On Mon, Feb 14, 2022 at 02:37:06PM +0100, Javier Martinez Canillas wrote: > Add support to convert from XR24 to reversed monochrome for drivers that > control monochromatic display panels, that only have 1 bit per pixel. > > The function does a line-by-line conversion doing an intermediate step > first from XR24 to 8-bit grayscale and then to reversed monochrome. > > The drm_fb_gray8_to_mono_reversed_line() helper was based on code from > drivers/gpu/drm/tiny/repaper.c driver. > > Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx> > Reviewed-by: Thomas Zimmermann <tzimmermann@xxxxxxx> > Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Reviewed-by: Maxime Ripard <maxime@xxxxxxxxxx> Maxime
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