1 # SPDX-License-Identifier: MIT
6 depends on OF || COMPILE_TEST
8 config DRM_DISPLAY_HELPER
12 DRM helpers for display adapters.
14 config DRM_DISPLAY_DP_HELPER
16 depends on DRM_DISPLAY_HELPER
18 DRM display helpers for DisplayPort.
20 config DRM_DISPLAY_HDCP_HELPER
22 depends on DRM_DISPLAY_HELPER
24 DRM display helpers for HDCP.
26 config DRM_DISPLAY_HDMI_HELPER
28 depends on DRM_DISPLAY_HELPER
30 DRM display helpers for HDMI.
32 config DRM_DP_AUX_CHARDEV
33 bool "DRM DP AUX Interface"
34 depends on DRM && DRM_DISPLAY_HELPER
35 select DRM_DISPLAY_DP_HELPER
37 Choose this option to enable a /dev/drm_dp_auxN node that allows to
38 read and write values to arbitrary DPCD registers on the DP aux
42 bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
43 depends on DRM && DRM_DISPLAY_HELPER
44 select DRM_DISPLAY_DP_HELPER
47 Choose this option if you want to enable HDMI CEC support for
48 DisplayPort/USB-C to HDMI adapters.
50 Note: not all adapters support this feature, and even for those
51 that do support this they often do not hook up the CEC pin.