[Bug 102351] New: Radeon R9 270: Flickering Screen (Dual Monitor setup)

* [Bug 102351] New: Radeon R9 270: Flickering Screen (Dual Monitor setup)
@ 2015-08-05 20:39 bugzilla-daemon
  2015-08-05 20:48 ` [Bug 102351] " bugzilla-daemon
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: bugzilla-daemon @ 2015-08-05 20:39 UTC (permalink / raw)
  To: dri-devel

https://bugzilla.kernel.org/show_bug.cgi?id=102351

            Bug ID: 102351
           Summary: Radeon R9 270: Flickering Screen (Dual Monitor setup)
           Product: Drivers
           Version: 2.5
    Kernel Version: Linux 4.2RC5
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: beta992@gmail.com
        Regression: No

Created attachment 184471
  --> https://bugzilla.kernel.org/attachment.cgi?id=184471&action=edit
Samsung Monitor setup

Hardware Setup:
- ASUS P8H67-M Pro B3
- Club 3D Radeon R9 270 royalQueen:
*DP => works without any issues (DELL U2312HM)
*DVI => flickering, on/off (Samsung 2253LW)

Booting with the following parameters reduces the flickering, but still it
keeps happening: radeon.audio=0 radeon.bapm=1 radeon.disp_priority=2
radeon.hw_i2c=1 radeon.msi=1 radeon.mst=1 radeon.tv=0

In Windows 8.1 this also happens, but less frequent then in Linux.

The Samsung monitor seems to be working fine (pretty old), but I think this
could be a DVI issue (has only VGA/DVI-output), but can't test on HDMI.

Thanks and please let me know if more debug info is needed.

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