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-rw-r--r--drivers/gpu/drm/display/Kconfig108
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig
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+++ b/drivers/gpu/drm/display/Kconfig
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+# SPDX-License-Identifier: MIT
+
+config DRM_DISPLAY_DP_AUX_BUS
+ tristate
+ depends on DRM
+ depends on OF
+
+config DRM_DISPLAY_HELPER
+ tristate
+ depends on DRM
+ select CEC_CORE if DRM_DISPLAY_DP_AUX_CEC || DRM_DISPLAY_HDMI_CEC_HELPER || CEC_NOTIFIER
+ help
+ DRM helpers for display adapters.
+
+if DRM_DISPLAY_HELPER
+
+config DRM_BRIDGE_CONNECTOR
+ bool
+ select DRM_DISPLAY_HDMI_AUDIO_HELPER
+ select DRM_DISPLAY_HDMI_CEC_HELPER
+ select DRM_DISPLAY_HDMI_STATE_HELPER
+ help
+ DRM connector implementation terminating DRM bridge chains.
+
+config DRM_DISPLAY_DP_AUX_CEC
+ bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
+ select DRM_DISPLAY_DP_HELPER
+ help
+ Choose this option if you want to enable HDMI CEC support for
+ DisplayPort/USB-C to HDMI adapters.
+
+ Note: not all adapters support this feature, and even for those
+ that do support this they often do not hook up the CEC pin.
+
+config DRM_DISPLAY_DP_AUX_CHARDEV
+ bool "DRM DP AUX Interface"
+ select DRM_DISPLAY_DP_HELPER
+ help
+ Choose this option to enable a /dev/drm_dp_auxN node that allows to
+ read and write values to arbitrary DPCD registers on the DP aux
+ channel.
+
+config DRM_DISPLAY_DP_HELPER
+ bool
+ help
+ DRM display helpers for DisplayPort.
+
+config DRM_DISPLAY_DP_TUNNEL
+ bool
+ select DRM_DISPLAY_DP_HELPER
+ help
+ Enable support for DisplayPort tunnels. This allows drivers to use
+ DP tunnel features like the Bandwidth Allocation mode to maximize the
+ BW utilization for display streams on Thunderbolt links.
+
+config DRM_DISPLAY_DP_TUNNEL_STATE_DEBUG
+ bool "Enable debugging the DP tunnel state"
+ depends on REF_TRACKER
+ depends on DRM_DISPLAY_DP_TUNNEL
+ depends on DEBUG_KERNEL
+ depends on EXPERT
+ help
+ Enables debugging the DP tunnel manager's state, including the
+ consistency of all managed tunnels' reference counting and the state of
+ streams contained in tunnels.
+
+ If in doubt, say "N".
+
+config DRM_DISPLAY_DSC_HELPER
+ bool
+ depends on DRM_DISPLAY_HELPER
+ help
+ DRM display helpers for VESA DSC (used by DSI and DisplayPort).
+
+config DRM_DISPLAY_HDCP_HELPER
+ bool
+ help
+ DRM display helpers for HDCP.
+
+config DRM_DISPLAY_HDMI_AUDIO_HELPER
+ bool
+ help
+ DRM display helpers for HDMI Audio functionality (generic HDMI Codec
+ implementation).
+
+config DRM_DISPLAY_HDMI_CEC_HELPER
+ bool
+ help
+ DRM display helpers for HDMI CEC implementation.
+
+config DRM_DISPLAY_HDMI_CEC_NOTIFIER_HELPER
+ def_bool CEC_NOTIFIER
+ help
+ DRM display helpers for HDMI CEC notifiers implementation.
+
+config DRM_DISPLAY_HDMI_HELPER
+ bool
+ help
+ DRM display helpers for HDMI.
+
+config DRM_DISPLAY_HDMI_STATE_HELPER
+ bool
+ select DRM_DISPLAY_HDMI_AUDIO_HELPER
+ select DRM_DISPLAY_HDMI_HELPER
+ help
+ DRM KMS state helpers for HDMI.
+
+endif # DRM_DISPLAY_HELPER