Commit | Line | Data |
---|---|---|
c805df3d AS |
1 | [This file is cloned from VesaFB/aty128fb] |
2 | ||
3 | What is lxfb? | |
4 | ================= | |
5 | ||
6 | This is a graphics framebuffer driver for AMD Geode LX based processors. | |
7 | ||
8 | Advantages: | |
9 | ||
10 | * No need to use AMD's VSA code (or other VESA emulation layer) in the | |
11 | BIOS. | |
12 | * It provides a nice large console (128 cols + 48 lines with 1024x768) | |
13 | without using tiny, unreadable fonts. | |
14 | * You can run XF68_FBDev on top of /dev/fb0 | |
15 | * Most important: boot logo :-) | |
16 | ||
17 | Disadvantages: | |
18 | ||
19 | * graphic mode is slower than text mode... | |
20 | ||
21 | ||
22 | How to use it? | |
23 | ============== | |
24 | ||
25 | Switching modes is done using lxfb.mode_option=<resolution>... boot | |
26 | parameter or using `fbset' program. | |
27 | ||
28 | See Documentation/fb/modedb.txt for more information on modedb | |
29 | resolutions. | |
30 | ||
31 | ||
32 | X11 | |
33 | === | |
34 | ||
35 | XF68_FBDev should generally work fine, but it is non-accelerated. | |
36 | ||
37 | ||
38 | Configuration | |
39 | ============= | |
40 | ||
41 | You can pass kernel command line options to lxfb with lxfb.<option>. | |
42 | For example, lxfb.mode_option=800x600@75. | |
43 | Accepted options: | |
44 | ||
45 | mode_option - specify the video mode. Of the form | |
46 | <x>x<y>[-<bpp>][@<refresh>] | |
47 | vram - size of video ram (normally auto-detected) | |
564820d4 AS |
48 | vt_switch - enable vt switching during suspend/resume. The vt |
49 | switch is slow, but harmless. | |
c805df3d AS |
50 | |
51 | -- | |
52 | Andres Salomon <dilinger@debian.org> |