQgaW50IHNpemU7Cj4gIAl1 MTYgc25iX2dtY2hfY3RsOwo+ICsJaW50IGVycjsKPiAgCj4gIAkvKiBUT0RPOiBXZSdyZSBub3Qg YXdhcmUgb2YgbWFwcGFibGUgY29uc3RyYWludHMgb24gZ2VuOCB5ZXQgKi8KPiAgCWdndHQtPm1h cHBhYmxlX2Jhc2UgPSBwY2lfcmVzb3VyY2Vfc3RhcnQocGRldiwgMik7Cj4gIAlnZ3R0LT5tYXBw YWJsZV9lbmQgPSBwY2lfcmVzb3VyY2VfbGVuKHBkZXYsIDIpOwo+ICAKPiAtCWlmICghcGNpX3Nl dF9kbWFfbWFzayhwZGV2LCBETUFfQklUX01BU0soMzkpKSkKPiAtCQlwY2lfc2V0X2NvbnNpc3Rl bnRfZG1hX21hc2socGRldiwgRE1BX0JJVF9NQVNLKDM5KSk7Cj4gKwllcnIgPSBwY2lfc2V0X2Rt YV9tYXNrKHBkZXYsIERNQV9CSVRfTUFTSygzOSkpOwo+ICsJaWYgKCFlcnIpCj4gKwkJZXJyID0g cGNpX3NldF9jb25zaXN0ZW50X2RtYV9tYXNrKHBkZXYsIERNQV9CSVRfTUFTSygzOSkpOwo+ICsJ aWYgKGVycikKPiArCQlEUk1fRVJST1IoIkNhbid0IHNldCBETUEgbWFzay9jb25zaXN0ZW50IG1h c2sgKCVkKVxuIiwgZXJyKTsKPiAgCj4gIAlwY2lfcmVhZF9jb25maWdfd29yZChwZGV2LCBTTkJf R01DSF9DVFJMLCAmc25iX2dtY2hfY3RsKTsKPiAgCj4gQEAgLTI3OTAsNiArMjc5NCw3IEBAIHN0 YXRpYyBpbnQgZ2VuNl9nbWNoX3Byb2JlKHN0cnVjdCBpOTE1X2dndHQgKmdndHQpCj4gIAlzdHJ1 Y3QgcGNpX2RldiAqcGRldiA9IGRldl9wcml2LT5kcm0ucGRldjsKPiAgCXVuc2lnbmVkIGludCBz aXplOwo+ICAJdTE2IHNuYl9nbWNoX2N0bDsKPiArCWludCBlcnI7Cj4gIAo+ICAJZ2d0dC0+bWFw cGFibGVfYmFzZSA9IHBjaV9yZXNvdXJjZV9zdGFydChwZGV2LCAyKTsKPiAgCWdndHQtPm1hcHBh YmxlX2VuZCA9IHBjaV9yZXNvdXJjZV9sZW4ocGRldiwgMik7Cj4gQEAgLTI4MDIsOCArMjgwNywx MSBAQCBzdGF0aWMgaW50IGdlbjZfZ21jaF9wcm9iZShzdHJ1Y3QgaTkxNV9nZ3R0ICpnZ3R0KQo+ ICAJCXJldHVybiAtRU5YSU87Cj4gIAl9Cj4gIAo+IC0JaWYgKCFwY2lfc2V0X2RtYV9tYXNrKHBk ZXYsIERNQV9CSVRfTUFTSyg0MCkpKQo+IC0JCXBjaV9zZXRfY29uc2lzdGVudF9kbWFfbWFzayhw ZGV2LCBETUFfQklUX01BU0soNDApKTsKPiArCWVyciA9IHBjaV9zZXRfZG1hX21hc2socGRldiwg RE1BX0JJVF9NQVNLKDQwKSk7Cj4gKwlpZiAoIWVycikKPiArCQllcnIgPSBwY2lfc2V0X2NvbnNp c3RlbnRfZG1hX21hc2socGRldiwgRE1BX0JJVF9NQVNLKDQwKSk7Cj4gKwlpZiAoZXJyKQo+ICsJ CURSTV9FUlJPUigiQ2FuJ3Qgc2V0IERNQSBtYXNrL2NvbnNpc3RlbnQgbWFzayAoJWQpXG4iLCBl cnIpOwo+ICAJcGNpX3JlYWRfY29uZmlnX3dvcmQocGRldiwgU05CX0dNQ0hfQ1RSTCwgJnNuYl9n bWNoX2N0bCk7Cj4gIAo+ICAJZ2d0dC0+c3RvbGVuX3NpemUgPSBnZW42X2dldF9zdG9sZW5fc2l6 ZShzbmJfZ21jaF9jdGwpOwoKLS0gCkphbmkgTmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNo bm9sb2d5IENlbnRlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngK