tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: MIT
2
3config DRM_DISPLAY_DP_AUX_BUS
4 tristate
5 depends on DRM
6 depends on OF
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 select DRM_DISPLAY_HDMI_AUDIO_HELPER
19 select DRM_DISPLAY_HDMI_STATE_HELPER
20 help
21 DRM connector implementation terminating DRM bridge chains.
22
23config DRM_DISPLAY_DP_AUX_CEC
24 bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
25 select DRM_DISPLAY_DP_HELPER
26 select CEC_CORE
27 help
28 Choose this option if you want to enable HDMI CEC support for
29 DisplayPort/USB-C to HDMI adapters.
30
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.
33
34config DRM_DISPLAY_DP_AUX_CHARDEV
35 bool "DRM DP AUX Interface"
36 select DRM_DISPLAY_DP_HELPER
37 help
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
40 channel.
41
42config DRM_DISPLAY_DP_HELPER
43 bool
44 help
45 DRM display helpers for DisplayPort.
46
47config DRM_DISPLAY_DP_TUNNEL
48 bool
49 select DRM_DISPLAY_DP_HELPER
50 help
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.
54
55config 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
60 depends on EXPERT
61 help
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.
65
66 If in doubt, say "N".
67
68config DRM_DISPLAY_DSC_HELPER
69 bool
70 depends on DRM_DISPLAY_HELPER
71 help
72 DRM display helpers for VESA DSC (used by DSI and DisplayPort).
73
74config DRM_DISPLAY_HDCP_HELPER
75 bool
76 help
77 DRM display helpers for HDCP.
78
79config DRM_DISPLAY_HDMI_AUDIO_HELPER
80 bool
81 help
82 DRM display helpers for HDMI Audio functionality (generic HDMI Codec
83 implementation).
84
85config DRM_DISPLAY_HDMI_HELPER
86 bool
87 help
88 DRM display helpers for HDMI.
89
90config DRM_DISPLAY_HDMI_STATE_HELPER
91 bool
92 select DRM_DISPLAY_HDMI_AUDIO_HELPER
93 select DRM_DISPLAY_HDMI_HELPER
94 help
95 DRM KMS state helpers for HDMI.
96
97endif # DRM_DISPLAY_HELPER