[Bug 12467] New: RV350 (Mobility M10) produces garbled output with X.org 7.3

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12467

           Summary: RV350 (Mobility M10) produces garbled output with X.org
                    7.3
           Product: xorg
           Version: 7.3
          Platform: x86 (IA32)
        OS/Version: FreeBSD
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: freebsd at chillt.de
         QAContact: xorg-team at lists.x.org


After upgrading from X.org 7.2 to 7.3, my laptop's Radeon Mobility M10 shows
garbled, fast changing patterns instead of the actual screen contents on the
internal LCD.

The laptop is a Dell Inspiron 8600C with a 15.4" 1920x100 LCD, running FreeBSD
6-STABLE. I have experimented both with driver version 6.7.192 included in
X.org 7.3 and the driver from git HEAD. Both lead to corrupt display, while the
driver from X.org 7.2 works fine.

I have tracked this problem down to git commit
62f06d89da3f7160d5e4df8d7ce6fe1a94e9d07c. If I revert that commit, both the 7.3
driver and git HEAD produce correct output. Right now, I am running driver
version 6.7.192 with that one commit reverted.

Simply reverting a commit I know nothing about is not a solution, of course,
but it seems to work around some bug introduced with that change.


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