[I810fb-user] 2.6.5 Kernel

[<GF...@at...>]

Hi Guys,

I was wondering if anyone could point me in the right direction?
I am currently trying to use the i810fb driver that came with the stock=

2.6.5 kernel.  I have compiled in all the options as specified in the
linux/Documentation/fb/intel810.txt file.  All of the FB relavant drive=
rs
are compiled into the kernel and are not modules.  I am using LILO and =
this
is what I am using as the options:

append=3D"root=3D/dev/hda2
video=3Di810fb:vram:2,xres:640,yres:480,bpp:8,hsync1:30,hsync2:55,vsync=
1:50,vsync2:85,accel,mtrr"

This actually works and we get a 640x480 fb console.  (The cursor does
appear to be porked, but that is not a real concern for me.)  When runn=
ing
fbset --info we get the following:


mode "640x480-85"
    # D: 35.651 MHz, H: 42.849 kHz, V: 84.850 Hz
    geometry 640 480 800 2621 8
    timings 28050 96 32 21 1 64 3
    accel true
    rgba 8/0,8/0,8/0,0/0
endmode

Frame buffer device information:
    Name        : I810
    Address     : 0x81000000
    Size        : 2097152
    Type        : PACKED PIXELS
    Visual      : PSEUDOCOLOR
    XPanStep    : 8
    YPanStep    : 1
    YWrapStep   : 0
    LineLength  : 800
    MMIO Address: 0xc0000000
    MMIO Size   : 524288
    Accelerator : Unknown (39)

This also appears to be fine.  Am I correct?

Now comes the tricky part.  If I change the above kernel options to be
800x600, when the system boots we get a blank screen as soon as the fb
driver kicks in.  This is also replicated by using the fbset -xres 800
-yres 600.  When we run fbset --info during this state we get the
following:


mode "800x600-58"
    # D: 35.651 MHz, H: 35.938 kHz, V: 57.501 Hz
    geometry 800 600 800 2621 8
    timings 28050 96 32 21 1 64 3
    accel true
    rgba 8/0,8/0,8/0,0/0
endmode

Frame buffer device information:
    Name        : I810
    Address     : 0x81000000
    Size        : 2097152
    Type        : PACKED PIXELS
    Visual      : PSEUDOCOLOR
    XPanStep    : 8
    YPanStep    : 1
    YWrapStep   : 0
    LineLength  : 800
    MMIO Address: 0xc0000000
    MMIO Size   : 524288
    Accelerator : Unknown (39)

Again, I can't see anything partuiclarly wrong with this, but I am
relativly new to the 810 and the frame buffer system.

If anyone has any ideas, Or suggestion on where I should go from here,
please let me know.

Regards,
Gra

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