All I can help is post here my data, this is for vega56 flashed with vega 64 bios
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0005]
"PP_PhmSoftPowerPlayTable"=hex:B6,02,08,01,00,5C,00,E1,06,00,00,EE,2B,00,00,1B,\
00,48,00,00,00,80,A9,03,00,F0,49,02,00,8E,00,08,00,00,00,00,00,00,00,00,00,\
00,00,00,00,00,02,01,5C,00,4F,02,46,02,94,00,9E,01,BE,00,28,01,7A,00,8C,00,\
BC,01,00,00,00,00,72,02,00,00,90,00,A8,02,6D,01,43,01,97,01,F0,49,02,00,71,\
02,02,02,00,00,00,00,00,00,08,00,00,00,00,00,00,00,05,00,07,00,03,00,05,00,\
00,00,00,00,00,00,01,08,84,03,84,03,84,03,84,03,84,03,84,03,89,03,89,03,01,\
01,89,03,01,01,84,03,00,08,60,EA,00,00,00,40,19,01,00,01,80,38,01,00,02,DC,\
4A,01,00,03,90,5F,01,00,04,00,77,01,00,05,90,91,01,00,06,6C,B0,01,00,07,01,\
08,D0,4C,01,00,00,00,80,00,00,00,00,00,00,1C,83,01,00,01,00,00,00,00,00,00,\
00,00,70,A7,01,00,02,00,00,00,00,00,00,00,00,88,BC,01,00,03,00,00,00,00,00,\
00,00,00,38,C1,01,00,04,00,00,00,00,00,00,00,00,88,D5,01,00,05,00,00,00,00,\
01,00,00,00,70,D9,01,00,06,00,00,00,00,01,00,00,00,00,26,02,00,07,00,00,00,\
00,01,00,00,00,00,05,60,EA,00,00,00,40,19,01,00,00,80,38,01,00,00,DC,4A,01,\
00,00,90,5F,01,00,00,00,08,28,6E,00,00,00,2C,C9,00,00,01,F8,0B,01,00,02,80,\
38,01,00,03,90,5F,01,00,04,F4,91,01,00,05,D0,B0,01,00,06,C0,D4,01,00,07,00,\
08,6C,39,00,00,00,24,5E,00,00,01,FC,85,00,00,02,AC,BC,00,00,03,34,D0,00,00,\
04,68,6E,01,00,05,08,97,01,00,06,EC,A3,01,00,07,00,01,68,3C,01,00,00,01,04,\
3C,41,00,00,00,00,00,50,C3,00,00,00,00,00,80,38,01,00,02,00,00,B0,AD,01,00,\
04,00,00,01,08,00,98,85,00,00,40,B5,00,00,60,EA,00,00,50,C3,00,00,01,80,BB,\
00,00,60,EA,00,00,94,0B,01,00,50,C3,00,00,02,00,E1,00,00,94,0B,01,00,40,19,\
01,00,50,C3,00,00,03,78,FF,00,00,40,19,01,00,88,26,01,00,50,C3,00,00,04,40,\
19,01,00,80,38,01,00,80,38,01,00,50,C3,00,00,05,80,38,01,00,DC,4A,01,00,DC,\
4A,01,00,50,C3,00,00,06,00,77,01,00,00,77,01,00,90,5F,01,00,50,C3,00,00,07,\
90,91,01,00,90,91,01,00,00,77,01,00,50,C3,00,00,01,18,00,00,00,00,00,00,00,\
0B,E4,12,60,09,60,09,4B,00,0A,00,54,03,90,01,90,01,90,01,90,01,90,01,90,01,\
90,01,00,00,00,00,00,02,04,31,07,DC,00,DC,00,DC,00,90,01,00,00,59,00,69,00,\
4A,00,4A,00,5F,00,73,00,73,00,64,00,40,00,90,92,97,60,96,00,90,55,00,00,00,\
00,00,00,00,00,00,00,00,00,00,00,00,00,00,02,02,D4,30,00,00,02,10,60,EA,00,\
00,02,10
and overdrive
[Profile_1]
Name=vega
GPU_P0=852;900
GPU_P1=991;900
GPU_P2=1084;900
GPU_P3=1138;900
GPU_P4=1150;900
GPU_P5=1202;900
GPU_P6=1212;900
GPU_P7=1408;925
Mem_P0=167;900
Mem_P1=500;900
Mem_P2=800;900
Mem_P3=1100;905
Fan_Min=2700
Fan_Max=4200
Fan_Target=77
Fan_Acoustic=2400
Power_Temp=85
Power_Target=0