Re: part deux Re: Radeon 7000 in 9500 - which slot?

It is not detecting the heads properly because on many "mac" radeons, the
firmware doesn't initialize the SCRATCH registers properly which contain
information about display type.  There is no reliable method of probing
display type on ppc so I will end up adding a display type option to
radeonfb next version.

Well... It should be possible to get that info from OF properties
or is the OF driver broken enough to not export that either ?

How does the MacOS driver to probe displays ? Isn't it possible
to just try the various i2c channels until an EDID is found to
figure what's up ? The CRT port can definitely probe for the
presence of the display by measuring the load on the analog
outputs.

Ben.


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