Re: [PATCH v2 RFC 10/10] drm/fourcc: Add DRM_FORMAT_D[1248]

2022-03-09 Thread Javier Martinez Canillas
On 3/7/22 21:52, Geert Uytterhoeven wrote: > As Rn is light-on-dark, and Cn can be any colors, there are currently > no fourcc codes to describe dark-on-light displays. > > Introduce fourcc codes for a single-channel dark-on-light frame buffer > format with two, four, sixteen, or 256 darkness leve

[PATCH v2 RFC 10/10] drm/fourcc: Add DRM_FORMAT_D[1248]

2022-03-07 Thread Geert Uytterhoeven
As Rn is light-on-dark, and Cn can be any colors, there are currently no fourcc codes to describe dark-on-light displays. Introduce fourcc codes for a single-channel dark-on-light frame buffer format with two, four, sixteen, or 256 darkness levels. As the number of bits per pixel may be less than