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uvesafb: documentation update

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Update the uvesafb documentation to accurately reflect the default options
used by the driver.

Signed-off-by: Michal Januszewski <spock@gentoo.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Michal Januszewski
2009-04-06 19:01:06 -07:00
committed by Linus Torvalds
parent d88ca815b5
commit 7ce5ba3c7e
1 changed files with 4 additions and 3 deletions
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7
Documentation/fb/uvesafb.txt
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@@ -59,7 +59,8 @@ Accepted options:
ypan Enable display panning using the VESA protected mode ypan Enable display panning using the VESA protected mode
interface. The visible screen is just a window of the interface. The visible screen is just a window of the
video memory, console scrolling is done by changing the video memory, console scrolling is done by changing the
start of the window. Available on x86 only. start of the window. This option is available on x86
only and is the default option on that architecture.
ywrap Same as ypan, but assumes your gfx board can wrap-around ywrap Same as ypan, but assumes your gfx board can wrap-around
the video memory (i.e. starts reading from top if it the video memory (i.e. starts reading from top if it
@@ -67,7 +68,7 @@ ywrap Same as ypan, but assumes your gfx board can wrap-around
Available on x86 only. Available on x86 only.
redraw Scroll by redrawing the affected part of the screen, this redraw Scroll by redrawing the affected part of the screen, this
is the safe (and slow) default. is the default on non-x86.
(If you're using uvesafb as a module, the above three options are (If you're using uvesafb as a module, the above three options are
used a parameter of the scroll option, e.g. scroll=ypan.) used a parameter of the scroll option, e.g. scroll=ypan.)
@@ -182,7 +183,7 @@ from the Video BIOS if you set pixclock to 0 in fb_var_screeninfo.
-- --
Michal Januszewski <spock@gentoo.org> Michal Januszewski <spock@gentoo.org>
Last updated: 2007-06-16 Last updated: 2009-03-30
Documentation of the uvesafb options is loosely based on vesafb.txt. Documentation of the uvesafb options is loosely based on vesafb.txt.