I should have added that this fix HDMI video output when booting in
non-verbose.
The PLL wasn't correctly calculated because of the non-usage of the
fractional mode.
The issue doesn't appears on verbose because the clock framework print
out the clock value when created. To get the clock value
Author: manu
Date: Sat Nov 26 10:36:48 2016
New Revision: 309190
URL: https://svnweb.freebsd.org/changeset/base/309190
Log:
PLL3 have a fractional mode where an explicit frequency (297Mhz or 270)
can be selected for it. If the desired frequency is one of those two, use
this mode instead of
