[SRU][R][PATCH 18/22] drm/i915/dp: Print debug message for a sink connected off request

Werner Sembach wse at tuxedocomputers.com
Tue Aug 4 22:18:44 UTC 2026


From: Imre Deak <imre.deak at intel.com>

So far the CONNECTED_OFF_ENTRY_REQUESTED request was accepted only
implicitly, by acking all the IRQs raised by the sink. Make this
explicit by printing a debug message.

Reviewed-by: Luca Coelho <luciano.coelho at intel.com>
Signed-off-by: Imre Deak <imre.deak at intel.com>
Link: https://patch.msgid.link/20260225164618.1261368-17-imre.deak@intel.com
Signed-off-by: Werner Sembach <wse at tuxedocomputers.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 76546b93ff988..7888abb5c9feb 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5756,6 +5756,8 @@ static void intel_dp_handle_device_service_irq(struct intel_dp *intel_dp, u8 irq
 static bool intel_dp_handle_link_service_irq(struct intel_dp *intel_dp, u8 irq_mask)
 {
 	struct intel_display *display = to_intel_display(intel_dp);
+	struct intel_connector *connector = intel_dp->attached_connector;
+	struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
 	bool reprobe_needed = false;
 
 	if (irq_mask & RX_CAP_CHANGED)
@@ -5764,6 +5766,12 @@ static bool intel_dp_handle_link_service_irq(struct intel_dp *intel_dp, u8 irq_m
 	if (irq_mask & HDMI_LINK_STATUS_CHANGED)
 		intel_dp_handle_hdmi_link_status_change(intel_dp);
 
+	if (irq_mask & CONNECTED_OFF_ENTRY_REQUESTED)
+		drm_dbg_kms(display->drm,
+			    "[CONNECTOR:%d:%s][ENCODER:%d:%s] Allowing connected off request\n",
+			    connector->base.base.id, connector->base.name,
+			    encoder->base.base.id, encoder->base.name);
+
 	if ((irq_mask & DP_TUNNELING_IRQ) &&
 	    drm_dp_tunnel_handle_irq(display->dp_tunnel_mgr,
 				     &intel_dp->aux))
-- 
2.43.0




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