Q: 'MacModel' replacement for radeon driver?

[Albrecht Dreß]

Hi all,

I am running Ubuntu 12.10 which comes with the radeon driver package '6.99.99~git201209':

----8<--------------------------------------------------
root at antares:~# dpkg -l 'xserver-xorg-video-*'
[snip]
ii  xserver-xorg-video-radeon  1:6.99.99~git201209  powerpc  X.Org X server -- AMD/ATI Radeon display driver
----8<--------------------------------------------------

My box is a PowerMac G4/800 "Silver", equipped with a Radeon 7500 AGP card manufactured for Apple, as it has a ADC connector [1] and a DE-15 VGA output.  BTW, the kernel reports a *third* S-Video connector which is actually not present:

----8<--------------------------------------------------
[drm] Radeon Display Connectors
[drm] Connector 0:
[drm]   DVI-I-1
[drm]   HPD1
[drm]   DDC: 0x64 0x64 0x64 0x64 0x64 0x64 0x64 0x64
[drm]   Encoders:
[drm]     DFP1: INTERNAL_TMDS1
[drm]     CRT2: INTERNAL_DAC2
[drm] Connector 1:
[drm]   VGA-1
[drm]   DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60
[drm]   Encoders:
[drm]     CRT1: INTERNAL_DAC1
[drm] Connector 2:
[drm]   SVIDEO-1
[drm]   Encoders:
[drm]     TV1: INTERNAL_DAC2
----8<--------------------------------------------------

I use a digital Formac TFT, i.e. the kernel connector would be (I think) the 'DFP1' channel of 'DVI-I-1'.

Starting with Ubuntu 9.10 (radeon driver 6.12.99), I had to use the Device option 'Option "MacModel" "mini-internal"'.  Otherwise, the display showed only single pixels, sometimes a blue vertical line, and a greenish shade in some regions.  This was apparently caused by an incorrect connector table (i.e. the video signal applied to the wrong output connector), and fixed by this option.  However, version 6.99.99 just ignores it (according to the log), and I only get the pixels/line/shades again.  Any idea how I could fix this with this driver?

Thanks in advance,
Albrecht.



[1] <http://en.wikipedia.org/wiki/Apple_Display_Connector>
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