docs: fb: Remove vesafb scrollback boot option

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,remove the scrollback option.

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/799e4d6ecca9aab53e823fc0001887d728be0aa5.1600333774.git.unixbhaskar@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/fb/vesafb.rst b/Documentation/fb/vesafb.rst
index 6821c87b78935b18d9fb7289eb6e133a687e07e0..f890a4f5623b45d5033e833813d7df70656fbef0 100644 (file)
--- a/Documentation/fb/vesafb.rst
+++ b/Documentation/fb/vesafb.rst
@@ -135,8 +135,6 @@ ypan          enable display panning using the VESA protected mode
 
                 * scrolling (fullscreen) is fast, because there is
                  no need to copy around data.
-               * You'll get scrollback (the Shift-PgUp thing),
-                 the video memory can be used as scrollback buffer
 
           kontra: