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Tip revision: 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 authored by Linus Torvalds on 25 April 2021, 20:49:08 UTC
Linux 5.12
Tip revision: 9f4ad9e
sm712fb.rst
================
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 acceleratrion
	* dual-head support
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