drm/ssd130x: Add support for the SSD133x OLED controller family
The Solomon SSD133x controllers (such as the SSD1331) are used by RGB dot
matrix OLED panels, add a modesetting pipeline to support the chip family.
The SSD133x controllers support 256 (8-bit) and 65k (16-bit) color depths
but only the 256-color mode (DRM_FORMAT_RGB332) is implemented for now.
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231229112026.2797483-5-javierm@redhat.com
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