Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp833460imu; Fri, 21 Dec 2018 08:07:04 -0800 (PST) X-Google-Smtp-Source: ALg8bN4VnPDPDu+OQpjcM1j43e3rLFPQbkLBpCwSawqSUN+NtznS7z7Z6xg0hmZMGk7D4+Hix0fi X-Received: by 2002:a63:2263:: with SMTP id t35mr2953665pgm.69.1545408424383; Fri, 21 Dec 2018 08:07:04 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1545408424; cv=none; d=google.com; s=arc-20160816; b=XnpJuyO0HsUD6bK9c9AyPGxkq3xUxseIKqREHD23l6SMUddz/iAl/xl8YO2Tc0HjEz XEx5+mIvi1gn/tU/aL008PsNo2XWDfZel3padEAHlj2y3F5ig19U6ceEw96bP1azLdK/ b5dCabaf4FRxAMxl6+Nso+Ks8fIC+zOHfacnd5zyFtt68knPjb2v3/CdPf1NzrxCW8lK b9gsNRsdEqdqZhfKVGoav1+AQBbLzpw3eeZOZjZxn4oqLDhHF1n/oWBo0mDpxIp+MXIZ kKKZTyMViAvUJ4C2ZBCiWOJQXrppYMh3IJrfN8d2LNLdNw9i6JQlqmpkqTgvmw44MTH3 xZ5g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :spamdiagnosticmetadata:spamdiagnosticoutput:nodisclaimer :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:cc:to:from:dkim-signature; bh=Au4tOnaVhgUfve33gYnpt3VEnu1TQZjb1ebp+Klu1t8=; b=o9a/KhqpcfF2bVu/QiI5ci9wn6VrPn6vTdwdljhm/ZLZLta0y7UMmIeTMbvpo5eZd0 umEH93wMPrSfMIIH+frL70GN56nfzAyinL7/IP4vYRUtJ949IZeCnWAVneNQZhYk+aJt lYhfqi7ZdRcMPgFYaAcPkFNXoILYt79YIFlxhPW6cn/9bJQ4zoBwhpZFEb7f2EeGc4Ny 4/T6uI+gfIS1hoP5BiNvHVhBq+KjkN2pp19d6bCYjgx1626jRs+dQMIWdMPW+/FEp6it L7X8cZcuLTOkbZSKSlVwfnBGXsbP1TGtQYrAiqxP94XaKK3y9x86h5D96yhH8bOXX22t QNRg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@armh.onmicrosoft.com header.s=selector1-arm-com header.b=Wga3hXry; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id i64si20830072pge.361.2018.12.21.08.06.48; Fri, 21 Dec 2018 08:07:04 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@armh.onmicrosoft.com header.s=selector1-arm-com header.b=Wga3hXry; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389293AbeLUKAZ (ORCPT + 99 others); Fri, 21 Dec 2018 05:00:25 -0500 Received: from mail-eopbgr40079.outbound.protection.outlook.com ([40.107.4.79]:64284 "EHLO EUR03-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2389267AbeLUKAY (ORCPT ); Fri, 21 Dec 2018 05:00:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=armh.onmicrosoft.com; s=selector1-arm-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=Au4tOnaVhgUfve33gYnpt3VEnu1TQZjb1ebp+Klu1t8=; b=Wga3hXrybj7wWPXHXUgKKlM9ZKZjWdRgsAdbWeqUnEDA9MpWFJG3EjSbHYCSoJun6INdXhxl6apAfqO8PhqxkoCU2fZvWkRjdTC6irl3dEkqLvr5uqWAXHFxOMFCmMP6/Z5U0SNbCpWyrz0Z3KEw99ZVDZjwzu0n+nnC6YuuVdk= Received: from AM0PR08MB4483.eurprd08.prod.outlook.com (20.179.35.149) by AM0PR08MB3187.eurprd08.prod.outlook.com (52.134.93.156) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1446.19; Fri, 21 Dec 2018 10:00:17 +0000 Received: from AM0PR08MB4483.eurprd08.prod.outlook.com ([fe80::1dff:434f:5905:45db]) by AM0PR08MB4483.eurprd08.prod.outlook.com ([fe80::1dff:434f:5905:45db%5]) with mapi id 15.20.1446.020; Fri, 21 Dec 2018 10:00:17 +0000 From: "james qian wang (Arm Technology China)" To: Liviu Dudau CC: "Jonathan Chai (Arm Technology China)" , Brian Starkey , "Julien Yin (Arm Technology China)" , "thomas Sun (Arm Technology China)" , Alexandru-Cosmin Gheorghe , "Lowry Li (Arm Technology China)" , Ayan Halder , "Tiannan Zhu (Arm Technology China)" , "Jin Gao (Arm Technology China)" , "Yiqi Kang (Arm Technology China)" , nd , "malidp@foss.arm.com" , "maarten.lankhorst@linux.intel.com" , "maxime.ripard@bootlin.com" , "sean@poorly.run" , "corbet@lwn.net" , "linux-doc@vger.kernel.org" , "rdunlap@infradead.org" , "mchehab+samsung@kernel.org" , "davem@davemloft.net" , "gregkh@linuxfoundation.org" , "akpm@linux-foundation.org" , "nicolas.ferre@microchip.com" , "arnd@arndb.de" , "robh+dt@kernel.org" , Mark Rutland , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "dri-devel@lists.freedesktop.org" , "airlied@linux.ie" , "yamada.masahiro@socionext.com" , "james qian wang (Arm Technology China)" Subject: [PATCH v3 6/9] drm/komeda: Add komeda_framebuffer Thread-Topic: [PATCH v3 6/9] drm/komeda: Add komeda_framebuffer Thread-Index: AQHUmRP5skxDANnM6EeocvoEivyStQ== Date: Fri, 21 Dec 2018 10:00:17 +0000 Message-ID: <20181221095757.15510-7-james.qian.wang@arm.com> References: <20181221095757.15510-1-james.qian.wang@arm.com> In-Reply-To: <20181221095757.15510-1-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: SY3PR01CA0099.ausprd01.prod.outlook.com (2603:10c6:0:19::32) To AM0PR08MB4483.eurprd08.prod.outlook.com (2603:10a6:208:145::21) authentication-results: spf=none (sender IP is ) smtp.mailfrom=james.qian.wang@arm.com; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;AM0PR08MB3187;6:9KAXu41KPk2aGc6i0kr5yQACa3rVSChIiJR3g87qMyjdSOgpXLrRGkHHlL9KTVckA0bmXGgJOys9n1pd/Lt3+PhdoBpGxTfUEa7n/5YmVqw/XtDdNn1r/u7FMvhVy6SO1aJj4srle4G4FuZrr/49ZRyM6zoUXN648wrRtdZp+khou7gzYKS0Kea7rcWyfH/QXLP75Yj5hGI+QoBv3WUTc/MumRnIrNYJefytu89oob4Azm5B/HJDv/Ve4jirNQKEeeN0JHmCztr3wY4dmM3IAgMuSujLXZSK9hGQbbQt/FkyvvQobXagMxsz06RMyojOvhRQmsdFm/me1zM42z7QchDaMisBrlSKv5PmAN+hQ9G8zK2mWlOc+onG3pJq7ECJf+eLmLoGjg43OnKCmpsYee9hC0PvB7hGM4niFBCEBHdw4tjB0m6XvLw52RbpOdGrHjR8HdzP9Sxl2FEGKvQp3Q==;5:9vp2S3X4OnXhS53ppL4jSrXjyTG3yaFSKY44FfCJ4T8umg0IBxgQBuOfyUZ/9b6+iFcj0xeZA/aBlyJ+QSFoAgXg5IR/T06vFxSO8BFEhWJDS6uoGKfIEpVOLujeUbqQT5qea2EJlPlbiBJQEhd2slJbVKsKNh3MGp15Bl55tJg=;7:4C6niPI8X+TugwjwWXlJxMHrQ3vJ81BXIscpRsGlD1bKZD3Uj9Yvwql8ZxkgUuu8oGXmi0DUh7bETYO7t2ZKnBSnYAnijzpNdY90UoJCxWAfMBuAOiZrOHDgDazV+WAuutnmeYb/B2T7GifQmS4KrA== x-ms-office365-filtering-correlation-id: 510db79f-7d54-404e-d8cd-08d6672b1bf2 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(7168020)(4627221)(201703031133081)(201702281549075)(8990200)(5600074)(711020)(4618075)(2017052603328)(7153060)(7193020);SRVR:AM0PR08MB3187; x-ms-traffictypediagnostic: AM0PR08MB3187: nodisclaimer: True x-microsoft-antispam-prvs: x-ms-exchange-senderadcheck: 1 x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:(8211001083)(3230021)(999002)(5005026)(6040522)(2401047)(8121501046)(3002001)(10201501046)(93006095)(93001095)(3231475)(944501520)(52105112)(6055026)(149066)(150057)(6041310)(20161123558120)(20161123564045)(20161123562045)(20161123560045)(201703131423095)(201702281528075)(20161123555045)(201703061421075)(201703061406153)(201708071742011)(7699051)(76991095);SRVR:AM0PR08MB3187;BCL:0;PCL:0;RULEID:;SRVR:AM0PR08MB3187; x-forefront-prvs: 0893636978 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(346002)(396003)(39860400002)(376002)(136003)(366004)(189003)(199004)(71200400001)(97736004)(71190400001)(103116003)(86362001)(14454004)(2906002)(5660300001)(106356001)(6116002)(105586002)(66066001)(54906003)(6636002)(3846002)(37006003)(99286004)(68736007)(478600001)(25786009)(6486002)(7736002)(36756003)(6436002)(76176011)(316002)(186003)(386003)(6506007)(55236004)(1076003)(26005)(6512007)(256004)(14444005)(6862004)(52116002)(81156014)(476003)(486006)(81166006)(7416002)(102836004)(8676002)(305945005)(2616005)(8936002)(53936002)(4326008)(446003)(11346002);DIR:OUT;SFP:1101;SCL:1;SRVR:AM0PR08MB3187;H:AM0PR08MB4483.eurprd08.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: arm.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: x2d+rg8CwUpEtpfgrA73FjVtTLlfahADLSa25hI4een1q8plv46vImAKBQYl7+UbqTVB7l1LJFzEpZJ31YgvCghF9KP6iYxjH8VBFU0EWOq+wb69StQySZ/55BvjsCaWwlhLWv7P7pb4IUJI0IFpSxbJyQIxJcroXbtwwDBOvZwoGtJhRFuqqVYDvsx6/1t4FfbXQemGTgdTmCbIb5iuQEKG0eDmfqV4ypnwl4HkmyhZ7axEtaOn3LMPrAhUpiwuszMGLmbNS0c2RzXqT5C4n0mgGAfz0qyRjf2KBEFSKPdTyFf9qP763b57Lu4ajFtt spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-Network-Message-Id: 510db79f-7d54-404e-d8cd-08d6672b1bf2 X-MS-Exchange-CrossTenant-originalarrivaltime: 21 Dec 2018 10:00:17.3181 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB3187 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org komeda_framebuffer is for extending drm_framebuffer to add komeda own attributes and komeda specific fb handling. Changes in v3: - Fixed style problem found by checkpatch.pl --strict. Signed-off-by: James (Qian) Wang --- drivers/gpu/drm/arm/display/komeda/Makefile | 3 +- .../arm/display/komeda/komeda_framebuffer.c | 165 ++++++++++++++++++ .../arm/display/komeda/komeda_framebuffer.h | 31 ++++ 3 files changed, 198 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c create mode 100644 drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h diff --git a/drivers/gpu/drm/arm/display/komeda/Makefile b/drivers/gpu/drm/= arm/display/komeda/Makefile index 394fc2aa434a..25beae900ed2 100644 --- a/drivers/gpu/drm/arm/display/komeda/Makefile +++ b/drivers/gpu/drm/arm/display/komeda/Makefile @@ -8,7 +8,8 @@ komeda-y :=3D \ komeda_drv.o \ komeda_dev.o \ komeda_format_caps.o \ - komeda_pipeline.o + komeda_pipeline.o \ + komeda_framebuffer.o =20 komeda-y +=3D \ d71/d71_dev.o diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/driv= ers/gpu/drm/arm/display/komeda/komeda_framebuffer.c new file mode 100644 index 000000000000..4ddd5314ca23 --- /dev/null +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c @@ -0,0 +1,165 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * (C) COPYRIGHT 2018 ARM Limited. All rights reserved. + * Author: James.Qian.Wang + * + */ +#include +#include +#include +#include +#include "komeda_framebuffer.h" +#include "komeda_dev.h" + +static void komeda_fb_destroy(struct drm_framebuffer *fb) +{ + struct komeda_fb *kfb =3D to_kfb(fb); + u32 i; + + for (i =3D 0; i < fb->format->num_planes; i++) + drm_gem_object_put_unlocked(fb->obj[i]); + + drm_framebuffer_cleanup(fb); + kfree(kfb); +} + +static int komeda_fb_create_handle(struct drm_framebuffer *fb, + struct drm_file *file, u32 *handle) +{ + return drm_gem_handle_create(file, fb->obj[0], handle); +} + +static const struct drm_framebuffer_funcs komeda_fb_funcs =3D { + .destroy =3D komeda_fb_destroy, + .create_handle =3D komeda_fb_create_handle, +}; + +static int +komeda_fb_none_afbc_size_check(struct komeda_dev *mdev, struct komeda_fb *= kfb, + struct drm_file *file, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct drm_framebuffer *fb =3D &kfb->base; + struct drm_gem_object *obj; + u32 min_size =3D 0; + u32 i; + + for (i =3D 0; i < fb->format->num_planes; i++) { + obj =3D drm_gem_object_lookup(file, mode_cmd->handles[i]); + if (!obj) { + DRM_DEBUG_KMS("Failed to lookup GEM object\n"); + fb->obj[i] =3D NULL; + + return -ENOENT; + } + + kfb->aligned_w =3D fb->width / (i ? fb->format->hsub : 1); + kfb->aligned_h =3D fb->height / (i ? fb->format->vsub : 1); + + if (fb->pitches[i] % mdev->chip.bus_width) { + DRM_DEBUG_KMS("Pitch[%d]: 0x%x doesn't align to 0x%x\n", + i, fb->pitches[i], mdev->chip.bus_width); + drm_gem_object_put_unlocked(obj); + fb->obj[i] =3D NULL; + + return -EINVAL; + } + + min_size =3D ((kfb->aligned_h / kfb->format_caps->tile_size - 1) + * fb->pitches[i]) + + (kfb->aligned_w * fb->format->cpp[i] + * kfb->format_caps->tile_size) + + fb->offsets[i]; + + if (obj->size < min_size) { + DRM_DEBUG_KMS("Fail to check none afbc fb size.\n"); + drm_gem_object_put_unlocked(obj); + fb->obj[i] =3D NULL; + + return -EINVAL; + } + + fb->obj[i] =3D obj; + } + + if (fb->format->num_planes =3D=3D 3) { + if (fb->pitches[1] !=3D fb->pitches[2]) { + DRM_DEBUG_KMS("The pitch[1] and [2] are not same\n"); + return -EINVAL; + } + } + + return 0; +} + +struct drm_framebuffer * +komeda_fb_create(struct drm_device *dev, struct drm_file *file, + const struct drm_mode_fb_cmd2 *mode_cmd) +{ + struct komeda_dev *mdev =3D dev->dev_private; + struct komeda_fb *kfb; + int ret =3D 0, i; + + kfb =3D kzalloc(sizeof(*kfb), GFP_KERNEL); + if (!kfb) + return ERR_PTR(-ENOMEM); + + kfb->format_caps =3D komeda_get_format_caps(&mdev->fmt_tbl, + mode_cmd->pixel_format, + mode_cmd->modifier[0]); + if (!kfb->format_caps) { + DRM_DEBUG_KMS("FMT %x is not supported.\n", + mode_cmd->pixel_format); + kfree(kfb); + return ERR_PTR(-EINVAL); + } + + drm_helper_mode_fill_fb_struct(dev, &kfb->base, mode_cmd); + + ret =3D komeda_fb_none_afbc_size_check(mdev, kfb, file, mode_cmd); + if (ret < 0) + goto err_cleanup; + + ret =3D drm_framebuffer_init(dev, &kfb->base, &komeda_fb_funcs); + if (ret < 0) { + DRM_DEBUG_KMS("failed to initialize fb\n"); + + goto err_cleanup; + } + + return &kfb->base; + +err_cleanup: + for (i =3D 0; i < kfb->base.format->num_planes; i++) + drm_gem_object_put_unlocked(kfb->base.obj[i]); + + kfree(kfb); + return ERR_PTR(ret); +} + +dma_addr_t +komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane) +{ + struct drm_framebuffer *fb =3D &kfb->base; + const struct drm_gem_cma_object *obj; + u32 plane_x, plane_y, cpp, pitch, offset; + + if (plane > fb->format->num_planes) { + DRM_DEBUG_KMS("Out of max plane num.\n"); + return -EINVAL; + } + + obj =3D drm_fb_cma_get_gem_obj(fb, plane); + + offset =3D fb->offsets[plane]; + if (!fb->modifier) { + plane_x =3D x / (plane ? fb->format->hsub : 1); + plane_y =3D y / (plane ? fb->format->vsub : 1); + cpp =3D fb->format->cpp[plane]; + pitch =3D fb->pitches[plane]; + offset +=3D plane_x * cpp * kfb->format_caps->tile_size + + (plane_y * pitch) / kfb->format_caps->tile_size; + } + + return obj->paddr + offset; +} diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h b/driv= ers/gpu/drm/arm/display/komeda/komeda_framebuffer.h new file mode 100644 index 000000000000..383780013bb9 --- /dev/null +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * (C) COPYRIGHT 2018 ARM Limited. All rights reserved. + * Author: James.Qian.Wang + * + */ +#ifndef _KOMEDA_FRAMEBUFFER_H_ +#define _KOMEDA_FRAMEBUFFER_H_ + +/** struct komeda_fb - entend drm_framebuffer with komeda attribute */ +struct komeda_fb { + /** @base: &drm_framebuffer */ + struct drm_framebuffer base; + /* @format_caps: &komeda_format_caps */ + const struct komeda_format_caps *format_caps; + /** @aligned_w: aligned frame buffer width */ + u32 aligned_w; + /** @aligned_h: aligned frame buffer height */ + u32 aligned_h; +}; + +#define to_kfb(dfb) container_of(dfb, struct komeda_fb, base) + +struct drm_framebuffer * +komeda_fb_create(struct drm_device *dev, struct drm_file *file, + const struct drm_mode_fb_cmd2 *mode_cmd); +dma_addr_t +komeda_fb_get_pixel_addr(struct komeda_fb *kfb, int x, int y, int plane); +bool komeda_fb_is_layer_supported(struct komeda_fb *kfb, u32 layer_type); + +#endif --=20 2.17.1