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Fri, 05 Apr 2019 18:32:16 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 4677D38; Fri, 5 Apr 2019 16:32:15 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag3node2.st.com [10.75.127.8]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 21B875011; Fri, 5 Apr 2019 16:32:15 +0000 (GMT) Received: from SFHDAG6NODE3.st.com (10.75.127.18) by SFHDAG3NODE2.st.com (10.75.127.8) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 5 Apr 2019 18:32:14 +0200 Received: from SFHDAG6NODE3.st.com ([fe80::d04:5337:ab17:b6f6]) by SFHDAG6NODE3.st.com ([fe80::d04:5337:ab17:b6f6%20]) with mapi id 15.00.1347.000; Fri, 5 Apr 2019 18:32:14 +0200 From: Philippe CORNU To: Yannick FERTRE , Benjamin GAIGNARD , Vincent ABRIOU , "David Airlie" , Daniel Vetter , Maxime Coquelin , Alexandre TORGUE , "dri-devel@lists.freedesktop.org" , "linux-stm32@st-md-mailman.stormreply.com" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] drm/stm: ltdc: add modifier support Thread-Topic: [PATCH] drm/stm: ltdc: add modifier support Thread-Index: AQHU6f8o8bz7wrZU3U6xnPkTXIgfm6YtpLmA Date: Fri, 5 Apr 2019 16:32:14 +0000 Message-ID: References: <1554283514-2960-1-git-send-email-yannick.fertre@st.com> In-Reply-To: <1554283514-2960-1-git-send-email-yannick.fertre@st.com> Accept-Language: fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.75.127.45] Content-Type: text/plain; charset="utf-8" Content-ID: Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-04-05_12:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCk9uIDQvMy8xOSAxMToyNSBBTSwgWWFubmljayBGZXJ0csOpIHdyb3RlOg0KPiBTaWduZWQt b2ZmLWJ5OiBNaWNrYWVsIFJldWxpZXIgPG1pY2thZWwucmV1bGllckBzdC5jb20+DQo+IFNpZ25l ZC1vZmYtYnk6IFlhbm5pY2sgRmVydHLDqSA8eWFubmljay5mZXJ0cmVAc3QuY29tPg0KPiAtLS0N Cj4gICBkcml2ZXJzL2dwdS9kcm0vc3RtL2x0ZGMuYyB8IDIxICsrKysrKysrKysrKysrKysrKysr LQ0KPiAgIDEgZmlsZSBjaGFuZ2VkLCAyMCBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pDQo+ IA0KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL3N0bS9sdGRjLmMgYi9kcml2ZXJzL2dw dS9kcm0vc3RtL2x0ZGMuYw0KPiBpbmRleCBiMTc0MWE5Li42ZmE4ZmJjIDEwMDY0NA0KPiAtLS0g YS9kcml2ZXJzL2dwdS9kcm0vc3RtL2x0ZGMuYw0KPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vc3Rt L2x0ZGMuYw0KPiBAQCAtMjMyLDYgKzIzMiwxMSBAQCBzdGF0aWMgY29uc3QgZW51bSBsdGRjX3Bp eF9mbXQgbHRkY19waXhfZm10X2ExW05CX1BGXSA9IHsNCj4gICAJUEZfQVJHQjQ0NDQJCS8qIDB4 MDcgKi8NCj4gICB9Ow0KPiAgIA0KPiArc3RhdGljIGNvbnN0IHU2NCBsdGRjX2Zvcm1hdF9tb2Rp ZmllcnNbXSA9IHsNCj4gKwlEUk1fRk9STUFUX01PRF9MSU5FQVIsDQo+ICsJRFJNX0ZPUk1BVF9N T0RfSU5WQUxJRA0KPiArfTsNCj4gKw0KPiAgIHN0YXRpYyBpbmxpbmUgdTMyIHJlZ19yZWFkKHZv aWQgX19pb21lbSAqYmFzZSwgdTMyIHJlZykNCj4gICB7DQo+ICAgCXJldHVybiByZWFkbF9yZWxh eGVkKGJhc2UgKyByZWcpOw0KPiBAQCAtODY0LDYgKzg2OSwxNiBAQCBzdGF0aWMgdm9pZCBsdGRj X3BsYW5lX2F0b21pY19wcmludF9zdGF0ZShzdHJ1Y3QgZHJtX3ByaW50ZXIgKnAsDQo+ICAgCWZw c2ktPmNvdW50ZXIgPSAwOw0KPiAgIH0NCj4gICANCj4gK3N0YXRpYyBib29sIGx0ZGNfcGxhbmVf Zm9ybWF0X21vZF9zdXBwb3J0ZWQoc3RydWN0IGRybV9wbGFuZSAqcGxhbmUsDQo+ICsJCQkJCSAg ICB1MzIgZm9ybWF0LA0KPiArCQkJCQkgICAgdTY0IG1vZGlmaWVyKQ0KPiArew0KPiArCWlmICht b2RpZmllciA9PSBEUk1fRk9STUFUX01PRF9MSU5FQVIpDQo+ICsJCXJldHVybiB0cnVlOw0KPiAr DQo+ICsJcmV0dXJuIGZhbHNlOw0KPiArfQ0KPiArDQo+ICAgc3RhdGljIGNvbnN0IHN0cnVjdCBk cm1fcGxhbmVfZnVuY3MgbHRkY19wbGFuZV9mdW5jcyA9IHsNCj4gICAJLnVwZGF0ZV9wbGFuZSA9 IGRybV9hdG9taWNfaGVscGVyX3VwZGF0ZV9wbGFuZSwNCj4gICAJLmRpc2FibGVfcGxhbmUgPSBk cm1fYXRvbWljX2hlbHBlcl9kaXNhYmxlX3BsYW5lLA0KPiBAQCAtODcyLDYgKzg4Nyw3IEBAIHN0 YXRpYyBjb25zdCBzdHJ1Y3QgZHJtX3BsYW5lX2Z1bmNzIGx0ZGNfcGxhbmVfZnVuY3MgPSB7DQo+ ICAgCS5hdG9taWNfZHVwbGljYXRlX3N0YXRlID0gZHJtX2F0b21pY19oZWxwZXJfcGxhbmVfZHVw bGljYXRlX3N0YXRlLA0KPiAgIAkuYXRvbWljX2Rlc3Ryb3lfc3RhdGUgPSBkcm1fYXRvbWljX2hl bHBlcl9wbGFuZV9kZXN0cm95X3N0YXRlLA0KPiAgIAkuYXRvbWljX3ByaW50X3N0YXRlID0gbHRk Y19wbGFuZV9hdG9taWNfcHJpbnRfc3RhdGUsDQo+ICsJLmZvcm1hdF9tb2Rfc3VwcG9ydGVkID0g bHRkY19wbGFuZV9mb3JtYXRfbW9kX3N1cHBvcnRlZCwNCj4gICB9Ow0KPiAgIA0KPiAgIHN0YXRp YyBjb25zdCBzdHJ1Y3QgZHJtX3BsYW5lX2hlbHBlcl9mdW5jcyBsdGRjX3BsYW5lX2hlbHBlcl9m dW5jcyA9IHsNCj4gQEAgLTg5MCw2ICs5MDYsNyBAQCBzdGF0aWMgc3RydWN0IGRybV9wbGFuZSAq bHRkY19wbGFuZV9jcmVhdGUoc3RydWN0IGRybV9kZXZpY2UgKmRkZXYsDQo+ICAgCXVuc2lnbmVk IGludCBpLCBuYl9mbXQgPSAwOw0KPiAgIAl1MzIgZm9ybWF0c1tOQl9QRiAqIDJdOw0KPiAgIAl1 MzIgZHJtX2ZtdCwgZHJtX2ZtdF9ub19hbHBoYTsNCj4gKwljb25zdCB1NjQgKm1vZGlmaWVycyA9 IGx0ZGNfZm9ybWF0X21vZGlmaWVyczsNCj4gICAJaW50IHJldDsNCj4gICANCj4gICAJLyogR2V0 IHN1cHBvcnRlZCBwaXhlbCBmb3JtYXRzICovDQo+IEBAIC05MTgsNyArOTM1LDcgQEAgc3RhdGlj IHN0cnVjdCBkcm1fcGxhbmUgKmx0ZGNfcGxhbmVfY3JlYXRlKHN0cnVjdCBkcm1fZGV2aWNlICpk ZGV2LA0KPiAgIA0KPiAgIAlyZXQgPSBkcm1fdW5pdmVyc2FsX3BsYW5lX2luaXQoZGRldiwgcGxh bmUsIHBvc3NpYmxlX2NydGNzLA0KPiAgIAkJCQkgICAgICAgJmx0ZGNfcGxhbmVfZnVuY3MsIGZv cm1hdHMsIG5iX2ZtdCwNCj4gLQkJCQkgICAgICAgTlVMTCwgdHlwZSwgTlVMTCk7DQo+ICsJCQkJ ICAgICAgIG1vZGlmaWVycywgdHlwZSwgTlVMTCk7DQo+ICAgCWlmIChyZXQgPCAwKQ0KPiAgIAkJ cmV0dXJuIE5VTEw7DQo+ICAgDQo+IEBAIC0xMTc5LDYgKzExOTYsOCBAQCBpbnQgbHRkY19sb2Fk KHN0cnVjdCBkcm1fZGV2aWNlICpkZGV2KQ0KPiAgIAkJZ290byBlcnI7DQo+ICAgCX0NCj4gICAN Cj4gKwlkZGV2LT5tb2RlX2NvbmZpZy5hbGxvd19mYl9tb2RpZmllcnMgPSB0cnVlOw0KPiArDQoN Cg0KQWNrZWQtYnk6IFBoaWxpcHBlIENvcm51IDxwaGlsaXBwZS5jb3JudUBzdC5jb20+DQoNClBo aWxpcHBlIDopDQoNCj4gICAJcmV0ID0gbHRkY19jcnRjX2luaXQoZGRldiwgY3J0Yyk7DQo+ICAg CWlmIChyZXQpIHsNCj4gICAJCURSTV9FUlJPUigiRmFpbGVkIHRvIGluaXQgY3J0Y1xuIik7DQo+ IA==