fbdev problems on B132L

[Matthias Wenzel <mazzoo@gmx.de>]

Hi,

I successfully run X with an fb device, but only at 1024x768 8bpp.

In the very first boot-menu pressing <TAB> cycles me through several 
monitor settings. 1024x768 is the best mode running on my monitor (a 
Belinea 107010, which could do 1280x1024, but not @ 75Hz, and in the 
boot menu only the VESA mode 1280x1024 @ 75Hz is offered)

In some manual I read that with VESA-fbdev mode swithching is not 
supported, so I guess i am stuck in 1024x768.
Is that (still) right?

Second, I'd like to have more than 8bpp is that feasible?
Whenever I try to switch manually with fbset it tells me:
ioctl FBIOPUT_VSCREENINFO: Invalid argument
Same happens when I tell X to use another bpp.
So is there a way to boot directly in, say 24bpp?


best regards,

Matthias Wenzel


Here's the corresponding dmesg output:
[snip]
parport0: PC-style at 0xffd02800, irq 88 [PCSPP,TRISTATE]
STI word mode ROM at f0011000, hpa=f8000000
STI word mode ROM, id 2d08c0a7-9a02587, conforms to spec rev. 8.07
STI device: INTERNAL_EG_1024
Console: switching to colour frame buffer device 128x48
fb0: stifb 1024x768-8 frame buffer device, id: 2d08c0a7, mmio: 0xf8100000
pty: 256 Unix98 ptys configured
[snip]

and fbset output:
~# fbset -i

mode "1024x768"
    geometry 1024 768 1024 768 8
    timings 0 0 0 0 0 0 0
    rgba 8/0,8/0,8/0,0/0
endmode

Frame buffer device information:
    Name        :
    Address     : 0xf9000000
    Size        : 4194304
    Type        : PACKED PIXELS
    Visual      : PSEUDOCOLOR
    XPanStep    : 0
    YPanStep    : 0
    YWrapStep   : 0
    LineLength  : 2048
    Accelerator : No



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