[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 #62 from Brandon Wright <bearoso at gmail.com> ---
(In reply to tempel.julian from comment #61)
> I just noticed that it works fine with xf86-video-amdgpu driver, but with
> modesetting driver, xorg or the driver freezes when starting/logging in. Not
> sure if this is related to latest 4.21-wip-changes or the cursor patch
> though.
I'm getting the modesetting freeze, too, on 4.20-rc3, so it's likely the cursor
patch. I called it a "fix", in quotation marks for a reason. I've barely looked
at the KMS/DRM stuff for an hour, so I have no clue what I'm doing. I just
wanted to show the AMD guys that we have pinpointed the problem, give them
something that we can confirm no longer produces the problem, and hope that
they'd go ahead and do things correctly.

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