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1# SPDX-License-Identifier: MIT2 3config DRM_DISPLAY_DP_AUX_BUS4 tristate5 depends on DRM6 depends on OF || COMPILE_TEST7 8config DRM_DISPLAY_HELPER9 tristate10 depends on DRM11 help12 DRM helpers for display adapters.13 14if DRM_DISPLAY_HELPER15 16config DRM_BRIDGE_CONNECTOR17 bool18 select DRM_DISPLAY_HDMI_STATE_HELPER19 help20 DRM connector implementation terminating DRM bridge chains.21 22config DRM_DISPLAY_DP_AUX_CEC23 bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"24 select DRM_DISPLAY_DP_HELPER25 select CEC_CORE26 help27 Choose this option if you want to enable HDMI CEC support for28 DisplayPort/USB-C to HDMI adapters.29 30 Note: not all adapters support this feature, and even for those31 that do support this they often do not hook up the CEC pin.32 33config DRM_DISPLAY_DP_AUX_CHARDEV34 bool "DRM DP AUX Interface"35 select DRM_DISPLAY_DP_HELPER36 help37 Choose this option to enable a /dev/drm_dp_auxN node that allows to38 read and write values to arbitrary DPCD registers on the DP aux39 channel.40 41config DRM_DISPLAY_DP_HELPER42 bool43 help44 DRM display helpers for DisplayPort.45 46config DRM_DISPLAY_DP_TUNNEL47 bool48 select DRM_DISPLAY_DP_HELPER49 help50 Enable support for DisplayPort tunnels. This allows drivers to use51 DP tunnel features like the Bandwidth Allocation mode to maximize the52 BW utilization for display streams on Thunderbolt links.53 54config DRM_DISPLAY_DP_TUNNEL_STATE_DEBUG55 bool "Enable debugging the DP tunnel state"56 depends on REF_TRACKER57 depends on DRM_DISPLAY_DP_TUNNEL58 depends on DEBUG_KERNEL59 depends on EXPERT60 help61 Enables debugging the DP tunnel manager's state, including the62 consistency of all managed tunnels' reference counting and the state of63 streams contained in tunnels.64 65 If in doubt, say "N".66 67config DRM_DISPLAY_HDCP_HELPER68 bool69 help70 DRM display helpers for HDCP.71 72config DRM_DISPLAY_HDMI_HELPER73 bool74 help75 DRM display helpers for HDMI.76 77config DRM_DISPLAY_HDMI_STATE_HELPER78 bool79 select DRM_DISPLAY_HDMI_HELPER80 help81 DRM KMS state helpers for HDMI.82 83endif # DRM_DISPLAY_HELPER84