1# SPDX-License-Identifier: MIT 2 3config DRM_DISPLAY_DP_AUX_BUS 4 tristate 5 depends on DRM 6 depends on OF || COMPILE_TEST 7 8config DRM_DISPLAY_HELPER 9 tristate 10 depends on DRM 11 help 12 DRM helpers for display adapters. 13 14if DRM_DISPLAY_HELPER 15 16config DRM_BRIDGE_CONNECTOR 17 bool 18 help 19 DRM connector implementation terminating DRM bridge chains. 20 21config DRM_DISPLAY_DP_AUX_CEC 22 bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support" 23 select DRM_DISPLAY_DP_HELPER 24 select CEC_CORE 25 help 26 Choose this option if you want to enable HDMI CEC support for 27 DisplayPort/USB-C to HDMI adapters. 28 29 Note: not all adapters support this feature, and even for those 30 that do support this they often do not hook up the CEC pin. 31 32config DRM_DISPLAY_DP_AUX_CHARDEV 33 bool "DRM DP AUX Interface" 34 select DRM_DISPLAY_DP_HELPER 35 help 36 Choose this option to enable a /dev/drm_dp_auxN node that allows to 37 read and write values to arbitrary DPCD registers on the DP aux 38 channel. 39 40config DRM_DISPLAY_DP_HELPER 41 bool 42 help 43 DRM display helpers for DisplayPort. 44 45config DRM_DISPLAY_DP_TUNNEL 46 bool 47 select DRM_DISPLAY_DP_HELPER 48 help 49 Enable support for DisplayPort tunnels. This allows drivers to use 50 DP tunnel features like the Bandwidth Allocation mode to maximize the 51 BW utilization for display streams on Thunderbolt links. 52 53config DRM_DISPLAY_DP_TUNNEL_STATE_DEBUG 54 bool "Enable debugging the DP tunnel state" 55 depends on REF_TRACKER 56 depends on DRM_DISPLAY_DP_TUNNEL 57 depends on DEBUG_KERNEL 58 depends on EXPERT 59 help 60 Enables debugging the DP tunnel manager's state, including the 61 consistency of all managed tunnels' reference counting and the state of 62 streams contained in tunnels. 63 64 If in doubt, say "N". 65 66config DRM_DISPLAY_HDCP_HELPER 67 bool 68 help 69 DRM display helpers for HDCP. 70 71config DRM_DISPLAY_HDMI_HELPER 72 bool 73 help 74 DRM display helpers for HDMI. 75 76config DRM_DISPLAY_HDMI_STATE_HELPER 77 bool 78 select DRM_DISPLAY_HDMI_HELPER 79 help 80 DRM KMS state helpers for HDMI. 81 82endif # DRM_DISPLAY_HELPER 83