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This port does not have a HPD pin so it requires making changes to the HDMI controller to support this configuration. Chris Morgan (3): dt-bindings: display: rockchip: Add no-hpd for dw-hdmi-qp controller drm/bridge: dw-hdmi-qp: Add support for missing HPD arm64: dts: rockchip: Add HDMI to Gameforce Ace .../rockchip/rockchip,rk3588-dw-hdmi-qp.yaml | 6 ++ .../dts/rockchip/rk3588s-gameforce-ace.dts | 63 +++++++++++++++++++ drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c | 35 +++++++++-- 3 files changed, 100 insertions(+), 4 deletions(-) -- 2.43.0