https://bugzilla.kernel.org/show_bug.cgi?id=201539
--- Comment #44 from MasterCATZ (mastercatz@hotmail.com) --- aio@aio:~$ ls /sys/class/drm/card1/device/hwmon/hwmon1 device freq1_input name pwm1 temp1_crit_hyst fan1_enable freq1_label power pwm1_enable temp1_input fan1_input freq2_input power1_average pwm1_max temp1_label fan1_max freq2_label power1_cap pwm1_min uevent fan1_min in0_input power1_cap_max subsystem fan1_target in0_label power1_cap_min temp1_crit aio@aio:~$ cat /sys/class/drm/card1/device/hwmon/hwmon1/pwm1 68 aio@aio:~$ cat /sys/class/drm/card1/device/hwmon/hwmon1/pwm1_enable 2 aio@aio:~$ cat /sys/class/drm/card1/device/hwmon/hwmon1/temp1_input 54000 aio@aio:~$