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Handle console remapping in fbcon in fb_switch_output(). Vga-switcheroo invokes this functionality before switching physical outputs to a new graphics device. Open-coding fbcon state in vga-switcheroo exposed fbdev implementation details. Vga-switcheroo is used for switching physical outputs among graphics hardware. This functionality is only supported by DRM drivers. A later update will further move fb_switch_output() into DRM's fbdev emulation; thus fully decoupling vga-switcheroo from fbdev. v3: - remove Kconfig dependency related to fbcon (Geert) v2: - use '#if defined' (Helge) Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Helge Deller <deller@gmx.de>