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Perf tuning

Changing smcPPTable/TdcLimitGfx 350 => 150 reduced the hotspot by 10+- degrees with almost no drop in performance in vllm

$ upp -p /sys/class/drm/card${GPU_ID}/device/pp_table set --write smcPPTable/TdcLimitGfx=150
Changing smcPPTable.TdcLimitGfx of type H from 330 to 150 at 0x1fe
Committing changes to '/sys/class/drm/card1/device/pp_table'.

temperatures