Comment # 1 on bug 80365 from Tom

Update:
Still the same issue with kernel 3.17-rc1

Linux tm-stc 3.17.0-1-mainline #1 SMP PREEMPT Mon Aug 18 23:28:29 CEST 2014
x86_64 GNU/Linux

[   13.969980] [drm:ci_dpm_set_power_state] *ERROR*
ci_upload_dpm_level_enable_mask failed
[   14.240191] [drm:ci_dpm_set_power_state] *ERROR*
ci_upload_dpm_level_enable_mask failed