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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /Documentation/fb/lxfb.txt | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'Documentation/fb/lxfb.txt')
-rw-r--r-- | Documentation/fb/lxfb.txt | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Documentation/fb/lxfb.txt b/Documentation/fb/lxfb.txt new file mode 100644 index 00000000..38b3ca6f --- /dev/null +++ b/Documentation/fb/lxfb.txt @@ -0,0 +1,52 @@ +[This file is cloned from VesaFB/aty128fb] + +What is lxfb? +================= + +This is a graphics framebuffer driver for AMD Geode LX based processors. + +Advantages: + + * No need to use AMD's VSA code (or other VESA emulation layer) in the + BIOS. + * It provides a nice large console (128 cols + 48 lines with 1024x768) + without using tiny, unreadable fonts. + * You can run XF68_FBDev on top of /dev/fb0 + * Most important: boot logo :-) + +Disadvantages: + + * graphic mode is slower than text mode... + + +How to use it? +============== + +Switching modes is done using lxfb.mode_option=<resolution>... boot +parameter or using `fbset' program. + +See Documentation/fb/modedb.txt for more information on modedb +resolutions. + + +X11 +=== + +XF68_FBDev should generally work fine, but it is non-accelerated. + + +Configuration +============= + +You can pass kernel command line options to lxfb with lxfb.<option>. +For example, lxfb.mode_option=800x600@75. +Accepted options: + +mode_option - specify the video mode. Of the form + <x>x<y>[-<bpp>][@<refresh>] +vram - size of video ram (normally auto-detected) +vt_switch - enable vt switching during suspend/resume. The vt + switch is slow, but harmless. + +-- +Andres Salomon <dilinger@debian.org> |