[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 #5 from Thaddäus Tintenfisch <thad.fisch at gmail.com> ---
I'm also affected by this bug and I can confirm the performance hit after
resuming the system from suspend.

Radeon HD 4330 + kernel 3.15.2

[ 4772.472528] [drm:rv730_stop_dpm] *ERROR* Could not force DPM to low
[ 4772.954683] [drm] PCIE GART of 1024M enabled (table at 0x000000000025D000).
[ 4773.002123] [drm] ring test on 0 succeeded in 1 usecs
[ 4773.002180] [drm] ring test on 3 succeeded in 1 usecs
[ 4773.187038] [drm] ring test on 5 succeeded in 1 usecs
[ 4773.187042] [drm] UVD initialized successfully.
[ 4773.187067] [drm] ib test on ring 0 succeeded in 0 usecs
[ 4773.187089] [drm] ib test on ring 3 succeeded in 1 usecs
[ 4773.337007] [drm] ib test on ring 5 succeeded
[ 4773.507776] [drm:rv770_dpm_set_power_state] *ERROR* rv770_set_sw_state
failed

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