---
- hosts: localhost
  name: "Configure 'tuned' with AMD GPU control"
  roles:
    # role prepares/modifies 'tuned' with AMD GPU power/clock parameters
    # creates a new tuned profile made for each permutation of (base) 'tuned' profile + AMD powerplay profile
    - role: tuned_amdgpu
      # note: 'gpu_*' vars only apply with the 'custom' suffixed profiles created by this tooling
      # profiles based on the 'default' amdgpu power profile mode use default clocks
      gpu_clock_min: "500" # default 500
      gpu_clock_max: "2615" # default 2529
      gpumem_clock_static: "1075"
      gpu_power_multi:
        default: 0.789473684210526 # 255W - slightly reduced, maintains clocks well
        overclock: 0.869969040247678 # 281W - real default, board supports up to 323W (1.0)
      # optional, applies offset (+/-) to GPU voltage by provided mV
      # gpu_mv_offset: "-25"
      # '-50' undervolts GPU core voltage 50mV or 0.05V
      #
      # list of source tuned profiles available on Fedora (TODO: should dynamically discover)
      base_profiles:
        - balanced
        - desktop
        - latency-performance
        - network-latency
        - network-throughput
        - powersave
        - virtual-host
      #
      # mapping of typical Navi generation power profiles from:
      #   /sys/class/drm/card*/device/pp_power_profile_mode
      # ref: https://www.kernel.org/doc/html/v4.20/gpu/amdgpu.html#pp-power-profile-mode
      # 'pwr_cap_multi' is multiplied against board *limit* to determine profile wattage; 0.5 = 50%
      # values below reflect my 6900XT
#      amdgpu_profiles:
#        default:
#          pwrmode: 0
#          pwr_cap_multi: 0.789473684210526 # 255W - slightly reduced, maintains clocks well
#        3D:
#          pwrmode: 1
#          pwr_cap_multi: 0.869969040247678 # 281W - default
#        powersave:
#          pwrmode: 2
#          pwr_cap_multi: 0.869969040247678
#        VR:
#          pwrmode: 4
#          pwr_cap_multi: 0.869969040247678
#        compute:
#          pwrmode: 5
#          pwr_cap_multi: 0.869969040247678
#        custom:
#          pwrmode: 6
#          pwr_cap_multi: 1.0 # 323W - full capability
      # both dictionaries are merged to create new 'tuned' profiles. eg:
      #   'balanced-amdgpu-default', 'balanced-amdgpu-3D', 'balanced-amdgpu-video'