I had asked this question before for Ubuntu 18.04, then upgrade to 20.04. But issue still same.
My Processor spec :
AMD Ryzen 7 PRO 2700U APU Integrated Radeon Vega Graphics
Kernel : 5.4.25-050425-generic
Powertop and TLP enabled.
Power top stat
Power est. Usage Events/s Category Description
560 mW 641.2 µs/s 141.6 kWork dbs_work_handler
294 mW 4.0 ms/s 72.7 Interrupt [67] amdgpu
238 mW 603.6 µs/s 60.1 Timer tick_sched_timer
207 mW 4.6 ms/s 45.6 Process [PID 2708] /usr/bin/gnom
195 mW 6.7 ms/s 42.7 Process [PID 2529] /usr/lib/xorg
91.1 mW 3.7 ms/s 20.4 Process [PID 13188] /usr/libexec
61.8 mW 340.3 µs/s 15.5 Process [PID 1390] /usr/bin/cont
46.4 mW 284.9 µs/s 11.6 Process [PID 667] [sdma0]
42.3 mW 120.8 µs/s 10.7 kWork psi_avgs_work
38.6 mW 184.6 µs/s 9.7 Process [PID 11] [rcu_sched]
31.3 mW 447.7 µs/s 7.8 Process [PID 12314] /usr/lib/fir
31.2 mW 364.0 µs/s 7.8 Process [PID 5526] /usr/bin/cont
TLP config :
TLP_ENABLE=1
CPU_SCALING_GOVERNOR_ON_BAT=powersave
CPU_SCALING_MAX_FREQ_ON_AC=0
CPU_SCALING_MIN_FREQ_ON_BAT=0
SCHED_POWERSAVE_ON_BAT=1
RADEON_POWER_PROFILE_ON_BAT=auto
RADEON_DPM_STATE_ON_BAT=battery
RESTORE_THRESHOLDS_ON_BAT="1"
Here, its more related to radio drivers. And here its not being answered.
When laptop is powered on and nothing is running, I could here fan is working (after few minutes booted)
