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Hello,

On Dec 19, 2006, at 15:35, Vincent wrote:

> Ok, I patched the file in order to not call radeon_loadbios when the 
> option flag RADEON_BIOS_INIT is inactive. It works. At least, very 
> partly: the system goes up fine, but I lose any video output at the 
> time the radeonfb driver is attached, so I assume the code, founding 
> no suitable BIOS (the patch I wrote sets cf->cf_biossz to 0) makes 
> (wrong) guesses about the default configuration.

Maybe it just picks a video mode your panel(?) doesn't like.

> Is there a way to compare this dmesg log to the Xorg.log and 
> especially the output of the radeon driver?

Well, look at the xorg logfile.

> radeonfb0: port 0: physical 1024x768 60Hz
> radeonfb0: port 1: physical 1024x768 60Hz

There's a #define at the beginning of radeonfb.c which sets a default 
video mode which is going to be used when there's no information about 
the display available - should be "1024x768@60". The mode must be one 
defined in src/sys/dev/videomodes/videomodes.c - maybe try a few others 
that more closely match whatever your display likes.

have fun
Michael
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