1*ab42b818SMauro Carvalho Chehab============= 2*ab42b818SMauro Carvalho ChehabWhat is lxfb? 3*ab42b818SMauro Carvalho Chehab============= 4*ab42b818SMauro Carvalho Chehab 5*ab42b818SMauro Carvalho Chehab.. [This file is cloned from VesaFB/aty128fb] 6*ab42b818SMauro Carvalho Chehab 7*ab42b818SMauro Carvalho Chehab 8*ab42b818SMauro Carvalho ChehabThis is a graphics framebuffer driver for AMD Geode LX based processors. 9*ab42b818SMauro Carvalho Chehab 10*ab42b818SMauro Carvalho ChehabAdvantages: 11*ab42b818SMauro Carvalho Chehab 12*ab42b818SMauro Carvalho Chehab * No need to use AMD's VSA code (or other VESA emulation layer) in the 13*ab42b818SMauro Carvalho Chehab BIOS. 14*ab42b818SMauro Carvalho Chehab * It provides a nice large console (128 cols + 48 lines with 1024x768) 15*ab42b818SMauro Carvalho Chehab without using tiny, unreadable fonts. 16*ab42b818SMauro Carvalho Chehab * You can run XF68_FBDev on top of /dev/fb0 17*ab42b818SMauro Carvalho Chehab * Most important: boot logo :-) 18*ab42b818SMauro Carvalho Chehab 19*ab42b818SMauro Carvalho ChehabDisadvantages: 20*ab42b818SMauro Carvalho Chehab 21*ab42b818SMauro Carvalho Chehab * graphic mode is slower than text mode... 22*ab42b818SMauro Carvalho Chehab 23*ab42b818SMauro Carvalho Chehab 24*ab42b818SMauro Carvalho ChehabHow to use it? 25*ab42b818SMauro Carvalho Chehab============== 26*ab42b818SMauro Carvalho Chehab 27*ab42b818SMauro Carvalho ChehabSwitching modes is done using lxfb.mode_option=<resolution>... boot 28*ab42b818SMauro Carvalho Chehabparameter or using `fbset` program. 29*ab42b818SMauro Carvalho Chehab 30*ab42b818SMauro Carvalho ChehabSee Documentation/fb/modedb.rst for more information on modedb 31*ab42b818SMauro Carvalho Chehabresolutions. 32*ab42b818SMauro Carvalho Chehab 33*ab42b818SMauro Carvalho Chehab 34*ab42b818SMauro Carvalho ChehabX11 35*ab42b818SMauro Carvalho Chehab=== 36*ab42b818SMauro Carvalho Chehab 37*ab42b818SMauro Carvalho ChehabXF68_FBDev should generally work fine, but it is non-accelerated. 38*ab42b818SMauro Carvalho Chehab 39*ab42b818SMauro Carvalho Chehab 40*ab42b818SMauro Carvalho ChehabConfiguration 41*ab42b818SMauro Carvalho Chehab============= 42*ab42b818SMauro Carvalho Chehab 43*ab42b818SMauro Carvalho ChehabYou can pass kernel command line options to lxfb with lxfb.<option>. 44*ab42b818SMauro Carvalho ChehabFor example, lxfb.mode_option=800x600@75. 45*ab42b818SMauro Carvalho ChehabAccepted options: 46*ab42b818SMauro Carvalho Chehab 47*ab42b818SMauro Carvalho Chehab================ ================================================== 48*ab42b818SMauro Carvalho Chehabmode_option specify the video mode. Of the form 49*ab42b818SMauro Carvalho Chehab <x>x<y>[-<bpp>][@<refresh>] 50*ab42b818SMauro Carvalho Chehabvram size of video ram (normally auto-detected) 51*ab42b818SMauro Carvalho Chehabvt_switch enable vt switching during suspend/resume. The vt 52*ab42b818SMauro Carvalho Chehab switch is slow, but harmless. 53*ab42b818SMauro Carvalho Chehab================ ================================================== 54*ab42b818SMauro Carvalho Chehab 55*ab42b818SMauro Carvalho ChehabAndres Salomon <dilinger@debian.org> 56