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platform/x86: asus-wmi: expose dGPU and CPU tunables for ROG

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Expose various CPU and dGPU tunables that are available on many ASUS
ROG laptops. The tunables shown in sysfs will vary depending on the CPU
and dGPU vendor.

All of these variables are write only and there is no easy way to find
what the defaults are. In general they seem to default to the max value
the vendor sets for the CPU and dGPU package - this is not the same as
the min/max writable value. Values written to these variables that are
beyond the capabilities of the CPU are ignored by the laptop.

Signed-off-by: Luke D. Jones <luke@ljones.dev>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230630053552.976579-9-luke@ljones.dev
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Luke D. Jones
2023-06-30 17:35:52 +12:00
committed by Hans de Goede
parent abac4259fc
commit e0b278e7b5
3 changed files with 354 additions and 0 deletions
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9
include/linux/platform_data/x86/asus-wmi.h
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@@ -86,6 +86,15 @@
#define ASUS_WMI_DEVID_GPU_FAN_CURVE 0x00110025
#define ASUS_WMI_DEVID_MID_FAN_CURVE 0x00110032
/* Tunables for AUS ROG laptops */
#define ASUS_WMI_DEVID_PPT_PL2_SPPT 0x001200A0
#define ASUS_WMI_DEVID_PPT_PL1_SPL 0x001200A3
#define ASUS_WMI_DEVID_PPT_APU_SPPT 0x001200B0
#define ASUS_WMI_DEVID_PPT_PLAT_SPPT 0x001200B1
#define ASUS_WMI_DEVID_PPT_FPPT 0x001200C1
#define ASUS_WMI_DEVID_NV_DYN_BOOST 0x001200C0
#define ASUS_WMI_DEVID_NV_THERM_TARGET 0x001200C2
/* Power */
#define ASUS_WMI_DEVID_PROCESSOR_STATE 0x00120012