Template:Amdgpu power saving features listed in amd shared.h

enum PP_FEATURE_MASK {
        PP_SCLK_DPM_MASK = 0x1,
        PP_MCLK_DPM_MASK = 0x2,
        PP_PCIE_DPM_MASK = 0x4,
        PP_SCLK_DEEP_SLEEP_MASK = 0x8,
        PP_POWER_CONTAINMENT_MASK = 0x10,
        PP_UVD_HANDSHAKE_MASK = 0x20,
        PP_SMC_VOLTAGE_CONTROL_MASK = 0x40,
        PP_VBI_TIME_SUPPORT_MASK = 0x80,
        PP_ULV_MASK = 0x100,
        PP_ENABLE_GFX_CG_THRU_SMU = 0x200,
        PP_CLOCK_STRETCH_MASK = 0x400,
        PP_OD_FUZZY_FAN_CONTROL_MASK = 0x800,
        PP_SOCCLK_DPM_MASK = 0x1000,
        PP_DCEFCLK_DPM_MASK = 0x2000,
        PP_OVERDRIVE_MASK = 0x4000,
        PP_GFXOFF_MASK = 0x8000,
        PP_ACG_MASK = 0x10000,
        PP_STUTTER_MODE = 0x20000,
        PP_AVFS_MASK = 0x40000,
};