Documentation / fb / sm712fb.rst


Based on kernel version 5.15. Page generated on 2021-11-01 09:19 EST.

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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
===  =======  =======  ========  =========
  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