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Nico Huber f6266004f9 gma broxton: Implement DDI PHY power handling

DDI PHYs is a concept common to current Atom processor series. It
seems the PHYs are implemented on the same die as the graphics core
but still need to be configured separately. Based on the assumption
that we start with disabled PHYs and it was always us if they are
enabled, we only have to do a small share of what Linux' i915 does.

v2: Wait for GRC done only if we want to copy its results.

Change-Id: I1e59f80daa08dc64b8c3dff34202ace5dd4c5f73
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/18422
Tested-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

2017-06-03 15:23:22 +02:00

common

gma broxton: Implement DDI PHY power handling

2017-06-03 15:23:22 +02:00

configs

gma: Add config plus stubs for Broxton SoC

2017-06-03 15:19:33 +02:00

.gitignore

Initial upstream commit

2016-10-09 11:34:25 +02:00

COPYING

Initial upstream commit