[Bug 11781] xf86-video-ati-6.6.192 make mplayer -vo xv displaying blank image

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=11781





------- Comment #7 from agd5f at yahoo.com  2007-08-10 12:16 PST -------
> However, as the attached Xorg.0.log shows, the ati driver wrongly
> detects *twice* the same monitor...
> 
> I really have only one monitor... I think that the monitor detection fixes that
> wented in for bug #10772 are not enought...
> 
> I've only one monitor, connected to the single vga port of my old
> "Radeon R200 QL [Radeon 8500 LE]" (PCI ids: vendor=0x1002
> device=0x514c subv=0x1681 subd=0x0003).
> 

(II) RADEON(0): Port1:
 Monitor   -- CRT
 Connector -- VGA
 DAC Type  -- Primary
 TMDS Type -- External
 DDC Type  -- VGA_DDC
(II) RADEON(0): Port2:
 Monitor   -- CRT
 Connector -- VGA
 DAC Type  -- Primary
 TMDS Type -- External
 DDC Type  -- VGA_DDC

both channels have the same DDC type so the driver is using the same DDC
channel for both ports, hence you monitor being detected twice.  I suspect
there is a problem with your bios connector table. the reason Xv is not working
is because both crtcs are active and crtc2 happens to be driving the one you
are viewing (by default the overlay is sourced to crtc1).  Alternatively, you
could specify a monitorlayout or turn off mergedfb so that only crtc1 is
active.


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