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| author | Bernie Thompson <bernie@plugable.com> | 2011-08-21 13:35:39 -0700 |
|---|---|---|
| committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2011-08-24 10:12:38 +0000 |
| commit | 4aa7faffe44bda5db54c214f5b3f789ec805cb9b (patch) | |
| tree | 31c0ad3af01f47301e9f702c66408b4fe3be0cca /Documentation/fb | |
| parent | 9f811b72c669e29f8c01e258d912254065e58f11 (diff) | |
| download | blackbird-op-linux-4aa7faffe44bda5db54c214f5b3f789ec805cb9b.tar.gz blackbird-op-linux-4aa7faffe44bda5db54c214f5b3f789ec805cb9b.zip | |
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>
Diffstat (limited to 'Documentation/fb')
| -rw-r--r-- | Documentation/fb/udlfb.txt | 10 |
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 ================ |
