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docs: fb: Remove matroxfb scrollback boot option 

In commit 50145474f6 ("fbcon: remove soft scrollback code"), the
framebuffer scrollback mode was removed, but the documentation was not
updated.  Properly update the documentation by removing the option that
is no longer pressent, and removed the particular scrollback option.

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/e5187e70faf8237825a142313802983a6c214baa.1600333774.git.unixbhaskar@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Bhaskar Chowdhury 2020-09-17 15:56:13 +05:30 committed by Jonathan Corbet
parent cc3c2a6231
commit 036e13d015
1 changed files with 0 additions and 2 deletions
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Documentation/fb/matroxfb.rst
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@ -317,8 +317,6 @@ Currently there are following known bugs:
- interlaced text mode is not supported; it looks like hardware limitation,
but I'm not sure.
- Gxx0 SGRAM/SDRAM is not autodetected.
- If you are using more than one framebuffer device, you must boot kernel
with 'video=scrollback:0'.
- maybe more...
And following misfeatures: