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=-9.8 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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 CAE64C3A5A3 for ; Tue, 27 Aug 2019 11:09:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 961EA206BA for ; Tue, 27 Aug 2019 11:09:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=axentia.se header.i=@axentia.se header.b="PFrPXl7Q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729617AbfH0LJ1 (ORCPT ); Tue, 27 Aug 2019 07:09:27 -0400 Received: from mail-eopbgr70109.outbound.protection.outlook.com ([40.107.7.109]:11264 "EHLO EUR04-HE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725912AbfH0LJ1 (ORCPT ); Tue, 27 Aug 2019 07:09:27 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=XfyamY94iHGd1cO+JMcEeK1F1gkRhpjaFzRioXavbMs7WEOFrJcJvS7RVr75yyvgSN9w8oaXmGMzEOjmoV3U97DzS/6TivRrC0QTUmsrjsGpNrWlv26bqUhtHOwr2wOzJhAEFE4t9amvfZDdoPyfLq3vMPpJU/ll/bEbSruDHnqkfgzUYrIXK8k4ZRhuZ7MbFESiLhYsAvDQQyoVHFuRTUCZLy2jyUf9X8nt2RHWyCzjohnZfXj3iwzuK5m1xnIMr5GFLwy733kucpsEICEu07+WHzfgVHbnDhtmm0+vU5ic7ATHXTpAL1Nj/f3D/Rln5Hl9P8HiM60FRFFu4eTp+w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=cRqjE0WZVuRCuSo2PfQxoEd4jTslFS6OgAsaH9Mtu1o=; b=Dx4n4RZKo44b8p/IfEMofBrpbGmhTNI9s0IvN8sNHeBW2+4Bt9YQbCWClN7m6y5Lo8Up9c2eV5rXS8h/pa4kOdRaUFBtfgQSC8jjN4Vn6P09zYGkPzOrttjzL1pPsw8EQcdRt13m0TVmnBkyxTOHhY7QUB0OnB/030mlYrcHcaQ8Gq0ZEKozlopeAy74Uwe1quAeXDuzP1OxpN7vHHxfVvgkCVQToVMguU8WQ3pxDPTTvek+rxMZW+174K/BFHY+Ya7yXlBUcFz4S3CMCuiXg8fjoA9TNyusDyLeZuHMLQSV7U6QrGWtLQlP3jAnEzVqKz/QrzldAnn9ChrPE0Nprw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=axentia.se; dmarc=pass action=none header.from=axentia.se; dkim=pass header.d=axentia.se; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axentia.se; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=cRqjE0WZVuRCuSo2PfQxoEd4jTslFS6OgAsaH9Mtu1o=; b=PFrPXl7Q/96EZP9vDnq84iRYJBC5H5Z7uCtx6yq0AQ8Shm+IW+ne2c4xSjJKn0R6aTskhZUsulZF9RD0kWnfr2Iw1kAowKs6bMSMEpEhI6EXzBkHgP+arzEm/mjYIqRsfCzhuAuRmGxwcF0pHPL8uZg6yWnfrK7mVRHAgA3/3Uc= Received: from DB3PR0202MB3434.eurprd02.prod.outlook.com (52.134.66.158) by DB3PR0202MB3465.eurprd02.prod.outlook.com (52.134.65.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2178.16; Tue, 27 Aug 2019 11:09:21 +0000 Received: from DB3PR0202MB3434.eurprd02.prod.outlook.com ([fe80::a0df:d7d9:f95e:f3ea]) by DB3PR0202MB3434.eurprd02.prod.outlook.com ([fe80::a0df:d7d9:f95e:f3ea%3]) with mapi id 15.20.2178.023; Tue, 27 Aug 2019 11:09:21 +0000 From: Peter Rosin To: "linux-kernel@vger.kernel.org" CC: Peter Rosin , Bartlomiej Zolnierkiewicz , Jonathan Corbet , "dri-devel@lists.freedesktop.org" , "linux-fbdev@vger.kernel.org" , "linux-doc@vger.kernel.org" , Matthew Wilcox , Geert Uytterhoeven Subject: [PATCH v3 2/3] fbdev: fbmem: allow overriding the number of bootup logos Thread-Topic: [PATCH v3 2/3] fbdev: fbmem: allow overriding the number of bootup logos Thread-Index: AQHVXMfgYnRTlyUjn0+AfY7i/XbReA== Date: Tue, 27 Aug 2019 11:09:21 +0000 Message-ID: <20190827110854.12574-3-peda@axentia.se> References: <20190827110854.12574-1-peda@axentia.se> In-Reply-To: <20190827110854.12574-1-peda@axentia.se> Accept-Language: en-US, sv-SE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.11.0 x-originating-ip: [213.112.138.100] x-clientproxiedby: HE1PR0802CA0012.eurprd08.prod.outlook.com (2603:10a6:3:bd::22) To DB3PR0202MB3434.eurprd02.prod.outlook.com (2603:10a6:8:5::30) authentication-results: spf=none (sender IP is ) smtp.mailfrom=peda@axentia.se; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 2e726720-34f3-4045-da00-08d72adf0328 x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(7021145)(8989299)(4534185)(7022145)(4603075)(4627221)(201702281549075)(8990200)(7048125)(7024125)(7027125)(7023125)(5600166)(711020)(4605104)(1401327)(2017052603328)(7193020);SRVR:DB3PR0202MB3465; x-ms-traffictypediagnostic: DB3PR0202MB3465: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:5516; x-forefront-prvs: 0142F22657 x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(39830400003)(366004)(376002)(346002)(396003)(136003)(189003)(199004)(508600001)(99286004)(186003)(25786009)(6436002)(53936002)(2351001)(5660300002)(26005)(7736002)(2501003)(256004)(6116002)(8936002)(305945005)(54906003)(1076003)(81166006)(81156014)(6916009)(5024004)(3846002)(8676002)(50226002)(386003)(6506007)(66066001)(66946007)(6512007)(52116002)(76176011)(102836004)(36756003)(446003)(486006)(11346002)(2616005)(6486002)(316002)(4326008)(71190400001)(2906002)(86362001)(14454004)(5640700003)(476003)(71200400001)(66476007)(66446008)(66556008)(64756008);DIR:OUT;SFP:1102;SCL:1;SRVR:DB3PR0202MB3465;H:DB3PR0202MB3434.eurprd02.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: axentia.se does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: hf0xrqgkG/U54WB/5TT2us1wSpYiQi2RglkLY8S48bd7SvT3Vl/S47TR67VJQ+tXcVHbYqZBxDdxgMkuffCcPGcqHzPTqNYITxAVlp9m2rlnmUEFpltPH3aCqEVuSpfinIAEeNS2NjOmQThut0ySPUTfOjC84lpUI9io4KS+WFER3VrV2obWWURcU3N633QPErUJu5V4iPDAkyVJ7Qho6QKUR4bE00jS+YsTIJkdctLaM0U9ATzX1lIh4GehyRXq21iWU0HdmVEanQ9nGFTtJRLxHsJF7HPZ6WtfaHAz9x8Ef3jyt3zTY08iylYBhGty6wtBWenpVRfmND9dDaOQgYZfgJjPN7Jg4MLwuFfbZUTcMbuRUgh75nUJh+7odF0tJ7C6nD7+ubsIKdr3zA1gydjioCI54y+J6dcshy1t1Ic= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: axentia.se X-MS-Exchange-CrossTenant-Network-Message-Id: 2e726720-34f3-4045-da00-08d72adf0328 X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Aug 2019 11:09:21.7115 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4ee68585-03e1-4785-942a-df9c1871a234 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: y2xIZUjmmr3A9h7GrLQKyJ3wiWvW6S8oyqNIB6ChpGP1COPcxLUyQnG6mVQgw80W X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB3PR0202MB3465 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Probably most useful if you want no logo at all, or if you only want one logo regardless of how many CPU cores you have. Signed-off-by: Peter Rosin --- Documentation/fb/fbcon.rst | 5 +++++ drivers/video/fbdev/core/fbcon.c | 7 +++++++ drivers/video/fbdev/core/fbmem.c | 12 +++++++++--- include/linux/fb.h | 1 + 4 files changed, 22 insertions(+), 3 deletions(-) diff --git a/Documentation/fb/fbcon.rst b/Documentation/fb/fbcon.rst index 65ba40255137..e57a3d1d085a 100644 --- a/Documentation/fb/fbcon.rst +++ b/Documentation/fb/fbcon.rst @@ -174,6 +174,11 @@ C. Boot options displayed due to multiple CPUs, the collected line of logos is moved as a whole. =20 +9. fbcon=3Dlogo-count: + + The value 'n' overrides the number of bootup logos. 0 disables the + logo, and -1 gives the default which is the number of online CPUs. + C. Attaching, Detaching and Unloading =20 Before going on to how to attach, detach and unload the framebuffer consol= e, an diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fb= con.c index c9235a2f42f8..bb6ae995c2e5 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -536,6 +536,13 @@ static int __init fb_console_setup(char *this_opt) fb_center_logo =3D true; continue; } + + if (!strncmp(options, "logo-count:", 11)) { + options +=3D 11; + if (*options) + fb_logo_count =3D simple_strtol(options, &options, 0); + continue; + } } return 1; } diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fb= mem.c index 64dd732021d8..c7ddcb72025b 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -56,6 +56,8 @@ EXPORT_SYMBOL(num_registered_fb); bool fb_center_logo __read_mostly; EXPORT_SYMBOL(fb_center_logo); =20 +int fb_logo_count __read_mostly =3D -1; + static struct fb_info *get_fb_info(unsigned int idx) { struct fb_info *fb_info; @@ -620,7 +622,7 @@ int fb_prepare_logo(struct fb_info *info, int rotate) memset(&fb_logo, 0, sizeof(struct logo_data)); =20 if (info->flags & FBINFO_MISC_TILEBLITTING || - info->fbops->owner) + info->fbops->owner || !fb_logo_count) return 0; =20 if (info->fix.visual =3D=3D FB_VISUAL_DIRECTCOLOR) { @@ -686,10 +688,14 @@ int fb_prepare_logo(struct fb_info *info, int rotate) =20 int fb_show_logo(struct fb_info *info, int rotate) { + unsigned int count; int y; =20 - y =3D fb_show_logo_line(info, rotate, fb_logo.logo, 0, - num_online_cpus()); + if (!fb_logo_count) + return 0; + + count =3D fb_logo_count < 0 ? num_online_cpus() : fb_logo_count; + y =3D fb_show_logo_line(info, rotate, fb_logo.logo, 0, count); y =3D fb_show_extra_logos(info, y, rotate); =20 return y; diff --git a/include/linux/fb.h b/include/linux/fb.h index 303771264644..e37f72b2efca 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -630,6 +630,7 @@ extern int fb_new_modelist(struct fb_info *info); extern struct fb_info *registered_fb[FB_MAX]; extern int num_registered_fb; extern bool fb_center_logo; +extern int fb_logo_count; extern struct class *fb_class; =20 #define for_each_registered_fb(i) \ --=20 2.11.0