soc/mediatek/mt8188: Add ddp driver to support eDP output

Add DDP (display data path) driver that supports overlay, read/write
DMA, etc. The output goes to display interface DP_INTF0 directly.
Add ddp gclast and output_clamp settings to MT8188 to support
multi-layer display.

BUG=b:244208960
TEST=emerge-geralt coreboot.

Signed-off-by: Nathan Lu <nathan.lu@mediatek.com>
Change-Id: Icc0a878c609818fedd298c141bb39469fd2f6388
Reviewed-on: https://review.coreboot.org/c/coreboot/+/68487
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions