1*1e0f6642SThomas Zimmermann# SPDX-License-Identifier: MIT 2*1e0f6642SThomas Zimmermann 3*1e0f6642SThomas Zimmermannconfig DRM_DP_AUX_BUS 4*1e0f6642SThomas Zimmermann tristate 5*1e0f6642SThomas Zimmermann depends on DRM 6*1e0f6642SThomas Zimmermann depends on OF 7*1e0f6642SThomas Zimmermann 8*1e0f6642SThomas Zimmermannconfig DRM_DISPLAY_HELPER 9*1e0f6642SThomas Zimmermann tristate 10*1e0f6642SThomas Zimmermann depends on DRM 11*1e0f6642SThomas Zimmermann help 12*1e0f6642SThomas Zimmermann DRM helpers for display adapters. 13*1e0f6642SThomas Zimmermann 14*1e0f6642SThomas Zimmermannconfig DRM_DISPLAY_DP_HELPER 15*1e0f6642SThomas Zimmermann bool 16*1e0f6642SThomas Zimmermann depends on DRM_DISPLAY_HELPER 17*1e0f6642SThomas Zimmermann help 18*1e0f6642SThomas Zimmermann DRM display helpers for DisplayPort. 19*1e0f6642SThomas Zimmermann 20*1e0f6642SThomas Zimmermannconfig DRM_DP_AUX_CHARDEV 21*1e0f6642SThomas Zimmermann bool "DRM DP AUX Interface" 22*1e0f6642SThomas Zimmermann depends on DRM 23*1e0f6642SThomas Zimmermann help 24*1e0f6642SThomas Zimmermann Choose this option to enable a /dev/drm_dp_auxN node that allows to 25*1e0f6642SThomas Zimmermann read and write values to arbitrary DPCD registers on the DP aux 26*1e0f6642SThomas Zimmermann channel. 27*1e0f6642SThomas Zimmermann 28*1e0f6642SThomas Zimmermannconfig DRM_DP_CEC 29*1e0f6642SThomas Zimmermann bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support" 30*1e0f6642SThomas Zimmermann depends on DRM 31*1e0f6642SThomas Zimmermann select CEC_CORE 32*1e0f6642SThomas Zimmermann help 33*1e0f6642SThomas Zimmermann Choose this option if you want to enable HDMI CEC support for 34*1e0f6642SThomas Zimmermann DisplayPort/USB-C to HDMI adapters. 35*1e0f6642SThomas Zimmermann 36*1e0f6642SThomas Zimmermann Note: not all adapters support this feature, and even for those 37*1e0f6642SThomas Zimmermann that do support this they often do not hook up the CEC pin. 38