[Bug 15395] New: Problems with radeon M300 and external display

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Apr 7 14:55:45 PDT 2008


           Summary: Problems with radeon M300 and external display
           Product: xorg
           Version: 6.8.0
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: mads at kiilerich.com
         QAContact: xorg-team at lists.x.org

Dell D610 laptop with Radeon Mobility M300, Fedora 8 with
xorg-x11-drv-ati-6.8.0-1.fc8 with radeon_drv.so. I have an external screen

1. Dual screen doesn't work; best case is that both displays show the same
output. When in BIOS and in Linux text-mode nothing is shown on external
display, but when entering graphics mode the external display is enabled. (Yes,
I'm running newest BIOS version, and it can't be changed from BIOS.) Apparently
the hardware or BIOS is broken, but the X driver does something that almost
makes it work.

2. Playing for example ogg video in "any" player shows the video on the
internal screen only - on the external display the area is black. For example
flash or zattoo is shown correctly on both displays. I assume that ogg uses
some hardware decoding functionality which isn't routed correctly.

(I now realize that Fedora 8 carries an old version. I haven't tested newer
versions. If you can use the report anyway then fine. Otherwise feel free to
discard it.)

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