From: Wayne Lin <Wayne.Lin@amd.com>
To: <amd-gfx@lists.freedesktop.org>
Cc: <alexander.deucher@amd.com>, <Harry.Wentland@amd.com>,
<nicholas.kazlauskas@amd.com>, <Rodrigo.Siqueira@amd.com>,
<wayne.lin@amd.com>, <stylon.wang@amd.com>, <jude.shih@amd.com>,
<jimmy.kizito@amd.com>, <meenakshikumar.somasundaram@amd.com>,
Jimmy Kizito <Jimmy.Kizito@amd.com>, Jun Lei <Jun.Lei@amd.com>,
Wayne Lin <Wayne.Lin@amd.com>
Subject: [PATCH v2 04/23] drm/amd/display: Support USB4 dynamic link encoder selection.
Date: Tue, 5 Oct 2021 15:51:46 +0800 [thread overview]
Message-ID: <20211005075205.3467938-5-Wayne.Lin@amd.com> (raw)
In-Reply-To: <20211005075205.3467938-1-Wayne.Lin@amd.com>
From: Jimmy Kizito <Jimmy.Kizito@amd.com>
[why & how]
Add codes for commit "f42ef862fb1f drm/amd/display: Add dynamic
link encoder selection" to support USB4 DP tunneling feature.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.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 --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 20b4819b73e4..66182b8c217b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1732,6 +1732,8 @@ 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 3c109c805447..15c353c389d8 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -955,6 +955,7 @@ 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
};
--
2.25.1
next prev parent reply other threads:[~2021-10-05 7:53 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-05 7:51 [PATCH v2 00/23] USB4 DP tunneling Wayne Lin
2021-10-05 7:51 ` [PATCH v2 01/23] drm/amd/display: Update link encoder object creation Wayne Lin
2021-10-05 14:15 ` Harry Wentland
2021-10-05 15:13 ` Harry Wentland
2021-10-05 7:51 ` [PATCH v2 02/23] drm/amd/display: USB4 DPIA enumeration and AUX Tunneling Wayne Lin
2021-10-05 7:51 ` [PATCH v2 03/23] drm/amd/display: Support for DMUB HPD and HPD RX interrupt handling Wayne Lin
2021-10-05 7:51 ` Wayne Lin [this message]
2021-10-05 15:46 ` [PATCH v2 04/23] drm/amd/display: Support USB4 dynamic link encoder selection Harry Wentland
2021-10-05 7:51 ` [PATCH v2 05/23] drm/amd/display: Support USB4 for display endpoint control path Wayne Lin
2021-10-05 15:50 ` Harry Wentland
2021-10-05 7:51 ` [PATCH v2 06/23] drm/amd/display: Support DP tunneling when DPRX detection Wayne Lin
2021-10-05 15:57 ` Harry Wentland
2021-10-05 7:51 ` [PATCH v2 07/23] drm/amd/display: Update training parameters for DPIA links Wayne Lin
2021-10-05 15:58 ` Harry Wentland
2021-10-05 7:51 ` [PATCH v2 08/23] drm/amd/display: Support USB4 when DP link training Wayne Lin
2021-10-05 15:59 ` Harry Wentland
2021-10-05 7:51 ` [PATCH v2 09/23] drm/amd/display: Implement DPIA training loop Wayne Lin
2021-10-05 7:51 ` [PATCH v2 10/23] drm/amd/display: Implement DPIA link configuration Wayne Lin
2021-10-05 7:51 ` [PATCH v2 11/23] drm/amd/display: Implement DPIA clock recovery phase Wayne Lin
2021-10-07 10:00 ` Mike Lothian
2021-10-08 8:32 ` Lin, Wayne
2021-10-05 7:51 ` [PATCH v2 12/23] drm/amd/display: Implement DPIA equalisation phase Wayne Lin
2021-10-05 7:51 ` [PATCH v2 13/23] drm/amd/display: Implement end of training for hop in DPIA display path Wayne Lin
2021-10-05 7:51 ` [PATCH v2 14/23] drm/amd/display: Support for SET_CONFIG processing with DMUB Wayne Lin
2021-10-05 7:51 ` [PATCH v2 15/23] drm/amd/display: Read USB4 DP tunneling data from DPCD Wayne Lin
2021-10-05 7:51 ` [PATCH v2 16/23] drm/amd/display: Add dpia debug options Wayne Lin
2021-10-05 7:51 ` [PATCH v2 17/23] drm/amd/display: Support for SET_CONFIG processing with DMUB Wayne Lin
2021-10-05 7:52 ` [PATCH v2 18/23] drm/amd/display: Fix DIG_HPD_SELECT for USB4 display endpoints Wayne Lin
2021-10-05 7:52 ` [PATCH v2 19/23] drm/amd/display: Add debug flags for USB4 DP link training Wayne Lin
2021-10-05 17:10 ` Harry Wentland
2021-10-06 10:14 ` Lin, Wayne
2021-10-06 14:02 ` Harry Wentland
2021-10-07 9:22 ` Lin, Wayne
2021-10-05 7:52 ` [PATCH v2 20/23] drm/amd/display: Fix for access for ddc pin and aux engine Wayne Lin
2021-10-05 7:52 ` [PATCH v2 21/23] drm/amd/display: Deadlock/HPD Status/Crash Bug Fix Wayne Lin
2021-10-05 7:52 ` [PATCH v2 22/23] drm/amd/display: Fix USB4 Aux via DMUB terminate unexpectedly Wayne Lin
2021-10-05 7:52 ` [PATCH v2 23/23] drm/amd/display: USB4 bring up set correct address Wayne Lin
2021-10-05 17:13 ` [PATCH v2 00/23] USB4 DP tunneling Harry Wentland
2021-10-06 10:14 ` Lin, Wayne
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