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История изменений

Исправление Deleted, (текущая версия) :

# cat /sys/kernel/debug/dri/0/amdgpu_pm_info
Clock Gating Flags Mask: 0x0
        Graphics Medium Grain Clock Gating: Off
        Graphics Medium Grain memory Light Sleep: Off
        Graphics Coarse Grain Clock Gating: Off
        Graphics Coarse Grain memory Light Sleep: Off
        Graphics Coarse Grain Tree Shader Clock Gating: Off
        Graphics Coarse Grain Tree Shader Light Sleep: Off
        Graphics Command Processor Light Sleep: Off
        Graphics Run List Controller Light Sleep: Off
        Graphics 3D Coarse Grain Clock Gating: Off
        Graphics 3D Coarse Grain memory Light Sleep: Off
        Memory Controller Light Sleep: Off
        Memory Controller Medium Grain Clock Gating: Off
        System Direct Memory Access Light Sleep: Off
        System Direct Memory Access Medium Grain Clock Gating: Off
        Bus Interface Medium Grain Clock Gating: Off
        Bus Interface Light Sleep: Off
        Unified Video Decoder Medium Grain Clock Gating: Off
        Video Compression Engine Medium Grain Clock Gating: Off
        Host Data Path Light Sleep: Off
        Host Data Path Medium Grain Clock Gating: Off                                                                                                                     
        Digital Right Management Medium Grain Clock Gating: Off                                                                                                           
        Digital Right Management Light Sleep: Off                                                                                                                         
        Rom Medium Grain Clock Gating: Off                                                                                                                                
        Data Fabric Medium Grain Clock Gating: Off                                                                                                                        
                                                                                                                                                                          
uvd    vclk: 0 dclk: 0                                                                                                                                                    
power level 0    sclk: 30000 mclk: 15000 vddc: 950 vddci: 900 pcie gen: 3

#echo "high" > /sys/class/drm/card0/device/power_dpm_force_performance_level     
#cat /sys/class/drm/card0/device/power_dpm_force_performance_level
high

#cat /sys/kernel/debug/dri/0/amdgpu_pm_info
Clock Gating Flags Mask: 0x0
        Graphics Medium Grain Clock Gating: Off
        Graphics Medium Grain memory Light Sleep: Off
        Graphics Coarse Grain Clock Gating: Off
        Graphics Coarse Grain memory Light Sleep: Off
        Graphics Coarse Grain Tree Shader Clock Gating: Off
        Graphics Coarse Grain Tree Shader Light Sleep: Off
        Graphics Command Processor Light Sleep: Off
        Graphics Run List Controller Light Sleep: Off
        Graphics 3D Coarse Grain Clock Gating: Off
        Graphics 3D Coarse Grain memory Light Sleep: Off
        Memory Controller Light Sleep: Off
        Memory Controller Medium Grain Clock Gating: Off
        System Direct Memory Access Light Sleep: Off
        System Direct Memory Access Medium Grain Clock Gating: Off
        Bus Interface Medium Grain Clock Gating: Off
        Bus Interface Light Sleep: Off
        Unified Video Decoder Medium Grain Clock Gating: Off
        Video Compression Engine Medium Grain Clock Gating: Off
        Host Data Path Light Sleep: Off
        Host Data Path Medium Grain Clock Gating: Off
        Digital Right Management Medium Grain Clock Gating: Off
        Digital Right Management Light Sleep: Off
        Rom Medium Grain Clock Gating: Off
        Data Fabric Medium Grain Clock Gating: Off

uvd    vclk: 0 dclk: 0
power level 2    sclk: 80000 mclk: 100000 vddc: 1025 vddci: 950 pcie gen: 3

#lspci | grep VGA
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde PRO [Radeon HD 7750/8740 / R7 250E] (rev 87)

Clock Gating: Off

Недоступно?

Исходная версия Deleted, :

# cat /sys/kernel/debug/dri/0/amdgpu_pm_info
Clock Gating Flags Mask: 0x0
        Graphics Medium Grain Clock Gating: Off
        Graphics Medium Grain memory Light Sleep: Off
        Graphics Coarse Grain Clock Gating: Off
        Graphics Coarse Grain memory Light Sleep: Off
        Graphics Coarse Grain Tree Shader Clock Gating: Off
        Graphics Coarse Grain Tree Shader Light Sleep: Off
        Graphics Command Processor Light Sleep: Off
        Graphics Run List Controller Light Sleep: Off
        Graphics 3D Coarse Grain Clock Gating: Off
        Graphics 3D Coarse Grain memory Light Sleep: Off
        Memory Controller Light Sleep: Off
        Memory Controller Medium Grain Clock Gating: Off
        System Direct Memory Access Light Sleep: Off
        System Direct Memory Access Medium Grain Clock Gating: Off
        Bus Interface Medium Grain Clock Gating: Off
        Bus Interface Light Sleep: Off
        Unified Video Decoder Medium Grain Clock Gating: Off
        Video Compression Engine Medium Grain Clock Gating: Off
        Host Data Path Light Sleep: Off
        Host Data Path Medium Grain Clock Gating: Off                                                                                                                     
        Digital Right Management Medium Grain Clock Gating: Off                                                                                                           
        Digital Right Management Light Sleep: Off                                                                                                                         
        Rom Medium Grain Clock Gating: Off                                                                                                                                
        Data Fabric Medium Grain Clock Gating: Off                                                                                                                        
                                                                                                                                                                          
uvd    vclk: 0 dclk: 0                                                                                                                                                    
power level 0    sclk: 30000 mclk: 15000 vddc: 950 vddci: 900 pcie gen: 3

#echo "high" > /sys/class/drm/card0/device/power_dpm_force_performance_level     
#cat /sys/class/drm/card0/device/power_dpm_force_performance_level
high

#cat /sys/kernel/debug/dri/0/amdgpu_pm_info
Clock Gating Flags Mask: 0x0
        Graphics Medium Grain Clock Gating: Off
        Graphics Medium Grain memory Light Sleep: Off
        Graphics Coarse Grain Clock Gating: Off
        Graphics Coarse Grain memory Light Sleep: Off
        Graphics Coarse Grain Tree Shader Clock Gating: Off
        Graphics Coarse Grain Tree Shader Light Sleep: Off
        Graphics Command Processor Light Sleep: Off
        Graphics Run List Controller Light Sleep: Off
        Graphics 3D Coarse Grain Clock Gating: Off
        Graphics 3D Coarse Grain memory Light Sleep: Off
        Memory Controller Light Sleep: Off
        Memory Controller Medium Grain Clock Gating: Off
        System Direct Memory Access Light Sleep: Off
        System Direct Memory Access Medium Grain Clock Gating: Off
        Bus Interface Medium Grain Clock Gating: Off
        Bus Interface Light Sleep: Off
        Unified Video Decoder Medium Grain Clock Gating: Off
        Video Compression Engine Medium Grain Clock Gating: Off
        Host Data Path Light Sleep: Off
        Host Data Path Medium Grain Clock Gating: Off
        Digital Right Management Medium Grain Clock Gating: Off
        Digital Right Management Light Sleep: Off
        Rom Medium Grain Clock Gating: Off
        Data Fabric Medium Grain Clock Gating: Off

uvd    vclk: 0 dclk: 0
power level 2    sclk: 80000 mclk: 100000 vddc: 1025 vddci: 950 pcie gen: 3

#lspci | grep VGA
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Cape Verde PRO [Radeon HD 7750/8740 / R7 250E] (rev 87)