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[43.250.207.1]) by smtp.gmail.com with ESMTPSA id e207sm21781927pfh.171.2020.09.17.03.31.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Sep 2020 03:32:00 -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 1/4] docs: fb: Remove framebuffer scrollback boot option Date: Thu, 17 Sep 2020 15:56:12 +0530 Message-Id: <436cc046a8ff9cf2a467b633527db77dc7c7de19.1600333774.git.unixbhaskar@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org In commit 50145474f6ef ("fbcon: remove soft scrollback code"), the framebuffer scrollback mode was removed, but the documentation was not updated. Properly update the documentation by removing the option that is no longer present, and update the section numbering because of the removal. Signed-off-by: Bhaskar Chowdhury --- Change since V3: Following the suggestions from Willy and Greg.In this version remove the not relevant commit hash and messages from the changelog. 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. -- 2.28.0