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Add NetBSD config for Latitude 7490

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This commit is contained in:
Anthony Rose 2024-03-16 20:08:16 +00:00
parent 7317136f99
commit 8bf61e5f2f
1 changed files with 27 additions and 2 deletions
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29
docs/DellLatitude7490.txt
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@ -1,10 +1,35 @@
Dell Latitude 7490
==================
Graphics
--------
Linux graphics
--------------
The kernel crashes frequently with graphical glitches. Add the following
to the kernel command line to prevent this:
i915.enable_psr=0 i915.enable_dc=0
NetBSD
------
NetBSD 10 requires the i915drmkms firmware to be installed, and the pms
module to be disabled.
Download the Linux firmware file from the URL below:
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915
The required filename can be found from dmesg, and should be copied to:
/libdata/firmware/i915drmkms/i915
The enable_psr setting should also be changed in /etc/sysctl.conf with
the following line:
hw.drm2.i915_modparams.enable_psr=0
Finally, the pms module should be disabled by adding the following to
the end of the /boot.cfg file:
userconf=disable pms*