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Radeon / PowerPC (iBook G4) / Help sought with weird colorization of External LCD

Hi All,

Just wondering if anyone has some insight as to why connecting an
external LCD monitor through Linux (Debian Etch with 2.6.22 vanilla
kernel) would produce an odd blue cast to greys and a faint pink tinge
to my white?

The reason I noticed the colorization is that using the exact same
monitor under Mac OS X 10.4 does *not* produce the colorization. I
thought it might be the ICC file OS X uses in its ColorSync setup, so I
copied that to my linux drive and ran "xcalib -s 1 -v myColors.icc",
however, while this did change things, it hasn't set things "right" so
to speak.

The iBook uses the same port to drive both external monitors and TVs; it
depends which special adapter cable you plug in. So I was wondering if
there might be a setting on the Radeon card which is currently in "TV"
mode instead of "LCD" mode or something similar. Is it possible to get
the output of radeontools under OS X and diff it with my Linux setup??

Any and all help much appreciated.


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