[Bug 110674] Crashes / Resets From AMDGPU / Radeon VII

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110674

--- Comment #104 from Tom B <tom at r.je> ---
I did get very similar crashing when I was running HDMI + DP at different
refresh rates ( see https://bugs.freedesktop.org/show_bug.cgi?id=110510 ). I
switched to DP + DP because HDMI+DP wasn't stable, it could be related.

the tl;dir from that bug report, and this was on 5.0.9:

- HDMI alone at 60hz works but the screen flickers off every 3-5 minutes
- HDMI alone works at 59.9hz without any flickering
- HDMI 60hz + DP 60hz works, but the HDMI screen flickers off every 3-5 minutes
- HDMI 59.94hz + DP 60hz freezes the PC instantly.

Unfortunately my monitors don't support displayport at 59.94hz so I couldn't
test that combination as I think it would have worked. 

Still, it does tell us that these could be related and the issue could be
syncing between the two displays.

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