[Bug 68804] New: 16 re-frames video decoding stutter on UVD with radeon driver

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68804

          Priority: medium
            Bug ID: 68804
          Assignee: dri-devel at lists.freedesktop.org
           Summary: 16 re-frames video decoding stutter on UVD with radeon
                    driver
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: russianneuromancer at ya.ru
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 84984
  --> https://bugs.freedesktop.org/attachment.cgi?id=84984&action=edit
dmesg

16 re-frames video decoding (and probably also 12 re-frames) stutter on UVD
with radeon driver (same video is decoded fine with fglrx driver via XvBA).
mplayer2 with enabled VDPAU is used for this test.
16 re-frames sample: http://www.mediafire.com/?tdukvcaj87nivn7

Radeon HD 6310
Linux 3.11 with drm-next from this folder:
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-next/current/ (build
3.11.0-996.201308300442). radeon.dpm is enabled.
libdrm 2.4.46+git1308291007.f17d41
xserver-xorg-video-radeon 7.2.0+git1308270847.8927d3
Mesa 9.3~git1308301002.74be77
libvdpau1 0.7-1
mplayer2 2.0-554-gf63dbad
Ubuntu 13.04 x86_64

Driver, Mesa and firmwares installed from this PPA:
https://launchpad.net/~oibaf/+archive/graphics-drivers

dmesg output attached.
vdpauinfo output attached.

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