[Bug 106175] amdgpu.dc=1 shows performance issues with Xorg compositors when moving windows

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106175

--- Comment #42 from Brandon Wright <bearoso at gmail.com> ---
This is pretty serious. Just moving the mouse cursor around while something
slightly GPU-heavy is running at 60hz can produce frame-skipping.

I switched the display core off with amdgpu.dc=0 and everything got
significantly smoother and chromium doesn't chug on heavy pages any more.

I'm using 4.19.x. I haven't tried the drm-next-4.21-wip tree yet.

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