Open Diafwl opened 1 year ago
Currently a bit busy with my End of semester examinations. Will look into the interactions later. But mainly I didn't find any practical reason on setting 0xBA since my laptop doesn't really have any Power Management issues on Linux after setting 0x95 to 0x31
yeah 0x95 controlling all power things, after i wrote this issue i checked the acpi table dump for my victus 0x95 values are 0, 1, 03 acpi command "_SB.WMID.GM1A" 0x95 value in acpi is "^^PC00.LPCB.EC0.HPCM"
if you want to go deep this things maybe can helpful
also i noticed hp-wmi driver in kernel also has this values but not active on every models because of whitelist
About "0xBA"
for effects can be persistent also "0xC1" needed to set same value If changed same time power caps are changing
i noticed "0xBA", "0xC1" are same and connected to "0xDE", "0xDF"
Okay so I have tested and 0xC1
seems to be able to persistently set 0xBA
and hence the power levels of the laptop. But I am still unable to get 0xBA
to its lowest value 0x00
which gets the laptop in its highest possible total power. When 0xC1 is set to 0x00
(which is basically its default unset value) 0xBA
settles at 0x01
.
I am currently looking into the decompiled ACPI tables (finally figured out how to after a bit of reading). Will update you on whatever I find.
Okay so I have tested and
0xC1
seems to be able to persistently set0xBA
and hence the power levels of the laptop. But I am still unable to get0xBA
to its lowest value0x00
which gets the laptop in its highest possible total power. When 0xC1 is set to0x00
(which is basically its default unset value)0xBA
settles at0x01
.
It is also same for my laptop, 0xC1
is affects/controls the other three values.
but if i set 0xC1
to 0x00
both 0xBA
and 0xC1
stay at 0x00
(until timer value reach to 0)
for gpu power
i enabled nvidia-powerd and my gpu power can be get over 80 by automatically.
I have discovered a new sysfs attribute, /sys/firmware/acpi/platform_profile
. Setting it to performance seems to unlock State 0x00 and my total system power can reach upto 160Watts. Probably will update this into my Arch Wiki article later.
Not only does allow 0xBA
to reach 0x00
it also sets 0x95
accordingly (0x31 for performance 0x50 for cool etc)
About "0xBA"
for effects can be persistent also "0xC1" needed to set same value If changed same time power caps are changing
i noticed "0xBA", "0xC1" are same and connected to "0xDE", "0xDF"