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=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 35432C43461 for ; Tue, 15 Sep 2020 03:52:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DCF53208E4 for ; Tue, 15 Sep 2020 03:52:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Icis/6D+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726130AbgIODwS (ORCPT ); Mon, 14 Sep 2020 23:52:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726034AbgIODwQ (ORCPT ); Mon, 14 Sep 2020 23:52:16 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B713C06174A; Mon, 14 Sep 2020 20:52:15 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id f2so1278918pgd.3; Mon, 14 Sep 2020 20:52:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BJPJN5sO3W+sXjSDyG0vP1cfrrf1nDFvy9NDFxP8BC4=; b=Icis/6D+2W0lPj6Y27XJFFduwInr03mL886eub4QPJa6xWHLz/zNVAC6NZTTZDPRPZ zmgeXOe2euhuQh6H+TFM47fSaYbH7zraLa0jSa/rKKYeGY8B6hTPkJNcV9D+hT5VFvXL zSaBXs8gGMflGlIkCSVroHah32T1v+dnx582sCyet6BSVZsIVzVoZEalkZOP9UlGcm2D dAik9ZeFXEX/g+BZ9/u2zvFVQ7WXOPrEa9yPet3Xi8FbT962dlCXK0r7XlERS3Sfri4x tLcpR8ipYfB1zW/OiNF8IbNHKCXNDzv0IDCaqwY31O0kb7D5Jw584obcHoSXxXrkJv3E HKyQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=BJPJN5sO3W+sXjSDyG0vP1cfrrf1nDFvy9NDFxP8BC4=; b=gqwGnBXtxnGgbmVMKRdPAjlXHtRWc86AuMcVrNeBj+pVfmuLjVIacwlF2qydKsEC16 e94bIbHOBjkSNE/FW5kQFrqmKmI7YlovmHwwvn+IlIajIY3mljvtLOFvylEOYLSflicP DoVp2FTThHvz1tyctImjPL6FkivLSWOT+tQcLifrhdW1L1isFb9ELlz6mzb0uBdq5cfm vjC34IZFeEiDY5eid2ydGmxbsf/FEZCtBdCPpwWfCGUgyrz4VYM7Jruz7NBcZ6xsFrch T1JiP7Q1WPKPqLCRoEvNpgZCTZ7IJEhKatRGTYhRU70UUdAU88OE8UNkNp0lCLMBiy8H MUgg== X-Gm-Message-State: AOAM530cWu+qlfbNWcfca1WtpoKRjS590qTxoPrlJ5dpdt3nqtwtX/aI SbTy3O+kVSbqHR2NWeIWT+mdICL4K19tzkas X-Google-Smtp-Source: ABdhPJzJMWewP7giq1Y6D68F6T84VnaUkXL0yd1eQJ4GqiY3WCz/rB0qAXdhE9hvi4au1vAkNmqxRQ== X-Received: by 2002:a63:441a:: with SMTP id r26mr13460205pga.290.1600141934504; Mon, 14 Sep 2020 20:52:14 -0700 (PDT) Received: from localhost.localdomain (sau-465d4-or.servercontrol.com.au. [43.250.207.1]) by smtp.gmail.com with ESMTPSA id d6sm10690356pjw.0.2020.09.14.20.52.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Sep 2020 20:52:13 -0700 (PDT) From: Bhaskar Chowdhury To: b.zolnierkie@samsung.com, linux-fbdev@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: corbet@lwn.net, rdunlap@infradead.org, gregkh@linuxfoundation.org, daniel@ffwll.ch, yuanmingbuaa@gmail.com, w@1wt.eu, nopitydays@gmail.com, zhangyunhai@nsfocus.com, luto@amacapital.net, torvalds@linux-foundation.org, Bhaskar Chowdhury Subject: [PATCH] docs:fb:fbcon.rst:Remove the stale boot option for framebuffer i.e scrollback Date: Tue, 15 Sep 2020 09:18:57 +0530 Message-Id: <20200915034857.21384-1-unixbhaskar@gmail.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch is the effect of commit hashes: 50145474f6ef4a9c19205b173da6264a644c7489 and 973c096f6a85e5b5f2a295126ba6928d9a6afd45 fbcon: remove soft scrollback code And adjusted the numbering for boot options too. Signed-off-by: Bhaskar Chowdhury --- Documentation/fb/fbcon.rst | 21 +++++++-------------- 1 file changed, 7 insertions(+), 14 deletions(-) diff --git a/Documentation/fb/fbcon.rst b/Documentation/fb/fbcon.rst index e57a3d1d085a..328f6980698c 100644 --- a/Documentation/fb/fbcon.rst +++ b/Documentation/fb/fbcon.rst @@ -87,15 +87,8 @@ C. Boot options Note, not all drivers can handle font with widths not divisible by 8, such as vga16fb. -2. fbcon=scrollback:[k] - The scrollback buffer is memory that is used to preserve display - contents that has already scrolled past your view. This is accessed - by using the Shift-PageUp key combination. The value 'value' is any - integer. It defaults to 32KB. The 'k' suffix is optional, and will - multiply the 'value' by 1024. - -3. fbcon=map:<0123> +2. fbcon=map:<0123> This is an interesting option. It tells which driver gets mapped to which console. The value '0123' is a sequence that gets repeated until @@ -116,7 +109,7 @@ C. Boot options Later on, when you want to map the console the to the framebuffer device, you can use the con2fbmap utility. -4. fbcon=vc:- +3. fbcon=vc:- This option tells fbcon to take over only a range of consoles as specified by the values 'n1' and 'n2'. The rest of the consoles @@ -127,7 +120,7 @@ C. Boot options is typically located on the same video card. Thus, the consoles that are controlled by the VGA console will be garbled. -5. fbcon=rotate: +4. fbcon=rotate: This option changes the orientation angle of the console display. The value 'n' accepts the following: @@ -152,21 +145,21 @@ C. Boot options Actually, the underlying fb driver is totally ignorant of console rotation. -6. fbcon=margin: +5. fbcon=margin: This option specifies the color of the margins. The margins are the leftover area at the right and the bottom of the screen that are not used by text. By default, this area will be black. The 'color' value is an integer number that depends on the framebuffer driver being used. -7. fbcon=nodefer +6. fbcon=nodefer If the kernel is compiled with deferred fbcon takeover support, normally the framebuffer contents, left in place by the firmware/bootloader, will be preserved until there actually is some text is output to the console. This option causes fbcon to bind immediately to the fbdev device. -8. fbcon=logo-pos: +7. fbcon=logo-pos: The only possible 'location' is 'center' (without quotes), and when given, the bootup logo is moved from the default top-left corner @@ -174,7 +167,7 @@ C. Boot options displayed due to multiple CPUs, the collected line of logos is moved as a whole. -9. fbcon=logo-count: +8. fbcon=logo-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. -- 2.26.2