I appreciate the write-up.
It seems that DSM can turn the card off and on by itself using the first
value of Arg3, not the last.
\_SB.PCI0.PEG0.PEGP._DSM
{0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0}
0x100 0x3 {0x2,0x0,0x0,0x0}
\_SB.PCI0.PEG0.PEGP._DSM
{0xF8,0xD8,0x86,0xA4,0xDA,0x0B,0x1B,0x47,0xA7,0x2B,0x60,0x42,0xA6,0xB5,0xBE,0xE0}
0x100 0x3 {0x1,0x0,0x0,0x0}
The latter is the "on", but modprobe still won't load the drivers.
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