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-rw-r--r--drivers/gpu/drm/display/Kconfig51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/gpu/drm/display/Kconfig b/drivers/gpu/drm/display/Kconfig
new file mode 100644
index 000000000..09712b88a
--- /dev/null
+++ b/drivers/gpu/drm/display/Kconfig
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: MIT
+
+config DRM_DP_AUX_BUS
+ tristate
+ depends on DRM
+ depends on OF || COMPILE_TEST
+
+config DRM_DISPLAY_HELPER
+ tristate
+ depends on DRM
+ help
+ DRM helpers for display adapters.
+
+config DRM_DISPLAY_DP_HELPER
+ bool
+ depends on DRM_DISPLAY_HELPER
+ help
+ DRM display helpers for DisplayPort.
+
+config DRM_DISPLAY_HDCP_HELPER
+ bool
+ depends on DRM_DISPLAY_HELPER
+ help
+ DRM display helpers for HDCP.
+
+config DRM_DISPLAY_HDMI_HELPER
+ bool
+ depends on DRM_DISPLAY_HELPER
+ help
+ DRM display helpers for HDMI.
+
+config DRM_DP_AUX_CHARDEV
+ bool "DRM DP AUX Interface"
+ depends on DRM && DRM_DISPLAY_HELPER
+ 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_DP_CEC
+ bool "Enable DisplayPort CEC-Tunneling-over-AUX HDMI support"
+ depends on DRM && DRM_DISPLAY_HELPER
+ select DRM_DISPLAY_DP_HELPER
+ select CEC_CORE
+ 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.