[FFmpeg-trac] #8941(undetermined:new): Wrong color levels with kmsgrab and vaapi

[FFmpeg]

#8941: Wrong color levels with kmsgrab and vaapi
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             Reporter:  kokoko3k     |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:
             Keywords:  kmsgrab      |               Blocked By:
  vaapi color levels                 |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
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Comment (by kokoko3k):

 Yeah, i use xrandr plus display controls just to be sure.
 Black to white gradients are perfect (no banding, full range).

 I'm not sure to close this one; read: my particular issue is solves, but i
 did not understood if it is just a workaround or not.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8941#comment:12>
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