On Sat, Jun 14, 2014 at 2:35 PM, Bruno Prémont
[off-list ref] wrote:

quoted

Is this behavior intended or are we triggering a bug here (that no one noticed, because
who in the world uses monochrome framebuffers these days..). I can't see any comments that
monochrome consoles should not work with 1 bit per pixel. See the code below if you spot
some errors (ignore some missing error handling and mediocre style for now, please).

fbcon on 1bpp frambuffer worked for me with picoLCD (though I have found no userspace

I'm not aware of 1 bpp frame buffer consoles being broken.

framebuffer application willing to operate at 1bpp).

Xfbdev does. I revived support for monochrome (and Atari/Amiga-style
bitplanes) last year.

And of course
https://git.kernel.org/cgit/linux/kernel/git/geert/fbtest.git/

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds