https://bugs.freedesktop.org/show_bug.cgi?id=108893
--- Comment #2 from supercoolemail@seznam.cz --- (In reply to supercoolemail from comment #1)
Suprisingly, enabling GALLIUM_HUD="GPU-load;fps;cpu" workarounds this too and lowers the delay to HUD update step.
Ok, it does not. The delay just varies for some reason and multple tests confirming HUD influence were just product of random chance.