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Fri, 10 May 2019 18:31:03 +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 DC8B431; Fri, 10 May 2019 16:31:01 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag5node2.st.com [10.75.127.14]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 7D97A2C7B; Fri, 10 May 2019 16:31:01 +0000 (GMT) Received: from SFHDAG6NODE3.st.com (10.75.127.18) by SFHDAG5NODE2.st.com (10.75.127.14) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Fri, 10 May 2019 18:31:01 +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, 10 May 2019 18:31:01 +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: dsi: check hardware version Thread-Topic: [PATCH] drm/stm: dsi: check hardware version Thread-Index: AQHVB0F6WdJZvFc8KES7qWS4k2MwuKZka3YA Date: Fri, 10 May 2019 16:31:00 +0000 Message-ID: References: <1557500579-19720-1-git-send-email-yannick.fertre@st.com> In-Reply-To: <1557500579-19720-1-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: [10.75.127.47] Content-Type: text/plain; charset="utf-8" Content-ID: <80D47EC4139D2044A2187849EEE1B1A4@st.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-09_02:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQpEZWFyIFlhbm5pY2ssDQpUaGFuayB5b3UgZm9yIHlvdXIgcGF0Y2gsDQoNCkFja2VkLWJ5OiBQ aGlsaXBwZSBDb3JudSA8cGhpbGlwcGUuY29ybnVAc3QuY29tPg0KDQpEZWFyIEJlbmphbWluLA0K SWYgeW91IGFyZSBmaW5lIHdpdGggdGhpcyBwYXRjaCwgcGxlYXNlIHB1c2ggaXQgKmFmdGVyKiB0 aGUgcGF0Y2ggbmFtZWQgDQoiZHJtL3N0bTogZHNpOiBhZGQgc3VwcG9ydCBvZiBhbiBvcHRpb25h bCByZWd1bGF0b3IiIChpZiBJIHdlbGwgDQp1bmRlcnN0b29kIHRob3NlIHR3byBwYXRjaGVzKQ0K DQpUaGFuayB5b3UNClBoaWxpcHBlIDotKQ0KDQoNCk9uIDUvMTAvMTkgNTowMiBQTSwgWWFubmlj ayBGZXJ0csOpIHdyb3RlOg0KPiBDaGVjayB2ZXJzaW9uIG9mIERTSSBoYXJkd2FyZSBJUC4gT25s eSB2ZXJzaW9ucyAxLjMwICYgMS4zMQ0KPiBhcmUgc3VwcG9ydGVkLg0KPiANCj4gU2lnbmVkLW9m Zi1ieTogWWFubmljayBGZXJ0csOpIDx5YW5uaWNrLmZlcnRyZUBzdC5jb20+DQo+IC0tLQ0KPiAg IGRyaXZlcnMvZ3B1L2RybS9zdG0vZHdfbWlwaV9kc2ktc3RtLmMgfCAyNCArKysrKysrKysrKysr KysrKysrKysrKy0NCj4gICAxIGZpbGUgY2hhbmdlZCwgMjMgaW5zZXJ0aW9ucygrKSwgMSBkZWxl dGlvbigtKQ0KPiANCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9zdG0vZHdfbWlwaV9k c2ktc3RtLmMgYi9kcml2ZXJzL2dwdS9kcm0vc3RtL2R3X21pcGlfZHNpLXN0bS5jDQo+IGluZGV4 IDIyYmQwOTUuLjI5MTA1ZTkgMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9zdG0vZHdf bWlwaV9kc2ktc3RtLmMNCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL3N0bS9kd19taXBpX2RzaS1z dG0uYw0KPiBAQCAtMjI3LDcgKzIyNyw2IEBAIGR3X21pcGlfZHNpX2dldF9sYW5lX21icHModm9p ZCAqcHJpdl9kYXRhLCBjb25zdCBzdHJ1Y3QgZHJtX2Rpc3BsYXlfbW9kZSAqbW9kZSwNCj4gICAJ dTMyIHZhbDsNCj4gICANCj4gICAJLyogVXBkYXRlIGxhbmUgY2FwYWJpbGl0aWVzIGFjY29yZGlu ZyB0byBodyB2ZXJzaW9uICovDQo+IC0JZHNpLT5od192ZXJzaW9uID0gZHNpX3JlYWQoZHNpLCBE U0lfVkVSU0lPTikgJiBWRVJTSU9OOw0KPiAgIAlkc2ktPmxhbmVfbWluX2ticHMgPSBMQU5FX01J Tl9LQlBTOw0KPiAgIAlkc2ktPmxhbmVfbWF4X2ticHMgPSBMQU5FX01BWF9LQlBTOw0KPiAgIAlp ZiAoZHNpLT5od192ZXJzaW9uID09IEhXVkVSXzEzMSkgew0KPiBAQCAtMzA2LDYgKzMwNSw3IEBA IHN0YXRpYyBpbnQgZHdfbWlwaV9kc2lfc3RtX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2Ug KnBkZXYpDQo+ICAgew0KPiAgIAlzdHJ1Y3QgZGV2aWNlICpkZXYgPSAmcGRldi0+ZGV2Ow0KPiAg IAlzdHJ1Y3QgZHdfbWlwaV9kc2lfc3RtICpkc2k7DQo+ICsJc3RydWN0IGNsayAqcGNsazsNCj4g ICAJc3RydWN0IHJlc291cmNlICpyZXM7DQo+ICAgCWludCByZXQ7DQo+ICAgDQo+IEBAIC0zNDcs NiArMzQ3LDI4IEBAIHN0YXRpYyBpbnQgZHdfbWlwaV9kc2lfc3RtX3Byb2JlKHN0cnVjdCBwbGF0 Zm9ybV9kZXZpY2UgKnBkZXYpDQo+ICAgCQlnb3RvIGVycl9jbGtfZ2V0Ow0KPiAgIAl9DQo+ICAg DQo+ICsJcGNsayA9IGRldm1fY2xrX2dldChkZXYsICJwY2xrIik7DQo+ICsJaWYgKElTX0VSUihw Y2xrKSkgew0KPiArCQlyZXQgPSBQVFJfRVJSKHBjbGspOw0KPiArCQlEUk1fRVJST1IoIlVuYWJs ZSB0byBnZXQgcGVyaXBoZXJhbCBjbG9jazogJWRcbiIsIHJldCk7DQo+ICsJCWdvdG8gZXJyX2Rz aV9wcm9iZTsNCj4gKwl9DQo+ICsNCj4gKwlyZXQgPSBjbGtfcHJlcGFyZV9lbmFibGUocGNsayk7 DQo+ICsJaWYgKHJldCkgew0KPiArCQlEUk1fRVJST1IoIiVzOiBGYWlsZWQgdG8gZW5hYmxlIHBl cmlwaGVyYWwgY2xrXG4iLCBfX2Z1bmNfXyk7DQo+ICsJCWdvdG8gZXJyX2RzaV9wcm9iZTsNCj4g Kwl9DQo+ICsNCj4gKwlkc2ktPmh3X3ZlcnNpb24gPSBkc2lfcmVhZChkc2ksIERTSV9WRVJTSU9O KSAmIFZFUlNJT047DQo+ICsJY2xrX2Rpc2FibGVfdW5wcmVwYXJlKHBjbGspOw0KPiArDQo+ICsJ aWYgKGRzaS0+aHdfdmVyc2lvbiAhPSBIV1ZFUl8xMzAgJiYgZHNpLT5od192ZXJzaW9uICE9IEhX VkVSXzEzMSkgew0KPiArCQlyZXQgPSAtRU5PREVWOw0KPiArCQlEUk1fRVJST1IoImJhZCBkc2kg aGFyZHdhcmUgdmVyc2lvblxuIik7DQo+ICsJCWdvdG8gZXJyX2RzaV9wcm9iZTsNCj4gKwl9DQo+ ICsNCj4gICAJZHdfbWlwaV9kc2lfc3RtX3BsYXRfZGF0YS5iYXNlID0gZHNpLT5iYXNlOw0KPiAg IAlkd19taXBpX2RzaV9zdG1fcGxhdF9kYXRhLnByaXZfZGF0YSA9IGRzaTsNCj4gICANCj4g