From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A618C3F68F for ; Thu, 2 Jan 2020 07:32:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3672F215A4 for ; Thu, 2 Jan 2020 07:32:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="ptTe+t9w" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727709AbgABHcJ (ORCPT ); Thu, 2 Jan 2020 02:32:09 -0500 Received: from mailgw02.mediatek.com ([1.203.163.81]:7233 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726078AbgABHcI (ORCPT ); Thu, 2 Jan 2020 02:32:08 -0500 X-UUID: 61fee457429949338280c00d953cb770-20200102 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:MIME-Version:Content-Type:References:In-Reply-To:Date:CC:To:From:Subject:Message-ID; bh=PCH3d6ww20Xcb8eTPquPc5VeMWFXLY/lz4kI3WEDJSA=; b=ptTe+t9wX5cT1eWh3tiaue7/s4w9FkX1JQb8KxZBigS6kJse9P2T4KR3L0eHGs5VUFHm/YaEfqd6GLqgDhgtbM+3zw1iCR7M/krCX5FSpcEpIqZzHgtKZKK/TnuGrDD+AZnbY6zSt42qEiYp5dIbckAD5WUpKeu2ODPR56bxrd4=; X-UUID: 61fee457429949338280c00d953cb770-20200102 Received: from mtkcas34.mediatek.inc [(172.27.4.253)] by mailgw02.mediatek.com (envelope-from ) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 1369051708; Thu, 02 Jan 2020 15:32:00 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by MTKMBS31N2.mediatek.inc (172.27.4.87) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Thu, 2 Jan 2020 15:30:51 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Thu, 2 Jan 2020 15:32:24 +0800 Message-ID: <1577950317.12633.3.camel@mtksdaap41> Subject: Re: [PATCH v6, 13/14] drm/mediatek: add fifo_size into rdma private data From: CK Hu To: Yongqiang Niu CC: Philipp Zabel , Rob Herring , Matthias Brugger , "David Airlie" , Daniel Vetter , Mark Rutland , , , , , Date: Thu, 2 Jan 2020 15:31:57 +0800 In-Reply-To: <1577943764.15116.3.camel@mhfsdcap03> References: <1577937624-14313-1-git-send-email-yongqiang.niu@mediatek.com> <1577937624-14313-14-git-send-email-yongqiang.niu@mediatek.com> <1577942440.24650.5.camel@mtksdaap41> <1577943764.15116.3.camel@mhfsdcap03> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 235C97CA29A4272D17AFBE5A53C10D0B4DF8A318DC6B8E23D5887A814BBD57882000:8 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGksIFlvbmdxaWFuZzoNCg0KT24gVGh1LCAyMDIwLTAxLTAyIGF0IDEzOjQyICswODAwLCBZb25n cWlhbmcgTml1IHdyb3RlOg0KPiBPbiBUaHUsIDIwMjAtMDEtMDIgYXQgMTM6MjAgKzA4MDAsIENL IEh1IHdyb3RlOg0KPiA+IEhpLCBZb25ncWlhbmc6DQo+ID4gDQo+ID4gT24gVGh1LCAyMDIwLTAx LTAyIGF0IDEyOjAwICswODAwLCBZb25ncWlhbmcgTml1IHdyb3RlOg0KPiA+ID4gdGhlIGZpZm8g c2l6ZSBvZiByZG1hIGluIG10ODE4MyBpcyBkaWZmZXJlbnQuDQo+ID4gPiByZG1hMCBmaWZvIHNp emUgaXMgNWsNCj4gPiA+IHJkbWExIGZpZm8gc2l6ZSBpcyAyaw0KPiA+ID4gDQo+ID4gPiBTaWdu ZWQtb2ZmLWJ5OiBZb25ncWlhbmcgTml1IDx5b25ncWlhbmcubml1QG1lZGlhdGVrLmNvbT4NCj4g PiA+IC0tLQ0KPiA+ID4gIGRyaXZlcnMvZ3B1L2RybS9tZWRpYXRlay9tdGtfZGlzcF9yZG1hLmMg fCAyMSArKysrKysrKysrKysrKysrKysrKy0NCj4gPiA+ICAxIGZpbGUgY2hhbmdlZCwgMjAgaW5z ZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQ0KPiA+ID4gDQo+ID4gPiBkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL21lZGlhdGVrL210a19kaXNwX3JkbWEuYyBiL2RyaXZlcnMvZ3B1L2RybS9t ZWRpYXRlay9tdGtfZGlzcF9yZG1hLmMNCj4gPiA+IGluZGV4IDQwNWFmZWYuLjY5MTQ4MGIgMTAw NjQ0DQo+ID4gPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2Rpc3BfcmRtYS5j DQo+ID4gPiArKysgYi9kcml2ZXJzL2dwdS9kcm0vbWVkaWF0ZWsvbXRrX2Rpc3BfcmRtYS5jDQo+ ID4gPiBAQCAtNjIsNiArNjIsNyBAQCBzdHJ1Y3QgbXRrX2Rpc3BfcmRtYSB7DQo+ID4gPiAgCXN0 cnVjdCBtdGtfZGRwX2NvbXAJCWRkcF9jb21wOw0KPiA+ID4gIAlzdHJ1Y3QgZHJtX2NydGMJCQkq Y3J0YzsNCj4gPiA+ICAJY29uc3Qgc3RydWN0IG10a19kaXNwX3JkbWFfZGF0YQkqZGF0YTsNCj4g PiA+ICsJdTMyCQkJCWZpZm9fc2l6ZTsNCj4gPiA+ICB9Ow0KPiA+ID4gIA0KPiA+ID4gIHN0YXRp YyBpbmxpbmUgc3RydWN0IG10a19kaXNwX3JkbWEgKmNvbXBfdG9fcmRtYShzdHJ1Y3QgbXRrX2Rk cF9jb21wICpjb21wKQ0KPiA+ID4gQEAgLTEzMCwxMCArMTMxLDE2IEBAIHN0YXRpYyB2b2lkIG10 a19yZG1hX2NvbmZpZyhzdHJ1Y3QgbXRrX2RkcF9jb21wICpjb21wLCB1bnNpZ25lZCBpbnQgd2lk dGgsDQo+ID4gPiAgCXVuc2lnbmVkIGludCB0aHJlc2hvbGQ7DQo+ID4gPiAgCXVuc2lnbmVkIGlu dCByZWc7DQo+ID4gPiAgCXN0cnVjdCBtdGtfZGlzcF9yZG1hICpyZG1hID0gY29tcF90b19yZG1h KGNvbXApOw0KPiA+ID4gKwl1MzIgcmRtYV9maWZvX3NpemU7DQo+ID4gPiAgDQo+ID4gPiAgCXJk bWFfdXBkYXRlX2JpdHMoY29tcCwgRElTUF9SRUdfUkRNQV9TSVpFX0NPTl8wLCAweGZmZiwgd2lk dGgpOw0KPiA+ID4gIAlyZG1hX3VwZGF0ZV9iaXRzKGNvbXAsIERJU1BfUkVHX1JETUFfU0laRV9D T05fMSwgMHhmZmZmZiwgaGVpZ2h0KTsNCj4gPiA+ICANCj4gPiA+ICsJaWYgKHJkbWEtPmZpZm9f c2l6ZSkNCj4gPiA+ICsJCXJkbWFfZmlmb19zaXplID0gcmRtYS0+Zmlmb19zaXplOw0KPiA+ID4g KwllbHNlDQo+ID4gPiArCQlyZG1hX2ZpZm9fc2l6ZSA9IFJETUFfRklGT19TSVpFKHJkbWEpOw0K PiA+ID4gKw0KPiA+ID4gIAkvKg0KPiA+ID4gIAkgKiBFbmFibGUgRklGTyB1bmRlcmZsb3cgc2lu Y2UgRFNJIGFuZCBEUEkgY2FuJ3QgYmUgYmxvY2tlZC4NCj4gPiA+ICAJICogS2VlcCB0aGUgRklG TyBwc2V1ZG8gc2l6ZSByZXNldCBkZWZhdWx0IG9mIDggS2lCLiBTZXQgdGhlDQo+ID4gPiBAQCAt MTQyLDcgKzE0OSw3IEBAIHN0YXRpYyB2b2lkIG10a19yZG1hX2NvbmZpZyhzdHJ1Y3QgbXRrX2Rk cF9jb21wICpjb21wLCB1bnNpZ25lZCBpbnQgd2lkdGgsDQo+ID4gPiAgCSAqLw0KPiA+ID4gIAl0 aHJlc2hvbGQgPSB3aWR0aCAqIGhlaWdodCAqIHZyZWZyZXNoICogNCAqIDcgLyAxMDAwMDAwOw0K PiA+ID4gIAlyZWcgPSBSRE1BX0ZJRk9fVU5ERVJGTE9XX0VOIHwNCj4gPiA+IC0JICAgICAgUkRN QV9GSUZPX1BTRVVET19TSVpFKFJETUFfRklGT19TSVpFKHJkbWEpKSB8DQo+ID4gPiArCSAgICAg IFJETUFfRklGT19QU0VVRE9fU0laRShyZG1hX2ZpZm9fc2l6ZSkgfA0KPiA+ID4gIAkgICAgICBS RE1BX09VVFBVVF9WQUxJRF9GSUZPX1RIUkVTSE9MRCh0aHJlc2hvbGQpOw0KPiA+ID4gIAl3cml0 ZWwocmVnLCBjb21wLT5yZWdzICsgRElTUF9SRUdfUkRNQV9GSUZPX0NPTik7DQo+ID4gPiAgfQ0K PiA+ID4gQEAgLTI4NCw2ICsyOTEsMTggQEAgc3RhdGljIGludCBtdGtfZGlzcF9yZG1hX3Byb2Jl KHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpDQo+ID4gPiAgCQlyZXR1cm4gY29tcF9pZDsN Cj4gPiA+ICAJfQ0KPiA+ID4gIA0KPiA+ID4gKwlpZiAob2ZfZmluZF9wcm9wZXJ0eShkZXYtPm9m X25vZGUsICJtZWRpYXRlayxyZG1hX2ZpZm9fc2l6ZSIsICZyZXQpKSB7DQo+ID4gDQo+ID4gIm1l ZGlhdGVrLHJkbWFfZmlmb19zaXplIiBkb2VzIG5vdCBleGlzdHMgaW4gYmluZGluZyBkb2N1bWVu dC4NCj4gPiANCj4gPiA+ICsJCXJldCA9IG9mX3Byb3BlcnR5X3JlYWRfdTMyKGRldi0+b2Zfbm9k ZSwNCj4gPiA+ICsJCQkJCSAgICJtZWRpYXRlayxyZG1hX2ZpZm9fc2l6ZSIsDQo+ID4gPiArCQkJ CQkgICAmcHJpdi0+Zmlmb19zaXplKTsNCj4gPiA+ICsJCWlmIChyZXQpIHsNCj4gPiA+ICsJCQlk ZXZfZXJyKGRldiwgIkZhaWxlZCB0byBnZXQgcmRtYSBmaWZvIHNpemVcbiIpOw0KPiA+ID4gKwkJ CXJldHVybiByZXQ7DQo+ID4gPiArCQl9DQo+ID4gPiArDQo+ID4gPiArCQlwcml2LT5maWZvX3Np emUgKj0gU1pfMUs7DQo+ID4gDQo+ID4gV2h5IG5vdCBkZWZpbmUgZmlmb19zaXplIGluICdieXRl cycgPw0KPiA+IA0KPiA+IFJlZ2FyZHMsDQo+ID4gQ0sNCj4gDQo+IHRoaXMgaXMgYWxpZ24gdGhl IGRlZmluaXRpb24gb2YgZmlmb19zaXplIGluIG10a19kaXNwX3JkbWFfZGF0YSwgaXQgaXMNCj4g U1pfMUssIA0KPiBhbmQgdGhlIG1hY3JvIFJETUFfRklGT19QU0VVRE9fU0laRSBjYWxjdWxhdGVk IHdpdGggU1pfMUsNCg0KSSBtZWFuIHdoeSBub3Qgc2V0IHRoZSBmaWZvIHNpemUgaW4gYnl0ZXMg aW4gZGV2aWNlIHRyZWUuIFNvIHlvdSBuZWVkDQpub3QgdG8gZG8gJyo9IFNaXzFLJyBoZXJlLiBJ IHRoaW5rIHVuaXQgb2YgZmlmbyBzaXplIGluIGtlcm5lbCBpcyBieXRlLg0KDQpSZWdhcmRzLA0K Q0sNCg0KPiA+IA0KPiA+ID4gKwl9DQo+ID4gPiArDQo+ID4gPiAgCXJldCA9IG10a19kZHBfY29t cF9pbml0KGRldiwgZGV2LT5vZl9ub2RlLCAmcHJpdi0+ZGRwX2NvbXAsIGNvbXBfaWQsDQo+ID4g PiAgCQkJCSZtdGtfZGlzcF9yZG1hX2Z1bmNzKTsNCj4gPiA+ICAJaWYgKHJldCkgew0KPiA+IA0K PiA+IA0KPiANCj4gDQoNCg==