[Bug 11850] New: xf86-video-ati newer than 6.6.3 incorrectly identifies displays.

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=11850

           Summary: xf86-video-ati newer than 6.6.3 incorrectly identifies
                    displays.
           Product: xorg
           Version: 7.2
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: yoshi314 at gmail.com
         QAContact: xorg-team at lists.x.org


i had a problem stated in bug #9892. it was partly resolved, so i decided to
open a new bug. 

i discovered that it boils down to the driver incorrectly detecting my display
type.

i have an RV370 pci-e card (gigabyte x300se) with one dvi-i port and one
s-video output.

05:00.0 VGA compatible controller: ATI Technologies Inc RV370 5B60 [Radeon X300
(PCIE)]
05:00.1 Display controller: ATI Technologies Inc RV370 [Radeon X300SE]

the problem is - my LCD gives out into "no signal" when starting X with any
version of xf86-video-ati driver a few git commits after 6.6.3 (specifically
the "dynamically allocate connectors commit broke the driver for me, see bug
#9892).

i have benq fp72g+d lcd display connected via dvi cable.

first test:


today's git
-------------------------
i specified Option "Monitor Layout" "TMDS,TMDS" in xorg.conf

X starts and works (judging by HDD activity) and i can kill it with
ctrl+alt+bksp every time with no lockups.

http://pastebin.ca/646277

look closely at lines 607-617 - it claims that my display is connected via VGA
port, which my card does not even have!
-------------------------

6.6.3
-------------------------
http://pastebin.ca/646281

again, look at lines 586 - 596. see the difference? this time my display is
identified on DVI-I conector (which is right).
-------------------------

without specifying the MonitorLayout option the logs look about the same.

i'll post them later if needed.


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