Re: radeonfb monid i2c bus

[Jimmy.Jazz@gmx.net]

Jean Delvare a écrit :
>
> Where is the code handling this? In radeon_monitor.c I can only see
> radeon_probe_i2c_connector() being called on ddc_vga, ddc_dvi and
> ddc_crt2. No reference to ddc_monid.
>
>   
You will find several patches that make use of that functionality.  The 
current radeonfd driver is quite incomplete and is unusable for  the 
never cards that use an atom bios.  The driver needs also to be 
patched.  Some of the ati x800 family cards like the one i own will only 
work with the ddc_monid and  one or more of the patches i mentioned.
> But apparently not all chips have the "monid" bus? Or is it a card
> property, and other cards using the same Radeon 9200 might have it
> while mine doesn't? I wouldn't care about an empty i2c bus, but a
> broken bus as I get now affects the whole i2c subsystem and its users
> in unpleasant ways. That's why I am wondering if there's a way to avoid
> it.
>   
There are certainly many good reasons why the driver will stay 
unchanged. One reason could be, it is stable for most of the users and 
"easily" patchable to fit particular needs. Like me, you need particular 
needs :)




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