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| author | Eric Engestrom <eric@engestrom.ch> | 2016-04-25 01:24:21 +0100 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-05-10 12:05:27 +0300 |
| commit | ad6a2d0f8d2991102e89a0b24a0a49fa7b0ec844 (patch) | |
| tree | aefe1f3cbbf5fe65b60a32d9a421428f0f507663 | |
| parent | 524edf3877775c46e8b3ba56f9dd75d07914392c (diff) | |
| download | lwn-ad6a2d0f8d2991102e89a0b24a0a49fa7b0ec844.tar.gz lwn-ad6a2d0f8d2991102e89a0b24a0a49fa7b0ec844.zip | |
Documentation: fb: fix spelling mistakes
Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
| -rw-r--r-- | Documentation/fb/udlfb.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/fb/udlfb.txt b/Documentation/fb/udlfb.txt index 57d2f2908b12..c985cb65dd06 100644 --- a/Documentation/fb/udlfb.txt +++ b/Documentation/fb/udlfb.txt @@ -9,7 +9,7 @@ pairing that with a hardware framebuffer (16MB) on the other end of the USB wire. That hardware framebuffer is able to drive the VGA, DVI, or HDMI monitor with no CPU involvement until a pixel has to change. -The CPU or other local resource does all the rendering; optinally compares the +The CPU or other local resource does all the rendering; optionally compares the result with a local shadow of the remote hardware framebuffer to identify the minimal set of pixels that have changed; and compresses and sends those pixels line-by-line via USB bulk transfers. @@ -66,10 +66,10 @@ means that from a hardware and fbdev software perspective, everything is good. At that point, a /dev/fb? interface will be present for user-mode applications to open and begin writing to the framebuffer of the DisplayLink device using standard fbdev calls. Note that if mmap() is used, by default the user mode -application must send down damage notifcations to trigger repaints of the +application must send down damage notifications to trigger repaints of the changed regions. Alternatively, udlfb can be recompiled with experimental defio support enabled, to support a page-fault based detection mechanism -that can work without explicit notifcation. +that can work without explicit notification. The most common client of udlfb is xf86-video-displaylink or a modified xf86-video-fbdev X server. These servers have no real DisplayLink specific |