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fbdev: fbcon: select VT_HW_CONSOLE_BINDING

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fbdev provides framebuffer hotplugging, hence, we need to allow fbcon to
unbind from framebuffers. Unfortunately, fbcon_fb_unbind() cannot unbind
from the last framebuffer, unless console-unbinding is supported.

Fixing fbcon_unbind() to return 0 caused some horrible NULL-derefs in the
VT layer and I couldn't figure out why. Hence, lets just require
console-unbinding so fbdev hotplugging works with fbcon.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Link: http://lkml.kernel.org/r/1375445127-15480-9-git-send-email-dh.herrmann@gmail.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
This commit is contained in:
David Herrmann 2013-08-02 14:05:27 +02:00 committed by H. Peter Anvin
parent e6816a8d85
commit 765d5b9c2b
1 changed files with 2 additions and 1 deletions
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3
drivers/video/console/Kconfig
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@ -92,7 +92,8 @@ config DUMMY_CONSOLE_ROWS
config FRAMEBUFFER_CONSOLE
tristate "Framebuffer Console support"
depends on FB
depends on FB && !UML
select VT_HW_CONSOLE_BINDING
select CRC32
select FONT_SUPPORT
help