radeonhd decides to use reduced power for off and idle only. I've tested 168750 kHz / 400000 kHz / 1.200 V with two screens, HDMI and Xv - works without any corruptions. (II) RADEONHD(0): FirmwareInfo Revision 0104 (II) RADEONHD(0): Unused attribute: ul3DAccelerationEngineClock 0 (II) RADEONHD(0): Unused attribute: ulDriverTargetEngineClock 0 (II) RADEONHD(0): Unused attribute: ulDriverTargetMemoryClock 0 (II) RADEONHD(0): Unused attribute: ucASICMaxTemperature 0 (II) RADEONHD(0): Scary bits: Estimated MinEngineClock 250000 kHz (II) RADEONHD(0): Scary bits: Estimated MinMemoryClock 250000 kHz (II) RADEONHD(0): Default Engine Clock: 680000 (II) RADEONHD(0): Default Memory Clock: 800000 (II) RADEONHD(0): Current Engine Clock: 675000 (II) RADEONHD(0): Current Memory Clock: 792000 (II) RADEONHD(0): Current Chip Voltage: 0 (II) RADEONHD(0): Power Management: used engine clock / memory clock / core (VDDC) voltage (0: ignore) (II) RADEONHD(0): Power Management: Raw Ranges (II) RADEONHD(0): Minimum 250000 kHz / 250000 kHz / 0.950 V (II) RADEONHD(0): Maximum 0 kHz / 0 kHz / 1.200 V (II) RADEONHD(0): Default 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): PowerPlayInfo Revision 0401 (II) RADEONHD(0): Power Management: Validated Ranges (II) RADEONHD(0): Minimum 110000 kHz / 250000 kHz / 0.950 V (II) RADEONHD(0): Maximum 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): Default 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): Power Management: Known Good Configurations (II) RADEONHD(0): 1 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): 2 110000 kHz / 405000 kHz / 0.950 V (II) RADEONHD(0): 3 300000 kHz / 405000 kHz / 0.950 V (II) RADEONHD(0): 4 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): 5 110000 kHz / 405000 kHz / 0.950 V (II) RADEONHD(0): 6 110000 kHz / 405000 kHz / 0.950 V (II) RADEONHD(0): 7 300000 kHz / 405000 kHz / 0.950 V (II) RADEONHD(0): 8 300000 kHz / 400000 kHz / 1.200 V (II) RADEONHD(0): 9 550000 kHz / 700000 kHz / 1.200 V (II) RADEONHD(0): 10 550000 kHz / 700000 kHz / 1.200 V (II) RADEONHD(0): 11 300000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): 12 300000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): 13 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): 14 300000 kHz / 405000 kHz / 0.950 V (II) RADEONHD(0): 15 300000 kHz / 405000 kHz / 0.950 V (II) RADEONHD(0): ForceLowPowerMode: forced engine clock at 168750kHz (II) RADEONHD(0): ForceLowPowerMode: calculated memory clock at 400000kHz (II) RADEONHD(0): Power Management: Final Levels (II) RADEONHD(0): Off 110000 kHz / 250000 kHz / 0.950 V (II) RADEONHD(0): Idle 168750 kHz / 400000 kHz / 1.200 V (II) RADEONHD(0): Slow2D 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): Fast2D 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): Slow3D 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): Fast3D 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): Max3D 680000 kHz / 800000 kHz / 1.200 V (II) RADEONHD(0): User 680000 kHz / 800000 kHz / 1.200 V -- Rafał Miłecki -- To unsubscribe, e-mail: radeonhd+unsubscribe@opensuse.org For additional commands, e-mail: radeonhd+help@opensuse.org