Mailinglist Archive: radeonhd (333 mails)

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[radeonhd] [Bug 18047] New: Mobility Radeon HD 3470 - dual head, second screen stays blank
  • From: bugzilla-daemon@xxxxxxxxxxxxxxx
  • Date: Mon, 13 Oct 2008 11:45:25 -0700 (PDT)
  • Message-id: <bug-18047-248@xxxxxxxxxxxxxxxxxxxxxxxxx/>
http://bugs.freedesktop.org/show_bug.cgi?id=18047

Summary: Mobility Radeon HD 3470 - dual head, second screen stays
blank
Product: xorg
Version: 7.4
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Driver/radeonhd
AssignedTo: lverhaegen@xxxxxxx
ReportedBy: freedesktop@xxxxxxx
QAContact: xorg-team@xxxxxxxxxxx


Hi!

I tried todays git-version of the radeonhd driver, but it still has problems
with my card/setup. There are two screens (1680x1050 and 1280x1024) connected
to both DVI-ports of the card. If I start gdm with the supplied xorg.conf, then
both screens run in clone-mode (1280x1024). If I run xrandr --output ...
--auto, the smaller screen blanks and outputs "No signal detected". If I
manually set both screens to the correct resolution, the smaller screen says
"Out of range". I tried a lot in xorg.conf, but setting preferred-mode for both
screens only gave me a "widescreen-clone mix" where both screens are in clone
mode, but i can move the mouse out of the visible area.

I hope everything needed to find the cause is attached.

Best regards,
Andreas


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