linux-kernel - [PATCH v5 07/11] drm/display: hdmi-state-helper: handle CEC physical address

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Message-Id: <20250407-drm-hdmi-connector-cec-v5-7-04809b10d206@oss.qualcomm.com>
Date: Mon, 07 Apr 2025 18:11:04 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Maíra Canal <mcanal@...lia.com>,
        Raspberry Pi Kernel Maintenance <kernel-list@...pberrypi.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Dmitry Baryshkov <lumag@...nel.org>
Subject: [PATCH v5 07/11] drm/display: hdmi-state-helper: handle CEC
 physical address

Call HDMI CEC helpers in order to update physical address of the
adapter.

Reviewed-by: Maxime Ripard <mripard@...nel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
---
 drivers/gpu/drm/display/drm_hdmi_state_helper.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/display/drm_hdmi_state_helper.c b/drivers/gpu/drm/display/drm_hdmi_state_helper.c
index d9d9948b29e9d5ef9bc9cc9108b3ace4aca2e3ae..bae7aa624f7db61cc7d5ff7a86a413938963543f 100644
--- a/drivers/gpu/drm/display/drm_hdmi_state_helper.c
+++ b/drivers/gpu/drm/display/drm_hdmi_state_helper.c
@@ -6,6 +6,7 @@
 #include <drm/drm_print.h>
 
 #include <drm/display/drm_hdmi_audio_helper.h>
+#include <drm/display/drm_hdmi_cec_helper.h>
 #include <drm/display/drm_hdmi_helper.h>
 #include <drm/display/drm_hdmi_state_helper.h>
 
@@ -1081,9 +1082,10 @@ drm_atomic_helper_connector_hdmi_update(struct drm_connector *connector,
 	const struct drm_edid *drm_edid;
 
 	if (status == connector_status_disconnected) {
-		// TODO: also handle CEC and scramber, HDMI sink disconnected.
+		// TODO: also handle scramber, HDMI sink disconnected.
 		drm_connector_hdmi_audio_plugged_notify(connector, false);
 		drm_edid_connector_update(connector, NULL);
+		drm_connector_cec_phys_addr_invalidate(connector);
 		return;
 	}
 
@@ -1097,8 +1099,9 @@ drm_atomic_helper_connector_hdmi_update(struct drm_connector *connector,
 	drm_edid_free(drm_edid);
 
 	if (status == connector_status_connected) {
-		// TODO: also handle CEC and scramber, HDMI sink is now connected.
+		// TODO: also handle scramber, HDMI sink is now connected.
 		drm_connector_hdmi_audio_plugged_notify(connector, true);
+		drm_connector_cec_phys_addr_set(connector);
 	}
 }
 

-- 
2.39.5