[Bug 207383] [Regression] 5.7 amdgpu/polaris11 gpf: amdgpu_atomic_commit_tail

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=207383

--- Comment #102 from Duncan (1i5t5.duncan at cox.net) ---
(In reply to Duncan from comment #101)
> (In reply to Nicholas Kazlauskas from comment #95)
> > 0001-drm-amd-display-Force-add-all-CRTCs-to-state-when-us.patch
> 
> Just booted to 5.8-rc7 with this patched in locally (and the g320+ reverts
> /not/ patched in).  So testing, but noting again that the bug can take a
> couple days to trigger on my hardware, so while verifying bug-still-there
> /might/ be fast, verifying that it's /not/ there will take awhile.

So far building system updates so heavy cpu load while playing only moderate
FHD video.  No freezes but I have seen a bit of the predicted judder.

I suspect the synchronization is preventing the freezes, and the judder hasn't
been /bad/.  But with different-refresh monitors (mine are both 60 Hz 4k
bigscreen TVs so same refresh), or trying 4k video, particularly 4k60 which my
system already struggles with, or possibly even both say 120 Hz monitors, the
judder would be noticeably worse.  The 4k30 and 4k60 youtube tests will
probably have to wait for tomorrow, tho, as I've been up near 24 now...

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