[Bug 51420] Running any program in Wine causes 100% cpu usage in Xorg

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=51420

--- Comment #54 from mitchell4136 at gmail.com ---
(In reply to haphazardsasquatch from comment #53)
> So I thought I'd test this, too.
> debian 11, nvidia 418.211.00 from non-free, winehq-devel 7.0~rc5~bullseye-1
> and winehq-devel 6.11
> 
> The current version starts causing 99.5+ cpu usage in htop as soon as
> anything wine starts running (winecfg for example), 6.11 is clean.
> 
> I couldn't find a difference in connecting an external dvi display, even
> without one - just using the laptop's internal one - this bug occurs.
> 
> Given that we know the offending commit, matt has written a first patch and
> we have multiple independent reproductions, is there anything else a user
> can supply to help, so that this regression doesn't make it into the
> upcoming stable release?
> 
> thanks

I think it was figured out that it's not exclusive to DIV-D displays, but
rather displays that at the hardware level only support a single resolution
(still potentially in multi-monitor configs), and require GPU scaling for lower
resolutions. These kinds of monitors tend to like DVI-D as input but i saw
another bug report that was marked a duplicate of this one that was on a laptop
hooked up to an HDMI display.

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