[PATCH v7 5/5] Documentation: laptops: Update documentation for uniwill laptops

[PATCH v7 5/5] Documentation: laptops: Update documentation for uniwill laptops

[Werner Sembach]

Adds short description for two new sysfs entries, ctgp_offset and
usb_c_power_priority, to the documentation of uniwill laptops.

Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
---
 .../ABI/testing/sysfs-driver-uniwill-laptop   | 25 +++++++++++++++++++
 .../admin-guide/laptops/uniwill-laptop.rst    | 12 +++++++++
 2 files changed, 37 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-driver-uniwill-laptop b/Documentation/ABI/testing/sysfs-driver-uniwill-laptop
index 2df70792968f3..cba4138604601 100644
--- a/Documentation/ABI/testing/sysfs-driver-uniwill-laptop
+++ b/Documentation/ABI/testing/sysfs-driver-uniwill-laptop
@@ -51,3 +51,28 @@ Description:
 
 		Reading this file returns the current status of the breathing animation
 		functionality.
+
+What:		/sys/bus/platform/devices/INOU0000:XX/ctgp_offset
+Date:		January 2026
+KernelVersion:	7.0
+Contact:	Werner Sembach <wse@tuxedocomputers.com>
+Description:
+		Allows userspace applications to set the configurable TGP offset on top of the base
+		TGP. Base TGP and max TGP and therefore the max cTGP offset are device specific.
+		Note that setting the maximal cTGP leaves no window open for Dynamic Boost,
+		effectively disabling that feature for the GPU to always be prioritized.
+
+		Reading this file returns the current configurable TGP offset.
+
+What:		/sys/bus/platform/devices/INOU0000:XX/usb_c_power_priority
+Date:		February 2026
+KernelVersion:	7.1
+Contact:	Werner Sembach <wse@tuxedocomputers.com>
+Description:
+		Allows userspace applications to choose the USB-C power distribution profile between
+		one that offers a bigger share of the power to the battery and one that offers more
+		of it to the CPU. Writing "charging"/"performance" into this file selects the
+		respective profile.
+
+		Reading this file returns the profile names with the currently active one in
+		brackets.
diff --git a/Documentation/admin-guide/laptops/uniwill-laptop.rst b/Documentation/admin-guide/laptops/uniwill-laptop.rst
index aff5f57a6bd47..561334865feb7 100644
--- a/Documentation/admin-guide/laptops/uniwill-laptop.rst
+++ b/Documentation/admin-guide/laptops/uniwill-laptop.rst
@@ -50,6 +50,10 @@ between 1 and 100 percent are supported.
 Additionally the driver signals the presence of battery charging issues through the standard
 ``health`` power supply sysfs attribute.
 
+It also lets you set whether a USB-C power source should prioritise charging the battery or
+delivering immediate power to the cpu. See Documentation/ABI/testing/sysfs-driver-uniwill-laptop for
+details.
+
 Lightbar
 --------
 
@@ -58,3 +62,11 @@ LED class device. The default name of this LED class device is ``uniwill:multico
 
 See Documentation/ABI/testing/sysfs-driver-uniwill-laptop for details on how to control the various
 animation modes of the lightbar.
+
+Configurable TGP
+----------------
+
+The ``uniwill-laptop`` driver allows to set the configurable TGP for devices with NVIDIA GPUs that
+allow it.
+
+See Documentation/ABI/testing/sysfs-driver-uniwill-laptop for details.
-- 
2.43.0

Re: [PATCH v7 5/5] Documentation: laptops: Update documentation for uniwill laptops

[Shuah Khan]

On 3/24/26 12:02, Werner Sembach wrote:
> Adds short description for two new sysfs entries, ctgp_offset and
> usb_c_power_priority, to the documentation of uniwill laptops.
> 
> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
> Reviewed-by: Armin Wolf <W_Armin@gmx.de>
> ---
>   .../ABI/testing/sysfs-driver-uniwill-laptop   | 25 +++++++++++++++++++
>   .../admin-guide/laptops/uniwill-laptop.rst    | 12 +++++++++
>   2 files changed, 37 insertions(+)
> 
> diff --git a/Documentation/ABI/testing/sysfs-driver-uniwill-laptop b/Documentation/ABI/testing/sysfs-driver-uniwill-laptop
> index 2df70792968f3..cba4138604601 100644
> --- a/Documentation/ABI/testing/sysfs-driver-uniwill-laptop
> +++ b/Documentation/ABI/testing/sysfs-driver-uniwill-laptop
> @@ -51,3 +51,28 @@ Description:
>   
>   		Reading this file returns the current status of the breathing animation
>   		functionality.
> +
> +What:		/sys/bus/platform/devices/INOU0000:XX/ctgp_offset
> +Date:		January 2026
> +KernelVersion:	7.0
> +Contact:	Werner Sembach <wse@tuxedocomputers.com>
> +Description:
> +		Allows userspace applications to set the configurable TGP offset on top of the base
> +		TGP. Base TGP and max TGP and therefore the max cTGP offset are device specific.
> +		Note that setting the maximal cTGP leaves no window open for Dynamic Boost,
> +		effectively disabling that feature for the GPU to always be prioritized.

This sentence read a bit complex to me. Something like this might
make it easier to read?

"Note that setting cTGP to its maximum value effectively disables
Dynamic Boost for the GPU is always be prioritized.

Maybe elaborate what "leaves no window open for Dynamic Boost"

Rest looks good to me.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>

thanks,
-- Shuah