panel flickering after recent changes to master

[Olivier Fourdan]

On Mon, 13 May 2019 at 21:53, Olaf Hering <olaf at aepfle.de> wrote:
> This Laptop has Skylake GT2 [HD Graphics 520], happens with and without external HDMI monitor.
> It does occur with Alt+Tab for example.
> commit 3ff53a9f ("compositor: Do not redraw to back buffer") fixed it for me.

Good, so problem solved, thanks for testing!
Olivier