So as you can see, there's a driver provided, which Intel works on. Information about the i915 driver on my system says : One can read : "The drm/i915 driver supports all (with the exception of some very early models) integrated GFX chipsets with both Intel display and rendering blocks.". That's documentation about the Intel i915 driver for Linux, from 01.org, Intel's Open Source Technology Center website.
Hardware : CPU : i7-4710MQ (Intel HD Graphics 4600), dGPU : Nvidia GTX 880M, RAM : 16 GiB To make things more simple, I disabled the Nvidia dGPU with the "prime-select intel" command, and test with the glxgears program, that runs vsynched and windowed.ġ) Changing the refresh rate from the GNOME preferencesĢ) Changing the refresh rate with xrandr (xrandr -output eDP-1 -mode 1920x1080 -rate 40)ģ) Creating a custom 40Hz mode, and switch to that mode with xrandr (I take the modeline from cvt)Ĥ) Opening a Wayland session and changing the refresh rate from the GNOME preferencesĥ) adding to the kernel command line, and retrying 1, 2, 3 and 4 in that configuration Each time, it behaves like it worked (no error message and xrandr command saying the active mode is 40Hz), but I can tell nothing has changed, since the game still runs at 60fps VSynced and cursor movement is as smooth as before. I've tried a few things already, with no success. However, while it works pretty well on Windows, I've not been able to do the same on my Ubuntu 19.04. When I want to run some demanding games on my laptop, I normally switch the refresh rate to 40Hz, so that with VSync on, I can run at lower framerate and with no tearing as well.
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