What about playing with pp_table in linux?
Power consumption too much for lyra2z without ppt. 300w per card.
rocm-smi cannot control voltage. May be other tools? I don't know. And can't find answers in google and forums about Vegas.
Tools For RX5XX does not compatible to control vegs's.
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I try to change hex settings to control voltage. But when apply i see errors and nothing happened except system freeze and kernel panic.
Jun 4 13:22:13 vega-ubuntu kernel: [ 236.914530] amdgpu: [powerplay] Failed to register high thermal interrupt!
Jun 4 13:22:13 vega-ubuntu kernel: [ 236.914550] amdgpu: [powerplay] amdgpu: powerplay initialization failed
Jun 4 13:22:34 vega-ubuntu kernel: [ 258.238591] BUG: unable to handle kernel paging request at 00000000000011a8
Jun 4 13:22:34 vega-ubuntu kernel: [ 258.238836] IP: vega10_thermal_disable_alert+0x16/0x90 [amdgpu]
Jun 4 13:22:34 vega-ubuntu kernel: [ 258.238918] PGD 80000002660a5067
Jun 4 13:22:34 vega-ubuntu kernel: [ 258.238920] P4D 80000002660a5067
Jun 4 13:22:34 vega-ubuntu kernel: [ 258.238968] PUD 266159067
Jun 4 13:22:34 vega-ubuntu kernel: [ 258.239015] PMD 0
Jun 4 13:22:34 vega-ubuntu kernel: [ 258.239054]
Jun 4 13:22:34 vega-ubuntu kernel: [ 258.239108] Oops: 0000 [#1] SMP PTI