From c805df3d6205573fa7a8ef2334b1c8d67381dc8b Mon Sep 17 00:00:00 2001 From: Andres Salomon Date: Mon, 28 Apr 2008 02:15:27 -0700 Subject: lxfb: rename kernel arg fbsize to vram Match other fb drivers (including gxfb). Also, document the current boot arguments in Documentation/fb/lxfb.txt. Signed-off-by: Andres Salomon Cc: "Antonino A. Daplas" Cc: Jordan Crouse Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/fb/lxfb.txt | 50 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/fb/lxfb.txt (limited to 'Documentation/fb') diff --git a/Documentation/fb/lxfb.txt b/Documentation/fb/lxfb.txt new file mode 100644 index 00000000000..80656078d4d --- /dev/null +++ b/Documentation/fb/lxfb.txt @@ -0,0 +1,50 @@ +[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=... 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.