[Bug 72087] New: Black levels incorrect during video playback at first

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72087

          Priority: medium
            Bug ID: 72087
          Assignee: dri-devel at lists.freedesktop.org
           Summary: Black levels incorrect during video playback at first
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: pyrodex at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Radeon
           Product: DRI

Created attachment 89920
  --> https://bugs.freedesktop.org/attachment.cgi?id=89920&action=edit
Xorg log file

I am currently running XBMC nightly and have been working with fritsch via the
XBMC forums to diagnose this issue. My current setup is as follows:

AMD A6-3500 APU with Radeon(tm) HD Graphics
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
BeaverCreek [Radeon HD 6530D]
00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] BeaverCreek HDMI
Audio [Radeon HD 6500D and 6400G-6600G series]

Ubuntu 13.10 running 2.13-rc1 with mesa git
(10.0~git201311181342.37827~ubuntu13.10.1)

My HTPC is connected to a Denon AVR-991 then connected to a Panasonic 50"
Plasma. The Denon is setup for 0-255 levels and the HTPC via XBMC is set for
16-235 due to it being "darker" than normal after the leap from windows.
Recently I've added an xrandr setting to turner Dither to ON since before the
setting it would occasionally switch black levels through video play and with
the new setting it ONLY does it on startup of video playback and then corrects
itself 2-3 seconds later. 

I am in the process of taking a video now for reference and will upload it
later today.

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