From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marcel Ziswiler Subject: Re: [PATCH 3/3] drm/tegra: fb: Implement ->fb_mmap() callback Date: Thu, 8 Feb 2018 00:52:15 +0000 Message-ID: <1518051133.3701.93.camel@toradex.com> References: <20180207174556.25401-1-thierry.reding@gmail.com> <20180207174556.25401-3-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180207174556.25401-3-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Content-Language: en-US Content-ID: Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org" Cc: "stefan-XLVq0VzYD2Y@public.gmane.org" , "dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , "linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCAyMDE4LTAyLTA3IGF0IDE4OjQ1ICswMTAwLCBUaGllcnJ5IFJlZGluZyB3cm90ZToN Cj4gRnJvbTogVGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4NCj4gDQo+IFRoaXMg Zml4ZXMgaGFuZ3Mgd2l0aCBsZWdhY3kgYXBwbGljYXRpb25zIHRoYXQgdXNlIHRoZSBtbWFwKCkg c3lzY2FsbA0KPiBvbg0KPiB0aGUgZmJkZXYgZGV2aWNlIHRvIG1hcCBmcmFtZWJ1ZmZlciBtZW1v cnkuIFRoZSBmYmRldiBpbXBsZW1lbnRhdGlvbg0KPiBmb3INCj4gbW1hcCgpIGNyZWF0ZXMgYSBt YXBwaW5nIHRoYXQgY29uZmxpY3RzIHdpdGggRFJNIHVzYWdlIGFuZCBjYXVzZXMgYQ0KPiBoYW5n DQo+IHdoZW4gdGhlIG1lbW9yeSBpcyBhY2Nlc3NlZCB0aHJvdWdoIHRoZSBtYXBwaW5nLg0KDQpX aXRoIHRoYXQgbGVnYWN5IFF0NGUgYXBwbGljYXRpb25zIHJ1biBqdXN0IGZpbmUgbm93IG9uIEFw YWxpcyBUSzENCnJ1bm5pbmcgTGludXgga2VybmVsIDQuMTQuMTguDQoNClRoYW5rcywgVGhpZXJy eSENCg0KVGVzdGVkLWJ5OiBNYXJjZWwgWmlzd2lsZXIgPG1hcmNlbC56aXN3aWxlckB0b3JhZGV4 LmNvbT4NCg0KUmVwb3J0ZWQtYnk6IE1hcmNlbCBaaXN3aWxlciA8bWFyY2VsLnppc3dpbGVyQHRv cmFkZXguY29tPg0KPiBTaWduZWQtb2ZmLWJ5OiBUaGllcnJ5IFJlZGluZyA8dHJlZGluZ0Budmlk aWEuY29tPg0KPiAtLS0NCj4gIGRyaXZlcnMvZ3B1L2RybS90ZWdyYS9mYi5jIHwgMTYgKysrKysr KysrKysrKysrKw0KPiAgMSBmaWxlIGNoYW5nZWQsIDE2IGluc2VydGlvbnMoKykNCj4gDQo+IGRp ZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vdGVncmEvZmIuYyBiL2RyaXZlcnMvZ3B1L2RybS90 ZWdyYS9mYi5jDQo+IGluZGV4IDAwMWNiNzdlMmY1OS4uMDc4NjE1OWVkZWYzIDEwMDY0NA0KPiAt LS0gYS9kcml2ZXJzL2dwdS9kcm0vdGVncmEvZmIuYw0KPiArKysgYi9kcml2ZXJzL2dwdS9kcm0v dGVncmEvZmIuYw0KPiBAQCAtMjI0LDEyICsyMjQsMjggQEAgc3RydWN0IGRybV9mcmFtZWJ1ZmZl ciAqdGVncmFfZmJfY3JlYXRlKHN0cnVjdA0KPiBkcm1fZGV2aWNlICpkcm0sDQo+ICB9DQo+ICAN Cj4gICNpZmRlZiBDT05GSUdfRFJNX0ZCREVWX0VNVUxBVElPTg0KPiArc3RhdGljIGludCB0ZWdy YV9mYl9tbWFwKHN0cnVjdCBmYl9pbmZvICppbmZvLCBzdHJ1Y3Qgdm1fYXJlYV9zdHJ1Y3QNCj4g KnZtYSkNCj4gK3sNCj4gKwlzdHJ1Y3QgZHJtX2ZiX2hlbHBlciAqaGVscGVyID0gaW5mby0+cGFy Ow0KPiArCXN0cnVjdCB0ZWdyYV9ibyAqYm87DQo+ICsJaW50IGVycjsNCj4gKw0KPiArCWJvID0g dGVncmFfZmJfZ2V0X3BsYW5lKGhlbHBlci0+ZmIsIDApOw0KPiArDQo+ICsJZXJyID0gZHJtX2dl bV9tbWFwX29iaigmYm8tPmdlbSwgYm8tPmdlbS5zaXplLCB2bWEpOw0KPiArCWlmIChlcnIgPCAw KQ0KPiArCQlyZXR1cm4gZXJyOw0KPiArDQo+ICsJcmV0dXJuIF9fdGVncmFfZ2VtX21tYXAoJmJv LT5nZW0sIHZtYSk7DQo+ICt9DQo+ICsNCj4gIHN0YXRpYyBzdHJ1Y3QgZmJfb3BzIHRlZ3JhX2Zi X29wcyA9IHsNCj4gIAkub3duZXIgPSBUSElTX01PRFVMRSwNCj4gIAlEUk1fRkJfSEVMUEVSX0RF RkFVTFRfT1BTLA0KPiAgCS5mYl9maWxscmVjdCA9IGRybV9mYl9oZWxwZXJfc3lzX2ZpbGxyZWN0 LA0KPiAgCS5mYl9jb3B5YXJlYSA9IGRybV9mYl9oZWxwZXJfc3lzX2NvcHlhcmVhLA0KPiAgCS5m Yl9pbWFnZWJsaXQgPSBkcm1fZmJfaGVscGVyX3N5c19pbWFnZWJsaXQsDQo+ICsJLmZiX21tYXAg PSB0ZWdyYV9mYl9tbWFwLA0KPiAgfTsNCj4gIA0KPiAgc3RhdGljIGludCB0ZWdyYV9mYmRldl9w cm9iZShzdHJ1Y3QgZHJtX2ZiX2hlbHBlciAqaGVscGVyLA==