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Disable discrete graphics card (Nvidia)
From: |
Pierre Neidhardt |
Subject: |
Disable discrete graphics card (Nvidia) |
Date: |
Wed, 04 Apr 2018 12:53:25 +0530 |
User-agent: |
mu4e 1.0; emacs 25.3.1 |
I run a Xiaomi Air 13 with both an embedded Intel and a discrete Nvidia
graphics chipset. I'd like to turn off the Nvidia chipset to save
battery power and avoid overheating (I live in a hot place).
Blacklisting the "nouveau" kernel module prevents the card from being
seen by the OS, but the card keeps draining power:
(operating-system
;...
(kernel-arguments '("modprobe.blacklist=nouveau"))
It seems that neither acpi_call nor bbswitch are packaged with Guix.
Is there any other commended way?
--
Pierre Neidhardt
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- Disable discrete graphics card (Nvidia),
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