Edward O'Callaghan uploaded patch set #4 to this change.

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mainboard/hatch: Fix puff DP output on cold boots

Wait for HPD DP unless HDMI is plugged.

Some Type-C monitors do not immediately assert HPD. If we continue
to boot without HPD asserted, Depthcharge fails to show pictures
on a monitor even if HPD is asserted later.

Similar to that of b:72387533 however our DP&HDMI are beind a MST.
See commit d182b63347c744c on how this was done for mainboard/fizz.

BUG=b:147992492
BRANCH=none
TEST=Verify firmware screen is displayed even when a type-c monitor
does not immediately assert HPD. Verify if HDMI monitor is connected,
AP does not wait (and firmware screen is displayed on HDMI monitor).

Change-Id: I19d40056e58f1737f87fd07d62b07a723a63d610
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
---
M src/mainboard/google/hatch/variants/puff/mainboard.c
1 file changed, 42 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/75/38475/4

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