[Bug 93361] 12bpc hdmi causes wrong real refresh rate (swapbuffers return time)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93361

Tomeu Vizoso <tomeu at tomeuvizoso.net> changed:

           What    |Removed                     |Added
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 Attachment #129555|0                           |1
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--- Comment #10 from Tomeu Vizoso <tomeu at tomeuvizoso.net> ---
Created attachment 129600
  --> https://bugs.freedesktop.org/attachment.cgi?id=129600&action=edit
patch that adds debug logging

Big thanks to both.

The logs clearly point to a failure to clamp the pipe's max bpp value according
to the sink's max bpc (in connected_sink_compute_bpp()), but I don't really see
yet how that would be possible.

Could you please do the same with this new patch? It should apply cleanly to
drm-tip: 2017y-02m-14d-12h-28m-14s.

And please remember to boot with drm.debug=0xe.

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