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- # SPDX-License-Identifier: MIT
- config DRM_DP_AUX_BUS
- tristate
- depends on DRM
- depends on OF || COMPILE_TEST
- config DRM_DISPLAY_HELPER
- tristate
- depends on DRM
- help
- DRM helpers for display adapters.
- config DRM_DISPLAY_DP_HELPER
- bool
- depends on DRM_DISPLAY_HELPER
- help
- DRM display helpers for DisplayPort.
- config DRM_DISPLAY_HDCP_HELPER
- bool
- depends on DRM_DISPLAY_HELPER
- help
- DRM display helpers for HDCP.
- config DRM_DISPLAY_HDMI_HELPER
- bool
- depends on DRM_DISPLAY_HELPER
- help
- DRM display helpers for HDMI.
- config DRM_DP_AUX_CHARDEV
- bool "DRM DP AUX Interface"
- depends on DRM && DRM_DISPLAY_HELPER
- select DRM_DISPLAY_DP_HELPER
- help
- Choose this option to enable a /dev/drm_dp_auxN node that allows to
- read and write values to arbitrary DPCD registers on the DP aux
- channel.
- config DRM_DP_CEC
- bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
- depends on DRM && DRM_DISPLAY_HELPER
- select DRM_DISPLAY_DP_HELPER
- select CEC_CORE
- help
- Choose this option if you want to enable HDMI CEC support for
- DisplayPort/USB-C to HDMI adapters.
- Note: not all adapters support this feature, and even for those
- that do support this they often do not hook up the CEC pin.
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