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Jesse Barnes cfafca8067 fbdev: fbcon: console unregistration from unregister_framebuffer ... This allows for proper console unregistration via the VT layer, and updates the FB layer to use it. This makes debugging new console drivers much easier, since you can properly clean them up before unloading. [adaplas] unregister_framebuffer() is typically called as part of the driver's module_exit(). Doing so otherwise will freeze the machine as the VT layer is holding reference counts on fbcon, and fbcon on the driver. With this change, it allows unregister_framebuffer() to be called safely anywhere as needed. Additions from the original: If multiple drivers are used by fbcon, and if one of them unregisters, a driver will take over the consoles vacated by the outgoing one (via set_con2fb_map). Once only the outgoing driver remains, then fbcon will unbind from the VT layer (if CONFIG_HW_CONSOLE_UNBINDING is set to y). It is important that these drivers implement fb_open() and fb_release() just to ensure that no other process is using the driver. Likewise, these drivers _must_ check the return value of unregister_framebuffer(). [akpm@linux-foundation.org: make fbcon_unbind() stub inline] Signed-off-by: Jesse Barnes <jesse.barnes@intel.com> Signed-off-by: Antonino Daplas <adaplas@gmail.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
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Kconfig	fbcon: Revise primary device selection	18 years ago
Makefile	[VIDEO]: Fix section mismatch warning in promcon.	18 years ago
bitblit.c	Remove obsolete #include <linux/config.h>	19 years ago
dummycon.c	[PATCH] tty: Remove include of screen_info.h from tty.h	19 years ago
fbcon.c	fbdev: fbcon: console unregistration from unregister_framebuffer	18 years ago
fbcon.h	fbdev: Move declaration of fb_class to <linux/fb.h>	18 years ago
fbcon_ccw.c	[PATCH] fbcon:: make 3 functions static	19 years ago
fbcon_cw.c	[PATCH] fbcon:: make 3 functions static	19 years ago
fbcon_rotate.c	Remove obsolete #include <linux/config.h>	19 years ago
fbcon_rotate.h	…
fbcon_ud.c	[PATCH] fbcon:: make 3 functions static	19 years ago
font_6x11.c	…
font_7x14.c	…
font_8x8.c	…
font_8x16.c	…
font_10x18.c	…
font_acorn_8x8.c	Remove obsolete #include <linux/config.h>	19 years ago
font_mini_4x6.c	…
font_pearl_8x8.c	…
font_sun8x16.c	…
font_sun12x22.c	…
fonts.c	fbcon: font setting should check limitation of driver	18 years ago
mdacon.c	vt: add color support to the "underline" and "italic" attributes	18 years ago
newport_con.c	[PATCH] vt: Remove VT-specific declarations and definitions from tty.h	19 years ago
prom.uni	…
promcon.c	vt: add color support to the "underline" and "italic" attributes	18 years ago
softcursor.c	fix file specification in comments	18 years ago
sticon.c	vt: add color support to the "underline" and "italic" attributes	18 years ago
sticore.c	[PARISC] fix section mismatch in parisc STI video drivers	18 years ago
tileblit.c	Remove obsolete #include <linux/config.h>	19 years ago
vgacon.c	Refine SCREEN_INFO sanity check for vgacon initialization	18 years ago