From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 4/8] drm/i915: Check error return when setting DMA mask Date: Wed, 26 Apr 2017 17:04:40 +0300 Message-ID: <87y3uns1s7.fsf@intel.com> References: <1493214013-15580-1-git-send-email-imre.deak@intel.com> <1493214013-15580-5-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 mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1AAF36E3FC for ; Wed, 26 Apr 2017 14:02:22 +0000 (UTC) In-Reply-To: <1493214013-15580-5-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+IFNpZ25lZC1vZmYtYnk6IEltcmUgRGVhayA8aW1yZS5kZWFrQGludGVsLmNvbT4KPiAtLS0K PiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fZ3R0LmMgfCAxNCArKysrKysrKysrLS0t LQo+ICAxIGZpbGUgY2hhbmdlZCwgMTAgaW5zZXJ0aW9ucygrKSwgNCBkZWxldGlvbnMoLSkKPgo+ IGRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYyBiL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jCj4gaW5kZXggOGJhYjRhZS4uMTNiZjA5OSAx MDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9ndHQuYwo+ICsrKyBi L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX2d0dC5jCj4gQEAgLTI3NDEsMTMgKzI3NDEs MTYgQEAgc3RhdGljIGludCBnZW44X2dtY2hfcHJvYmUoc3RydWN0IGk5MTVfZ2d0dCAqZ2d0dCkK PiAgCXN0cnVjdCBwY2lfZGV2ICpwZGV2ID0gZGV2X3ByaXYtPmRybS5wZGV2Owo+ICAJdW5zaWdu ZWQgaW50IHNpemU7Cj4gIAl1MTYgc25iX2dtY2hfY3RsOwo+ICsJaW50IGVycjsKPiAgCj4gIAkv KiBUT0RPOiBXZSdyZSBub3QgYXdhcmUgb2YgbWFwcGFibGUgY29uc3RyYWludHMgb24gZ2VuOCB5 ZXQgKi8KPiAgCWdndHQtPm1hcHBhYmxlX2Jhc2UgPSBwY2lfcmVzb3VyY2Vfc3RhcnQocGRldiwg Mik7Cj4gIAlnZ3R0LT5tYXBwYWJsZV9lbmQgPSBwY2lfcmVzb3VyY2VfbGVuKHBkZXYsIDIpOwo+ ICAKPiAtCWlmICghcGNpX3NldF9kbWFfbWFzayhwZGV2LCBETUFfQklUX01BU0soMzkpKSkKPiAt CQlwY2lfc2V0X2NvbnNpc3RlbnRfZG1hX21hc2socGRldiwgRE1BX0JJVF9NQVNLKDM5KSk7Cj4g KwlpZiAoIShlcnIgPSBwY2lfc2V0X2RtYV9tYXNrKHBkZXYsIERNQV9CSVRfTUFTSygzOSkpKSkK ClBsZWFzZSBzcGxpdCBvdXQgdGhlIGFzc2lnbm1lbnQgdG8gYSBsaW5lIG9mIGl0cyBvd24sIGlu IGJvdGggcGxhY2VzLgoKQlIsCkphbmkuCgo+ICsJCWVyciA9IHBjaV9zZXRfY29uc2lzdGVudF9k bWFfbWFzayhwZGV2LCBETUFfQklUX01BU0soMzkpKTsKPiArCWlmIChlcnIpCj4gKwkJRFJNX0VS Uk9SKCJDYW4ndCBzZXQgRE1BIG1hc2svY29uc2lzdGVudCBtYXNrICglZClcbiIsIGVycik7Cj4g IAo+ICAJcGNpX3JlYWRfY29uZmlnX3dvcmQocGRldiwgU05CX0dNQ0hfQ1RSTCwgJnNuYl9nbWNo X2N0bCk7Cj4gIAo+IEBAIC0yNzkwLDYgKzI3OTMsNyBAQCBzdGF0aWMgaW50IGdlbjZfZ21jaF9w cm9iZShzdHJ1Y3QgaTkxNV9nZ3R0ICpnZ3R0KQo+ICAJc3RydWN0IHBjaV9kZXYgKnBkZXYgPSBk ZXZfcHJpdi0+ZHJtLnBkZXY7Cj4gIAl1bnNpZ25lZCBpbnQgc2l6ZTsKPiAgCXUxNiBzbmJfZ21j aF9jdGw7Cj4gKwlpbnQgZXJyOwo+ICAKPiAgCWdndHQtPm1hcHBhYmxlX2Jhc2UgPSBwY2lfcmVz b3VyY2Vfc3RhcnQocGRldiwgMik7Cj4gIAlnZ3R0LT5tYXBwYWJsZV9lbmQgPSBwY2lfcmVzb3Vy Y2VfbGVuKHBkZXYsIDIpOwo+IEBAIC0yODAyLDggKzI4MDYsMTAgQEAgc3RhdGljIGludCBnZW42 X2dtY2hfcHJvYmUoc3RydWN0IGk5MTVfZ2d0dCAqZ2d0dCkKPiAgCQlyZXR1cm4gLUVOWElPOwo+ ICAJfQo+ICAKPiAtCWlmICghcGNpX3NldF9kbWFfbWFzayhwZGV2LCBETUFfQklUX01BU0soNDAp KSkKPiAtCQlwY2lfc2V0X2NvbnNpc3RlbnRfZG1hX21hc2socGRldiwgRE1BX0JJVF9NQVNLKDQw KSk7Cj4gKwlpZiAoIShlcnIgPSBwY2lfc2V0X2RtYV9tYXNrKHBkZXYsIERNQV9CSVRfTUFTSyg0 MCkpKSkKPiArCQllcnIgPSBwY2lfc2V0X2NvbnNpc3RlbnRfZG1hX21hc2socGRldiwgRE1BX0JJ VF9NQVNLKDQwKSk7Cj4gKwlpZiAoZXJyKQo+ICsJCURSTV9FUlJPUigiQ2FuJ3Qgc2V0IERNQSBt YXNrL2NvbnNpc3RlbnQgbWFzayAoJWQpXG4iLCBlcnIpOwo+ICAJcGNpX3JlYWRfY29uZmlnX3dv cmQocGRldiwgU05CX0dNQ0hfQ1RSTCwgJnNuYl9nbWNoX2N0bCk7Cj4gIAo+ICAJZ2d0dC0+c3Rv bGVuX3NpemUgPSBnZW42X2dldF9zdG9sZW5fc2l6ZShzbmJfZ21jaF9jdGwpOwoKLS0gCkphbmkg TmlrdWxhLCBJbnRlbCBPcGVuIFNvdXJjZSBUZWNobm9sb2d5IENlbnRlcgpfX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0 CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK