11e0f6642SThomas Zimmermann# SPDX-License-Identifier: MIT 21e0f6642SThomas Zimmermann 31e0f6642SThomas Zimmermannconfig DRM_DP_AUX_BUS 41e0f6642SThomas Zimmermann tristate 51e0f6642SThomas Zimmermann depends on DRM 61e0f6642SThomas Zimmermann depends on OF 71e0f6642SThomas Zimmermann 81e0f6642SThomas Zimmermannconfig DRM_DISPLAY_HELPER 91e0f6642SThomas Zimmermann tristate 101e0f6642SThomas Zimmermann depends on DRM 111e0f6642SThomas Zimmermann help 121e0f6642SThomas Zimmermann DRM helpers for display adapters. 131e0f6642SThomas Zimmermann 141e0f6642SThomas Zimmermannconfig DRM_DISPLAY_DP_HELPER 151e0f6642SThomas Zimmermann bool 161e0f6642SThomas Zimmermann depends on DRM_DISPLAY_HELPER 171e0f6642SThomas Zimmermann help 181e0f6642SThomas Zimmermann DRM display helpers for DisplayPort. 191e0f6642SThomas Zimmermann 20*6a99099fSThomas Zimmermannconfig DRM_DISPLAY_HDCP_HELPER 21*6a99099fSThomas Zimmermann bool 22*6a99099fSThomas Zimmermann depends on DRM_DISPLAY_HELPER 23*6a99099fSThomas Zimmermann help 24*6a99099fSThomas Zimmermann DRM display helpers for HDCP. 25*6a99099fSThomas Zimmermann 261e0f6642SThomas Zimmermannconfig DRM_DP_AUX_CHARDEV 271e0f6642SThomas Zimmermann bool "DRM DP AUX Interface" 281e0f6642SThomas Zimmermann depends on DRM 291e0f6642SThomas Zimmermann help 301e0f6642SThomas Zimmermann Choose this option to enable a /dev/drm_dp_auxN node that allows to 311e0f6642SThomas Zimmermann read and write values to arbitrary DPCD registers on the DP aux 321e0f6642SThomas Zimmermann channel. 331e0f6642SThomas Zimmermann 341e0f6642SThomas Zimmermannconfig DRM_DP_CEC 351e0f6642SThomas Zimmermann bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support" 361e0f6642SThomas Zimmermann depends on DRM 371e0f6642SThomas Zimmermann select CEC_CORE 381e0f6642SThomas Zimmermann help 391e0f6642SThomas Zimmermann Choose this option if you want to enable HDMI CEC support for 401e0f6642SThomas Zimmermann DisplayPort/USB-C to HDMI adapters. 411e0f6642SThomas Zimmermann 421e0f6642SThomas Zimmermann Note: not all adapters support this feature, and even for those 431e0f6642SThomas Zimmermann that do support this they often do not hook up the CEC pin. 44