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fbdev: do not allow VESA modes without compiled-in drivers

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Do not accept VESA modes by the "vga=" kernel parameter if there is no
frame buffer driver compiled-in to handle it.

Also, there is a comment added to the Kconfig description after Werner
Lemberg's suggestion

Addresses http://bugzilla.kernel.org/show_bug.cgi?id=13249

Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Reported-by: Werner Lemberg <wl@gnu.org>
Cc: Michal Januszewski <spock@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Krzysztof Helt 2009-06-18 16:49:21 -07:00 committed by Linus Torvalds
parent 5b7f92c96a
commit 4b19828968
1 changed files with 4 additions and 2 deletions
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6
drivers/video/Kconfig
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@ -1122,12 +1122,14 @@ config FB_INTEL
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB_BOOT_VESA_SUPPORT
select FB_BOOT_VESA_SUPPORT if FB_INTEL = y
help
This driver supports the on-board graphics built in to the Intel
830M/845G/852GM/855GM/865G/915G/915GM/945G/945GM/965G/965GM chipsets.
Say Y if you have and plan to use such a board.
To make FB_INTELFB=Y work you need to say AGP_INTEL=y too.
To compile this driver as a module, choose M here: the
module will be called intelfb.
@ -1460,7 +1462,7 @@ config FB_SIS
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB_BOOT_VESA_SUPPORT
select FB_BOOT_VESA_SUPPORT if FB_SIS = y
help
This is the frame buffer device driver for the SiS 300, 315, 330
and 340 series as well as XGI V3XT, V5, V8, Z7 graphics chipsets.