[Bug 202445] amdgpu/dc: framerate dropping below adaptive sync range causes screen flickering
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Fri Mar 1 16:43:39 UTC 2019
https://bugzilla.kernel.org/show_bug.cgi?id=202445
--- Comment #20 from Nicholas Kazlauskas (nicholas.kazlauskas at amd.com) ---
That patch certainly helps for the case where the pageflip was submitted during
vblank (the frontporch will no longer timeout, causing flickering).
The video you recorded helped identify what I think is the specific issue in
this case though - I believe that the implementation is frequently changing the
BTR target instead or prioritizing the last used target rate.
There should be a fix for this coming soon, it should also apply to 5.0 once
it's done.
Thanks for the report!
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