udlfb: Enable fbcon access to framebuffer by default

[~andy/linux] / Documentation / fb / udlfb.txt

diff --git a/Documentation/fb/udlfb.txt b/Documentation/fb/udlfb.txt
index c6d90a6fb90190aa72d038b1454867396be31949..57d2f2908b12bcb01eae4669e3f0d50eeabf9d7e 100644 (file)
--- 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
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