[Bug 93679] [SNB] Heavy tearing with xf86-video-intel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93679

--- Comment #13 from Carsten Mattner <carstenmattner at gmail.com> ---
(In reply to Carsten Mattner from comment #11)
> one has to turn on TearFree and also make use of vsync via a
> compositor like compton if they're not already using Wayland

After testing xf86-video-intel, generic modesetting driver and
several Wayland compositors, I can say that a compositor to
force vsync is not required to fix tearing.

In fact, the only sure way to avoid tearing with Intel GPUs is
xf86-video-intel's exclusive (not available in generic modesetting
driver, or video-intel's glamor or dri3 mode) DRI2 TearFree feature.
No compositor needed at all.

FWIW, fbcon tears as well.

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