linux-sg2042/Documentation/fb/sm712fb.rst

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What is sm712fb?
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This is a graphics framebuffer driver for Silicon Motion SM712 based processors.
How to use it?
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Switching modes is done using the video=sm712fb:... boot parameter.
If you want, for example, enable a resolution of 1280x1024x24bpp you should
pass to the kernel this command line: "video=sm712fb:0x31B".
You should not compile-in vesafb.
Currently supported video modes are:
Graphic modes
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bpp 640x480 800x600 1024x768 1280x1024
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8 0x301 0x303 0x305 0x307
16 0x311 0x314 0x317 0x31A
24 0x312 0x315 0x318 0x31B
=== ======= ======= ======== =========
Missing Features
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(alias TODO list)
* 2D acceleratrion
* dual-head support