From: gareth.yu@intel.com
To: intel-gfx@lists.freedesktop.org
Cc: Gareth Yu <gareth.yu@intel.com>
Subject: [PATCH] drm/i915/display: Fixed HDMI can't show up behind a USB-C dock station
Date: Mon, 22 Apr 2024 17:44:51 +0800 [thread overview]
Message-ID: <20240422094451.1566990-1-gareth.yu@intel.com> (raw)
In-Reply-To: <20240422063300.1459712-1-gareth.yu@intel.com>
From: Gareth Yu <gareth.yu@intel.com>
Re-train the main link once HPD happens without link status
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/10902
Cc : Tejas Upadhyay <tejaskumarx.surendrakumar.upadhyay@intel.com>
Cc : Matt Roper <matthew.d.roper@intel.com>
Cc : Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Gareth Yu <gareth.yu@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index e05e25cd4a94..52ab549e6d08 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5849,8 +5849,13 @@ intel_dp_detect(struct drm_connector *connector,
/* Can't disconnect eDP */
if (intel_dp_is_edp(intel_dp))
status = edp_detect(intel_dp);
- else if (intel_digital_port_connected(encoder))
+ else if (intel_digital_port_connected(encoder)) {
status = intel_dp_detect_dpcd(intel_dp);
+ if (status == connector_status_connected && intel_dp->is_mst &&
+ !intel_dp_mst_link_status(intel_dp))
+ if (intel_dp_retrain_link(encoder, ctx))
+ status = connector_status_disconnected;
+ }
else
status = connector_status_disconnected;
--
2.25.1
next prev parent reply other threads:[~2024-04-22 9:36 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-22 6:33 [PATCH] drm/i915/display: Fixed the main link lost in MST gareth.yu
2024-04-22 7:01 ` ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2024-04-22 7:09 ` ✓ Fi.CI.BAT: success " Patchwork
2024-04-22 7:55 ` [PATCH] " gareth.yu
2024-04-22 8:27 ` Jani Nikula
2024-04-22 9:44 ` gareth.yu [this message]
2024-04-22 11:26 ` [PATCH] drm/i915/display: Fixed HDMI can't show up behind a USB-C dock station Jani Nikula
2024-04-22 11:33 ` Jani Nikula
2024-04-22 10:35 ` ✓ Fi.CI.BAT: success for drm/i915/display: Fixed the main link lost in MST (rev3) Patchwork
2024-04-25 3:34 ` [PATCH] drm/i915/display: Fixed the main link lost in MST gareth.yu
2024-04-25 11:30 ` Jani Nikula
2024-04-26 7:56 ` Yu, Gareth
2024-04-25 4:14 ` ✓ Fi.CI.BAT: success for drm/i915/display: Fixed the main link lost in MST (rev4) Patchwork
2024-04-25 14:23 ` ✗ Fi.CI.IGT: failure " Patchwork
2024-04-26 3:11 ` [PATCH] drm/i915/display: Fixed the main link lost in MST gareth.yu
2024-04-26 4:10 ` ✗ Fi.CI.SPARSE: warning for drm/i915/display: Fixed the main link lost in MST (rev5) Patchwork
2024-04-26 4:17 ` ✗ Fi.CI.BAT: failure " Patchwork
2024-04-30 7:31 ` [PATCH] drm/i915/display: Fixed the main link lost in MST gareth.yu
2024-04-30 8:11 ` ✓ Fi.CI.BAT: success for drm/i915/display: Fixed the main link lost in MST (rev6) Patchwork
2024-04-30 8:13 ` ✗ Fi.CI.SPARSE: warning " Patchwork
2024-04-30 10:31 ` ✓ Fi.CI.IGT: success " Patchwork
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