Hi,
> > > Fix panning on ARAnyM (Falcon emulation). Without this, `fbtest test011'
> > > fails
> > > (for a 320x200x8 display with virtual 640x400).
> >
> > Fails how, exactly?
>
> It shows a corrupted display (bad line length) if xoffset & 15 != 0.
OK; this should work but I'll have to verify it in 2.4.
> > If var->xoffset has the low order bits set (sub-word pixel offset)
> > par->hw.falcon.xoffset takes care of that, and xoffset takes care of the
> > rest.
> > Since the partial word offset shifts the beginnig of the scan line into the
> > first word, the offset to the next scan line (par->hw.falcon.line_offset)
> > has to
> > be shortened.
>
> Sounds reasonable. But the shortening part doesn't work on ARAnyM, nor do
> small panning increments. So it really smells like an ARAnyM bug.
Petr said as much if I understand him right. No need to fix ARAnyM though, we
just need to keep that in mind.
> > I'll test your patch as soon as I get fbtest to work (missing
> > libgcc_s.so.2).
>
> The alternative is to compile fbtest yourself (CVS module
> FBdev/utlilities/fbtest from project linux-fbdev on sf.net).
Tried that before but could not get it to work a year ago. Will retry.
> I've been thinking of putting a git clone on kernel.org...
Good thinking - git I can use (sort of) :-)
Michael
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