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| author | Luke D. Jones <luke@ljones.dev> | 2022-08-13 12:26:24 +0300 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2022-08-25 17:23:53 +0300 |
| commit | 01ef026ab36357a818c7d8324a36dbb8beff6ff5 (patch) | |
| tree | 4c1a7aa278f33f62b72455ae918779aa57f9a8b1 /Documentation/ABI | |
| parent | 3c3b55564afa8b7d952ce2ba90e7f522832ed0f7 (diff) | |
| download | linux-01ef026ab36357a818c7d8324a36dbb8beff6ff5.tar.xz | |
platform/x86: asus-wmi: Support the hardware GPU MUX on some laptops
Support the hardware GPU MUX switch available on some models. This
switch can toggle the MUX between:
- 0, Dedicated mode
- 1, Optimus mode
Optimus mode is the regular iGPU + dGPU available, while dedicated
mode switches the system to have only the dGPU available.
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20220813092624.6228-1-luke@ljones.dev
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-asus-wmi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-asus-wmi b/Documentation/ABI/testing/sysfs-platform-asus-wmi index 4d63824713ac..a77a004a1baa 100644 --- a/Documentation/ABI/testing/sysfs-platform-asus-wmi +++ b/Documentation/ABI/testing/sysfs-platform-asus-wmi @@ -58,6 +58,18 @@ Description: * 1 - overboost, * 2 - silent +What: /sys/devices/platform/<platform>/gpu_mux_mode +Date: Aug 2022 +KernelVersion: 6.1 +Contact: "Luke Jones" <luke@ljones.dev> +Description: + Switch the GPU hardware MUX mode. Laptops with this feature can + can be toggled to boot with only the dGPU (discrete mode) or in + standard Optimus/Hybrid mode. On switch a reboot is required: + + * 0 - Discrete GPU, + * 1 - Optimus/Hybrid, + What: /sys/devices/platform/<platform>/dgpu_disable Date: Aug 2022 KernelVersion: 5.17 |