From patchwork Fri Dec 21 10:00:17 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Qian Wang X-Patchwork-Id: 10740257 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1B987746 for ; Fri, 21 Dec 2018 10:00:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0A831283CA for ; Fri, 21 Dec 2018 10:00:25 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F250828420; Fri, 21 Dec 2018 10:00:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 8C3F0283CA for ; Fri, 21 Dec 2018 10:00:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A6F1E6F5A5; Fri, 21 Dec 2018 10:00:23 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from EUR04-DB3-obe.outbound.protection.outlook.com (mail-db3eur04on060a.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe0c::60a]) by gabe.freedesktop.org (Postfix) with ESMTPS id EAF726F5A4 for ; Fri, 21 Dec 2018 10:00:20 +0000 (UTC) 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 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) 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 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 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: Mark Rutland , "linux-doc@vger.kernel.org" , "maxime.ripard@bootlin.com" , "Jonathan Chai \(Arm Technology China\)" , Alexandru-Cosmin Gheorghe , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "yamada.masahiro@socionext.com" , "Yiqi Kang \(Arm Technology China\)" , "mchehab+samsung@kernel.org" , "Tiannan Zhu \(Arm Technology China\)" , "corbet@lwn.net" , "airlied@linux.ie" , "malidp@foss.arm.com" , "thomas Sun \(Arm Technology China\)" , Ayan Halder , "devicetree@vger.kernel.org" , "arnd@arndb.de" , "robh+dt@kernel.org" , "Jin Gao \(Arm Technology China\)" , nd , "sean@poorly.run" , "Lowry Li \(Arm Technology China\)" , "gregkh@linuxfoundation.org" , "rdunlap@infradead.org" , "nicolas.ferre@microchip.com" , "Julien Yin \(Arm Technology China\)" , "james qian wang \(Arm Technology China\)" , "akpm@linux-foundation.org" , "davem@davemloft.net" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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 Acked-by: Liviu Dudau --- 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 := \ komeda_drv.o \ komeda_dev.o \ komeda_format_caps.o \ - komeda_pipeline.o + komeda_pipeline.o \ + komeda_framebuffer.o komeda-y += \ d71/d71_dev.o diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/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 = to_kfb(fb); + u32 i; + + for (i = 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 = { + .destroy = komeda_fb_destroy, + .create_handle = 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 = &kfb->base; + struct drm_gem_object *obj; + u32 min_size = 0; + u32 i; + + for (i = 0; i < fb->format->num_planes; i++) { + obj = drm_gem_object_lookup(file, mode_cmd->handles[i]); + if (!obj) { + DRM_DEBUG_KMS("Failed to lookup GEM object\n"); + fb->obj[i] = NULL; + + return -ENOENT; + } + + kfb->aligned_w = fb->width / (i ? fb->format->hsub : 1); + kfb->aligned_h = 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] = NULL; + + return -EINVAL; + } + + min_size = ((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] = NULL; + + return -EINVAL; + } + + fb->obj[i] = obj; + } + + if (fb->format->num_planes == 3) { + if (fb->pitches[1] != 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 = dev->dev_private; + struct komeda_fb *kfb; + int ret = 0, i; + + kfb = kzalloc(sizeof(*kfb), GFP_KERNEL); + if (!kfb) + return ERR_PTR(-ENOMEM); + + kfb->format_caps = 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 = komeda_fb_none_afbc_size_check(mdev, kfb, file, mode_cmd); + if (ret < 0) + goto err_cleanup; + + ret = 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 = 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 = &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 = drm_fb_cma_get_gem_obj(fb, plane); + + offset = fb->offsets[plane]; + if (!fb->modifier) { + plane_x = x / (plane ? fb->format->hsub : 1); + plane_y = y / (plane ? fb->format->vsub : 1); + cpp = fb->format->cpp[plane]; + pitch = fb->pitches[plane]; + offset += 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/drivers/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