Dear all,
I am trying to fix an issue with color inversion in the current offb.c
implementation. I am using a Mac Mini G4 (PPC) with:
[ 0.844144] fb0: Open Firmware frame buffer device on
/pci@f0000000/ATY,RockHopper2Parent@10/ATY,RockHopper2_A@0
reported as [*]. I have tried looking at the upstream code source, and
it appears that my configuration falls into the 'cmap_simple'. But
other than that I failed to understand what could be wrong (palette
would be setup backward).
What are the low level tool (user-space) I can use to try to
understand what is wrong with offb on my machine without rebuilding
the kernel (CONFIG_FB_OF is not a module) ?
Thanks much,
[*] $ fbset -i
mode "800x600-186"
# D: 100.000 MHz, H: 119.048 kHz, V: 186.012 Hz
geometry 800 600 800 600 8
timings 10000 16 16 16 16 8 8
rgba 8/0,8/0,8/0,0/0
endmode
Frame buffer device information:
Name : OFfb ATY,RockHo
Address : 0x9c008000
Size : 614400
Type : PACKED PIXELS
Visual : PSEUDOCOLOR
XPanStep : 0
YPanStep : 0
YWrapStep : 0
LineLength : 1024
Accelerator : No
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