* [PATCH v2 4/4] Documentation: laptops: Update documentation for uniwill laptops
[not found] <20260226205302.123782-1-wse@tuxedocomputers.com>
@ 2026-02-26 20:50 ` Werner Sembach
2026-02-27 9:36 ` Armin Wolf
0 siblings, 1 reply; 2+ messages in thread
From: Werner Sembach @ 2026-02-26 20:50 UTC (permalink / raw)
To: Armin Wolf, Jonathan Corbet, Shuah Khan
Cc: Werner Sembach, platform-driver-x86, linux-kernel, linux-doc
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>
---
.../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..55943252f2ab9 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,
+ effectifly 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 set 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..c89b8b3756f84 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 let you set whether an 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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v2 4/4] Documentation: laptops: Update documentation for uniwill laptops
2026-02-26 20:50 ` [PATCH v2 4/4] Documentation: laptops: Update documentation for uniwill laptops Werner Sembach
@ 2026-02-27 9:36 ` Armin Wolf
0 siblings, 0 replies; 2+ messages in thread
From: Armin Wolf @ 2026-02-27 9:36 UTC (permalink / raw)
To: Werner Sembach, Jonathan Corbet, Shuah Khan
Cc: platform-driver-x86, linux-kernel, linux-doc
Am 26.02.26 um 21:50 schrieb 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>
> ---
> .../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..55943252f2ab9 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,
> + effectifly 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 set USB-C power distribution profile between one
set -> choose the
Thanks,
Armin Wolf
> + 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..c89b8b3756f84 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 let you set whether an 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.
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2026-02-26 20:50 ` [PATCH v2 4/4] Documentation: laptops: Update documentation for uniwill laptops Werner Sembach
2026-02-27 9:36 ` Armin Wolf
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