part deux Re: Radeon 7000 in 9500 - which slot?
benh at kernel.crashing.org
Thu Oct 17 05:53:39 EST 2002
>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
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