[Bug 20752] New: [KMS] radeon not working reliable with X1300

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=20752

           Summary: [KMS] radeon not working reliable with X1300
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.35
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: tkrah@fachschaft.imn.htwk-leipzig.de
        Regression: No


Hi,

got a 

01:00.0 VGA compatible controller: ATI Technologies Inc RV516 [Radeon
X1300/X1550 Series]

card and tried to use KMS and radeon since its in the mainline tree but got no
luck yet.
Resolution change does work and X is working too but there are some "bugs"
which makes it unusable.

1. Console/Screen does blank from time to time - i can switch to first tty and
wait and seeing the screen going blank for seconds and reappearing few seconds
later. It does this a few times per minute.
Using X it appears to be not that often but still happening.
2. In X Screen does have some black lines running over the screen every time -
reading some text on white background is really hard because of these black
lines running through the screen everytime, hope you know what i mean - can't
make a screenshot - this may not be related to KMS at all and i have to talk to
Xorg guys for this error - please tell me - don't know where to report this one
best.

The only configuration which is usable in terms of you can do your work >1 hour
is to disable KMS and using the "old" radeonhd Xorg driver - which does work
fine and without those "glitches".
Any help or information i can provide to make radeon "work" like radeonhd?

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