From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roel Janssen <roel@gnu.org>
Subject: Re: Xorg tearing fix on Intel HD Graphics 4000
Date: Sun, 25 Jun 2017 19:13:48 +0200
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To: Marius Bakke <mbakke@fastmail.com>
Cc: guix-devel <guix-devel@gnu.org>, William <w@vieta.uk>


Marius Bakke writes:

> William <w@vieta.uk> writes:
>
>> The Arch Wiki says that Debian and some others suggest uninstalling
>> xf86-video-intel and relying on the modesetting driver.
>>
>> I have personally found this to help with tearing, but naturally YMMV.
>>
>> See https://wiki.archlinux.org/index.php/Intel_graphics#Installation
>> for more details.
>
> Many distros default to using the built-in xorg modesetting driver.
>
> https://tjaalton.wordpress.com/2016/07/23/intel-graphics-gen4-and-newer-now-defaults-to-modesetting-driver-on-x/
> https://fedoraproject.org/wiki/Features/IntelKMS
>
> Could those affected by this bug see if it works for them? Maybe we
> should follow suit.

Maybe I did this the wrong way, but here's what I placed in my config.scm:

(kernel-arguments (list "modprobe.blacklist=pcspkr" "quiet" "rhgb"
                        "thinkpad_acpi.fan_control=1" "i195.modeset=1"))

I can say that this does not solve the problem in my case.

Kind regards,
Roel Janssen