linux-kernel - [PATCH RFC/RFT v2 3/8] drm/display: hdmi-state-helper: handle CEC physicall address

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Message-Id: <20250110-drm-hdmi-connector-cec-v2-3-9067c8f34663@linaro.org>
Date: Fri, 10 Jan 2025 13:28:46 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
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
Subject: [PATCH RFC/RFT v2 3/8] drm/display: hdmi-state-helper: handle CEC
 physicall address

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

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 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 cfc2aaee1da08a103cbf933c891d5cc31b0886a8..b060cc265221049f5509e852903bd0a4ca651e80 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>
 
@@ -786,8 +787,9 @@ 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_connector_hdmi_cec_phys_addr_invalidate(connector);
 	}
 
 	if (connector->hdmi.funcs->read_edid)
@@ -800,8 +802,9 @@ 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_hdmi_cec_phys_addr_set(connector);
 	}
 }
 

-- 
2.39.5