radeon driver 6.9.0 broken on RS482

Thomas Richter thor at math.tu-berlin.de
Fri Mar 6 16:16:09 PST 2009


Hi folks,

probably this bug is fixed on the latest driver version, but just in 
case: We're using here a batch of PC sponsored by the country that use a 
AMD chipset graphics, the RS482 to be precise. Unfortunately, the 6.9.0 
driver included in Debian lenny doesn't play well with it - 
specifically, it doesn't like monitors connected to the DVI output.

The following configuration "patch" works around this problem:



Section "Device"
   BoardName    "Radeon XPRESS 200 5974 (PCIE)"
   BusID        "PCI:1:5:0"
   Driver       "radeon"
   Identifier   "Device[0]"
    Option       "LVDSProbePLL" "off"  # <--- damn important
    Option "MergedFB" "true"
   VendorName   "ATI"
EndSection

thus, it looks as if the driver thinks it's working on laptop (which it 
isn't).

Just to let you know...

Thanks,
	Thomas




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