[Bug 76130] Radeon HD 4570 set dpm state fails after suspend

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76130

--- Comment #12 from Jim <freedesktop.jim-j at mamber.net> ---
I just realized that another performance issue I had is actually caused by this
bug.  This occurs with kernel 3.10.0-229.1.2.el7.centos.plus (and probably all
kernels).  After I suspend/resume scrolling in gnome-terminal is very slow. 
For example if I 'cat /var/log/messages' then scrolling in gnome-terminal is
very jerky.  Likewise scrolling from within vi or less (/var/log/messages is a
good way to test) is also painfully slow.  Booting with "radeon.dpm=0" also
solves this gnome-terminal scroll problem for me.

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