udlfb: Enable fbcon access to framebuffer by default

Signed-off-by: Bernie Thompson <bernie@plugable.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>

1 files changed, 6 insertions, 4 deletions

diff --git a/Documentation/fb/udlfb.txt b/Documentation/fb/udlfb.txt
index c6d90a6fb901..57d2f2908b12 100644
--- a/Documentation/fb/udlfb.txt
+++ b/Documentation/fb/udlfb.txt
@@ -107,16 +107,18 @@ fb_defio	Make use of the fb_defio (CONFIG_FB_DEFERRED_IO) kernel
                 Disable when running with X server that supports reporting
                 changed regions via ioctl, as this method is simpler,
                 more stable, and higher performance.
+                default: fb_defio=1
 
-console Allow fbcon to attach to udlfb provided framebuffers. This
-                is disabled by default because fbcon will aggressively consume
-                the first framebuffer it finds, which isn't usually what the
-                user wants in the case of USB displays.
+console Allow fbcon to attach to udlfb provided framebuffers.
+                Can be disabled if fbcon and other clients
+                (e.g. X with --shared-vt) are in conflict.
+                default: console=1
 
 shadow          Allocate a 2nd framebuffer to shadow what's currently across
                 the USB bus in device memory. If any pixels are unchanged,
                 do not transmit. Spends host memory to save USB transfers.
                 Enabled by default. Only disable on very low memory systems.
+                default: shadow=1
 
 Sysfs Attributes
 ================