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Subject[PATCH] docs: Re: uvesafb in 2.6.27-rc9 uses mode_option, in 2.6.27 mode, but the docs aren't updated
On Tue, 7 Oct 2008 18:54:10 +0000 root wrote:

> I just tested 2.6.27-rc9 on my laptop, which uses uvesafb. I notice that
> I need to update
> /sbin/modprobe uvesafb mode=1400x1050
> to
> /sbin/modprobe uvesafb mode_option=1400x1050
> but the documentation in Documentation/fb/uvesafb.txt happily talks
> about the mode option. It would be nice to have the documentation
> updated at least, but might I also question this move at all? Why call
> something 'mode_option' when 'mode' is shorter and the fact that it's an
> option really is clear from the fact you mention it on the commandline,
> like, how-do-I-call-it, yes-I-remember, an option?

True, but most framebuffer drivers use 'mode_option', so this one was
converted to be more normal. And I was outvoted. :(
[I wrote on 2008-FEB-05:
I would (do) say that "mode_option" is being redundant. Yes, it's
an option, but we don't usually name options (in other parts of the
kernel) with an _option suffix. Sure, the variable could be called
<mode_option>, but the userspace name should just be "mode". IMHO.

Please keep Documentation/fb/modedb.txt updated if you make any
relevant changes.

> Or are we moving toward 'mtrr_option', 'scroll_option',
> 'vram_remap_option' etc? I don't think that really a good idea, so the
> easiest thing to do would be to revert the patch that did this rename,
> since that resyncs the Documentation to the actual module and removes
> the needless description of the 'mode' option.

From: Randy Dunlap <>

uvesafb was switched from the 'mode' parameter to the more common (in
fb-land) 'mode_option' parameter, so update the documentation for that.

Signed-off-by: Randy Dunlap <>
Reported-by: root <>
cc: Krzysztof Helt <>
cc: Michal Januszewski <>
Documentation/fb/uvesafb.txt | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- linux-2.6.27-rc9-git2.orig/Documentation/fb/uvesafb.txt
+++ linux-2.6.27-rc9-git2/Documentation/fb/uvesafb.txt
@@ -52,7 +52,7 @@ are either given on the kernel command l

video=uvesafb:1024x768-32,mtrr:3,ywrap (compiled into the kernel)

- # modprobe uvesafb mode=1024x768-32 mtrr=3 scroll=ywrap (module)
+ # modprobe uvesafb mode_option=1024x768-32 mtrr=3 scroll=ywrap (module)

Accepted options:

@@ -105,7 +105,7 @@ vtotal:n
<mode> The mode you want to set, in the standard modedb format. Refer to
modedb.txt for a detailed description. When uvesafb is compiled as
a module, the mode string should be provided as a value of the
- 'mode' option.
+ 'mode_option' parameter.

Force the use of VBE mode x. The mode will only be set if it's
@@ -182,7 +182,7 @@ from the Video BIOS if you set pixclock

Michal Januszewski <>
- Last updated: 2007-06-16
+ Last updated: 2008-10-09

Documentation of the uvesafb options is loosely based on vesafb.txt.

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