1 # SPDX-License-Identifier: MIT
3 config DRM_DISPLAY_DP_AUX_BUS
8 config DRM_DISPLAY_HELPER
12 DRM helpers for display adapters.
16 config DRM_BRIDGE_CONNECTOR
18 select DRM_DISPLAY_HDMI_AUDIO_HELPER
19 select DRM_DISPLAY_HDMI_STATE_HELPER
21 DRM connector implementation terminating DRM bridge chains.
23 config DRM_DISPLAY_DP_AUX_CEC
24 bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
25 select DRM_DISPLAY_DP_HELPER
28 Choose this option if you want to enable HDMI CEC support for
29 DisplayPort/USB-C to HDMI adapters.
31 Note: not all adapters support this feature, and even for those
32 that do support this they often do not hook up the CEC pin.
34 config DRM_DISPLAY_DP_AUX_CHARDEV
35 bool "DRM DP AUX Interface"
36 select DRM_DISPLAY_DP_HELPER
38 Choose this option to enable a /dev/drm_dp_auxN node that allows to
39 read and write values to arbitrary DPCD registers on the DP aux
42 config DRM_DISPLAY_DP_HELPER
45 DRM display helpers for DisplayPort.
47 config DRM_DISPLAY_DP_TUNNEL
49 select DRM_DISPLAY_DP_HELPER
51 Enable support for DisplayPort tunnels. This allows drivers to use
52 DP tunnel features like the Bandwidth Allocation mode to maximize the
53 BW utilization for display streams on Thunderbolt links.
55 config DRM_DISPLAY_DP_TUNNEL_STATE_DEBUG
56 bool "Enable debugging the DP tunnel state"
57 depends on REF_TRACKER
58 depends on DRM_DISPLAY_DP_TUNNEL
59 depends on DEBUG_KERNEL
62 Enables debugging the DP tunnel manager's state, including the
63 consistency of all managed tunnels' reference counting and the state of
64 streams contained in tunnels.
68 config DRM_DISPLAY_DSC_HELPER
70 depends on DRM_DISPLAY_HELPER
72 DRM display helpers for VESA DSC (used by DSI and DisplayPort).
74 config DRM_DISPLAY_HDCP_HELPER
77 DRM display helpers for HDCP.
79 config DRM_DISPLAY_HDMI_AUDIO_HELPER
82 DRM display helpers for HDMI Audio functionality (generic HDMI Codec
85 config DRM_DISPLAY_HDMI_HELPER
88 DRM display helpers for HDMI.
90 config DRM_DISPLAY_HDMI_STATE_HELPER
92 select DRM_DISPLAY_HDMI_AUDIO_HELPER
93 select DRM_DISPLAY_HDMI_HELPER
95 DRM KMS state helpers for HDMI.
97 endif # DRM_DISPLAY_HELPER