Apologies -- the mode_option parameter only applies to framebuffer drivers that use modedb (which includes uvesafb).
As a workaround for drivers that use modedb, you can specify the video parameter like this: video=uvesafb:mode_option=1400x1050
Apologies -- the mode_option parameter only applies to framebuffer drivers that use modedb (which includes uvesafb).
As a workaround for drivers that use modedb, you can specify the video parameter like this: mode_option= 1400x1050
video=uvesafb: