What is sm712fb?

This is a graphics framebuffer driver for Silicon Motion SM712 based processors.

How to use it?

Switching modes is done using the video=sm712fb:… boot parameter.

If you want, for example, enable a resolution of 1280x1024x24bpp you shouldpass to the kernel this command line: “video=sm712fb:0x31B”.

You should not compile-in vesafb.

Currently supported video modes are:

Graphic modes

bpp640x480800x6001024x7681280x1024
80x3010x3030x3050x307
160x3110x3140x3170x31A
240x3120x3150x3180x31B

Missing Features

(alias TODO list)

  • 2D acceleratrion
  • dual-head support