https://bugzilla.kernel.org/show_bug.cgi?id=196777
--- Comment #10 from Justin M. Forbes (jmforbes@linuxtx.org) --- After going through these with a number of users:
qxl: fix primary surface handling - This patch is widely reported to cause serious screen flickering that is not there without it, making the system unusable.
qxl: fix pinning: This patch resolves the GDM login issues with plymouth.