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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jul 28 16:32:00 UTC 2017


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

Elizabeth <elizabethx.de.la.torre.mena at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #22 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
(In reply to Tomeu Vizoso from comment #20)
> Kevin, I think this bug should remain open until the i915 driver becomes
> able to get a more accurate clock with 12bpc. This should be possible by
> using clock bending to match the desired refresh rate but this is a change
> that would considerably complicate clock handling in the code and so far
> nobody has started work on this.
> 
> That said, I'm reducing the priority to medium because there's a workaround
> that restores the previous behavior (replacing the edid with
> drm_kms_helper.edid_firmware), and my understanding is that the Highest
> priority is reserved for regressions that don't have a known workaround.
Good afternoon,
Is there any update in this case? Is the accuracy improved in latest updates?
Thank you.

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