[Bug 93162] playing video while suspending results in screen corruption at resume

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93162

            Bug ID: 93162
           Summary: playing video while suspending results in screen
                    corruption at resume
           Product: Mesa
           Version: 11.0
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: serafean at gmail.com
        QA Contact: dri-devel at lists.freedesktop.org

Smplayer was playing a movie, the PC suspended.
At resume, all screens looked like analog noise, and the playing movie was
stuck looping on a few frames. Closing smplayer and starting the movie again
worked fine though.
In dmesg, the only relevant lines during suspend are :

[27911.777744] sd 6:0:1:0: [sdc] Stopping disk
[27912.215648] radeon 0000:01:00.0: couldn't schedule ib
[27912.215672] [drm:radeon_uvd_suspend [radeon]] *ERROR* Error destroying UVD
(-22)!                                                                          
[27912.387056] PM: suspend of devices complete after 651.111 msecs

And during resume : [27912.467612] [drm] PCIE GART of 1024M enabled (table at
0x0000000000274000).
[27912.467683] radeon 0000:01:00.0: WB enabled
[27912.467685] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
0x0000000080000c00 and cpu addr 0xffff88012a3d8c00
[27912.468456] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
0x0000000000072118 and cpu addr 0xffffc90001032118
[27912.468457] radeon 0000:01:00.0: fence driver on ring 1 use gpu addr
0x0000000080000c04 and cpu addr 0xffff88012a3d8c04
[27912.468459] radeon 0000:01:00.0: fence driver on ring 2 use gpu addr
0x0000000080000c08 and cpu addr 0xffff88012a3d8c08
[27912.468461] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
0x0000000080000c0c and cpu addr 0xffff88012a3d8c0c
[27912.468462] radeon 0000:01:00.0: fence driver on ring 4 use gpu addr
0x0000000080000c10 and cpu addr 0xffff88012a3d8c10

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