[PATCH] Add m1bpp (monochrome, 1 bit/pixel) pixel format

Pekka Paalanen ppaalanen at gmail.com
Fri Sep 15 15:17:27 UTC 2017

On Fri, 15 Sep 2017 10:59:56 -0400
Drew DeVault <sir at cmpwn.com> wrote:

> I missed this from your earlier email:
> >I believe that all the formats* are analogous to the ones used in the
> >kernel, as defined in drm_fourcc.h.
> >Is there such an equivalent, if not should one consider adding one first?  
> Adding support for this screen in Linux is an interesting idea... but
> perhaps too much work for too little gain. It can't be GPU accellerated
> so DRM doesn't give much value-add here.

DRM is for driving any kind of display, GPU or not, acceleratable or
not. What it gives us is a standard userspace ABI to poke all display
devices with.

There could be other reasons to not write a DRM driver, but "only for
GPU stuff" is not one.

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