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Thu, 30 May 2019 10:44:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 93DAD6E155; Thu, 30 May 2019 10:44:03 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from EUR03-AM5-obe.outbound.protection.outlook.com (mail-eopbgr30077.outbound.protection.outlook.com [40.107.3.77]) by gabe.freedesktop.org (Postfix) with ESMTPS id BE3C46E155 for ; Thu, 30 May 2019 10:44:01 +0000 (UTC) Received: from VE1PR08MB5006.eurprd08.prod.outlook.com (10.255.159.31) by VE1PR08MB4942.eurprd08.prod.outlook.com (10.255.158.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1922.16; Thu, 30 May 2019 10:43:58 +0000 Received: from VE1PR08MB5006.eurprd08.prod.outlook.com ([fe80::206b:5cf6:97e:1358]) by VE1PR08MB5006.eurprd08.prod.outlook.com ([fe80::206b:5cf6:97e:1358%7]) with mapi id 15.20.1922.021; Thu, 30 May 2019 10:43:58 +0000 From: "james qian wang (Arm Technology China)" To: Liviu Dudau , "airlied@linux.ie" , Brian Starkey , "maarten.lankhorst@linux.intel.com" , "sean@poorly.run" Subject: [PATCH 0/2] drm/komeda: Add writeback downscaling split support Thread-Topic: [PATCH 0/2] drm/komeda: Add writeback downscaling split support Thread-Index: AQHVFtSWfnHeHgfsa0Wgx/8gmSiP5A== Date: Thu, 30 May 2019 10:43:58 +0000 Message-ID: <20190530104335.2395-1-james.qian.wang@arm.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [113.29.88.7] x-clientproxiedby: HK2PR04CA0069.apcprd04.prod.outlook.com (2603:1096:202:15::13) To VE1PR08MB5006.eurprd08.prod.outlook.com (2603:10a6:803:113::31) x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 3b90f080-5868-457a-202e-08d6e4ebb865 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; 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a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector2-armh-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=VDyy5oM6CejoAPXC8eRyn4WaMFvf43wM9mhb2FcfdTE=; b=wXKeDR6cPpg0DSyLhv3tNPpaxW1KGrUgGtLoRN2aJfx7iDVWB1lswpugBb9/s3JKKh1IGEyDKHERxfNlKC2EXhdjfqwgECyuwdFPmX6MeT5kCftulesVs4jdZr/da9d0X+1+pT6dp71RHIf48of8ebP2N1NLNjmnjEVOPGCjtHw= X-Mailman-Original-Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=james.qian.wang@arm.com; X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nd , Ayan Halder , "Oscar Zhang \(Arm Technology China\)" , "Tiannan Zhu \(Arm Technology China\)" , "Jonathan Chai \(Arm Technology China\)" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "Julien Yin \(Arm Technology China\)" , "Channing Chen \(Arm Technology China\)" , "james qian wang \(Arm Technology China\)" , "Yiqi Kang \(Arm Technology China\)" , "thomas Sun \(Arm Technology China\)" , "Lowry Li \(Arm Technology China\)" , Ben Davis Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP Writeback split is also for workaround the size limitation of d71 scaler. Like layer_split, writeback downscaling also can use two scalers to handle the scaling half-by-half. The only differnence is writback needs a standalone component (splitter)'s help to split the composition result. The data pipeline of writeback split as below: /-> scaler-0 ->\ compiz -> splitter merger -> wb_layer -> memory \-> scaler-1 ->/ Depends on: - https://patchwork.freedesktop.org/series/58710/ - https://patchwork.freedesktop.org/series/59000/ - https://patchwork.freedesktop.org/series/59002/ - https://patchwork.freedesktop.org/series/59747/ - https://patchwork.freedesktop.org/series/59915/ - https://patchwork.freedesktop.org/series/60083/ - https://patchwork.freedesktop.org/series/60698/ - https://patchwork.freedesktop.org/series/60856/ - https://patchwork.freedesktop.org/series/60893/ - https://patchwork.freedesktop.org/series/61370/ James Qian Wang (Arm Technology China) (2): drm/komeda: Add new component komeda_splitter drm/komeda: Enable writeback split support .../arm/display/komeda/d71/d71_component.c | 63 ++++++++++ .../drm/arm/display/komeda/komeda_pipeline.c | 3 + .../drm/arm/display/komeda/komeda_pipeline.h | 23 +++- .../display/komeda/komeda_pipeline_state.c | 117 ++++++++++++++++-- .../arm/display/komeda/komeda_private_obj.c | 50 ++++++++ .../arm/display/komeda/komeda_wb_connector.c | 17 ++- 6 files changed, 257 insertions(+), 16 deletions(-) --- 2.17.1