diff mbox series

[05/30] drm/amd/display: Set DPIA link endpoint type

Message ID 20211122183418.73674-6-tjaalton@ubuntu.com
State New
Headers show
Series drm/amdgpu: Add USB4 support for DP tunneling | expand

Commit Message

Timo Aaltonen Nov. 22, 2021, 6:33 p.m. UTC 
From: Jimmy Kizito <Jimmy.Kizito@amd.com>

BugLink: https://bugs.launchpad.net/bugs/1951868

[why & how]
We will need a way to distinguish physically connected
links and DPIA endpoints.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 698d0a6fb7bb9583b02c0ab50cc0dd33d39c9226)
Signed-off-by: Timo Aaltonen <timo.aaltonen@canonical.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link.c | 2 ++
 drivers/gpu/drm/amd/display/dc/dc_types.h     | 1 +
 2 files changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 011e4fed9bd1..0c41b997359b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1682,6 +1682,8 @@  static bool dc_link_construct_dpia(struct dc_link *link,
 		  init_params->connector_index,
 		  link->connector_signal);
 
+	link->ep_type = DISPLAY_ENDPOINT_USB4_DPIA;
+
 	/* TODO: Initialize link : funcs->link_init */
 
 	ddc_service_init_data.ctx = link->ctx;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index c1532930169b..731e4deec43e 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -934,6 +934,7 @@  enum dc_psr_version {
 /* Possible values of display_endpoint_id.endpoint */
 enum display_endpoint_type {
 	DISPLAY_ENDPOINT_PHY = 0, /* Physical connector. */
+	DISPLAY_ENDPOINT_USB4_DPIA, /* USB4 DisplayPort tunnel. */
 	DISPLAY_ENDPOINT_UNKNOWN = -1
 };