TDP slider does not work in gaming mode (desktop AMD dGPU)

I've unlocked amdgpu feature set with

amdgpu.ppfeaturemask=0xffffffff

amdgpu.ppfeaturemask=0xffffffff

kernel parameter in bazzite. Adjusting TDP manually works through writing value to

/sys/class/drm/card*/device/hwmon/hwmon*/power1_cap

/sys/class/drm/card*/device/hwmon/hwmon*/power1_cap

so its possible. The slider does display correct

power1_cap_min

power1_cap_min

and

power1_cap_max

power1_cap_max

, however adjusting the slider does not change

power1_cap

power1_cap

. Most of the time gpu is running with unreasonably high power draw for no good reason, since most of the time I'm playing really simple to run titles. I would like to run the system more efficient where I can.

I wonder how to make the TDP slider work?
The GPU I'm running is 6500 XT from ASRock.

Bazzite•8mo ago•

7 replies

Emilia

TDP slider does not work in gaming mode (desktop AMD dGPU)

I've unlocked amdgpu feature set with

amdgpu.ppfeaturemask=0xffffffff

amdgpu.ppfeaturemask=0xffffffff

kernel parameter in bazzite. Adjusting TDP manually works through writing value to

/sys/class/drm/card*/device/hwmon/hwmon*/power1_cap

/sys/class/drm/card*/device/hwmon/hwmon*/power1_cap

so its possible. The slider does display correct

power1_cap_min

power1_cap_min

and

power1_cap_max

power1_cap_max

, however adjusting the slider does not change

power1_cap

power1_cap

TDP slider does not work in gaming mode (desktop AMD dGPU)

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