Robert Mader authored Feb 17, 2022 and Marius Vlad committed May 24, 2022

In certain situations these clients crash a lot due to the low
buffer limit. Four buffers is also what EGL allows without blocking
and what is arguably the upper limit of what a compositor should
demand.

Signed-off-by: Robert Mader <robert.mader@collabora.com>
(cherry picked from commit 3e6ef529)