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