lxfb.rst (1364B)
1============= 2What is lxfb? 3============= 4 5.. [This file is cloned from VesaFB/aty128fb] 6 7 8This is a graphics framebuffer driver for AMD Geode LX based processors. 9 10Advantages: 11 12 * No need to use AMD's VSA code (or other VESA emulation layer) in the 13 BIOS. 14 * It provides a nice large console (128 cols + 48 lines with 1024x768) 15 without using tiny, unreadable fonts. 16 * You can run XF68_FBDev on top of /dev/fb0 17 * Most important: boot logo :-) 18 19Disadvantages: 20 21 * graphic mode is slower than text mode... 22 23 24How to use it? 25============== 26 27Switching modes is done using lxfb.mode_option=<resolution>... boot 28parameter or using `fbset` program. 29 30See Documentation/fb/modedb.rst for more information on modedb 31resolutions. 32 33 34X11 35=== 36 37XF68_FBDev should generally work fine, but it is non-accelerated. 38 39 40Configuration 41============= 42 43You can pass kernel command line options to lxfb with lxfb.<option>. 44For example, lxfb.mode_option=800x600@75. 45Accepted options: 46 47================ ================================================== 48mode_option specify the video mode. Of the form 49 <x>x<y>[-<bpp>][@<refresh>] 50vram size of video ram (normally auto-detected) 51vt_switch enable vt switching during suspend/resume. The vt 52 switch is slow, but harmless. 53================ ================================================== 54 55Andres Salomon <dilinger@debian.org>