The message still occurs with Stretch kernel 4.9.0-3-amd64. [ +0.000192] fbcon: radeondrmfb (fb0) is primary device [ +0.179799] [drm:si_dpm_set_power_state [radeon]] *ERROR* si_restrict_performance_levels_before_s [ +0.122488] Console: switching to colour frame buffer device 480x135 [ +0.087282] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device [ +0.094945] [drm] Initialized radeon 2.48.0 20080528 for 0000:01:00.0 on minor 0
The message is created in drivers/gpu/drm/radeon/si_dpm.c if si_restrict_performance_levels_before_switch fails. My graphics adapter is 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde XT [Radeon HD 7770/8760 / R7 250X] (prog-if 00 [VGA controller]) xset dpms force standby works fine on my system. Regards Heinrich Schuchardt
