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 should pass to the kernel this command line: “video=sm712fb:0x31B”.
You should not compile-in vesafb.
Currently supported video modes are:
Graphic modes¶
bpp  | 
640x480  | 
800x600  | 
1024x768  | 
1280x1024  | 
|---|---|---|---|---|
8  | 
0x301  | 
0x303  | 
0x305  | 
0x307  | 
16  | 
0x311  | 
0x314  | 
0x317  | 
0x31A  | 
24  | 
0x312  | 
0x315  | 
0x318  | 
0x31B  | 
Missing Features¶
(alias TODO list)
2D acceleration
dual-head support