fbcon: logo: disable logo at boot

Add logo.nologo kernel boot option to disable the logo in order to provide
more screen space for kernel messages; especially useful when debugging and
screen space is more critical.

newport_con driver changes are untested.

[akpm@linux-foundation.org: cleanups, coding-style fixes]
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 5 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 760ed5776174..eb247997f679 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -911,6 +911,11 @@ and is between 256 and 4096 characters. It is defined in the file
                         n must be a power of two.  The default size
                         is set in the kernel config file.
 
+        logo.nologo     [FB] Disables display of the built-in Linux logo.
+                        This may be used to provide more screen space for
+                        kernel log messages and is useful when debugging
+                        kernel boot problems.
+
         lp=0            [LP]    Specify parallel ports to use, e.g,
         lp=port[,port...]       lp=none,parport0 (lp0 not configured, lp1 uses
         lp=reset                first parallel port). 'lp=0' disables the