modesetting instead of xf86-video-intel plus benchmark

Today I stumbled upon this reddit-article.

It speaks about using the modesetting driver shipped with xorg instead of the xf86-video-intel driver. I did a benchmark with the xf86-video-intel and the modesetting driver to see which performs better in order to decide if I will drop xf86-video-intel. Here are the results:

Unigine-valley Basic preset @xf86-video-intel:

FPS: 14.4
Score: 604
Min FPS: 8.2
Max FPS: 33.1

Unigine-valley Basic preset @modesetting:

FPS: 23.5
Score: 984
Min FPS: 11.8
Max FPS: 40.3

It doesn’t really matter what hardware I’m using, all that matters is that the situation improved. But for reference: Intel HD Graphics 5500.

So my choice is simple, I’m ditching xf86-video-intel in favor of using modesetting, which was already installed on my system together with xorg-server.

backlight issue

because of the switch to modesetting driver the xbacklight utility does no longer work. Using a xorg config file with the Backlight option set to intel_backlight also does not work as a workaround. So I installed light-git (from the AUR) which allows me to control my laptop backlight once again.

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