[Bug 83461] hdmi screen flicker/unusable

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=83461

--- Comment #28 from kb at spatium.org ---
I think your patch has a typo on line 1002 should be ref_div_max not
fb_div_max.

Anyway I played with the numbers and I found a config that works for me. See
below for all the different combos. Right now I'm running with ref_div_max
capped to 2 and going to test it in prolonged use. Any further ideas about
this?

fb/ref => outcome

4000/13 => mode not supported (message on TV screen)
2000/13 => MNS
1000/13 => MNS
500/13 => MNS

4000/1023 => MNS
2000/1023 => MNS
1000/1023 => MNS

20470/1023 => (nominal value without any capping) flicker
10000/1023 => flicker
8000/1023 => different type of flicker, then blank screen
6000/1023 => MNS

20470/13 => flicker
20470/11 => flicker
20470/10 => flicker
20470/9 => very seldom flicker
20470/7 => stable!
20470/2 => stable!

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